Grain Valley, MO Weather & Climate Normals
What a normal year in Grain Valley actually looks like
On the 30-year record NOAA keeps for Grain Valley, MO, the comfort score comes out to 49/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Grain Valley's weather actually swings
Average temperatures in Grain Valley run from 31°F in Jan up to 79°F in Jul, a 48.4°F seasonal swing, one of the widest gaps in this dataset.
How wet Grain Valley actually gets
Grain Valley averages 38.34in of precipitation a year across roughly 103 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Grain Valley against the rest of the country
Out of 4876 cities scored here, Grain Valley comes in at 2139; within MO alone it ranks 20 of 135. Population is about 16,859.
Checking the actual forecast
These figures come from LEES SUMMIT MUNI AP, MO US, the NOAA station 9.2 miles from Grain Valley, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station