Hardly any U.S. towns see harsher January nights than Willernie
High summer brings afternoon highs near 82°. In July, afternoons here are cooler than in 83% of U.S. towns. January has warmed most since 1901–2000, part of a 1.5° rise. Comfortable outdoor weather lasts from May to September, with highs of 68–82°.
A year in Willernie at a glance
Each month’s typical high and low, and what it brings.
What stands out about Willernie’s climate
Compared with towns across the U.S., with Willernie’s place in Minnesota beside it.
What a year in Willernie feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 177 frost-free days a year
In half of years the last 32° night comes by April 23 and the first by October 20. Frost and day counts come from NOAA’s station at Vadnais Lake, MN, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Willernie’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −20°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 40 inches of snow a winter
Snow, measured at U Of Mn St Paul, MN, falls mostly in February. Precipitation (rain plus melted snow) adds up to 33 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 116 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Willernie
90% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Vadnais Lake, MN.
Living with Willernie’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
177 frost-free days in zone 5a. The last frost comes by Apr 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 20.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Willernie from natural hazards, river flooding is the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Willernie and similar climates
TownRatings has no climate map of the towns around Willernie yet.
Climates most like Willernie’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Willernie, MN | 7° | 82° | 33" | 40" |
| Wisconsin Rapids, WI | 7° | 82° | 34" | 48" |
| Spirit Lake, IA | 7° | 83° | 31" | 42" |
| Plattsburgh, NY | 9° | 81° | 35" | 50" |
| Brookings, SD | 5° | 82° | 27" | 36" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Willernie averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.5°).
A bigger shift than in 57% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Willernie compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Willernie’s place among Minnesota’s.
Willernie weather by month
Highs, lows and precipitation from NOAA’s grid at Willernie’s center; snow, wet days and snow on the ground from U Of Mn St Paul, MN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 22° | 7° | 0.8" | 8.3" | 7 | 20 | 3° – 27° |
| February | 28° | 10° | 0.8" | 12.3" | 6 | 16 | 6° – 31° |
| March | 41° | 22° | 1.6" | 4.0" | 9 | 9 | 23° – 46° |
| April | 56° | 35° | 2.9" | 2.1" | 10 | 2 | 34° – 53° |
| May | 68° | 47° | 4.2" | 0.0" | 13 | 0 | 53° – 65° |
| June | 78° | 57° | 4.7" | 0.0" | 13 | 0 | 64° – 71° |
| July | 82° | 62° | 4.2" | 0.0" | 11 | 0 | 66° – 77° |
| August | 80° | 60° | 4.7" | 0.0" | 11 | 0 | 65° – 74° |
| September | 71° | 52° | 3.4" | 0.0" | 11 | 0 | 54° – 66° |
| October | 57° | 39° | 2.8" | 0.5" | 10 | 0 | 41° – 53° |
| November | 41° | 26° | 1.6" | 3.0" | 7 | 3 | 24° – 45° |
| December | 28° | 13° | 1.1" | 10.2" | 8 | 12 | 7° – 29° |
| Year | 54° | 36° | 32.9" | 40.4" | 116 | 62 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 6° to 31°. June is the most reliable, staying within 8°.
Where Willernie’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Willernie’s center.
- Snow: U Of Mn St Paul, MN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Vadnais Lake, MN, 7 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Willernie’s climate
What is the weather like in Willernie?
A typical July afternoon reaches 82°, a January night drops to 7°, and about 40 inches of snow falls in a normal winter. Colder January nights than 97% of U.S. towns; cooler July afternoons than 83% of U.S. towns.
How cold does it get in Willernie in winter?
January nights average 7°. About 157 nights a year reach 32° or below and 28 reach 0° or below. In the coldest January of the last 30 years the month averaged 3°.
How much snow does Willernie get?
About 40 inches in a normal winter at U Of Mn St Paul, MN, most of it in February, with snow on the ground about 62 days a year.
How hot does it get in Willernie?
July, with a typical high of 82° and a low of 62°. About 12 days a year reach 90° (Vadnais Lake, MN).
When is the first and last frost in Willernie?
In half of years the last spring frost (32°) comes by April 23 and the first fall frost by October 20, about 177 frost-free days, at Vadnais Lake, MN.
What growing zone is Willernie in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −20°.
What is the best time of year to visit Willernie?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Willernie getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 57% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Willernie.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.