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Oshkosh, Wisconsin climate
Dfb Warm-summer humid continental
Oshkosh has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 82°F, while the coldest is January averaging around 10°F at night. Precipitation totals about 33 inches a year and is strongly seasonal — June alone averages 4.7 inches while February barely receives 1.13 inches. Winters bring significant snowfall (49 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 figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsOshkosh climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 25 | 29 | 41 | 54 | 67 | 77 | 82 | 79 | 72 | 58 | 43 | 31 |
| Avg temp (°F) | 18 | 20 | 31 | 44 | 57 | 67 | 71 | 70 | 61 | 49 | 36 | 24 |
| Avg low (°F) | 10 | 12 | 22 | 34 | 46 | 57 | 61 | 60 | 51 | 39 | 28 | 17 |
| Precipitation (in) | 1.4 | 1.1 | 1.9 | 3.2 | 3.6 | 4.7 | 3.8 | 3.6 | 3.2 | 2.8 | 2.1 | 1.8 |
| Snowfall (in) | 12.6 | 11.2 | 7.2 | 4.0 | 0.1 | — | — | — | — | 0.3 | 2.4 | 11.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 25 | 29 | 41 | 54 | 67 | 77 |
| Avg temp (°F) | 18 | 20 | 31 | 44 | 57 | 67 |
| Avg low (°F) | 10 | 12 | 22 | 34 | 46 | 57 |
| Precipitation (in) | 1.4 | 1.1 | 1.9 | 3.2 | 3.6 | 4.7 |
| Snowfall (in) | 12.6 | 11.2 | 7.2 | 4.0 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 79 | 72 | 58 | 43 | 31 |
| Avg temp (°F) | 71 | 70 | 61 | 49 | 36 | 24 |
| Avg low (°F) | 61 | 60 | 51 | 39 | 28 | 17 |
| Precipitation (in) | 3.8 | 3.6 | 3.2 | 2.8 | 2.1 | 1.8 |
| Snowfall (in) | — | — | — | 0.3 | 2.4 | 11.6 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 9 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 9 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.3 | 2 | 3 | 1 | 0.3 | — | — | — |
| Days with low ≤ 32°F (days) | 30 | 27 | 26 | 13 | 2 | — | — | — | 0.4 | 8 | 21 | 29 |
| Days with snowfall ≥ 1 in (days) | 4 | 4 | 2 | 1 | 0.0 | — | — | — | — | 0.1 | 0.8 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 9 | 12 | 12 | 12 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.3 | 2 |
| Days with low ≤ 32°F (days) | 30 | 27 | 26 | 13 | 2 | — |
| Days with snowfall ≥ 1 in (days) | 4 | 4 | 2 | 1 | 0.0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 11 | 10 | 11 | 9 | 10 |
| Days with high ≥ 90°F (days) | 3 | 1 | 0.3 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.4 | 8 | 21 | 29 |
| Days with snowfall ≥ 1 in (days) | — | — | — | 0.1 | 0.8 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 63 | 63 | 66 | 66 | 61 | 52 | 54 | 55 | 65 | 67 | 67 |
| Clear days (≤ 30% cloud) | 5 | 4 | 5 | 5 | 5 | 6 | 9 | 8 | 8 | 5 | 4 | 5 |
| Partly cloudy days (30–70%) | 10 | 11 | 11 | 9 | 11 | 11 | 13 | 12 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 16 | 13 | 15 | 16 | 16 | 13 | 9 | 11 | 12 | 16 | 16 | 17 |
| Relative humidity (%) | 91 | 89 | 80 | 75 | 75 | 77 | 75 | 75 | 75 | 78 | 82 | 89 |
| Wind speed (mph) | 8.4 | 8.8 | 8.3 | 8.2 | 7.1 | 6.1 | 5.7 | 5.5 | 6.3 | 7.1 | 7.3 | 7.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 63 | 63 | 66 | 66 | 61 |
| Clear days (≤ 30% cloud) | 5 | 4 | 5 | 5 | 5 | 6 |
| Partly cloudy days (30–70%) | 10 | 11 | 11 | 9 | 11 | 11 |
| Cloudy days (≥ 70%) | 16 | 13 | 15 | 16 | 16 | 13 |
| Relative humidity (%) | 91 | 89 | 80 | 75 | 75 | 77 |
| Wind speed (mph) | 8.4 | 8.8 | 8.3 | 8.2 | 7.1 | 6.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 54 | 55 | 65 | 67 | 67 |
| Clear days (≤ 30% cloud) | 9 | 8 | 8 | 5 | 4 | 5 |
| Partly cloudy days (30–70%) | 13 | 12 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 9 | 11 | 12 | 16 | 16 | 17 |
| Relative humidity (%) | 75 | 75 | 75 | 78 | 82 | 89 |
| Wind speed (mph) | 5.7 | 5.5 | 6.3 | 7.1 | 7.3 | 7.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Appleton (NOAA GHCN station USC00470265), about 29 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.