Climate for Station: Porto, Portugal
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Station Statistics
10-Year Trend
High: +1.36 °C/decade
Low: +0.85 °C/decade
Rain: +1.08 mm/decade
25-Year Trend
High: +0.11 °C/decade
Low: +0.42 °C/decade
Rain: +0.06 mm/decade
50-Year Trend
High: +0.17 °C/decade
Low: +0.27 °C/decade
Rain: -0.07 mm/decade
All-Time Trend
High: +0.02 °C/decade
Low: +0.29 °C/decade
Rain: -0.03 mm/decade
Percentage Above-Average Days
Last 12 Months: 50.1%
This Year: 25.0%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 13.0
Historical Average: 16.7
Percentile Rank of Last 12 Months ℹ️
High: 94th percentile
Low: 93rd percentile
Rain: 65th percentile
Change in Variance ℹ️
High: -8.0%
Low: -15.6%
Intraday: -28.7%
Data Coverage
88.7%
First Year of Data
1941
Station Location
Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 39.9 °C | — | 3.3 °C | 35.3 °C | — | 0.6 °C | 25.7 °C | — | -4.1 °C | 101.2 mm | — | — | — |
| January | 23.7 °C | 13.8 °C | 3.3 °C | 17.2 °C | 10.0 °C | 0.6 °C | 15.0 °C | 5.8 °C | -4.1 °C | 86.8 mm | 4.8 mm | — | — |
| February | 25.7 °C | 14.6 °C | 5.7 °C | 17.7 °C | 10.8 °C | 2.2 °C | 15.1 °C | 6.4 °C | -3.8 °C | 68.1 mm | 4.4 mm | — | — |
| March | 29.1 °C | 16.5 °C | 6.4 °C | 21.9 °C | 12.4 °C | 3.9 °C | 16.3 °C | 8.0 °C | -2.3 °C | 80.1 mm | 3.8 mm | — | — |
| April | 31.9 °C | 18.1 °C | 8.8 °C | 24.6 °C | 13.7 °C | 6.5 °C | 19.9 °C | 9.4 °C | 0.1 °C | 64.3 mm | 3.2 mm | — | — |
| May | 34.7 °C | 19.9 °C | 10.4 °C | 27.7 °C | 15.9 °C | 9.7 °C | 23.5 °C | 11.5 °C | 2.6 °C | 85.4 mm | 2.6 mm | — | — |
| June | 38.3 °C | 22.7 °C | 13.0 °C | 30.4 °C | 18.3 °C | 11.9 °C | 23.9 °C | 14.0 °C | 5.9 °C | 68.8 mm | 1.4 mm | — | — |
| July | 39.9 °C | 24.6 °C | 16.7 °C | 30.3 °C | 19.9 °C | 15.0 °C | 25.7 °C | 15.2 °C | 8.8 °C | 42.7 mm | 0.5 mm | — | — |
| August | 39.4 °C | 24.8 °C | 17.3 °C | 35.3 °C | 20.0 °C | 14.4 °C | 24.1 °C | 15.1 °C | 7.4 °C | 50.5 mm | 0.7 mm | — | — |
| September | 36.8 °C | 23.5 °C | 13.5 °C | 31.1 °C | 18.9 °C | 11.5 °C | 22.9 °C | 14.3 °C | 5.5 °C | 84.2 mm | 2.1 mm | — | — |
| October | 34.4 °C | 20.8 °C | 11.7 °C | 24.6 °C | 16.4 °C | 8.3 °C | 20.1 °C | 12.1 °C | 1.4 °C | 86.8 mm | 4.4 mm | — | — |
| November | 27.7 °C | 16.6 °C | 6.6 °C | 21.1 °C | 13.0 °C | 5.0 °C | 18.5 °C | 8.7 °C | -1.3 °C | 101.2 mm | 5.2 mm | — | — |
| December | 24.8 °C | 14.2 °C | 3.7 °C | 18.2 °C | 10.9 °C | 3.5 °C | 18.5 °C | 6.7 °C | -2.5 °C | 84.4 mm | 5.2 mm | — | — |
Plots
Current Year Climate Trends vs Historical
Max Temperature this Year | 1 of 4
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 4
Daily Average Temperatures Throughout the Year
Average Max Temperature Throughout Year | 1 of 3
