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Huron, South Dakota climate
Dfa Hot-summer humid continental
Huron has a strongly seasonal cool-temperate climate (Hot-summer humid continental, Köppen Dfa). The hottest month is July with an average daily high near 30°C, while the coldest is January averaging around −14°C at night. Precipitation totals about 592 mm a year and is strongly seasonal — June alone averages 99 mm while January barely receives 15 mm. Winters bring significant snowfall (113 cm 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)Huron climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −1 | 7 | 14 | 21 | 27 | 30 | 29 | 24 | 16 | 7 | −1 |
| Avg temp (°C) | −9 | −6 | 1 | 8 | 14 | 20 | 23 | 22 | 17 | 9 | 1 | −6 |
| Avg low (°C) | −14 | −12 | −6 | 1 | 8 | 14 | 16 | 15 | 10 | 2 | −5 | −12 |
| Precipitation (mm) | 15 | 19 | 29 | 64 | 80 | 99 | 72 | 66 | 62 | 50 | 21 | 17 |
| Snowfall (cm) | 20 | 23 | 17 | 14 | — | — | — | — | — | 4 | 15 | 21 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −1 | 7 | 14 | 21 | 27 |
| Avg temp (°C) | −9 | −6 | 1 | 8 | 14 | 20 |
| Avg low (°C) | −14 | −12 | −6 | 1 | 8 | 14 |
| Precipitation (mm) | 15 | 19 | 29 | 64 | 80 | 99 |
| Snowfall (cm) | 20 | 23 | 17 | 14 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 29 | 24 | 16 | 7 | −1 |
| Avg temp (°C) | 23 | 22 | 17 | 9 | 1 | −6 |
| Avg low (°C) | 16 | 15 | 10 | 2 | −5 | −12 |
| Precipitation (mm) | 72 | 66 | 62 | 50 | 21 | 17 |
| Snowfall (cm) | — | — | — | 4 | 15 | 21 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 7 | 7 | 9 | 11 | 12 | 9 | 8 | 7 | 7 | 5 | 6 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.8 | 3 | 9 | 6 | 2 | 0.2 | — | — |
| Days with low ≤ 0°C (days) | 31 | 27 | 26 | 13 | 2 | — | — | — | 0.8 | 11 | 25 | 31 |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 1 | — | — | — | — | — | 0.4 | 1 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 7 | 7 | 9 | 11 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.8 | 3 |
| Days with low ≤ 0°C (days) | 31 | 27 | 26 | 13 | 2 | — |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 7 | 7 | 5 | 6 |
| Days with high ≥ 32°C (days) | 9 | 6 | 2 | 0.2 | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.8 | 11 | 25 | 31 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | 0.4 | 1 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 65 | 66 | 65 | 62 | 57 | 48 | 48 | 50 | 59 | 61 | 65 |
| Relative humidity (%) | 84 | 79 | 70 | 64 | 63 | 65 | 60 | 61 | 61 | 66 | 75 | 83 |
| Wind speed (m/s) | 3.5 | 3.7 | 3.9 | 3.9 | 3.6 | 3.2 | 2.9 | 2.9 | 3.4 | 3.5 | 3.3 | 3.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 65 | 66 | 65 | 62 | 57 |
| Relative humidity (%) | 84 | 79 | 70 | 64 | 63 | 65 |
| Wind speed (m/s) | 3.5 | 3.7 | 3.9 | 3.9 | 3.6 | 3.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 48 | 50 | 59 | 61 | 65 |
| Relative humidity (%) | 60 | 61 | 61 | 66 | 75 | 83 |
| Wind speed (m/s) | 2.9 | 2.9 | 3.4 | 3.5 | 3.3 | 3.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Huron Rgnl AP (NOAA GHCN station USW00014936), about 2 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.