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 14° degrees and there is about 740 mm 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

Climate of Connecticut
Temperature graph
Precipitation graph
Climate chart of Connecticut
The best travel time for Connecticut
Climate of Connecticut by month
Experiences with the weather of Connecticut
Popular destinations Connecticut

Do you want to go to Connecticut?

These are the travel companies where you can book a trip to Connecticut:

Booking.com

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. (°C)	0	2	6	14	20	24	28	27	23	16	9	4
Night temp. (°C)	-6	-6	-2	4	10	14	17	17	13	8	2	-2
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	58	59	63	50	49	57	64	66	55	69	69	81
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 28°C in July and the lowest is0°C 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.

January