Manchester (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Manchester.
Climate overview of Manchester
Manchester, Connecticut, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 2°C (36°F).
Rain/snowfall is high, totalling around 1220 mm (48 in) per year. June is the wettest month and January the driest. The city also experiences warm summers and cold winters. The sunniest month is July, with 9.8 hours of sunshine per day on average.
Manchester Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Manchester - and find the best time to visit.
Monthly Temperature in Manchester
Visitors to Manchester can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Manchester
Manchester is known for its substantial rain/snowfall, with annual precipitation reaching 1220 mm (48 in). While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 150 mm (5.9 in) of precipitation, spread over 15 rainy days.
In contrast, the driest month January experiences a drier climate, with about 80 mm (3.1 in) of snow/rainfall spread across 11 snowy/rainy days. For more details, please visit our Manchester Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Manchester
Seasonal changes in sunshine hours are quite dramatic in Manchester. While July receives considerable daily sunshine with up to 9.8 hours, November marks the darkest time of the year, where sunshine is scarce with only 4.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Manchester by Month
The relative humidity is high throughout the year in Manchester.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Manchester
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: February, March, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Manchester
What is the best time to visit Manchester?
May and September typically offer the most optimal weather in Manchester. In contrast, January, February, March and December tend to have less optimal conditions. Manchester has warm summers and cold winters.
What temperatures can I expect in Manchester?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Manchester get?
Annual rainfall is around 1220 mm (48 in). June is the wettest month with 150 mm (5.9 in), while January is the driest with 80 mm (3.1 in).
How sunny is Manchester?
Manchester receives around 2,579 hours of sunshine per year. July is the sunniest month with 293 hours, while November is the cloudiest with just 139 hours. Overall, Manchester enjoys abundant sunshine.
Manchester 3-Day Forecast
Manchester on the map
Manchester is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
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