Danbury weather by month
Average highs run from 36°F in January to 82°F in July, and January nights average 18°F. It gets 48 inches of rain and melted snow a year and 49 inches of snow. Nights drop below freezing about 134 times a year. The most comfortable months are May to July.
Best time to visit Danbury
For comfortable weather, go in May to July. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 36°F | 18°F | 3.1 in | 15.7 in | 6 | 0 | 28 | cold |
| February | 39°F | 20°F | 2.7 in | 11.0 in | 5 | 0 | 26 | cold |
| March | 47°F | 27°F | 3.9 in | 10.4 in | 7 | 0 | 22 | cold |
| April | 59°F | 37°F | 3.7 in | 1.7 in | 7 | 0 | 9 | cool |
| May | 69°F | 46°F | 3.8 in | 0.0 in | 8 | 0 | 1 | mild |
| June | 78°F | 56°F | 4.5 in | 0.0 in | 7 | 1 | 0 | warm |
| July | 82°F | 62°F | 4.5 in | 0.0 in | 7 | 4 | 0 | warm |
| August | 80°F | 60°F | 4.6 in | 0.0 in | 7 | 2 | 0 | warm |
| September | 74°F | 52°F | 4.8 in | 0.0 in | 6 | 0 | 0 | mild |
| October | 62°F | 41°F | 4.5 in | 0.0 in | 6 | 0 | 5 | mild days, chilly nights |
| November | 51°F | 31°F | 3.8 in | 1.9 in | 6 | 0 | 17 | cool |
| December | 41°F | 24°F | 4.2 in | 8.6 in | 7 | 0 | 25 | cold |
| Year | 60°F avg | 40°F avg | 48.0 in | 49.3 in | 78 | 8 | 134 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Danbury Municipal Airport, CT (USW00054734), 2.2 miles from the city center; snowfall from Danbury, CT. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Danbury
The shortest day is December 21, with 9h 10m of daylight; the longest is June 21, with 15h 10m. The earliest sunset comes around December 6 (4:23 pm) and the latest around June 24 (8:31 pm). The sun sets after 8 pm on 92 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 am | 4:49 pm | 9h 31m |
| February | 6:48 am | 5:27 pm | 10h 39m |
| March | 7:05 am | 7:00 pm | 11h 55m |
| April | 6:14 am | 7:33 pm | 13h 20m |
| May | 5:35 am | 8:05 pm | 14h 31m |
| June | 5:20 am | 8:28 pm | 15h 09m |
| July | 5:33 am | 8:25 pm | 14h 52m |
| August | 6:03 am | 7:52 pm | 13h 49m |
| September | 6:34 am | 7:02 pm | 12h 28m |
| October | 7:05 am | 6:12 pm | 11h 06m |
| November | 6:42 am | 4:33 pm | 9h 51m |
| December | 7:13 am | 4:24 pm | 9h 12m |
Calculated for 2026 at the center of Danbury with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Danbury getting warmer?
The last 10 years averaged 3.5°F warmer than the 20th century. See the climate stripes for Danbury.Frequently asked questions
What is the warmest month in Danbury?
July is the warmest month, with an average high of 82°F and an average low of 62°F (NOAA 1991-2020 normals).
What is the coldest month in Danbury?
January is the coldest, with average lows of 18°F and highs of 36°F.
What is the rainiest month in Danbury?
September gets the most precipitation, 4.8 inches on average. February is the driest at 2.7 inches.
Does it snow in Danbury?
Yes. Danbury averages 49 inches of snow a year.
When is the best time to visit Danbury?
For comfortable weather, May to July. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Danbury?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Danbury profile.
Compare the weather: Danbury vs Norwalk, Danbury vs Bridgeport, Danbury vs Waterbury, Danbury vs Stamford.