Le Mars (IA) Temperature by Month
Le Mars in Iowa, United States of America sees significant seasonal temperature differences, with daytime highs between -2°C (28°F) in January and 30°C (86°F) in July, averaging 15°C (59°F) annually. Explore the full monthly breakdown below.
Le Mars Monthly Temperatures
Depending on the time of the year, temperatures range from warm to very cold in Le Mars. Nighttime lows follow the same pattern, ranging from 17°C (63°F) to -13°C (9°F).
The chart below illustrates the average maximum day and minimum night temperatures in Le Mars by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM.
The chart below shows the average temperature throughout the year:
Temperature: Le Mars vs the United States of America
The map below shows the annual temperature across the United States of America. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Le Mars vs World: Temperature Compared
Le Mars's average annual maximum temperature is 15°C (59°F). To put that in context, here's how it compares to a few well-known destinations:
Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Seoul, South Korea averages 18°C (64°F) a year, with four clear seasons, cold winters, and hot humid summers.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Le Mars this rarely lasts long on the ground.
For more on Le Mars's weather — including monthly rainfall, sunshine hours, and humidity — visit our Le Mars climate page.
