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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 86°F, while the coldest is July averaging around 39°F at night. Precipitation totals about 13 inches a year and is strongly seasonal — June alone averages 3.5 inches while January barely receives 0.02 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)Rancagua climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 85 | 82 | 73 | 66 | 60 | 60 | 63 | 67 | 73 | 79 | 83 |
| Avg temp (°F) | 72 | 71 | 67 | 61 | 55 | 50 | 49 | 52 | 55 | 60 | 65 | 69 |
| Avg low (°F) | 57 | 56 | 53 | 48 | 44 | 40 | 39 | 40 | 44 | 47 | 51 | 55 |
| Precipitation (in) | 0.0 | 0.1 | 0.2 | 0.8 | 1.8 | 3.5 | 2.1 | 2.1 | 1.2 | 0.6 | 0.3 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 85 | 82 | 73 | 66 | 60 |
| Avg temp (°F) | 72 | 71 | 67 | 61 | 55 | 50 |
| Avg low (°F) | 57 | 56 | 53 | 48 | 44 | 40 |
| Precipitation (in) | 0.0 | 0.1 | 0.2 | 0.8 | 1.8 | 3.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 60 | 63 | 67 | 73 | 79 | 83 |
| Avg temp (°F) | 49 | 52 | 55 | 60 | 65 | 69 |
| Avg low (°F) | 39 | 40 | 44 | 47 | 51 | 55 |
| Precipitation (in) | 2.1 | 2.1 | 1.2 | 0.6 | 0.3 | 0.2 |
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 (mph) | 5.0 | 4.8 | 4.3 | 3.7 | 3.4 | 3.4 | 3.2 | 3.3 | 3.5 | 3.9 | 4.5 | 4.9 |
| 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 (mph) | 5.0 | 4.8 | 4.3 | 3.7 | 3.4 | 3.4 |
| 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 (mph) | 3.2 | 3.3 | 3.5 | 3.9 | 4.5 | 4.9 |
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.