Home / United States / Grain Valley
Grain Valley climate
Typical historical weather for Grain Valley, 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 Grain Valley.
Annual average
13.7°C
across all months
Warmest month
30.8°C
Jul average high
Coolest month
-4.9°C
Jan average low
Annual rainfall
1047mm
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
25 August 2023
Coldest day
-28°C
16 February 2021
Wettest day
91.4mm
6 October 2016
Windiest day
8.8m/s
15 December 2021
See the detail: Grain Valley on 6 October 2016.