Montclair, VA climate
Montclair has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 26°, and about 12 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Montclair feels like
Winter
Spring
Summer
Fall
Montclair 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 | 44° | 26° | 2.8" | 3.5" | 9 | 2 | 27° – 42° |
| February | 48° | 28° | 2.5" | 5.8" | 9 | 4 | 28° – 46° |
| March | 56° | 35° | 3.4" | 1.4" | 11 | 1 | 40° – 55° |
| April | 68° | 45° | 3.3" | 0 | 10 | 0 | 52° – 62° |
| May | 76° | 54° | 4.0" | 0 | 13 | 0 | 60° – 71° |
| June | 84° | 63° | 4.0" | 0 | 11 | 0 | 69° – 78° |
| July | 88° | 68° | 4.2" | 0 | 10 | 0 | 73° – 82° |
| August | 86° | 66° | 3.8" | 0 | 8 | 0 | 71° – 80° |
| September | 79° | 59° | 4.3" | 0 | 9 | 0 | 66° – 74° |
| October | 69° | 47° | 3.5" | 0 | 9 | 0 | 53° – 64° |
| November | 58° | 37° | 3.0" | 0 | 9 | 0 | 41° – 53° |
| December | 48° | 30° | 3.4" | 1.7" | 10 | 1 | 30° – 51° |
| Year | 67° | 47° | 42.1" | 12.4" | 118 | 8 |
“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 Montclair
Montclair gets 42 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 118 days a year. Snow covers the ground about 8 days of the year.
About 226 frost-free days a year
In half of years the last 32° night comes by March 28 and the first one by November 8. That leaves about 226 frost-free days for gardens, longer than 84% of U.S. towns.
Heating and cooling a home in Montclair
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Montclair, 73% of that work is heating and 27% is cooling.
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.
Montclair and its neighbors
Montclair borders 4 towns with climate data. January nights across them vary by 0.9°. Independent Hill has the coldest January nights (26°) and Leesylvania the hottest July afternoons (89°). Montclair’s January low is 26° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Montclair 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 Montclair averaged 1.8° warmer than the 1900s. The biggest change is in December (+2.8°). The shift is larger than in 87% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Montclair’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 30° to 51°. September is the most reliable, staying within 8°.
Common questions about Montclair’s climate
What is the coldest month in Montclair?
January, with a typical high of 44° and a low of 26°.
What is the hottest month in Montclair?
July, with a typical high of 88° and a low of 68°. About 30 days a year reach 90°.
How much snow does Montclair get?
About 12 inches in a normal winter, most of it in February.
When is the first frost in Montclair?
In half of years the first 32° night comes by November 8, and the last spring frost by March 28.
What is the rainiest month in Montclair?
September, with 4.3 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Montclair itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Quantico Mcas, VA (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.