Hartford weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Hartford (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	34	36	46	59	70	79	82	82	73	64	52	37
Min temperature (night-time)	16	19	28	37	46	55	63	61	52	41	32	21
Heat & Humidity	0	0	0	0	0	L	M	M	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Hartford

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	6	7	8	8	9	9	9	7	6	5	5
Daily hours of daylight	10	11	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	1	2	4	6	7	8	8	8	6	4	2	1

Rainfall in Hartford

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	10	11	11	12	11	9	10	9	8	11	12
Average monthly rainfall (inches)	3.3	3.1	3.6	3.9	4.0	3.7	3.5	3.7	3.7	3.5	3.9	3.8

More about Hartford

Hartford 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.

What's the climate like in Hartford?

Hartford has a cold climate with hot summers and some rainfall in all months.

Hartford weather in January

Expect daytime maximum temperatures of 34°F in Hartford, Connecticut in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 3.3 inches of rainfall in the month, which might fall as snow.

34
34°F max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
16
16°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
1
1 (Low) UV index

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Hartford weather in February

Expect daytime maximum temperatures of 36°F in Hartford, Connecticut in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.1 inches of rainfall in the month, which might fall as snow.

36
36°F max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
19
19°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
2
2 (Low) UV index

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Hartford weather in March

Expect daytime maximum temperatures of 46°F in Hartford, Connecticut in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 3.6 inches of rainfall in the month.

46
46°F max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
28
28°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.6
3.6 inches of monthly rainfall
4
4 (Moderate) UV index

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Hartford weather in April

Expect daytime maximum temperatures of 59°F in Hartford, Connecticut in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.9 inches of rainfall in the month.

59
59°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
37
37°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
6
6 (High) UV index

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Hartford weather in May

Expect daytime maximum temperatures of 70°F in Hartford, Connecticut in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 4.0 inches of rainfall in the month.

70
70°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
46
46°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
4.0
4.0 inches of monthly rainfall
7
7 (High) UV index

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Hartford weather in June

Expect daytime maximum temperatures of 79°F in Hartford, Connecticut in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 3.7 inches of rainfall in the month.

79
79°F max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
55
55°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
3.7
3.7 inches of monthly rainfall
8
8 (Very High) UV index

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Hartford weather in July

Expect daytime maximum temperatures of 82°F in Hartford, Connecticut in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

82
82°F max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
63
63°F min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
3.5
3.5 inches of monthly rainfall
8
8 (Very High) UV index

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Hartford weather in August

Expect daytime maximum temperatures of 82°F in Hartford, Connecticut in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 3.7 inches of rainfall in the month.

82
82°F max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
61
61°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
3.7
3.7 inches of monthly rainfall
8
8 (Very High) UV index

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Hartford weather in September

Expect daytime maximum temperatures of 73°F in Hartford, Connecticut in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.7 inches of rainfall in the month.

73
73°F max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
52
52°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
6
6 (High) UV index

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Hartford weather in October

Expect daytime maximum temperatures of 64°F in Hartford, Connecticut in October based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

64
64°F max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
41
41°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
4
4 (Moderate) UV index

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Hartford weather in November

Expect daytime maximum temperatures of 52°F in Hartford, Connecticut in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 3.9 inches of rainfall in the month.

52
52°F max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
32
32°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
2
2 (Low) UV index

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Hartford weather in December

Expect daytime maximum temperatures of 37°F in Hartford, Connecticut in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 3.8 inches of rainfall in the month, which might fall as snow.