Le Mars, IA Weather & Climate Normals
What a normal year in Le Mars actually looks like
On the 30-year record NOAA keeps for Le Mars, IA, the comfort score comes out to 43/100, 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 Le Mars's weather actually swings
Average temperatures in Le Mars run from 17°F in Jan up to 73°F in Jul, a 55.8°F seasonal swing, one of the widest gaps in this dataset.
Le Mars, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 27°F | 7°F | 0.72in | 7.8in |
| Feb | 32°F | 11°F | 0.87in | 7.5in |
| Mar | 46°F | 23°F | 1.85in | 4.6in |
| Apr | 60°F | 34°F | 3.07in | 1.9in |
| May | 72°F | 47°F | 3.9in | 0.1in |
| Jun | 81°F | 58°F | 4.64in | 0in |
| Jul | 85°F | 62°F | 3.11in | 0in |
| Aug | 82°F | 59°F | 3.95in | 0in |
| Sep | 76°F | 50°F | 3.14in | 0in |
| Oct | 63°F | 37°F | 2.4in | 0.4in |
| Nov | 46°F | 24°F | 1.3in | 2.6in |
| Dec | 32°F | 13°F | 1.04in | 6in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Le Mars's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Le Mars actually gets
Over a typical year, Le Mars sees about 29.99in of precipitation a year across roughly 77 days with measurable rain or snow, with 30.9in of snow a year.
Le Mars against the rest of the country
Out of 4876 cities scored here, Le Mars comes in at 4065; within IA alone it ranks 36 of 85. Population is about 10,674.
Checking the actual forecast
These figures come from Le Mars, IA US, the NOAA station 1.4 miles from Le Mars, 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