14-day forecast — Porto Updated every hour
Thu · Today
Cloudy
+27°
+16°
5%
⌄
Wind 5 m/s NW
Gusts 10 m/s
UV index 6 – High
Chance of rain 5%
Sunrise 07:17
Sunset 19:40
Fri · Tomorrow
Clear
+29°
+16°
3%
⌄
Wind 3 m/s NW
Gusts 7 m/s
UV index 7 – High
Chance of rain 3%
Sunrise 07:18
Sunset 19:39
Saturday 19/9
Clear
+32°
+19°
1%
⌄
Wind 4 m/s NW
Gusts 7 m/s
UV index 6 – High
Chance of rain 1%
Sunrise 07:19
Sunset 19:37
Sunday 20/9
Clear
+34°
+22°
1%
⌄
Wind 4 m/s NW
Gusts 7 m/s
UV index 6 – High
Chance of rain 1%
Sunrise 07:20
Sunset 19:35
Monday 21/9
Clear
+34°
+22°
0%
⌄
Wind 6 m/s NW
Gusts 10 m/s
UV index 8 – Very high
Chance of rain 0%
Sunrise 07:21
Sunset 19:34
Tuesday 22/9
Clear
+33°
+22°
1%
⌄
Wind 4 m/s W
Gusts 7 m/s
UV index 8 – Very high
Chance of rain 1%
Sunrise 07:22
Sunset 19:32
Wednesday 23/9
Clear
+32°
+23°
1%
⌄
Wind 4 m/s W
Gusts 7 m/s
UV index 8 – Very high
Chance of rain 1%
Sunrise 07:23
Sunset 19:30
Thursday 24/9
Clear
+29°
+22°
2%
⌄
Wind 4 m/s W
Gusts 6 m/s
UV index 7 – High
Chance of rain 2%
Sunrise 07:24
Sunset 19:28
Friday 25/9
Clear
+28°
+21°
0.1 mm
⌄
Wind 4 m/s W
Gusts 9 m/s
UV index 7 – High
Chance of rain 17%
Sunrise 07:25
Sunset 19:27
Saturday 26/9
Showers
+29°
+20°
0.6 mm
⌄
Wind 4 m/s W
Gusts 8 m/s
UV index 7 – High
Chance of rain 36%
Sunrise 07:26
Sunset 19:25
Sunday 27/9
Cloudy
+26°
+19°
2.7 mm
⌄
Wind 4 m/s W
Gusts 8 m/s
UV index 6 – High
Chance of rain 66%
Sunrise 07:27
Sunset 19:23
Monday 28/9
Cloudy
+22°
+17°
1.7 mm
⌄
Wind 5 m/s NW
Gusts 6 m/s
UV index 5 – Moderate
Chance of rain 66%
Sunrise 07:28
Sunset 19:22
Tuesday 29/9
Cloudy
+22°
+17°
15%
⌄
Wind 3 m/s NE
Gusts 7 m/s
UV index 6 – High
Chance of rain 15%
Sunrise 07:29
Sunset 19:20
Wednesday 30/9
Clear
+26°
+16°
1%
⌄
Wind 4 m/s E
Gusts 12 m/s
UV index 7 – High
Chance of rain 1%
Sunrise 07:30
Sunset 19:18
About Porto
Portugals näst största stad vid Douroflodens mynning.
Country Portugal
Region Norra Portugal
Continent Europe
Time zone Europe/Lisbon (+01:00)
Latitude 41.1579°
Longitude -8.6291°
Air quality Fair (EAQI 28)
Climate in Porto in December
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Porto : May–September . With poor weather, December is a possible month to visit.
Photo: Wikimedia
November
December
January
Average temperature
▼ 13°C
11°C
▼ 10°C
Highest temperature
▼ 16°C
14°C
→ 14°C
Lowest temperature
▼ 11°C
9°C
▼ 7°C
Precipitation
▲ 218 mm
219 mm
▼ 178 mm
Days with precipitation
→ 16 d
16 d
▼ 12 d
Humidity
▼ 80%
79%
▲ 81%
Sunshine hours per day
▼ 6,5 h
6,1 h
▲ 6,5 h
Cloud cover
▼ 35%
34%
▼ 32%
UV index (midday)
▼ 3
2
▲ 3
Day length
9:54
9:16
9:36
Our rating
Acceptable
Poor
Poor
Temperature day by day in December mean + moving average
9° 11° 13° 1 6 11 16 21 26 31
Precipitation day by day in December mm
0 7.6 15.2 1 6 11 16 21 26 31
UV index day by day in December midday value, clear-sky
0 5.5 11 1 6 11 16 21 26 31
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
🗺️ Map — Porto and around
Forecast day by day
📅 Forecast
🌧️ Radar now
▶
Markers show the daily high for Porto and the places around it — all from our warm cache, the map makes no calls of its own. Radar mode fetches frames from RainViewer.
Data source
Global weather models — international forecasts
The weather for Porto is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from Sweden, local time is shown above.