Erin Prairie, WI climate
Erin Prairie has cold, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 5°, and about 50 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Erin Prairie feels like
Winter
Spring
Summer
Fall
Erin Prairie weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 22° | 5° | 0.9" | 8.1" | 6 | 3° – 27° |
| February | 28° | 9° | 0.9" | 12.6" | 5 | 5° – 31° |
| March | 40° | 21° | 1.6" | 6.9" | 7 | 21° – 47° |
| April | 55° | 33° | 2.8" | 4.7" | 10 | 34° – 52° |
| May | 68° | 45° | 4.2" | 0.8" | 13 | 51° – 64° |
| June | 77° | 55° | 5.0" | 0 | 13 | 62° – 70° |
| July | 81° | 60° | 4.2" | 0 | 10 | 64° – 75° |
| August | 79° | 58° | 4.6" | 0 | 10 | 63° – 72° |
| September | 71° | 50° | 3.5" | 0 | 10 | 53° – 65° |
| October | 57° | 37° | 2.9" | 0.6" | 11 | 41° – 52° |
| November | 41° | 24° | 1.7" | 2.3" | 7 | 23° – 44° |
| December | 27° | 12° | 1.2" | 13.7" | 9 | 6° – 30° |
| Year | 54° | 34° | 33.6" | 49.7" | 110 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Erin Prairie
Erin Prairie gets 34 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 110 days a year.
About 151 frost-free days a year
In half of years the last 32° night comes by May 5 and the first one by October 4. That leaves about 151 frost-free days for gardens, shorter than 80% of U.S. towns.
Heating and cooling a home in Erin Prairie
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Erin Prairie, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Erin Prairie and its neighbors
Erin Prairie borders 5 towns with climate data. January nights across them vary by 0.7°. Emerald has the coldest January nights (5°) and Richmond the hottest July afternoons (82°). Erin Prairie’s January low is 5° and its July high 81°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Erin Prairie compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Erin Prairie averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.5°). The shift is larger than in 69% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Erin Prairie’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 5° to 31°. June is the most reliable, staying within 8°.
Common questions about Erin Prairie’s climate
What is the coldest month in Erin Prairie?
January, with a typical high of 22° and a low of 5°.
What is the hottest month in Erin Prairie?
July, with a typical high of 81° and a low of 60°. About 4 days a year reach 90°.
How much snow does Erin Prairie get?
About 50 inches in a normal winter, most of it in December.
When is the first frost in Erin Prairie?
In half of years the first 32° night comes by October 4, and the last spring frost by May 5.
What is the rainiest month in Erin Prairie?
June, with 5.0 inches of rain and melted snow. The year totals 34 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Erin Prairie itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Roberts WWTP, WI (10 mi, snow) and Amery, WI (16 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.