Climate for Station: Rennes-St Jacques, Brittany, France
Loading live weather…
Station Statistics
10-Year Trend
High: +0.58 °C/decade
Low: +1.13 °C/decade
Rain: +0.26 mm/decade
25-Year Trend
High: +0.37 °C/decade
Low: +0.09 °C/decade
Rain: -0.05 mm/decade
50-Year Trend
High: +0.48 °C/decade
Low: +0.22 °C/decade
Rain: +0.01 mm/decade
All-Time Trend
High: +0.24 °C/decade
Low: +0.21 °C/decade
Rain: +0.03 mm/decade
Percentage Above-Average Days
Last 12 Months: 56.7%
This Year: 50.0%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 10.2
Historical Average: 13.1
Percentile Rank of Last 12 Months ℹ️
High: 83rd percentile
Low: 84th percentile
Rain: 68th percentile
Change in Variance ℹ️
High: +4.6%
Low: -3.4%
Intraday: +14.0%
Data Coverage
91.2%
First Year of Data
1959
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 | 40.5 °C | — | -7.5 °C | 30.8 °C | — | -9.3 °C | 24.3 °C | — | -14.7 °C | 53.7 mm | — | — | — |
| January | 16.8 °C | 8.4 °C | -7.5 °C | 13.9 °C | 5.7 °C | -9.3 °C | 13.1 °C | 2.4 °C | -14.7 °C | 36.5 mm | 2.0 mm | — | — |
| February | 20.9 °C | 9.6 °C | -4.8 °C | 14.3 °C | 6.2 °C | -7.4 °C | 12.6 °C | 2.6 °C | -11.2 °C | 34.5 mm | 1.8 mm | — | — |
| March | 24.1 °C | 12.6 °C | 0.7 °C | 17.0 °C | 8.3 °C | -0.8 °C | 13.6 °C | 4.0 °C | -7.3 °C | 35.6 mm | 1.6 mm | — | — |
| April | 28.7 °C | 15.3 °C | 4.3 °C | 20.3 °C | 10.4 °C | 1.5 °C | 14.5 °C | 5.6 °C | -3.2 °C | 28.3 mm | 1.5 mm | — | — |
| May | 30.8 °C | 18.7 °C | 8.4 °C | 23.7 °C | 13.8 °C | 5.0 °C | 19.2 °C | 8.6 °C | -1.2 °C | 35.1 mm | 1.8 mm | — | — |
| June | 37.9 °C | 22.0 °C | 12.9 °C | 28.8 °C | 17.0 °C | 7.7 °C | 24.3 °C | 11.5 °C | 2.2 °C | 43.6 mm | 1.6 mm | — | — |
| July | 40.5 °C | 24.2 °C | 14.0 °C | 30.8 °C | 18.9 °C | 12.6 °C | 22.2 °C | 13.3 °C | 5.5 °C | 39.4 mm | 1.4 mm | — | — |
| August | 39.5 °C | 23.9 °C | 13.0 °C | 30.7 °C | 18.7 °C | 10.7 °C | 24.0 °C | 13.2 °C | 4.0 °C | 35.4 mm | 1.5 mm | — | — |
| September | 35.1 °C | 21.4 °C | 10.2 °C | 26.3 °C | 16.2 °C | 6.6 °C | 19.8 °C | 11.3 °C | 1.9 °C | 45.3 mm | 1.8 mm | — | — |
| October | 30.0 °C | 17.0 °C | 4.5 °C | 20.1 °C | 12.7 °C | 3.2 °C | 18.2 °C | 8.6 °C | -4.6 °C | 53.7 mm | 2.2 mm | — | — |
| November | 21.4 °C | 12.0 °C | -1.0 °C | 16.5 °C | 8.7 °C | -2.2 °C | 15.2 °C | 5.3 °C | -7.5 °C | 34.4 mm | 2.3 mm | — | — |
| December | 18.0 °C | 9.2 °C | -5.5 °C | 16.3 °C | 6.4 °C | -4.7 °C | 14.1 °C | 3.3 °C | -12.6 °C | 38.7 mm | 2.2 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
