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Aberdeen, South Dakota climate
Dfb Warm-summer humid continental
Aberdeen has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 28°C, while the coldest is January averaging around −17°C at night. Precipitation totals about 568 mm a year and is strongly seasonal — June alone averages 93 mm while January barely receives 13 mm.
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 countsAberdeen climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −6 | −4 | 4 | 12 | 20 | 25 | 28 | 27 | 22 | 14 | 4 | −3 |
| Avg temp (°C) | −12 | −9 | −2 | 6 | 13 | 19 | 22 | 21 | 16 | 7 | −1 | −8 |
| Avg low (°C) | −17 | −14 | −7 | 0 | 7 | 13 | 15 | 14 | 9 | 1 | −7 | −13 |
| Precipitation (mm) | 13 | 15 | 24 | 49 | 86 | 93 | 86 | 60 | 55 | 53 | 19 | 15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −6 | −4 | 4 | 12 | 20 | 25 |
| Avg temp (°C) | −12 | −9 | −2 | 6 | 13 | 19 |
| Avg low (°C) | −17 | −14 | −7 | 0 | 7 | 13 |
| Precipitation (mm) | 13 | 15 | 24 | 49 | 86 | 93 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 27 | 22 | 14 | 4 | −3 |
| Avg temp (°C) | 22 | 21 | 16 | 7 | −1 | −8 |
| Avg low (°C) | 15 | 14 | 9 | 1 | −7 | −13 |
| Precipitation (mm) | 86 | 60 | 55 | 53 | 19 | 15 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 6 | 7 | 9 | 8 | 8 | 8 | 7 | 7 | 5 | 7 |
| Days with high ≥ 32°C (days) | — | — | — | — | 1 | 3 | 5 | 3 | 1 | 0.2 | — | — |
| Days with low ≤ 0°C (days) | 28 | 25 | 25 | 15 | 3 | — | — | — | 1 | 13 | 24 | 27 |
| Days with snowfall ≥ 2.5 cm (days) | 2 | 2 | 1 | 1 | — | — | — | — | — | 0.7 | 0.9 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 6 | 7 | 9 | 8 |
| Days with high ≥ 32°C (days) | — | — | — | — | 1 | 3 |
| Days with low ≤ 0°C (days) | 28 | 25 | 25 | 15 | 3 | — |
| Days with snowfall ≥ 2.5 cm (days) | 2 | 2 | 1 | 1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 8 | 7 | 7 | 5 | 7 |
| Days with high ≥ 32°C (days) | 5 | 3 | 1 | 0.2 | — | — |
| Days with low ≤ 0°C (days) | — | — | 1 | 13 | 24 | 27 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | 0.7 | 0.9 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 63 | 66 | 65 | 63 | 58 | 48 | 48 | 53 | 61 | 63 | 64 |
| Clear days (≤ 30% cloud) | 4 | 4 | 4 | 5 | 5 | 6 | 9 | 10 | 9 | 7 | 5 | 4 |
| Partly cloudy days (30–70%) | 13 | 12 | 12 | 10 | 11 | 12 | 15 | 13 | 11 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 14 | 13 | 16 | 15 | 15 | 12 | 7 | 8 | 10 | 15 | 14 | 15 |
| Relative humidity (%) | 87 | 81 | 70 | 63 | 62 | 64 | 61 | 60 | 61 | 67 | 76 | 85 |
| Wind speed (km/h) | 12.3 | 13.2 | 14.0 | 14.1 | 13.1 | 11.5 | 10.2 | 10.4 | 12.1 | 12.7 | 12.1 | 12.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 63 | 66 | 65 | 63 | 58 |
| Clear days (≤ 30% cloud) | 4 | 4 | 4 | 5 | 5 | 6 |
| Partly cloudy days (30–70%) | 13 | 12 | 12 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 14 | 13 | 16 | 15 | 15 | 12 |
| Relative humidity (%) | 87 | 81 | 70 | 63 | 62 | 64 |
| Wind speed (km/h) | 12.3 | 13.2 | 14.0 | 14.1 | 13.1 | 11.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 48 | 53 | 61 | 63 | 64 |
| Clear days (≤ 30% cloud) | 9 | 10 | 9 | 7 | 5 | 4 |
| Partly cloudy days (30–70%) | 15 | 13 | 11 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 7 | 8 | 10 | 15 | 14 | 15 |
| Relative humidity (%) | 61 | 60 | 61 | 67 | 76 | 85 |
| Wind speed (km/h) | 10.2 | 10.4 | 12.1 | 12.7 | 12.1 | 12.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Aberdeen 3 E (NOAA GHCN station USC00390022), about 6 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.