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Vila Nova de Gaia, Portugal climate
Csb Warm-summer Mediterranean
Vila Nova de Gaia has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is August with an average daily high near 25°C, while the coldest is January averaging around 6°C at night. Precipitation totals about 1109 mm a year and is strongly seasonal — November alone averages 160 mm while July barely receives 13 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)Vila Nova de Gaia climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 15 | 17 | 18 | 20 | 23 | 24 | 25 | 24 | 21 | 17 | 15 |
| Avg temp (°C) | 10 | 11 | 13 | 14 | 16 | 18 | 20 | 20 | 19 | 17 | 13 | 11 |
| Avg low (°C) | 6 | 6 | 8 | 9 | 12 | 14 | 15 | 15 | 14 | 12 | 9 | 7 |
| Precipitation (mm) | 147 | 88 | 104 | 99 | 87 | 32 | 13 | 27 | 66 | 138 | 160 | 147 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 15 | 17 | 18 | 20 | 23 |
| Avg temp (°C) | 10 | 11 | 13 | 14 | 16 | 18 |
| Avg low (°C) | 6 | 6 | 8 | 9 | 12 | 14 |
| Precipitation (mm) | 147 | 88 | 104 | 99 | 87 | 32 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 25 | 24 | 21 | 17 | 15 |
| Avg temp (°C) | 20 | 20 | 19 | 17 | 13 | 11 |
| Avg low (°C) | 15 | 15 | 14 | 12 | 9 | 7 |
| Precipitation (mm) | 13 | 27 | 66 | 138 | 160 | 147 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 53 | 54 | 56 | 53 | 45 | 35 | 36 | 43 | 53 | 56 | 59 |
| Relative humidity (%) | 85 | 83 | 81 | 80 | 78 | 75 | 73 | 72 | 74 | 79 | 83 | 85 |
| Wind speed (m/s) | 2.5 | 2.4 | 2.3 | 2.2 | 2.0 | 1.9 | 1.9 | 1.8 | 1.7 | 2.1 | 2.5 | 2.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 53 | 54 | 56 | 53 | 45 |
| Relative humidity (%) | 85 | 83 | 81 | 80 | 78 | 75 |
| Wind speed (m/s) | 2.5 | 2.4 | 2.3 | 2.2 | 2.0 | 1.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 36 | 43 | 53 | 56 | 59 |
| Relative humidity (%) | 73 | 72 | 74 | 79 | 83 | 85 |
| Wind speed (m/s) | 1.9 | 1.8 | 1.7 | 2.1 | 2.5 | 2.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Porto, a weather station, about 15 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.