Avon (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Avon.
Climate overview of Avon
Avon, 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).
With around 1328 mm (52 in) of annual rain/snowfall, Avon has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is June. The sunniest month is July, with 9.8 hours of sunshine per day on average.
Avon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Avon - and find the best time to visit.
Monthly Temperature in Avon
Visitors to Avon can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 2°C (36°F).
At night, temperatures range from around 18°C (64°F) in July to -8°C (18°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Avon
Avon is known for its substantial rain/snowfall, with annual precipitation reaching 1328 mm (52 in). Avon experiences moderate seasonal variation in rainfall, with monthly averages ranging from 154 mm (6.1 in) in June, the wettest month, and 84 mm (3.3 in) in November, the driest month. For more details, please visit our Avon 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 Avon
Avon can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in November, 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 Avon by Month
The relative humidity is high throughout the year in Avon.
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 Avon
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: 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 -8°C (18°F).
Frequently asked questions about the climate in Avon
What is the best time to visit Avon?
September typically offers the most optimal weather in Avon. In contrast, January, February, March and December tend to have less optimal conditions. Avon has warm summers and cold winters.
What temperatures can I expect in Avon?
Daytime highs range from 2°C (36°F) in January 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 Avon get?
Annual rainfall is around 1328 mm (52 in). June is the wettest month with 154 mm (6.1 in), while November is the driest with 84 mm (3.3 in).
How sunny is Avon?
Avon 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, Avon enjoys abundant sunshine.
Avon 3-Day Forecast
Avon on the map
Avon is highlighted - select any city to see its climate.
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