Simsbury (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Simsbury.
Climate overview of Simsbury
Temperatures in Simsbury, Connecticut, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while February is the coldest at 2°C (36°F).
The city has a wet climate, receiving around 1304 mm (51 in) of rain/snowfall per year. June is the wettest month. Sunshine peaks in July, when the city sees around 9.8 hours of sunshine per day.
Simsbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Simsbury — and find the best time to visit.
Monthly Temperature in Simsbury
The climate in Simsbury is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 2°C (36°F) in February.
Nighttime temperatures range from 18°C (64°F) in July to -8°C (18°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Simsbury
Simsbury has a notably wet climate with abundant precipitation, recording 1304 mm (51 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 155 mm (6.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 83 mm (3.3 in) of rainfall. For more details, please visit our Simsbury 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 Simsbury
In Simsbury, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 4.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Simsbury by Month
The relative humidity is high throughout the year in Simsbury.
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 Simsbury
Frequently asked questions about the climate in Simsbury
What is the best time to visit Simsbury?
September typically offers the most optimal weather in Simsbury. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Simsbury?
Daytime highs range from 2°C (36°F) in February to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Simsbury get?
Annual rainfall is around 1304 mm (51 in). June is the wettest month with 155 mm (6.1 in), while November is the driest with 83 mm (3.3 in).
How sunny is Simsbury?
Simsbury 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, Simsbury enjoys abundant sunshine.
Simsbury 3-Day Forecast
Simsbury (CT) 3-Day Forecast
Simsbury on the map
Simsbury is highlighted — select any city to see its climate.
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