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Monsanto, Portugal climate
Csb Warm-summer Mediterranean
Monsanto has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is August with an average daily high near 78°F, while the coldest is January averaging around 43°F at night. Precipitation totals about 28 inches a year and is strongly seasonal — November alone averages 4.0 inches while July barely receives 0.27 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)Monsanto climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 58 | 60 | 64 | 66 | 70 | 75 | 77 | 78 | 77 | 72 | 63 | 60 |
| Avg temp (°F) | 51 | 52 | 55 | 58 | 62 | 66 | 68 | 69 | 68 | 63 | 55 | 52 |
| Avg low (°F) | 43 | 43 | 47 | 50 | 54 | 58 | 60 | 60 | 58 | 54 | 47 | 44 |
| Precipitation (in) | 3.8 | 2.7 | 2.6 | 2.7 | 2.1 | 0.7 | 0.3 | 0.4 | 1.8 | 3.5 | 4.0 | 3.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 58 | 60 | 64 | 66 | 70 | 75 |
| Avg temp (°F) | 51 | 52 | 55 | 58 | 62 | 66 |
| Avg low (°F) | 43 | 43 | 47 | 50 | 54 | 58 |
| Precipitation (in) | 3.8 | 2.7 | 2.6 | 2.7 | 2.1 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 78 | 77 | 72 | 63 | 60 |
| Avg temp (°F) | 68 | 69 | 68 | 63 | 55 | 52 |
| Avg low (°F) | 60 | 60 | 58 | 54 | 47 | 44 |
| Precipitation (in) | 0.3 | 0.4 | 1.8 | 3.5 | 4.0 | 3.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 54 | 54 | 58 | 53 | 42 | 33 | 32 | 42 | 53 | 56 | 60 |
| Relative humidity (%) | 84 | 82 | 79 | 77 | 75 | 73 | 70 | 69 | 71 | 76 | 82 | 84 |
| Wind speed (mph) | 3.0 | 3.0 | 2.8 | 2.9 | 2.8 | 2.8 | 2.8 | 2.6 | 2.4 | 2.6 | 2.9 | 3.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 54 | 54 | 58 | 53 | 42 |
| Relative humidity (%) | 84 | 82 | 79 | 77 | 75 | 73 |
| Wind speed (mph) | 3.0 | 3.0 | 2.8 | 2.9 | 2.8 | 2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 32 | 42 | 53 | 56 | 60 |
| Relative humidity (%) | 70 | 69 | 71 | 76 | 82 | 84 |
| Wind speed (mph) | 2.8 | 2.6 | 2.4 | 2.6 | 2.9 | 3.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Monte Real, a weather station, about 44 km from the city centre. The underlying daily records come from NOAA's global station network.
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.