Le Mars (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Le Mars.
Climate overview of Le Mars
Le Mars, Iowa, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and January dropping to -2°C (28°F).
With around 841 mm (33 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has a distinct dry season from November to February, with warm summers and very cold winters.
Le Mars Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Le Mars - and find the best time to visit.
Monthly Temperature in Le Mars
Visitors to Le Mars can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Le Mars
Generally, Le Mars experiences moderate precipitation patterns, averaging 841 mm (33 in) yearly. The climate in Le Mars shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 138 mm (5.4 in) of precipitation over 12 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 17 mm (0.7 in) of snowfall over 6 snowy days. For more details, please visit our Le Mars Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Le Mars
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: September
- Warmest weather: July
- Fewest rainy days: January and November
- Climate seasons: a distinct dry season from November to February, with warm summers and very cold winters
- Best for winter weather: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Le Mars
What is the best time to visit Le Mars?
September typically offers the most optimal weather in Le Mars. In contrast, January, February, March and December tend to have less optimal conditions. Le Mars has a distinct dry season from November to February, with warm summers and very cold winters.
What temperatures can I expect in Le Mars?
Daytime highs range from -2°C (28°F) in January to 30°C (86°F) in July. Nighttime lows range from -13°C (9°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Le Mars get?
Annual rainfall is around 841 mm (33 in). June is the wettest month with 138 mm (5.4 in), while January is the driest with 17 mm (0.7 in).
Le Mars 3-Day Forecast
Le Mars (IA) 3-Day Forecast
Le Mars on the map
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