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Weather & Climate

Eastham, Massachusetts, United States

Overview

Climate data and monthly weather averages for Eastham.

Key Metrics

Annual Avg
10.6°C
Summer Avg
19°C
Winter Avg
2.8°C
Record High
27.8°C
Record Low
-15.4°C
Annual Precipitation
1257.6 mm
Avg Humidity
83%
Summer Humidity
87%
Winter Humidity
80%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan12.8°1.8°-15.4°101.781%5091.2
Feb11.5°1.6°-14.4°95.279%71100.3
Mar13.3°3.1°-10.7°120.980%11390
Apr19.3°6.6°-1°111.984%14690
May21.9°11°3.7°93.388%17165.2
Jun26.4°15.9°9.2°101.488%17654.9
Jul27.8°20.3°13.5°87.187%18563.7
Aug26.9°20.8°15.4°84.685%16781.8
Sep26.8°18.1°12°97.883%13365.3
Oct21.8°13.6°4.4°123.480%9393
Nov18.1°8.9°-4.5°111.680%5897.9
Dec15.6°4.9°-9.2°128.780%4381.7

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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