Hazelwood, MO Weather & Climate Normals
What a normal year in Hazelwood actually looks like
On the 30-year record NOAA keeps for Hazelwood, MO, the comfort score comes out to 42/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Hazelwood's weather actually swings
Average temperatures in Hazelwood run from 32°F in Jan up to 80°F in Jul, a 48.3°F seasonal swing, one of the widest gaps in this dataset.
How wet Hazelwood actually gets
Over a typical year, Hazelwood sees about 41.7in of precipitation a year across roughly 114 days with measurable rain or snow, with 16.6in of snow a year.
Hazelwood against the rest of the country
Out of 4876 cities scored here, Hazelwood comes in at 4198; within MO alone it ranks 110 of 135. Population is about 24,951.
Checking the actual forecast
These figures come from ST LOUIS LAMBERT INTL AP, MO US, the NOAA station 3.2 miles from Hazelwood, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated