Summersville, West Virginia climate: Normal weather by month, frost dates and records
Summersville's normal year runs from 21°F January nights to 81°F July afternoons, with 49.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.9°C, January lows of −6°C, July highs of 27°C, 1,264 mm of precipitation a year.
- NOAA stationSummersville Lake
- Station IDUSC00468614
- Location38.22°N 80.89°W
- Elevation1,768 ft (539 m)
- Population3,326
On October 14, the normal high in Summersville is 66°F and the normal low 42°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Summersville.
- Jan 41° 21°
- Feb 44° 23°
- Mar 52° 29°
- Apr 65° 38°
- May 72° 48°
- Jun 78° 57°
- Jul 81° 61°
- Aug 80° 59°
- Sep 76° 53°
- Oct 65° 41°
- Nov 54° 32°
- Dec 45° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Summersville each month?
July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 21°F. The most precipitation falls in July (5.85 in), the least in February (3.11 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 41°F | 21°F | 30.6°F | 3.48 | – | <1 | 26 | 9 h 50 min |
| February | 44°F | 23°F | 33.4°F | 3.11 | – | <1 | 24 | 10 h 50 min |
| March | 52°F | 29°F | 40.3°F | 4.27 | – | <1 | 21 | 11 h 50 min |
| April | 65°F | 38°F | 51.5°F | 4.18 | – | <1 | 9 | 13 h 10 min |
| May | 72°F | 48°F | 60.2°F | 5.26 | – | <1 | 1 | 14 h 10 min |
| June | 78°F | 57°F | 67.6°F | 5.19 | – | <1 | <1 | 14 h 50 min |
| July | 81°F | 61°F | 71.1°F | 5.85 | – | 1 | <1 | 14 h 40 min |
| August | 80°F | 59°F | 69.8°F | 4.16 | – | 1 | <1 | 13 h 40 min |
| September | 76°F | 53°F | 64.1°F | 3.83 | – | <1 | <1 | 12 h 30 min |
| October | 65°F | 41°F | 53.1°F | 3.25 | – | <1 | 5 | 11 h 20 min |
| November | 54°F | 32°F | 42.7°F | 3.28 | – | <1 | 18 | 10 h 10 min |
| December | 45°F | 26°F | 35.1°F | 3.89 | – | <1 | 24 | 9 h 30 min |
| Year (annual) | 63°F | 41°F | 51.6°F | 49.75 | – | 2 | 127 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 5°C | −6°C | −0.8°C | 88 mm |
| February | 7°C | −5°C | 0.8°C | 79 mm |
| March | 11°C | −2°C | 4.6°C | 108 mm |
| April | 18°C | 3°C | 10.8°C | 106 mm |
| May | 22°C | 9°C | 15.7°C | 134 mm |
| June | 26°C | 14°C | 19.8°C | 132 mm |
| July | 27°C | 16°C | 21.7°C | 149 mm |
| August | 27°C | 15°C | 21.0°C | 106 mm |
| September | 24°C | 12°C | 17.8°C | 97 mm |
| October | 18°C | 5°C | 11.7°C | 83 mm |
| November | 12°C | 0°C | 5.9°C | 83 mm |
| December | 7°C | −4°C | 1.7°C | 99 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Mount Nebo (1 mi S) (3 miles away), gets 68 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00468614; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Summersville?
Normal highs sit between 65°F and 85°F in May, June, July, August and September.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00468614.
When is the last frost in Summersville?
In Summersville, the last spring frost (32°F) comes after April 27 in half of years and after May 16 in one year in ten; the first autumn frost comes before October 19 in half of years and before October 7 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 271 year in 10 after May 16; 9 in 10 after April 13
- First autumn frost, half of years before
- October 191 year in 10 before October 7; 9 in 10 before November 1
NOAA puts the median frost-free season at 173 days, and the season without a hard freeze (28°F) at 195 days.
A hard freeze (28°F) comes after April 16 in half of springs and before October 30 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Summersville in zone 6b in ZIP code 26671, the nearest ZIP area.
Frost dates for every NOAA station in West Virginia · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00468614; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Summersville?
In a normal year in Summersville, 2 days a year reach 90°F and 127 nights fall to 32°F or colder.
- Days at 90°F or more
- 2a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 127a normal year
- Days that stay below freezing
- 27high of 32°F or less
The highest temperature in this station's record (since 1967) is 99°F, on July 6, 2012; the lowest is −20°F, on January 21, 1985.
The wettest calendar year on that record is 1979, with 60.59 in; the snowiest season is 2009–10, with 95.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00468614; records: ACIS (NOAA Regional Climate Centers), station USC00468614. Records use complete months only; a month missing more than three days is left out.
How sunny is Summersville?
Over a year 69% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Summersville, 3.9 kWh per square metre a day. August is the sunniest month (76%) and January the cloudiest (56%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 56% | 1.8 |
| February | 58% | 2.5 |
| March | 63% | 3.6 |
| April | 67% | 4.8 |
| May | 68% | 5.3 |
| June | 74% | 6.0 |
| July | 74% | 5.8 |
| August | 76% | 5.3 |
| September | 75% | 4.4 |
| October | 69% | 3.2 |
| November | 68% | 2.3 |
| December | 57% | 1.6 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Summersville need?
A normal year in Summersville brings 5,443 heating degree days, 1% more than the median U.S. place (5,373), and 593 cooling degree days, 35% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,965 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,066 | 0 |
| February | 885 | 0 |
| March | 768 | 0 |
| April | 413 | 7 |
| May | 187 | 40 |
| June | 41 | 117 |
| July | 8 | 195 |
| August | 11 | 160 |
| September | 93 | 66 |
| October | 375 | 7 |
| November | 669 | 0 |
| December | 929 | 0 |
| Year (annual) | 5,443 | 593 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00468614. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Summersville's climate compare?
Summersville is warmer than 14 of the other 62 places with their own NOAA record in West Virginia, and wetter than 43. Across the 7,247 U.S. stations with normals, its annual mean of 51.6°F is warmer than 48%.
In the Köppen classification computed from these normals, Summersville is Dfb: continental, no dry season, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Summersville's climate
What is the coldest month in Summersville?
January, with a normal high of 41°F and a normal low of 21°F. The warmest is July (81°F by day, 61°F at night).
Does it snow in Summersville?
Yes. NOAA publishes no 1991-2020 snowfall normal for Summersville's NOAA station; the nearest record that keeps one, Mount Nebo (1 mi S) (3 miles away), records 68 inches of snow in a normal year.
What is the rainiest month in Summersville?
July, with 5.85 in of precipitation in a normal year; the driest is February with 3.11 in.
What plant hardiness zone is Summersville in?
The USDA's 2023 map puts Summersville in zone 6b in ZIP code 26671, the nearest ZIP area.
How late can frost come in Summersville?
In half of years the last 32°F night comes after April 27; in one year in ten it comes after May 16. Waiting until May 16 leaves about a one-in-ten chance of a later frost.
Nearby and next
- West Virginia climateThe statewide normals and every place in the state
- Mount Nebo (1 mi S), WV3 miles from this station, 50.2°F a year
- Anstead Hawks Nest State Park, WV14 miles from this station, 53.7°F a year
- Rupert, WV18 miles from this station, 48.1°F a year
- Richwood, WV21 miles from this station, 49.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made