Climate LabBoston, United States

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
7
8
12
15
23
27
29
29
24
20
17
10
18
Daily mean°C
1
2
6
10
15
21
25
24
19
14
9
4
12
Daily low°C
-5
-5
1
5
9
16
20
19
14
9
2
-2
7
Thermal comfort
High feels°C
5
8
13
18
26
31
34
34
28
24
16
7
20
Mean feels°C
-6
-4
1
7
16
24
28
27
19
12
3
-4
10
Low feels°C
-19
-17
-13
-6
2
16
20
18
9
2
-9
-15
-1
Humidity
Humidity%
62
63
59
63
58
69
74
73
76
77
61
68
67
Dewpoint°C
-3.9
-4.3
-1.7
2.2
7.1
15.4
19.1
17.1
13.7
8.9
1.0
-3.0
6.0
Precipitation
Rainfallmm
74
58
98
96
48
68
78
85
114
88
67
136
1008
Rain days≥1mm
7
5
12
11
8
10
11
11
9
9
7
11
111
Snowfallmm
25
18
1
0
0
0
0
0
0
0
0
3
46
Snow days≥1mm
3
4
0
0
0
0
0
0
0
0
0
1
8
Wind
Wind avgm/s
4.1
4.2
4.4
4.0
3.6
3.1
3.0
3.1
3.2
3.5
4.3
4.0
3.7
Wind gustsm/s
8.3
7.9
8.3
8.6
6.8
6.1
6.0
5.7
6.2
7.2
7.2
7.3
7.1
Sun & UV
Sunshinehrs/day
6.3
7.6
8.7
9.0
11.2
11.6
11.5
10.3
8.9
8.3
7.9
6.0
8.9
Clear skyindex
40%
44%
44%
38%
42%
46%
44%
46%
41%
54%
60%
40%
45%
UV indexmax avg
1.2
2.1
3.4
4.5
5.8
6.9
6.6
5.6
4.7
2.9
1.7
1.1
3.9
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across United States

Boston: -12.3 °C. Typical range in United States: -12.9-0.8 °C. Low anchor: Anchorage, -21.6 °C. High anchor: Kailua, 16.7 °C.

2,121 cities tracked