St James Wwtp, MN Climate: Temperature & Rain by Month
Temperature and precipitation from NOAA NCEI 1991–2020 normals →, plus PlainClimate's derived comfort score
30-year climate normals (1991-2020) from St James Wwtp's primary NOAA station, ST JAMES WWTP.
The climate verdict for St James Wwtp
Winter sets the terms in St James Wwtp, Minnesota. A pronounced 58.1°F seasonal swing and heating demand above twice the cooling total frame an annual average of 45°F. At 54/100 (moderate) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 31% of scores.
- 45°F
- annual average temperature (NOAA normal)
- 54/100
- comfort score, above 31% of station-mapped location scores
- 33.1"
- annual precipitation · 50" snow
- 160 days
- frost-free days per growing season
St James Wwtp: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00217326 · St James Wwtp, MN 45°F mean · 33.1" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-MID · SWING-WIDE · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 45°F
- RANK-COOL #1,372
- PHOTO-FINISH ≈ Wessington Spri…
- PRCP-MID 33.1"
- SWING-WIDE 58°F
- COMF-LOW 54/100
- LOAD-HEAT 7,788 HDD
- STN-1 USC00217326
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Wessington Springs, SD (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every MN station list.
- St James Wwtp (this station) 45°F
- Cold Sanborn, IA 45°F
- Hot Redwood Falls, MN 45°F
- Near Wessington Spri…, SD 45°F
- Near Wolf PT, MT 45°F
St James Wwtp sits in Minnesota, the #3 coldest U.S. state at 42.2°F statewide annual average - see all 50 coldest states ranked by NOAA normals
Climate Living Index · St James Wwtp
St James Wwtp: 39/100 · grade F
St James Wwtp publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for St James Wwtp, not an official NOAA rating. Rankings still use Comfort Score 54/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 33.1 in · 1.9 from 35 in | 92/100 · A |
| Normal heat + freeze calendar | 164 calendar days | 36/100 · F |
| Frost-free season | 160 days/year | 33/100 · F |
| Annual temperature balance | 45.4°F · 22.1° from 67.5°F | 21/100 · F |
| Snowfall burden | 50.3 inches/year | 21/100 · F |
St James Wwtp · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
St James Wwtp is a continental Köppen climate: Dfa
Coldest-month mean 14.3°F and warmest-month mean 72.4°F place this station in continental, no dry season, hot summer climates (Dfa). Class Dfa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: continental, specifically continental, no dry season, hot summer.
- Köppen code
- Dfa
- Group
- Continental
- Warmest month
- 72.4°F
- Coldest month
- 14.3°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where St James Wwtp sits across the climate record
Three NOAA fields for St James Wwtp's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Cooler than 80%
- Among 6,861 stations, St James Wwtp sits in the cooler third of annual means.
- Annual precipitation
- 44th percentile wetness
- Neither arid nor torrential versus 6,352 station totals.
- Seasonal temperature swing
- Wider than 96%
- Warmest-to-coldest month gap for St James Wwtp is large versus 6,861 complete station-years.
How St James Wwtp compares across U.S. station-mapped locations
St James Wwtp's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 31st percentile score exceeds 31% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). This entry sits in this band.
- 60–70: 1,236 station-mapped locations (20%). Above this entry.
- 70–80: 650 station-mapped locations (11%). Above this entry.
- 80–90: 921 station-mapped locations (15%). Above this entry.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
St James Wwtp's measured station temperature trend
MethodologyAcross 38 complete annual observations from 1965 to 2025, ST JAMES WWTP warmed at a fitted rate of 0.29°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- St James Wwtp primary station fitted change +0.29 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 24°F (-5°C) | 5°F (-15°C) | 14°F (-10°C) | 1.1" | 10.8" | 30.7 | 0.0 |
| February | 28°F (-2°C) | 10°F (-12°C) | 19°F (-7°C) | 0.8" | 11.0" | 26.9 | 0.0 |
| March | 40°F (5°C) | 22°F (-5°C) | 31°F (0°C) | 1.8" | 8.2" | 25.3 | 0.0 |
| April | 56°F (13°C) | 35°F (1°C) | 45°F (7°C) | 3.1" | 3.5" | 11.6 | 0.1 |
| May | 69°F (21°C) | 48°F (9°C) | 58°F (15°C) | 4.7" | 0.1" | 0.9 | 0.9 |
| June | 80°F (26°C) | 58°F (15°C) | 69°F (21°C) | 4.9" | 0.0" | 0.0 | 3.3 |
| July | 83°F (28°C) | 62°F (17°C) | 72°F (22°C) | 4.1" | 0.0" | 0.0 | 4.2 |
| August | 80°F (27°C) | 59°F (15°C) | 70°F (21°C) | 4.0" | 0.0" | 0.0 | 2.4 |
| September | 74°F (23°C) | 51°F (10°C) | 62°F (17°C) | 3.4" | 0.0" | 0.6 | 0.8 |
| October | 60°F (16°C) | 37°F (3°C) | 49°F (9°C) | 2.5" | 0.6" | 10.1 | 0.0 |
| November | 43°F (6°C) | 25°F (-4°C) | 34°F (1°C) | 1.6" | 4.9" | 23.0 | 0.0 |
| December | 29°F (-2°C) | 12°F (-11°C) | 21°F (-6°C) | 1.1" | 11.2" | 30.5 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 83°F around July 8, short of 90°F on every date, while 164 dates carry a normal low at or below freezing, the coldest 5°F near January 17.
The freezing stretch
The normal low stays at or below 32°F into April 9, then returns to freezing around October 29, covering 164 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
Where the wet dates fall
The likeliest wet date is May 27, when 42% of years recorded at least a hundredth of an inch. The driest is February 12 at 15%. Summed across the calendar, that is about 100 wet dates a year.
The widest day
September 30 carries the biggest normal gap between afternoon and dawn, 24°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for St James Wwtp.
Monthly Precipitation
Average monthly rainfall and snowfall
Snow: 10.8"
5.8 days with precipitation
Snow: 11.0"
3.9 days with precipitation
Snow: 8.2"
5.7 days with precipitation
Snow: 3.5"
10.3 days with precipitation
Snow: 0.1"
13.1 days with precipitation
12.1 days with precipitation
9.6 days with precipitation
9.5 days with precipitation
8.0 days with precipitation
Snow: 0.6"
8.4 days with precipitation
Snow: 4.9"
5.1 days with precipitation
Snow: 11.2"
7.2 days with precipitation
St James Wwtp runs a summer-peaked wet season
39% of St James Wwtp's yearly precipitation falls in June, July and August alone, against the 25% an evenly spread year would give those three months. The wettest month is June at 4.9", on a wide 58.1°F gap between its warmest and coldest month. Warm-season convection and, across the Southwest, the North American monsoon produce this shape: rain arrives in short heavy bursts during the hottest part of the year rather than as long cool-season soaking.
- Wettest three months: June, May, July, taking 41% of the annual total between them.
- Driest month: February at 0.8".
- Winter share: 9% falls in December, January and February.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. A summer-peaked label means the June-August share reaches 35%; it describes timing across an average year, not any single season, and says nothing about how heavy an individual storm can be.
How St James Wwtp's precipitation splits across the calendar
About 99 days a year record measurable precipitation here, carrying 33.1" between them, or roughly 0.34 inches on a typical wet day. That sits in the middle band: neither the many-light-days pattern of the Pacific Northwest and the Great Lakes, nor the few-heavy-events pattern of the Gulf and the desert Southwest.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year and say nothing about the heaviest single storm on record.
Winter brings real snow to St James Wwtp
St James Wwtp averages 50.3 inches of snowfall a year, with December the snowiest month on the normals, spread across roughly 23 days that record measurable snow. That is depth accumulating on the ground, which is why it can exceed the annual precipitation figure: precipitation counts the liquid the snow melts down to, and fresh snow is mostly air.
- Annual snowfall: 50.3 inches of depth.
- Days recording measurable snow: about 23 a year.
- At a rough ten-to-one melt ratio, snow accounts for on the order of 15% of the year's precipitation.
NOAA 1991-2020 normals. The ten-to-one ratio is a convention, not a measurement: real ratios vary with temperature, so treat the share as an order of magnitude rather than an exact split.
Frost Dates & Growing Season
First Fall Freeze
October 7
50% probability date
Last Spring Freeze
April 30
50% probability date
Growing Season
160 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,788
Higher = more heating needed
Cooling Degree Days
686
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside MN closest to St James Wwtp on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (45°F here).
- Alberton, MT 45°F · 0.0°F off
- Augusta, MT 45°F · 0.0°F off
- Beloit, WI 45°F · 0.0°F off
- Deadwood, SD 45°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (33.1" here), excluding temperature-peer places.
- Essexville, MI 33.1" · 0.0" off
- Anthony, KS 33.1" · 0.0" off
- Norwich, KS 33.1" · 0.0" off
- Shawano, WI 33.1" · 0.0" off
Snow and freeze rhythm
When cold and snow define St James Wwtp
heating led · moderate · high swing
Winter and seasonal range jointly define this record. St James Wwtp logs 7,788 heating degree days, more than twice its 686 cooling total, while the typical coldest-to-warmest-month gap reaches 58.1°F. The annual mean therefore compresses two materially different seasons.
St James Wwtp's frost-free season lasts about 160 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
-
1. St James Wwtp coldest normal
January
Averaging 14°F (-10°C), this month sits below freezing for the month as a whole, not merely overnight.
-
2. St James Wwtp typical freeze period
January through December
The station reports average freezing days from January through December.
-
3. St James Wwtp snow peak
December
St James Wwtp averages 50.3 inches of snow a year, with December the snowiest month on the normals.
Questions about St James Wwtp's climate
How much snow does St James Wwtp get? ▼
How cold does St James Wwtp get in winter? ▼
How much energy does heating and cooling require in St James Wwtp? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from St James Wwtp's primary station: ST JAMES WWTP (USC00217326). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. No exact Gazetteer row for St James Wwtp; facility counts that depend on place identity are therefore an upper bound, not a municipal census.
On this page every temperature, precipitation, and derived score for St James Wwtp comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.