Manchester, Connecticut Climate by Month
Manchester, Connecticut, United States
Warm summers and cold winters, with rain spread through the year.
The climate in Manchester is one of warm summers and cold winters, with rain spread through the year. Expect highs of 84°F (29°C) in July and 36°F (2°C) in January, with the coldest nights (January) near 18°F (-8°C). About 46 in (1174 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 18°F(-8°C)
- Average low, January
- Rain per year
- 46 in(1174 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Manchester
Best for weatherSeptember is the best time for weather in Manchester: highs near 76°F (24°C) and about 4.1 in (105 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)
Manchester weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 18°F(-8°C) | 3.5 in(88 mm) | 80% | 1.7 |
| FebFebruary | 38°F(3°C) | 19°F(-7°C) | 3.2 in(81 mm) | 75% | 2.5 |
| MarMarch | 47°F(8°C) | 28°F(-2°C) | 4.1 in(103 mm) | 67% | 3.5 |
| AprApril | 59°F(15°C) | 37°F(3°C) | 4.0 in(101 mm) | 61% | 4.5 |
| MayMay | 70°F(21°C) | 47°F(8°C) | 3.6 in(92 mm) | 66% | 5.2 |
| JunJune | 79°F(26°C) | 56°F(14°C) | 4.3 in(108 mm) | 70% | 5.6 |
| JulJuly | 84°F(29°C) | 62°F(17°C) | 3.9 in(99 mm) | 69% | 5.7 |
| AugAugust | 83°F(28°C) | 61°F(16°C) | 3.5 in(89 mm) | 71% | 5.1 |
| SepSeptemberBest | 76°F(24°C) | 54°F(12°C) | 4.1 in(105 mm) | 72% | 4.0 |
| OctOctober | 64°F(18°C) | 42°F(6°C) | 4.3 in(108 mm) | 73% | 2.7 |
| NovNovember | 53°F(12°C) | 33°F(1°C) | 3.6 in(92 mm) | 64% | 1.8 |
| DecDecember | 42°F(5°C) | 24°F(-4°C) | 4.3 in(108 mm) | 63% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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