Rolling Green, MN climate
Rolling Green has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 7°, and about 47 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Rolling Green feels like
Winter
Spring
Summer
Fall
Rolling Green 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 24° | 7° | 0.8" | 10.4" | 8 | 27 | 4° – 27° |
| February | 28° | 11° | 0.8" | 9.1" | 7 | 21 | 8° – 31° |
| March | 41° | 23° | 1.7" | 7.3" | 8 | 13 | 25° – 48° |
| April | 57° | 35° | 3.3" | 4.1" | 11 | 2 | 33° – 53° |
| May | 69° | 47° | 4.4" | 0 | 13 | 0 | 52° – 64° |
| June | 79° | 58° | 4.9" | 0 | 12 | 0 | 65° – 72° |
| July | 82° | 62° | 3.8" | 0 | 9 | 0 | 65° – 78° |
| August | 80° | 59° | 3.7" | 0 | 9 | 0 | 64° – 74° |
| September | 74° | 51° | 3.3" | 0 | 9 | 0 | 55° – 67° |
| October | 60° | 38° | 2.3" | 0.4" | 9 | 0 | 42° – 54° |
| November | 43° | 25° | 1.4" | 5.4" | 7 | 6 | 24° – 46° |
| December | 29° | 13° | 1.1" | 10.5" | 8 | 22 | 6° – 29° |
| Year | 55° | 36° | 31.5" | 47.2" | 109 | 92 |
“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 Rolling Green
Rolling Green gets 32 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 109 days a year. Snow covers the ground about 92 days of the year.
About 171 frost-free days a year
In half of years the last 32° night comes by April 25 and the first one by October 14. That leaves about 171 frost-free days for gardens, shorter than 59% of U.S. towns.
Heating and cooling a home in Rolling Green
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Rolling Green, 91% of that work is heating and 9% 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.
Rolling Green and its neighbors
Rolling Green borders 4 towns with climate data. January nights across them vary by 0.1°. Welcome has the coldest January nights (7°) and Fairmont the hottest July afternoons (83°). Rolling Green’s January low is 7° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Rolling Green 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 Rolling Green averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.6°). The shift is smaller than in 58% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Rolling Green’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 4° to 27°. June is the most reliable, staying within 8°.
Common questions about Rolling Green’s climate
What is the coldest month in Rolling Green?
January, with a typical high of 24° and a low of 7°.
What is the hottest month in Rolling Green?
July, with a typical high of 82° and a low of 62°. About 11 days a year reach 90°.
How much snow does Rolling Green get?
About 47 inches in a normal winter, most of it in December.
When is the first frost in Rolling Green?
In half of years the first 32° night comes by October 14, and the last spring frost by April 25.
What is the rainiest month in Rolling Green?
June, with 4.9 inches of rain and melted snow. The year totals 32 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rolling Green itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Winnebago, MN (22 mi, snow) and Fairmont, MN (5 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.