Danbury Climate by Month
Danbury, Connecticut, United States
Warm summers and cold winters, with rain spread through the year.
Warm summers and cold winters, with rain spread through the year: that's Danbury's climate in short. Afternoon highs range from 36°F (2°C) in January to 84°F (29°C) in July, and January nights average 19°F (-7°C). About 48 in (1228 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 19°F(-7°C)
- Average low, January
- Rain per year
- 48 in(1228 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Danbury
Best for weatherThe most comfortable weather comes in September, with highs around 76°F (24°C) and about 4.4 in (111 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 36°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Danbury weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 19°F(-7°C) | 3.5 in(88 mm) | 78% | 1.7 |
| FebFebruary | 40°F(4°C) | 21°F(-6°C) | 3.2 in(81 mm) | 70% | 2.6 |
| MarMarch | 48°F(9°C) | 28°F(-2°C) | 4.2 in(106 mm) | 64% | 3.5 |
| AprApril | 60°F(16°C) | 38°F(3°C) | 4.1 in(105 mm) | 59% | 4.5 |
| MayMay | 71°F(22°C) | 48°F(9°C) | 4.2 in(106 mm) | 63% | 5.2 |
| JunJune | 80°F(27°C) | 57°F(14°C) | 4.3 in(110 mm) | 67% | 5.6 |
| JulJuly | 84°F(29°C) | 63°F(17°C) | 4.1 in(105 mm) | 68% | 5.7 |
| AugAugust | 82°F(28°C) | 61°F(16°C) | 3.7 in(95 mm) | 71% | 5.0 |
| SepSeptemberBest | 76°F(24°C) | 54°F(12°C) | 4.4 in(111 mm) | 72% | 4.0 |
| OctOctober | 64°F(18°C) | 42°F(6°C) | 4.6 in(117 mm) | 73% | 2.7 |
| NovNovember | 52°F(11°C) | 33°F(1°C) | 3.8 in(96 mm) | 64% | 1.8 |
| DecDecember | 42°F(5°C) | 25°F(-4°C) | 4.3 in(108 mm) | 77% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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