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Bethel Island climate
Typical historical weather for Bethel Island, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Bethel Island.
Annual average
16.2°C
across all months
Warmest month
29.5°C
Aug average high
Coolest month
6.4°C
Dec average low
Annual rainfall
490mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
40.8°C
6 September 2022
Coldest day
-1°C
22 December 2017
Wettest day
87mm
24 October 2021
Windiest day
8.1m/s
4 February 2024
See the detail: Bethel Island on 24 October 2021.