Dewey Township has some of the coldest winter nights among U.S. towns
On a normal July day the thermometer tops out near 79°. The seasons are far apart: from a winter night to a summer afternoon the average spans 84°. By July afternoons alone, it runs cooler than 94% of U.S. towns. Homes need heating from October to April, the months averaging under 50°.
A year in Dewey Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dewey Township’s climate
Compared with towns across the U.S., with Dewey Township’s place in Minnesota beside it.
What a year in Dewey Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 23 inches of rain a year
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Living with Dewey Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 3b.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 14 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Dewey Township from natural hazards, river flooding is the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dewey Township and its neighbors
Every town next door is within a degree of Dewey Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Dewey Township averaged 2.4° warmer than the 1900s. The biggest change is in January (+4.8°).
A bigger shift than in all but 129 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 Dewey Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dewey Township’s place among Minnesota’s.
Dewey Township weather by month
Highs, lows and precipitation from NOAA’s grid at Dewey Township’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 14° | −5° | 0.7" | −9° – 21° |
| February | 20° | 0° | 0.6" | 0° – 26° |
| March | 34° | 14° | 0.8" | 13° – 37° |
| April | 51° | 29° | 1.2" | 30° – 49° |
| May | 66° | 41° | 3.1" | 47° – 61° |
| June | 75° | 52° | 4.0" | 58° – 69° |
| July | 79° | 56° | 3.6" | 60° – 72° |
| August | 78° | 53° | 2.7" | 59° – 69° |
| September | 68° | 45° | 2.6" | 51° – 63° |
| October | 52° | 33° | 1.9" | 33° – 48° |
| November | 34° | 19° | 1.0" | 15° – 40° |
| December | 20° | 4° | 0.9" | −3° – 22° |
| Year | 49° | 28° | 23.2" |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -9° to 21°. June is the most reliable, staying within 10°.
Where Dewey Township’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 Dewey Township’s center.
- 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 Dewey Township’s climate
What is the weather like in Dewey Township?
A typical July afternoon reaches 79°, a January night drops to −5°. Colder January nights than all but 13 U.S. towns; cooler July afternoons than 94% of U.S. towns.
How cold does it get in Dewey Township in winter?
January nights average −5°. In the coldest January of the last 30 years the month averaged −9°.
How hot does it get in Dewey Township?
July, with a typical high of 79°. 90° days are rare.
What growing zone is Dewey Township in?
Zone 3b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −32°.
What is the best time of year to visit Dewey Township?
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 Dewey Township getting warmer?
Yes: 1991–2020 averaged 2.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than all but 129 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dewey Township.
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.