Mill Gap, VA Climate: Temperature & Rain by Month
Annual temperature and rainfall from NOAA NCEI's 1991–2020 normals →; comfort score computed by PlainClimate
30-year climate normals (1991-2020) from Mill Gap's primary NOAA station, MILL GAP.
The climate verdict for Mill Gap
Water is the standout signal in Mill Gap, Virginia: 45.3 inches of precipitation in a normal year. Against that wet profile, NOAA records an annual average of 48°F. Its climate comfort score of 59/100 (moderate) lands mid-pack nationally, exceeding 37% of station-mapped location scores.
- 48°F
- yearly average temperature, NOAA normal
- 59/100
- comfort score, above 37% of station-mapped location scores
- 45.3"
- annual precipitation · 34" snow
- 144 days
- frost-free growing season
Mill Gap: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00445595 · Mill Gap, VA 48°F mean · 45.3" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-MID · SWING-MID · COMF-MID · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 48°F
- RANK-COOL #2,196
- PHOTO-FINISH ≈ Elgin
- PRCP-MID 45.3"
- SWING-MID 40°F
- COMF-MID 59/100
- LOAD-HEAT 6,397 HDD
- STN-1 USC00445595
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Elgin, OR (+ 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 VA station list.
- Mill Gap (this station) 48°F
- Cold Belknap Springs, OR 48°F
- Hot Rupert, WV 48°F
- Near Elgin, OR 48°F
- Near Frost, WV 48°F
Climate Living Index · Mill Gap
Mill Gap: 37/100 · grade F
Mill Gap publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Mill Gap, not an official NOAA rating. Rankings still use Comfort Score 59/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 45.3 in · 10.3 from 35 in | 64/100 · C |
| Snowfall burden | 33.7 inches/year | 34/100 · F |
| Annual temperature balance | 48.1°F · 19.4° from 67.5°F | 32/100 · F |
| Normal heat + freeze calendar | 170 calendar days | 32/100 · F |
| Frost-free season | 144 days/year | 21/100 · F |
Mill Gap · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Mill Gap is a continental Köppen climate: Dfb
Coldest-month mean 27.8°F and warmest-month mean 67.7°F place this station in continental, no dry season, warm summer climates (Dfb). Class Dfb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: continental, specifically continental, no dry season, warm summer.
- Köppen code
- Dfb
- Group
- Continental
- Warmest month
- 67.7°F
- Coldest month
- 27.8°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 Mill Gap sits across the climate record
Three NOAA fields for Mill Gap's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 32nd percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- 69th percentile wetness
- Neither arid nor torrential versus 6,352 station totals.
- Seasonal temperature swing
- 35th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Mill Gap compares across U.S. station-mapped locations
Mill Gap's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
59 37th percentile score exceeds 37% 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 39°F (4°C) | 17°F (-9°C) | 28°F (-2°C) | 3.3" | 8.2" | 28.0 | 0.0 |
| February | 42°F (6°C) | 18°F (-8°C) | 30°F (-1°C) | 2.9" | 8.6" | 25.8 | 0.0 |
| March | 50°F (10°C) | 24°F (-4°C) | 37°F (3°C) | 3.9" | 7.5" | 24.6 | 0.0 |
| April | 62°F (17°C) | 33°F (0°C) | 48°F (9°C) | 4.2" | 0.7" | 14.0 | 0.0 |
| May | 71°F (21°C) | 43°F (6°C) | 57°F (14°C) | 4.8" | 0.0" | 4.0 | 0.0 |
| June | 77°F (25°C) | 51°F (11°C) | 64°F (18°C) | 4.5" | 0.0" | 0.1 | 0.2 |
| July | 80°F (27°C) | 55°F (13°C) | 68°F (20°C) | 4.3" | 0.0" | 0.0 | 0.8 |
| August | 79°F (26°C) | 55°F (13°C) | 67°F (19°C) | 3.7" | 0.0" | 0.0 | 0.2 |
| September | 74°F (23°C) | 47°F (8°C) | 60°F (16°C) | 4.0" | 0.0" | 0.9 | 0.1 |
| October | 63°F (17°C) | 36°F (2°C) | 49°F (10°C) | 3.0" | 0.1" | 11.0 | 0.0 |
| November | 52°F (11°C) | 26°F (-4°C) | 39°F (4°C) | 3.0" | 1.5" | 22.5 | 0.0 |
| December | 42°F (6°C) | 20°F (-6°C) | 31°F (0°C) | 3.6" | 7.1" | 27.1 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 80°F around July 7, short of 90°F on every date, while 170 dates carry a normal low at or below freezing, the coldest 16°F near January 20.
The freezing stretch
The normal low stays at or below 32°F into April 12, then returns to freezing around October 26, covering 170 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 14, when 47% of years recorded at least a hundredth of an inch. The driest is October 26 at 29%. Summed across the calendar, that is about 137 wet dates a year.
The widest day
April 21 carries the biggest normal gap between afternoon and dawn, 30°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Mill Gap.
Monthly Precipitation
Average monthly rainfall and snowfall
Snow: 8.2"
11.8 days with precipitation
Snow: 8.6"
10.6 days with precipitation
Snow: 7.5"
12.2 days with precipitation
Snow: 0.7"
12.8 days with precipitation
14.5 days with precipitation
12.2 days with precipitation
12.5 days with precipitation
11.6 days with precipitation
9.1 days with precipitation
Snow: 0.1"
8.9 days with precipitation
Snow: 1.5"
8.8 days with precipitation
Snow: 7.1"
11.5 days with precipitation
Mill Gap 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. Mill Gap has no dry season to plan around, though it does carry a 39.9°F seasonal spread.
The gap between the wettest and driest month still matters: May averages 4.8" and February 2.9". The three wettest months together take 30% 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.
How Mill Gap's precipitation splits across the calendar
About 137 days a year record measurable precipitation here, carrying 45.3" between them, or roughly 0.33 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 Mill Gap
Mill Gap averages 33.7 inches of snowfall a year, with February the snowiest month on the normals, spread across roughly 20 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: 33.7 inches of depth.
- Days recording measurable snow: about 20 a year.
- At a rough ten-to-one melt ratio, snow accounts for on the order of 7% 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 3
50% probability date
Last Spring Freeze
May 12
50% probability date
Growing Season
144 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,397
Higher = more heating needed
Cooling Degree Days
284
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside VA closest to Mill Gap 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 (48°F here).
- Boone, IA 48°F · 0.0°F off
- Castleford, ID 48°F · 0.0°F off
- Concord, NE 48°F · 0.0°F off
- Crofton, NE 48°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (45.3" here), excluding temperature-peer places.
- Hampton, SC 45.3" · 0.0" off
- Union, SC 45.3" · 0.0" off
- Buffalo, MO 45.3" · 0.0" off
- Columbia, SC 45.2" · 0.0" off
Snow and freeze rhythm
When cold and snow define Mill Gap
heating led · wet · mid swing
Mill Gap's energy balance leans toward cold weather: 6,397 annual heating degree days against 284 for cooling. Its 39.9°F seasonal range still makes the monthly rows more useful than the annual average alone.
Only about 144 days are frost-free in a normal year. That short interval is consistent with the cold-season signal, but the measure does not predict the exact first or last freeze in any one year.
-
1. Mill Gap coldest normal
January
The monthly mean of 28°F (-2°C) sits near freezing, so cold nights and above-freezing afternoons share the same month.
-
2. Mill Gap typical freeze period
January through December
The station reports average freezing days from January through December.
-
3. Mill Gap snow peak
February
Mill Gap averages 33.7 inches of snow a year, with February the snowiest month on the normals.
Questions about Mill Gap's climate
How much snow does Mill Gap get? ▼
How cold does Mill Gap get in winter? ▼
How much energy does heating and cooling require in Mill Gap? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Mill Gap's primary station: MILL GAP (USC00445595). 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 Mill Gap; 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 Mill Gap 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.