Spring (March–May): Average 42–62°F, climate gradually warming from cold, higher rainfall, especially in March and April. Common activities: Outdoor walks, flower viewing. Suggested clothing: Jacket, comfortable long pants or jeans, and bring rain gear.
Summer (June–August): Average 70–77°F, hot and humid, with the most rainfall in July. Common activities: Swimming, picnics, outdoor sports. Suggested clothing: Light and breathable clothing, shorts, sandals, and apply sunscreen.
Autumn (September–November): Average 66–45°F, temperatures gradually decreasing, relatively less rainfall, but keep warm. Common activities: Leaf peeping, hiking. Suggested clothing: Light jacket, long-sleeved clothing, and comfortable shoes.
Winter (December–February): Average 36–35°F, cold with higher rainfall, pay attention to keeping warm. Common activities: Indoor activities, such as visiting museums and art galleries. Suggested clothing: Heavy coat, sweater, scarf, gloves, and hat.
Hartford climatological average
Annual average temperature: approx. 53.6°F / Annual rainfall: approx. 1344 mm / Summer humidity: 65%–75% / Rainiest month: July
Hartford monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
32.9°F
136
February
35.1°F
69.3
March
42.6°F
130
April
52.2°F
130.7
May
62.6°F
76.7
June
70.3°F
56.7
July
77.4°F
181.3
August
73.9°F
117
September
66.2°F
160
October
55.9°F
72.3
November
45.9°F
72.3
December
36.9°F
142
Hartford weather for the next seven days
12/15
Monday
Sunny
29.5°F/12.4°F
12/16
Tuesday
Sunny
32.7°F/22.6°F
12/17
Wednesday
Overcast
41.2°F/27°F
12/18
Thursday
Partly Cloudy
38.3°F/27.7°F
12/19
Friday
Heavy rain
54.9°F/29.3°F
12/20
Saturday
Partly Cloudy
32.9°F/24.8°F
12/21
Sunday
Patchy rain nearby
40.1°F/32.7°F
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