Weldon Spring, MO Weather & Climate Normals
What a normal year in Weldon Spring actually looks like
On the 30-year record NOAA keeps for Weldon Spring, MO, the comfort score comes out to 48/100, 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 Weldon Spring's weather actually swings
Average temperatures in Weldon Spring run from 30°F in Jan up to 77°F in Jul, a 47.1°F seasonal swing, one of the widest gaps in this dataset.
Weldon Spring, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 39°F | 21°F | 2.61in | 4.1in |
| Feb | 45°F | 24°F | 2.43in | 3.7in |
| Mar | 55°F | 33°F | 3.74in | 1.7in |
| Apr | 67°F | 44°F | 4.7in | 0.2in |
| May | 76°F | 54°F | 5.09in | 0in |
| Jun | 84°F | 63°F | 4.72in | 0in |
| Jul | 88°F | 67°F | 3.92in | 0in |
| Aug | 87°F | 65°F | 3.58in | 0in |
| Sep | 80°F | 57°F | 3.5in | 0in |
| Oct | 68°F | 46°F | 3.37in | 0in |
| Nov | 55°F | 35°F | 3.69in | 0.8in |
| Dec | 44°F | 26°F | 3.07in | 3in |
If you're timing a visit, Apr, May, Jun, Sep, and Oct are Weldon Spring's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Weldon Spring actually gets
Over a typical year, Weldon Spring sees about 44.42in of precipitation a year across roughly 107 days with measurable rain or snow, with 13.5in of snow a year.
Weldon Spring against the rest of the country
Out of 4876 cities scored here, Weldon Spring comes in at 2520; within MO alone it ranks 58 of 135. Population is about 5,304.
Checking the actual forecast
These figures come from Weldon Spring Nws, MO US, the NOAA station 1.8 miles from Weldon Spring, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is