Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Preston (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Preston.
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Climate overview of Preston
Preston, Connecticut, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 3°C (37°F) in January.
Rain/snowfall is high, totalling around 1299 mm (51 in) per year. March is the wettest month and January the driest. The city also experiences warm summers and cold winters. The sunniest month is July, with 9.7 hours of sunshine per day on average.
Preston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Preston - and find the best time to visit.
Monthly Temperature in Preston
Depending on the time of the year, temperatures range from comfortable to chilly in Preston. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 3°C (37°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 Preston
Preston has a relatively rain/snowy climate with high precipitation levels, averaging 1299 mm (51 in) of rain/snowfall annually. Year-round, Preston has a balanced climate with minimal variation in precipitation. The difference between the wettest month, March, with 128 mm (5 in), and the driest month, January, with 90 mm (3.5 in), is minimal. For more details, please visit our Preston 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 Preston
Seasonal changes in sunshine hours are quite dramatic in Preston. While July receives considerable daily sunshine with up to 9.7 hours, November marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Providence, the United States of America (57 KM, 35 Miles).
Daily hours of sunshine
Data from: Providence, the United States of America (57 KM, 35 Miles).
Daily percentage of sunshine
Data from: Providence, the United States of America (57 KM, 35 Miles).
Humidity in Preston by Month
The relative humidity is high throughout the year in Preston.
The city experiences its highest humidity in August, reaching 73%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Providence, the United States of America (57 KM, 35 Miles).
Best Time to Visit Preston
Conditions in Preston are generally most comfortable in May. They are typically least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
mixed
May
excellent
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
good
Nov
wet
Dec
wet
- Best overall: May
- Warmest weather: July and August
- Most sunshine: June and July
- Fewer rainy days: February, March, August, 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 Preston
What is the best time to visit Preston?
May typically offers the most optimal weather in Preston. In contrast, January, February, March, November and December tend to have less optimal conditions. Preston has warm summers and cold winters.
What temperatures can I expect in Preston?
Daytime highs range from 3°C (37°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 Preston get?
Annual rainfall is around 1299 mm (51 in). March is the wettest month with 128 mm (5 in), while January is the driest with 90 mm (3.5 in).
How sunny is Preston?
Preston receives around 2,598 hours of sunshine per year. July is the sunniest month with 290 hours, while November is the cloudiest with just 147 hours. Overall, Preston enjoys abundant sunshine.
Preston 3-Day Forecast
Preston on the map
Preston is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
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