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Fort Sumner climate
Typical historical weather for Fort Sumner, 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 Fort Sumner.
Annual average
16°C
across all months
Warmest month
34.5°C
Jul average high
Coolest month
-1.8°C
Jan average low
Annual rainfall
298mm
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
42.6°C
11 July 2020
Coldest day
-17.2°C
14 February 2021
Wettest day
117.6mm
20 August 2022
Windiest day
12.6m/s
13 March 2019
See the detail: Fort Sumner on 20 August 2022.