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International Falls, Minnesota climate
Dfb Warm-summer humid continental
International Falls has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 78°F, while the coldest is January averaging around −6°F at night. Precipitation totals about 25 inches a year and is strongly seasonal — July alone averages 4.0 inches while February barely receives 0.69 inches. Snowfall is heavy (73 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)International Falls climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 16 | 22 | 35 | 50 | 64 | 74 | 78 | 76 | 66 | 51 | 34 | 21 |
| Avg temp (°F) | 5 | 10 | 24 | 38 | 51 | 61 | 65 | 63 | 54 | 41 | 26 | 12 |
| Avg low (°F) | −6 | −3 | 12 | 26 | 38 | 48 | 52 | 50 | 42 | 31 | 18 | 3 |
| Precipitation (in) | 0.8 | 0.7 | 1.0 | 1.6 | 3.1 | 3.8 | 4.0 | 2.8 | 3.0 | 2.2 | 1.4 | 1.0 |
| Snowfall (in) | 15.7 | 12.6 | 7.9 | 7.0 | 0.2 | — | — | — | 0.1 | 1.6 | 12.1 | 15.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 16 | 22 | 35 | 50 | 64 | 74 |
| Avg temp (°F) | 5 | 10 | 24 | 38 | 51 | 61 |
| Avg low (°F) | −6 | −3 | 12 | 26 | 38 | 48 |
| Precipitation (in) | 0.8 | 0.7 | 1.0 | 1.6 | 3.1 | 3.8 |
| Snowfall (in) | 15.7 | 12.6 | 7.9 | 7.0 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 76 | 66 | 51 | 34 | 21 |
| Avg temp (°F) | 65 | 63 | 54 | 41 | 26 | 12 |
| Avg low (°F) | 52 | 50 | 42 | 31 | 18 | 3 |
| Precipitation (in) | 4.0 | 2.8 | 3.0 | 2.2 | 1.4 | 1.0 |
| Snowfall (in) | — | — | 0.1 | 1.6 | 12.1 | 15.8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 9 | 8 | 9 | 13 | 14 | 13 | 11 | 12 | 13 | 10 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.5 | 0.9 | 0.5 | 0.1 | — | — | — |
| Days with low ≤ 32°F (days) | 31 | 28 | 29 | 23 | 9 | 0.6 | — | 0.1 | 5 | 17 | 27 | 31 |
| Days with snowfall ≥ 1 in (days) | 5 | 4 | 3 | 2 | 0.1 | — | — | — | 0.1 | 0.7 | 4 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 9 | 8 | 9 | 13 | 14 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.5 |
| Days with low ≤ 32°F (days) | 31 | 28 | 29 | 23 | 9 | 0.6 |
| Days with snowfall ≥ 1 in (days) | 5 | 4 | 3 | 2 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 11 | 12 | 13 | 10 | 11 |
| Days with high ≥ 90°F (days) | 0.9 | 0.5 | 0.1 | — | — | — |
| Days with low ≤ 32°F (days) | — | 0.1 | 5 | 17 | 27 | 31 |
| Days with snowfall ≥ 1 in (days) | — | — | 0.1 | 0.7 | 4 | 5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 66 | 65 | 65 | 67 | 67 | 58 | 58 | 64 | 72 | 74 | 71 |
| Relative humidity (%) | 97 | 95 | 84 | 71 | 70 | 71 | 70 | 68 | 72 | 78 | 85 | 94 |
| Wind speed (mph) | 2.6 | 2.8 | 3.0 | 2.8 | 2.3 | 2.2 | 2.1 | 2.1 | 2.2 | 2.2 | 2.1 | 2.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 66 | 65 | 65 | 67 | 67 |
| Relative humidity (%) | 97 | 95 | 84 | 71 | 70 | 71 |
| Wind speed (mph) | 2.6 | 2.8 | 3.0 | 2.8 | 2.3 | 2.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 64 | 72 | 74 | 71 |
| Relative humidity (%) | 70 | 68 | 72 | 78 | 85 | 94 |
| Wind speed (mph) | 2.1 | 2.1 | 2.2 | 2.2 | 2.1 | 2.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Intl Falls Intl AP (NOAA GHCN station USW00014918), about 5 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.