Tully Lake, MA Climate: Temperature & Rain by Month
Explore NOAA NCEI's 1991–2020 climate normals → and a clearly labeled PlainClimate comfort calculation
30-year climate normals (1991-2020) from Tully Lake's primary NOAA station, TULLY LAKE.
The climate verdict for Tully Lake
Water is the standout signal in Tully Lake, Massachusetts: 47.5 inches of precipitation in a normal year. Against that wet profile, NOAA records an annual average of 49°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.
- 49°F
- annual average temperature (NOAA normal)
- 54/100
- comfort score, above 31% of station-mapped location scores
- 47.5"
- annual precipitation · 52" snow
- 175 days
- frost-free days per growing season
Tully Lake: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00198573 · Tully Lake, MA 49°F mean · 47.5" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-MID · SWING-WIDE · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 49°F
- RANK-COOL #2,470
- PHOTO-FINISH ≈ Crystal Lake
- PRCP-MID 47.5"
- SWING-WIDE 50°F
- COMF-LOW 54/100
- LOAD-HEAT 6,529 HDD
- STN-1 USC00198573
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Crystal Lake, IL (+ 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 MA station list.
- Tully Lake (this station) 49°F
- Cold Altona, IL 49°F
- Hot Lisle-morton Ar…, IL 49°F
- Near Crystal Lake, IL 49°F
- Near Scottsbluff, NE 49°F
Climate Living Index · Tully Lake
Tully Lake: 43/100 · grade D
Tully Lake publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Tully Lake, not an official NOAA rating. Rankings still use Comfort Score 54/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 47.5 in · 12.5 from 35 in | 56/100 · C |
| Normal heat + freeze calendar | 146 calendar days | 49/100 · D |
| Frost-free season | 175 days/year | 46/100 · D |
| Annual temperature balance | 49.1°F · 18.4° from 67.5°F | 36/100 · F |
| Snowfall burden | 52.2 inches/year | 20/100 · F |
Tully Lake · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Tully Lake is a continental Köppen climate: Dfa
Coldest-month mean 23.6°F and warmest-month mean 73.8°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
- 73.8°F
- Coldest month
- 23.6°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 Tully Lake sits across the climate record
Three NOAA fields for Tully Lake's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 36th percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- Top 26% wettest
- Tully Lake's annual total ranks in the wetter third of 6,352 measured normals.
- Seasonal temperature swing
- Wider than 81%
- Warmest-to-coldest month gap for Tully Lake is large versus 6,861 complete station-years.
How Tully Lake compares across U.S. station-mapped locations
Tully Lake'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
Tully Lake's measured station temperature trend
MethodologyAcross 53 complete annual observations from 1951 to 2025, TULLY LAKE warmed at a fitted rate of 0.17°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Tully Lake primary station fitted change +0.17 °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 | 33°F (1°C) | 14°F (-10°C) | 24°F (-5°C) | 3.6" | 14.3" | 29.3 | 0.0 |
| February | 37°F (3°C) | 15°F (-9°C) | 26°F (-3°C) | 2.9" | 12.5" | 26.9 | 0.0 |
| March | 45°F (7°C) | 24°F (-5°C) | 34°F (1°C) | 3.9" | 9.4" | 27.5 | 0.0 |
| April | 59°F (15°C) | 36°F (2°C) | 47°F (8°C) | 3.5" | 3.0" | 15.7 | 0.2 |
| May | 71°F (22°C) | 47°F (8°C) | 59°F (15°C) | 3.5" | 0.0" | 1.6 | 1.1 |
| June | 80°F (26°C) | 57°F (14°C) | 68°F (20°C) | 4.5" | 0.0" | 0.0 | 3.7 |
| July | 85°F (30°C) | 62°F (17°C) | 74°F (23°C) | 4.6" | 0.0" | 0.0 | 7.2 |
| August | 83°F (29°C) | 60°F (16°C) | 72°F (22°C) | 4.3" | 0.0" | 0.0 | 4.9 |
| September | 75°F (24°C) | 52°F (11°C) | 64°F (18°C) | 4.3" | 0.0" | 0.4 | 0.8 |
| October | 62°F (17°C) | 41°F (5°C) | 51°F (11°C) | 4.7" | 0.0" | 9.2 | 0.0 |
| November | 49°F (9°C) | 31°F (0°C) | 40°F (5°C) | 3.6" | 1.2" | 20.6 | 0.0 |
| December | 38°F (3°C) | 22°F (-6°C) | 30°F (-1°C) | 4.0" | 11.8" | 28.1 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 86°F around July 16, short of 90°F on every date, while 146 dates carry a normal low at or below freezing, the coldest 13°F near January 26.
The freezing stretch
The normal low stays at or below 32°F into April 7, then returns to freezing around November 14, covering 146 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 43% of years recorded at least a hundredth of an inch. The driest is September 4 at 31%. Summed across the calendar, that is about 133 wet dates a year.
The widest day
April 28 carries the biggest normal gap between afternoon and dawn, 25°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Tully Lake.
Monthly Precipitation
Average monthly rainfall and snowfall
Snow: 14.3"
11.4 days with precipitation
Snow: 12.5"
10.1 days with precipitation
Snow: 9.4"
10.4 days with precipitation
Snow: 3.0"
11.6 days with precipitation
13.1 days with precipitation
12.7 days with precipitation
11.4 days with precipitation
10.6 days with precipitation
9.6 days with precipitation
11.2 days with precipitation
Snow: 1.2"
10.0 days with precipitation
Snow: 11.8"
11.1 days with precipitation
Tully Lake spreads its precipitation across the year
Neither half of the year dominates here: June through August take 28% of the annual total and December through February 22%, with neither reaching the 35% that would mark a distinct wet season. Tully Lake has no dry season to plan around, though it does carry a wide 50.2°F gap between its warmest and coldest month.
The gap between the wettest and driest month still matters: October averages 4.7" and February 2.9". The three wettest months together take 29% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
When it rains in Tully Lake, it arrives in quantity
47.4" of precipitation falls across only about 133 wet days here, averaging 0.36 inches each. Fewer days carry more water: the year's total is delivered in comparatively heavy events rather than persistent damp.
- Days with measurable precipitation
- about 133 a year, 36% of all days
- Average depth per wet day
- 0.36 inches
- Most wet days
- May, about 13
- Fewest wet days
- September, about 10
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, and a per-day average is not a forecast of any individual storm.
Winter brings real snow to Tully Lake
Tully Lake averages 52.2 inches of snowfall a year, with January the snowiest month on the normals, spread across roughly 22 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: 52.2 inches of depth.
- Days recording measurable snow: about 22 a year.
- At a rough ten-to-one melt ratio, snow accounts for on the order of 11% 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 17
50% probability date
Last Spring Freeze
April 25
50% probability date
Growing Season
175 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,529
Higher = more heating needed
Cooling Degree Days
766
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside MA closest to Tully Lake 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 (49°F here).
- Arlington, WA 49°F · 0.0°F off
- Byers, CO 49°F · 0.0°F off
- Crystal Lake, IL 49°F · 0.0°F off
- Greenfield, IA 49°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (47.5" here), excluding temperature-peer places.
- Hightstown, NJ 47.5" · 0.0" off
- Harrison, AR 47.5" · 0.0" off
- Waynesville, MO 47.5" · 0.0" off
- Danbury, NC 47.4" · 0.0" off
Snow and freeze rhythm
When cold and snow define Tully Lake
heating led · wet · mid swing
Tully Lake's energy balance leans toward cold weather: 6,529 annual heating degree days against 766 for cooling. Its 50.2°F seasonal range still makes the monthly rows more useful than the annual average alone.
Tully Lake's frost-free season lasts about 175 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
-
1. Tully Lake coldest normal
January
Averaging 24°F (-5°C), this month sits below freezing for the month as a whole, not merely overnight.
-
2. Tully Lake typical freeze period
January through December
The station reports average freezing days from January through December.
-
3. Tully Lake snow peak
January
Tully Lake averages 52.2 inches of snow a year, with January the snowiest month on the normals.
Questions about Tully Lake's climate
How much snow does Tully Lake get? ▼
How cold does Tully Lake get in winter? ▼
How much energy does heating and cooling require in Tully Lake? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Tully Lake's primary station: TULLY LAKE (USC00198573). 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 Tully Lake; 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 Tully Lake 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.