Photo: Myotus · CC BY-SA 4.0Crosby has some of the coldest winter nights among U.S. towns
In July the day’s top temperature is typically 80°. Summers stay cool: July afternoons here are cooler than in 93% of U.S. towns. Warming shows here too: 2.0° more than in 1901–2000, led by January. Seedlings are safe outdoors from about May 13, with the first autumn frost due around September 27.
A year in Crosby at a glance
Each month’s typical high and low, and what it brings.
What stands out about Crosby’s climate
Compared with towns across the U.S., with Crosby’s place in Minnesota beside it.
What a year in Crosby feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 138 frost-free days a year
In half of years the last 32° night comes by May 13 and the first by September 27. Frost and day counts come from NOAA’s station at Brainerd Crow Wing Co Airport, 11 miles from the town’s center, at about the same height.
The 2023 USDA map puts Crosby’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −27°. 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 39 inches of snow a winter
Snow, measured at Pine Rvr Dam, MN, falls mostly in December. Precipitation (rain plus melted snow) adds up to 29 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 Crosby
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Brainerd Crow Wing Co Airport.
Living with Crosby’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
138 frost-free days in zone 4a. The last frost comes by May 13 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 27.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 2.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Crosby from natural hazards, river flooding is the largest share (55%); heat waves, cold waves, winter storms and ice storms together are 34%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Crosby and its neighbors
Every town next door is within a degree of Crosby in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Crosby’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 |
|---|---|---|---|---|
| Crosby, MN | 1° | 80° | 29" | 39" |
| Watertown, SD | 2° | 81° | 25" | 41" |
| Antigo, WI | 5° | 79° | 32" | 54" |
| Kingsford, MI | 5° | 80° | 29" | 61" |
| Grand Forks, ND | −2° | 81° | 22" | 49" |
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 Crosby averaged 2.0° warmer than the 1900s. The biggest change is in January (+4.0°).
A bigger shift than in 90% 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 Crosby compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Crosby’s place among Minnesota’s.
Crosby weather by month
Highs, lows and precipitation from NOAA’s grid at Crosby’s center; snow, wet days and snow on the ground from Pine Rvr Dam, MN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 19° | 1° | 0.7" | 7.3" | 7 | −2° – 25° |
| February | 26° | 4° | 0.7" | 8.0" | 6 | 5° – 30° |
| March | 38° | 17° | 1.3" | 5.9" | 7 | 18° – 41° |
| April | 53° | 30° | 2.2" | 3.0" | 8 | 33° – 50° |
| May | 66° | 42° | 3.5" | 0.1" | 13 | 49° – 61° |
| June | 75° | 53° | 4.4" | 0.0" | 14 | 60° – 68° |
| July | 80° | 58° | 4.5" | 0.0" | 12 | 61° – 74° |
| August | 77° | 55° | 3.5" | 0.0" | 11 | 61° – 70° |
| September | 69° | 47° | 3.0" | 0.0" | 12 | 51° – 64° |
| October | 54° | 36° | 2.8" | 1.0" | 11 | 37° – 50° |
| November | 38° | 22° | 1.4" | 4.1" | 7 | 21° – 41° |
| December | 24° | 9° | 1.0" | 9.8" | 7 | 3° – 26° |
| Year | 52° | 31° | 29.0" | 39.2" | 112 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -2° to 25°. June is the most reliable, staying within 9°.
Where Crosby’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 Crosby’s center.
- Snow: Pine Rvr Dam, MN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Brainerd Crow Wing Co Airport, 11 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 Crosby’s climate
What is the weather like in Crosby?
A typical July afternoon reaches 80°, a January night drops to 1°, and about 39 inches of snow falls in a normal winter. Colder January nights than all but 55 U.S. towns; cooler July afternoons than 93% of U.S. towns.
How cold does it get in Crosby in winter?
January nights average 1°. About 173 nights a year reach 32° or below and 40 reach 0° or below. In the coldest January of the last 30 years the month averaged −2°.
How much snow does Crosby get?
About 39 inches in a normal winter at Pine Rvr Dam, MN, most of it in December.
How hot does it get in Crosby?
July, with a typical high of 80° and a low of 58°. About 6 days a year reach 90° (Brainerd Crow Wing Co Airport).
When is the first and last frost in Crosby?
In half of years the last spring frost (32°) comes by May 13 and the first fall frost by September 27, about 138 frost-free days, at Brainerd Crow Wing Co Airport.
What growing zone is Crosby in?
Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −27°.
What is the best time of year to visit Crosby?
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 Crosby getting warmer?
Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 90% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Crosby.
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.