Chatham Heights, VA climate
Chatham Heights has chilly winters and warm summers. A typical July afternoon reaches 89°, a January night drops to 26°, and about 11 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Chatham Heights feels like
Winter
Spring
Summer
Fall
Chatham Heights 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 46° | 26° | 3.0" | 3.7" | 9 | 28° – 43° |
| February | 50° | 28° | 2.6" | 5.2" | 7 | 29° – 47° |
| March | 58° | 34° | 3.6" | 0.1" | 9 | 41° – 56° |
| April | 69° | 44° | 3.2" | 0 | 10 | 52° – 62° |
| May | 76° | 53° | 4.1" | 0 | 13 | 60° – 71° |
| June | 85° | 63° | 3.9" | 0 | 11 | 69° – 78° |
| July | 89° | 67° | 4.1" | 0 | 10 | 74° – 83° |
| August | 87° | 66° | 3.9" | 0 | 10 | 71° – 79° |
| September | 80° | 58° | 4.4" | 0 | 8 | 66° – 74° |
| October | 69° | 46° | 3.6" | 0 | 9 | 53° – 64° |
| November | 59° | 36° | 3.2" | 0 | 9 | 41° – 53° |
| December | 49° | 29° | 3.4" | 2.3" | 9 | 31° – 50° |
| Year | 68° | 46° | 43.0" | 11.3" | 113 |
“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 Chatham Heights
Chatham Heights gets 43 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 113 days a year.
About 207 frost-free days a year
In half of years the last 32° night comes by April 6 and the first one by November 1. That leaves about 207 frost-free days for gardens, longer than 76% of U.S. towns.
Heating and cooling a home in Chatham Heights
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Chatham Heights, 76% of that work is heating and 24% 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.
Chatham Heights and its neighbors
Chatham Heights borders 2 towns with climate data. January nights across them vary by 0.2°. Fredericksburg has both the coldest January nights (25°) and the hottest July afternoons (89°). Chatham Heights’s January low is 26° and its July high 89°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Chatham Heights 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 Chatham Heights averaged 1.7° warmer than the 1900s. The biggest change is in December (+2.6°). The shift is larger than in 82% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Chatham Heights’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 31° to 50°. September is the most reliable, staying within 8°.
Common questions about Chatham Heights’s climate
What is the coldest month in Chatham Heights?
January, with a typical high of 46° and a low of 26°.
What is the hottest month in Chatham Heights?
July, with a typical high of 89° and a low of 67°. About 41 days a year reach 90°.
How much snow does Chatham Heights get?
About 11 inches in a normal winter, most of it in February.
When is the first frost in Chatham Heights?
In half of years the first 32° night comes by November 1, and the last spring frost by April 6.
What is the rainiest month in Chatham Heights?
September, with 4.4 inches of rain and melted snow. The year totals 43 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Chatham Heights itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Fredericksburg Sewage, VA (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.