Climate of Connecticut
The state Connecticut has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Connecticut is 29° degrees and there is about 291 inch of rain in a year. It is dry for 169 days a year with an average humidity of 77% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 0°C and 28°C
- Night:the average nighttime temperature is between -6°C and 17°C
- Rain: it rains 153 days and there is a total of approximately 740 mm rainfall
- Snow: it snows an average of 35 days per year
- Sun hours: throughout the year there are 2641 sun hours
Maximum temperature: | between 0°C and 28°C |
Warmest month: | 28°C in July |
Coldest month: | 0°C in January |
Night temperature: | between -6°C and 17°C |
Dry days: | 177 days |
Days with rain: | 153 days |
Days with snow: | 35 days |
Total rain sum: | 740 mm |
Hours of sunshine: | 2641 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Connecticut.
Precipitation graph
This graph shows the average amount of rainfall per month for Connecticut.
Climate table of Connecticut
In this climate table you can see at a glance what the average weather per month is for Connecticut. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Connecticut might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°F) | 33 | 36 | 43 | 57 | 69 | 76 | 82 | 80 | 73 | 61 | 49 | 39 |
Night temp. (°F) | 21 | 22 | 29 | 40 | 50 | 57 | 63 | 62 | 56 | 47 | 36 | 28 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 23 | 23 | 25 | 20 | 19 | 22 | 25 | 26 | 22 | 27 | 27 | 32 |
Days with rain | 7 | 7 | 11 | 14 | 16 | 17 | 17 | 16 | 13 | 14 | 11 | 10 |
Days with snow | 8 | 9 | 8 | 1 | - | - | - | - | - | 1 | 2 | 6 |
Dry days | 16 | 12 | 12 | 15 | 15 | 13 | 14 | 15 | 17 | 16 | 17 | 15 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 4 | 6 | 9 | 8 | 9 | 10 | 10 | 8 | 6 | 5 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
UV-index | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 5 | 4 | 3 | 2 | 2 |
Best time to visit Connecticut
The best time to visit Connecticut in the United States is May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in the state of Connecticut is 82°F in July and the lowest is33°F in January.
Climate of Connecticut by month
What is the average climate in a given month for Connecticut? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Connecticut weather experiences
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