Connecticut weather by month

Check out Connecticut weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
Hours of sunshine (daily)
Days with some rainfall

More about Connecticut

Connecticut by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Connecticut (Hartford) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Connecticut destinations

Below are average maximum temperatures at popular countries, regions and places in Connecticut for next month - December. Select a destination to see the climate guide for all months of the year.

All Connecticut destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Connecticut hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.2%
1.3%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Connecticut with the USA

Below the Connecticut chart shows average maximum daytime temperature for Connecticut, USA (Hartford) and the USA (Washington).

Maximum daytime temperature (°C)

Connecticut, USA (Hartford)
USA (Washington)
1
5
2
7
8
13
15
19
21
24
26
29
28
31
28
30
23
26
18
20
11
14
3
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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