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Old Jefferson climate
Typical historical weather for Old Jefferson, 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 Old Jefferson.
Annual average
20.7°C
across all months
Warmest month
32.9°C
Aug average high
Coolest month
5.9°C
Jan average low
Annual rainfall
1538mm
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
40.4°C
27 August 2023
Coldest day
-12.7°C
22 January 2025
Wettest day
222.5mm
13 August 2016
Windiest day
8.3m/s
13 July 2019
See the detail: Old Jefferson on 13 August 2016.