North Branch’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 82°, a January night drops to 4°, and about 52 inches of snow falls in a normal winter.
A year in North Branch at a glance
Each month’s typical high and low, and what it brings.
What stands out about North Branch’s climate
Compared with towns across the U.S., with North Branch’s place in Minnesota beside it.
What a year in North Branch feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 128 frost-free days a year
In half of years the last 32° night comes by May 19 and the first by September 25. Frost and day counts come from NOAA’s station at Wild Rvr Sp, MN, 10 miles from the town’s center, at about the same height.
The 2023 USDA map puts North Branch’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. 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 52 inches of snow a winter
Snow, measured at Forest Lake 5ne, MN, falls mostly in December. Precipitation (rain plus melted snow) adds up to 32 inches a year; July is the wettest month and January the driest. Rain or snow falls on about 112 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in North Branch
95% 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 Wild Rvr Sp, MN.
Living with North Branch’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
128 frost-free days in zone 4b. The last frost comes by May 19 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 25.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 2.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in North Branch from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →North Branch and its neighbors
Every town next door is within a degree of North Branch in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like North Branch’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 |
|---|---|---|---|---|
| North Branch, MN | 4° | 82° | 32" | 52" |
| Wisconsin Rapids, WI | 7° | 82° | 34" | 48" |
| Spirit Lake, IA | 7° | 83° | 31" | 42" |
| Iron Mountain, MI | 5° | 80° | 29" | 61" |
| Plattsburgh, NY | 9° | 81° | 35" | 50" |
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 North Branch averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.7°).
A bigger shift than in 63% 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 North Branch compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with North Branch’s place among Minnesota’s.
North Branch weather by month
Highs, lows and precipitation from NOAA’s grid at North Branch’s center; snow, wet days and snow on the ground from Forest Lake 5ne, MN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 22° | 4° | 0.8" | 9.6" | 8 | 29 | 1° – 27° |
| February | 28° | 8° | 0.8" | 9.3" | 6 | 26 | 5° – 32° |
| March | 41° | 20° | 1.5" | 9.2" | 8 | 19 | 22° – 45° |
| April | 56° | 33° | 2.8" | 3.7" | 10 | 3 | 34° – 52° |
| May | 69° | 46° | 4.1" | 0.0" | 12 | 0 | 52° – 64° |
| June | 78° | 55° | 4.3" | 0.0" | 13 | 0 | 63° – 70° |
| July | 82° | 60° | 4.4" | 0.0" | 11 | 0 | 64° – 76° |
| August | 80° | 58° | 4.0" | 0.0" | 10 | 0 | 64° – 73° |
| September | 72° | 50° | 3.3" | 0.0" | 10 | 0 | 53° – 66° |
| October | 57° | 37° | 2.9" | 0.6" | 10 | 0 | 40° – 53° |
| November | 41° | 25° | 1.6" | 7.4" | 7 | 7 | 23° – 44° |
| December | 28° | 12° | 1.1" | 11.8" | 8 | 22 | 5° – 30° |
| Year | 54° | 34° | 31.7" | 51.6" | 112 | 106 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 5° to 32°. June is the most reliable, staying within 7°.
Where North Branch’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 North Branch’s center.
- Snow: Forest Lake 5ne, MN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wild Rvr Sp, MN, 10 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 North Branch’s climate
What is the weather like in North Branch?
A typical July afternoon reaches 82°, a January night drops to 4°, and about 52 inches of snow falls in a normal winter. Colder January nights than all but 156 U.S. towns; cooler July afternoons than 82% of U.S. towns.
How cold does it get in North Branch in winter?
January nights average 4°. About 183 nights a year reach 32° or below and 42 reach 0° or below. In the coldest January of the last 30 years the month averaged 1°.
How much snow does North Branch get?
About 52 inches in a normal winter at Forest Lake 5ne, MN, most of it in December, with snow on the ground about 106 days a year.
How hot does it get in North Branch?
July, with a typical high of 82° and a low of 60°. About 10 days a year reach 90° (Wild Rvr Sp, MN).
When is the first and last frost in North Branch?
In half of years the last spring frost (32°) comes by May 19 and the first fall frost by September 25, about 128 frost-free days, at Wild Rvr Sp, MN.
What growing zone is North Branch in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit North Branch?
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 North Branch getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in North Branch.
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.