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Weather & Climate

Brooklyn, Iowa, United States

Overview

Climate data and monthly weather averages for Brooklyn.

Key Metrics

Annual Avg
9.9°C
Summer Avg
23.2°C
Winter Avg
-4.3°C
Record High
43.2°C
Record Low
-36.2°C
Annual Precipitation
908.8 mm
Avg Humidity
76%
Summer Humidity
73%
Winter Humidity
84%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan13.3°-5.8°-36.2°26.384%6263.2
Feb22.4°-4.2°-25.4°33.982%8458.1
Mar25.8°3.1°-23.2°52.177%11961.5
Apr29.6°10.2°-8.6°91.273%14562.2
May35.6°16.3°-2.1°113.875%17452
Jun39.6°22.1°6.4°134.175%18749.2
Jul43.2°24.4°8.6°94.272%19737.9
Aug40.5°23°6.6°111.971%17135.4
Sep39.1°18.7°1.5°86.771%13749.4
Oct32.8°10.7°-5.5°74.173%9656.3
Nov24.2°3.6°-14.1°47.178%6458.9
Dec21.4°-3°-27.4°43.485%5165.4

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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