Sullivan climate

Typical historical weather for Sullivan, 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 Sullivan.

Annual average

14°C

across all months

Warmest month

31°C

Jul average high

Coolest month

-3.5°C

Jan average low

Annual rainfall

1137mm

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

38.8°C

22 July 2017

Coldest day

-21.2°C

23 December 2022

Wettest day

82.2mm

30 August 2019

Windiest day

7.7m/s

5 March 2025