Mannington, WV climate
Mannington has chilly winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 21°, and about 24 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade11° warmer than normal today. The forecast high is 82°, and a typical Oct 1 in Mannington peaks around 71°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Mannington feels like
Winter
Spring
Summer
Fall
Mannington weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 39° | 21° | 3.8" | 7.9" | 16 | 10 | 23° – 40° |
| February | 43° | 24° | 3.2" | 7.8" | 14 | 7 | 21° – 42° |
| March | 52° | 31° | 4.0" | 3.5" | 14 | 3 | 35° – 52° |
| April | 65° | 39° | 3.9" | 0.1" | 14 | 0 | 47° – 58° |
| May | 74° | 48° | 4.5" | 0 | 15 | 0 | 55° – 69° |
| June | 81° | 57° | 4.5" | 0 | 13 | 0 | 65° – 71° |
| July | 84° | 61° | 4.8" | 0 | 12 | 0 | 68° – 76° |
| August | 83° | 60° | 3.8" | 0 | 11 | 0 | 67° – 76° |
| September | 77° | 53° | 3.6" | 0 | 10 | 0 | 62° – 70° |
| October | 65° | 41° | 3.3" | 0 | 12 | 0 | 50° – 59° |
| November | 53° | 32° | 3.1" | 0.7" | 12 | 1 | 36° – 49° |
| December | 44° | 26° | 3.6" | 3.8" | 15 | 5 | 25° – 46° |
| Year | 63° | 41° | 46.2" | 23.8" | 158 | 26 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Mannington
Mannington gets 46 inches of rain and melted snow a year. July is the wettest month and November the driest. Rain or snow falls on about 158 days a year. Snow covers the ground about 26 days of the year.
About 159 frost-free days a year
In half of years the last 32° night comes by May 3 and the first one by October 10. That leaves about 159 frost-free days for gardens, shorter than 72% of U.S. towns.
Heating and cooling a home in Mannington
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mannington, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Mannington compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Mannington averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is smaller than in 68% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mannington’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 25° to 46°. June is the most reliable, staying within 7°.
Common questions about Mannington’s climate
What is the coldest month in Mannington?
January, with a typical high of 39° and a low of 21°.
What is the hottest month in Mannington?
July, with a typical high of 84° and a low of 61°. About 17 days a year reach 90°.
How much snow does Mannington get?
About 24 inches in a normal winter, most of it in January.
When is the first frost in Mannington?
In half of years the first 32° night comes by October 10, and the last spring frost by May 3.
What is the rainiest month in Mannington?
July, with 4.8 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mannington itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Clarksburg 1, WV (18 mi, snow) and Mannington 8 Wnw, WV (7 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.