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Plymouth, Minnesota climate
Dfa Hot-summer humid continental
Plymouth has a strongly seasonal cool-temperate climate (Hot-summer humid continental, Köppen Dfa). The hottest month is July with an average daily high near 84°F, while the coldest is January averaging around 8°F at night. Precipitation totals about 31 inches a year and is strongly seasonal — June alone averages 4.7 inches while February barely receives 0.62 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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 countsPlymouth climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 24 | 29 | 42 | 57 | 70 | 79 | 84 | 81 | 74 | 59 | 43 | 29 |
| Avg temp (°F) | 16 | 20 | 33 | 47 | 60 | 69 | 74 | 71 | 64 | 50 | 35 | 22 |
| Avg low (°F) | 8 | 12 | 24 | 37 | 49 | 59 | 64 | 62 | 53 | 40 | 27 | 14 |
| Precipitation (in) | 0.7 | 0.6 | 1.5 | 2.7 | 3.9 | 4.7 | 4.3 | 4.7 | 3.1 | 2.3 | 1.4 | 0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 24 | 29 | 42 | 57 | 70 | 79 |
| Avg temp (°F) | 16 | 20 | 33 | 47 | 60 | 69 |
| Avg low (°F) | 8 | 12 | 24 | 37 | 49 | 59 |
| Precipitation (in) | 0.7 | 0.6 | 1.5 | 2.7 | 3.9 | 4.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 81 | 74 | 59 | 43 | 29 |
| Avg temp (°F) | 74 | 71 | 64 | 50 | 35 | 22 |
| Avg low (°F) | 64 | 62 | 53 | 40 | 27 | 14 |
| Precipitation (in) | 4.3 | 4.7 | 3.1 | 2.3 | 1.4 | 0.9 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 4 | 6 | 10 | 13 | 12 | 9 | 10 | 9 | 10 | 5 | 4 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 1 | 2 | 6 | 2 | 1 | — | — | — |
| Days with low ≤ 32°F (days) | 29 | 26 | 22 | 8 | 0.3 | — | — | — | 0.1 | 6 | 20 | 29 |
| Days with snowfall ≥ 1 in (days) | 0.6 | 0.4 | 0.2 | 0.1 | — | — | — | — | — | — | 0.1 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 4 | 6 | 10 | 13 | 12 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 1 | 2 |
| Days with low ≤ 32°F (days) | 29 | 26 | 22 | 8 | 0.3 | — |
| Days with snowfall ≥ 1 in (days) | 0.6 | 0.4 | 0.2 | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 10 | 9 | 10 | 5 | 4 |
| Days with high ≥ 90°F (days) | 6 | 2 | 1 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.1 | 6 | 20 | 29 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | 0.1 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 61 | 67 | 64 | 65 | 61 | 49 | 52 | 52 | 62 | 64 | 66 |
| Clear days (≤ 30% cloud) | 5 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 9 | 7 | 5 | 5 |
| Partly cloudy days (30–70%) | 12 | 11 | 10 | 10 | 10 | 10 | 15 | 12 | 10 | 8 | 10 | 10 |
| Cloudy days (≥ 70%) | 13 | 12 | 17 | 15 | 16 | 14 | 8 | 10 | 11 | 16 | 15 | 16 |
| Relative humidity (%) | 89 | 86 | 77 | 71 | 71 | 73 | 72 | 71 | 70 | 73 | 80 | 88 |
| Wind speed (mph) | 8.3 | 8.4 | 8.3 | 8.3 | 7.4 | 6.4 | 5.6 | 5.5 | 6.6 | 7.2 | 7.4 | 7.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 61 | 67 | 64 | 65 | 61 |
| Clear days (≤ 30% cloud) | 5 | 5 | 5 | 5 | 5 | 6 |
| Partly cloudy days (30–70%) | 12 | 11 | 10 | 10 | 10 | 10 |
| Cloudy days (≥ 70%) | 13 | 12 | 17 | 15 | 16 | 14 |
| Relative humidity (%) | 89 | 86 | 77 | 71 | 71 | 73 |
| Wind speed (mph) | 8.3 | 8.4 | 8.3 | 8.3 | 7.4 | 6.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 52 | 52 | 62 | 64 | 66 |
| Clear days (≤ 30% cloud) | 8 | 9 | 9 | 7 | 5 | 5 |
| Partly cloudy days (30–70%) | 15 | 12 | 10 | 8 | 10 | 10 |
| Cloudy days (≥ 70%) | 8 | 10 | 11 | 16 | 15 | 16 |
| Relative humidity (%) | 72 | 71 | 70 | 73 | 80 | 88 |
| Wind speed (mph) | 5.6 | 5.5 | 6.6 | 7.2 | 7.4 | 7.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Minneapolis Flying Cloud AP (NOAA GHCN station USW00094963), about 20 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.