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Weather & Climate

Wilton, California, United States

Overview

Climate data and monthly weather averages for Wilton.

Key Metrics

Annual Avg
16.6°C
Summer Avg
24.3°C
Winter Avg
9.2°C
Record High
46.6°C
Record Low
-4.6°C
Annual Precipitation
567.3 mm
Avg Humidity
59%
Summer Humidity
44%
Winter Humidity
73%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan25.1°8.9°-4.2°91.874%6873.7
Feb24.8°9.9°-3.2°93.575%9359.7
Mar28.6°11.9°-1.6°88.775%14459
Apr34.1°14.1°0.8°50.470%18548.6
May41.4°18.2°3.6°23.361%23239.5
Jun44.4°22.7°5.448%24938.2
Jul46.6°25.5°10.5°0.641%25533.5
Aug44.5°24.8°11.1°0.942%22832.9
Sep45.9°23.1°8.3°4.242%17932.3
Oct41.6°18.5°4.5°30.147%13354.4
Nov30.6°12.8°-3.2°6060%8350.4
Dec24.5°8.8°-4.6°118.471%6162.1

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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