Two Harbors, MN climate
Two Harbors has cold, snowy winters and cool summers. A typical July afternoon reaches 75°, a January night drops to 4°, and about 61 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Two Harbors feels like
Winter
Spring
Summer
Fall
Two Harbors 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 21° | 4° | 1.0" | 12.4" | 10 | 1° – 25° |
| February | 26° | 7° | 1.0" | 13.6" | 9 | 6° – 30° |
| March | 36° | 19° | 1.4" | 9.1" | 9 | 19° – 38° |
| April | 47° | 29° | 2.5" | 4.3" | 10 | 32° – 44° |
| May | 58° | 38° | 3.1" | 0 | 13 | 44° – 53° |
| June | 68° | 47° | 4.1" | 0 | 13 | 54° – 60° |
| July | 75° | 54° | 3.8" | 0 | 12 | 60° – 71° |
| August | 74° | 55° | 3.3" | 0 | 11 | 59° – 68° |
| September | 66° | 48° | 3.2" | 0 | 12 | 50° – 61° |
| October | 53° | 36° | 2.9" | 0.2" | 12 | 38° – 48° |
| November | 38° | 24° | 1.9" | 5.9" | 9 | 22° – 40° |
| December | 26° | 12° | 1.4" | 15.5" | 10 | 7° – 28° |
| Year | 49° | 31° | 29.6" | 61.0" | 128 |
“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 Two Harbors
Two Harbors gets 30 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 128 days a year.
About 145 frost-free days a year
In half of years the last 32° night comes by May 12 and the first one by October 6. That leaves about 145 frost-free days for gardens, shorter than 85% of U.S. towns.
Heating and cooling a home in Two Harbors
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Two Harbors, 98% of that work is heating and 2% 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.
Two Harbors and its neighbors
Two Harbors borders 1 town with climate data. January nights across them vary by 4.7°. Silver Creek has both the coldest January nights (0°) and the hottest July afternoons (77°). Two Harbors’s January low is 4° and its July high 75°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Two Harbors 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 Two Harbors averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.3°). The shift is larger than in 61% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Two Harbors’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 1° to 25°. June is the most reliable, staying within 6°.
Common questions about Two Harbors’s climate
What is the coldest month in Two Harbors?
January, with a typical high of 21° and a low of 4°.
What is the hottest month in Two Harbors?
July, with a typical high of 75° and a low of 54°. About 1 days a year reach 90°.
How much snow does Two Harbors get?
About 61 inches in a normal winter, most of it in December.
When is the first frost in Two Harbors?
In half of years the first 32° night comes by October 6, and the last spring frost by May 12.
What is the rainiest month in Two Harbors?
June, with 4.1 inches of rain and melted snow. The year totals 30 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Two Harbors itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Two Harbors, MN (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.