Jefferson climate

Typical historical weather for 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 Jefferson.

Annual average

8.5°C

across all months

Warmest month

27.1°C

Jul average high

Coolest month

-8.3°C

Jan average low

Annual rainfall

1124mm

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

37.7°C

24 June 2025

Coldest day

-27.3°C

4 February 2023

Wettest day

67.8mm

9 July 2021

Windiest day

9.3m/s

23 December 2022