Climate Insights for Chatham

Hawaii County, Massachusetts, United States

Based on 10 years of historical weather data

Current Season

What season is it in Chatham?

Astronomical Season

winter

Based on Earth's position relative to the sun

Meteorological Season

winter

Based on temperature cycles and weather patterns

spring begins on March 20, 2026 (58 days from now)

Season Timeline for 2026

spring
Mar 20
Next
summer
Jun 21
Future
fall
Sep 23
Future
winter
Dec 21
Current

Hottest Month

August
Peak: 22°C
Average: 21°C

Coldest Month

February
Low: 1°C
Average: 3°C

Wettest Month

January
137 mm rain
20 mm snow

Best Time to Visit

June & July
Comfortable temps & low rain
Monthly Climate Data
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan Current
1 °C
5 °C
44 km/h
137 mm
20 cm
Feb
1 °C
5 °C
43 km/h
115 mm
21 cm
Mar
2 °C
6 °C
43 km/h
115 mm
13 cm
Apr
6 °C
8 °C
38 km/h
96 mm
2 cm
May
10 °C
12 °C
33 km/h
90 mm
0 cm
Jun
15 °C
17 °C
30 km/h
68 mm
0 cm
Jul
19 °C
21 °C
29 km/h
70 mm
0 cm
Aug
20 °C
22 °C
28 km/h
67 mm
0 cm
Sep
18 °C
19 °C
31 km/h
116 mm
0 cm
Oct
13 °C
16 °C
36 km/h
134 mm
0 cm
Nov
8 °C
11 °C
41 km/h
80 mm
1 cm
Dec
4 °C
8 °C
42 km/h
124 mm
5 cm
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Metric (°C, km/h)
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