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Rancagua, Chile climate
Csb Warm-summer Mediterranean
Rancagua has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is January with an average daily high near 30°C, while the coldest is July averaging around 4°C at night. Precipitation totals about 326 mm a year and is strongly seasonal — June alone averages 88 mm while January barely receives 0 mm.
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)Rancagua climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 29 | 28 | 23 | 19 | 16 | 15 | 17 | 20 | 23 | 26 | 29 |
| Avg temp (°C) | 22 | 21 | 20 | 16 | 13 | 10 | 10 | 11 | 13 | 15 | 18 | 21 |
| Avg low (°C) | 14 | 13 | 12 | 9 | 7 | 5 | 4 | 5 | 7 | 8 | 10 | 13 |
| Precipitation (mm) | 0 | 2 | 4 | 19 | 45 | 88 | 54 | 54 | 30 | 16 | 7 | 6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 29 | 28 | 23 | 19 | 16 |
| Avg temp (°C) | 22 | 21 | 20 | 16 | 13 | 10 |
| Avg low (°C) | 14 | 13 | 12 | 9 | 7 | 5 |
| Precipitation (mm) | 0 | 2 | 4 | 19 | 45 | 88 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 17 | 20 | 23 | 26 | 29 |
| Avg temp (°C) | 10 | 11 | 13 | 15 | 18 | 21 |
| Avg low (°C) | 4 | 5 | 7 | 8 | 10 | 13 |
| Precipitation (mm) | 54 | 54 | 30 | 16 | 7 | 6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 31 | 36 | 53 | 68 | 73 | 70 | 69 | 68 | 62 | 48 | 38 |
| Relative humidity (%) | 31 | 32 | 32 | 34 | 42 | 51 | 53 | 51 | 50 | 44 | 35 | 31 |
| Wind speed (km/h) | 8.0 | 7.7 | 6.8 | 5.9 | 5.5 | 5.5 | 5.2 | 5.4 | 5.7 | 6.3 | 7.2 | 7.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 31 | 36 | 53 | 68 | 73 |
| Relative humidity (%) | 31 | 32 | 32 | 34 | 42 | 51 |
| Wind speed (km/h) | 8.0 | 7.7 | 6.8 | 5.9 | 5.5 | 5.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 69 | 68 | 62 | 48 | 38 |
| Relative humidity (%) | 53 | 51 | 50 | 44 | 35 | 31 |
| Wind speed (km/h) | 5.2 | 5.4 | 5.7 | 6.3 | 7.2 | 7.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Eulogiosancheztobalabaad, about 81 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.