Hartford weather by month

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

Temperature in Hartford (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
34°F maximum daytime temperature in January in Hartford34
36°F maximum daytime temperature in February in Hartford36
46°F maximum daytime temperature in March in Hartford46
59°F maximum daytime temperature in April in Hartford59
70°F maximum daytime temperature in May in Hartford70
79°F maximum daytime temperature in June in Hartford79
82°F maximum daytime temperature in July in Hartford82
82°F maximum daytime temperature in August in Hartford82
73°F maximum daytime temperature in September in Hartford73
64°F maximum daytime temperature in October in Hartford64
52°F maximum daytime temperature in November in Hartford52
37°F maximum daytime temperature in December in Hartford37
Min temperature (night-time)
16°F minimum night-time temperature in January in Hartford16
19°F minimum night-time temperature in February in Hartford19
28°F minimum night-time temperature in March in Hartford28
37°F minimum night-time temperature in April in Hartford37
46°F minimum night-time temperature in May in Hartford46
55°F minimum night-time temperature in June in Hartford55
63°F minimum night-time temperature in July in Hartford63
61°F minimum night-time temperature in August in Hartford61
52°F minimum night-time temperature in September in Hartford52
41°F minimum night-time temperature in October in Hartford41
32°F minimum night-time temperature in November in Hartford32
21°F minimum night-time temperature in December in Hartford21
Heat & Humidity
No heat & humidity in January in Hartford0
No heat & humidity in February in Hartford0
No heat & humidity in March in Hartford0
No heat & humidity in April in Hartford0
No heat & humidity in May in Hartford0
Low heat & humidity in June in HartfordL
Moderate heat & humidity in July in HartfordM
Moderate heat & humidity in August in HartfordM
No heat & humidity in September in Hartford0
No heat & humidity in October in Hartford0
No heat & humidity in November in Hartford0
No heat & humidity in December in Hartford0

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

Sunshine & Daylight in Hartford

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Hartford10
11 hours of daylight per day in February in Hartford11
12 hours of daylight per day in March in Hartford12
13 hours of daylight per day in April in Hartford13
15 hours of daylight per day in May in Hartford15
15 hours of daylight per day in June in Hartford15
15 hours of daylight per day in July in Hartford15
14 hours of daylight per day in August in Hartford14
12 hours of daylight per day in September in Hartford12
11 hours of daylight per day in October in Hartford11
10 hours of daylight per day in November in Hartford10
9 hours of daylight per day in December in Hartford9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Hartford1
UV (maximum) index 2 (Low) in February in Hartford2
UV (maximum) index 4 (Moderate) in March in Hartford4
UV (maximum) index 6 (High) in April in Hartford6
UV (maximum) index 7 (High) in May in Hartford7
UV (maximum) index 8 (Very High) in June in Hartford8
UV (maximum) index 8 (Very High) in July in Hartford8
UV (maximum) index 8 (Very High) in August in Hartford8
UV (maximum) index 6 (High) in September in Hartford6
UV (maximum) index 4 (Moderate) in October in Hartford4
UV (maximum) index 2 (Low) in November in Hartford2
UV (maximum) index 1 (Low) in December in Hartford1

Rainfall in Hartford

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Hartford11
10 days with some rainfall in February in Hartford10
11 days with some rainfall in March in Hartford11
11 days with some rainfall in April in Hartford11
12 days with some rainfall in May in Hartford12
11 days with some rainfall in June in Hartford11
9 days with some rainfall in July in Hartford9
10 days with some rainfall in August in Hartford10
9 days with some rainfall in September in Hartford9
8 days with some rainfall in October in Hartford8
11 days with some rainfall in November in Hartford11
12 days with some rainfall in December in Hartford12
Average monthly rainfall (inches)
3.3 inches monthly rainfall in January in Hartford3.3
3.1 inches monthly rainfall in February in Hartford3.1
3.6 inches monthly rainfall in March in Hartford3.6
3.9 inches monthly rainfall in April in Hartford3.9
4.0 inches monthly rainfall in May in Hartford4.0
3.7 inches monthly rainfall in June in Hartford3.7
3.5 inches monthly rainfall in July in Hartford3.5
3.7 inches monthly rainfall in August in Hartford3.7
3.7 inches monthly rainfall in September in Hartford3.7
3.5 inches monthly rainfall in October in Hartford3.5
3.9 inches monthly rainfall in November in Hartford3.9
3.8 inches monthly rainfall in December in Hartford3.8

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.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Hartford, 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 Hartford with the USA

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

Maximum daytime temperature (°F)

Hartford, Connecticut, USA
USA (Washington)
34
41
36
45
46
55
59
66
70
75
79
84
82
88
82
86
73
79
64
68
52
57
37
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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