Rennes Weather: May
 |
Average Day Temperature: | 64.5°F |
|
Average Night Temperature: | 48.4°F |
|
Sea Water Temperature: | 55.9°F |
|
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 14.5 - 15.8 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.8 in | |
| detailed information | ||
forecast
| Rennes |
Temperature
| Rennes |
Air Temperature in May, °F
The highest day temperature in May 2026 was 91°F. The lowest night temperature was 37°F. The average values for day and night temperatures during May were 68.4°F и 52.1°F respectivly.
Rennes Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Rennes was 58.7°F. The maximum and minimum values were 56.2°F and 65.2°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Rennes is 1.8 in. It makes may one of the most rainy months of the year.
The average wind speed in May is 9.1 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rennes in May is 7.9 hours.
Rennes on the Weather Map
| Antibes |  |
+90 |
| Arcachon |  |
+80 |
| Cannes | |
+92 |
| Corsica | |
+92 |
| Deauville | |
+76 |
| Etretat |  |
+70 |
| Marseilles | |
+88 |
| Menton | |
+88 |
| Montpellier | |
+88 |
| Nice | |
+92 |
| Paris | |
+92 |
| Perpignan | |
+92 |
| Saint-Tropez | |
+92 |
| Toulon | |
+92 |
| Toulouse | |
+100 |
| 1500 |  |
90°F | SE 7 mph |
| 1800 | |
90°F | S 10 mph |
| 2100 | |
72°F | S 13 mph |
| 0000 |  |
64°F | S 11 mph |
| 0300 | |
60°F | SE 7 mph |
| 0600 | |
56°F | SE 7 mph |
| 0900 |  |
66°F | S 10 mph |
| 1200 | |
78°F | SE 9 mph |