April weather forecastRennes, France
April
Weather in April
April in Rennes, France provides a distinct touch of spring. There is a steep increase in temperatures, marking a peak at 15.2°C (59.4°F), while the lower limits reach 5.2°C (41.4°F). Conversely, this month sees a surge in rainfall with an accumulation of 33mm (1.3"), the fourth-highest throughout the year. The climate represents a typical spring scenario of warming temperatures, extended daylight hours and increased rainfall compared with March.Temperature
April brings a slight rise in Rennes's average high-temperature, moving from a fresh 12.1°C (53.8°F) in March to a mild 15.2°C (59.4°F). An average temperature of 5.2°C (41.4°F) is recorded during the nights in April.Humidity
In Rennes, the average relative humidity in April is 82%.Rainfall
In Rennes, during April, the rain falls for 13.8 days and regularly aggregates up to 33mm (1.3") of precipitation. In Rennes, during the entire year, the rain falls for 150.1 days and collects up to 330mm (12.99") of precipitation.Snowfall
January through April, November and December are months with snowfall. The months with the most snowfall in Rennes, France, are February through April and December, with an average 2mm (0.08") of accumulated snow.Daylight
In April, the average length of the day is 13h and 41min.On the first day of April in Rennes, sunrise is at 07:43 and sunset at 20:37. On the last day of the month, sunrise is at 06:48 and sunset at 21:19 CEST.
Sunshine
The average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during April translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rennes, France
- Average high temperature in April: 15.2°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in April: 5.2°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in April
Rennes, France
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in April
Rennes, France
- Average wind speed in April: 13.6km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in April
Rennes, France
- Average humidity in April: 82%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in April
Rennes, France
- Average rainfall in April: 33mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in April
Rennes, France
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in April
Rennes, France
- Average snowfall in April: 2mm
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Rennes, France
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Rennes, France
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Rennes, France
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in April
Rennes, France
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Rennes, France
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in April
Rennes, France
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).
