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Viedma, Argentina climate
BSk Cold semi-arid
Viedma has a seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is January with an average daily high near 85°F, while the coldest is July averaging around 35°F at night. Around 15 inches of precipitation falls each year, peaking in March (2.1 inches) and easing off in December (0.9 inches).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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)Viedma climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 83 | 79 | 70 | 62 | 56 | 56 | 60 | 64 | 71 | 77 | 83 |
| Avg temp (°F) | 72 | 70 | 65 | 57 | 51 | 46 | 44 | 47 | 51 | 58 | 64 | 69 |
| Avg low (°F) | 58 | 57 | 54 | 46 | 41 | 36 | 35 | 37 | 39 | 45 | 51 | 55 |
| Precipitation (in) | 1.2 | 1.6 | 2.1 | 1.5 | 1.3 | 1.1 | 1.2 | 1.0 | 1.0 | 1.3 | 1.1 | 0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 83 | 79 | 70 | 62 | 56 |
| Avg temp (°F) | 72 | 70 | 65 | 57 | 51 | 46 |
| Avg low (°F) | 58 | 57 | 54 | 46 | 41 | 36 |
| Precipitation (in) | 1.2 | 1.6 | 2.1 | 1.5 | 1.3 | 1.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 56 | 60 | 64 | 71 | 77 | 83 |
| Avg temp (°F) | 44 | 47 | 51 | 58 | 64 | 69 |
| Avg low (°F) | 35 | 37 | 39 | 45 | 51 | 55 |
| Precipitation (in) | 1.2 | 1.0 | 1.0 | 1.3 | 1.1 | 0.9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 43 | 45 | 50 | 57 | 58 | 55 | 58 | 55 | 54 | 52 | 47 |
| Relative humidity (%) | 49 | 54 | 59 | 64 | 72 | 76 | 76 | 71 | 66 | 60 | 54 | 49 |
| Wind speed (mph) | 10.0 | 9.9 | 9.2 | 8.8 | 8.4 | 9.0 | 8.9 | 8.7 | 8.6 | 8.7 | 9.1 | 9.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 43 | 45 | 50 | 57 | 58 |
| Relative humidity (%) | 49 | 54 | 59 | 64 | 72 | 76 |
| Wind speed (mph) | 10.0 | 9.9 | 9.2 | 8.8 | 8.4 | 9.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 58 | 55 | 54 | 52 | 47 |
| Relative humidity (%) | 76 | 71 | 66 | 60 | 54 | 49 |
| Wind speed (mph) | 8.9 | 8.7 | 8.6 | 8.7 | 9.1 | 9.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Viedma_aero, 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.