Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The average high-temperature is a cool 11.9°C (53.4°F) in April, hardly different from the 9.3°C (48.7°F) recorded in March. During the nights of April, Boulogne-sur-Mer records an average temperature of 7.4°C (45.3°F), a minor drop from daytime peaks.Humidity
The average relative humidity in April in Boulogne-sur-Mer is 80%.Rainfall
April and May are months with the least rain in Boulogne-sur-Mer, France, when the rain falls for 11.5 days and typically aggregates up to 19mm (0.75") of rain.Snowfall
In Boulogne-sur-Mer, snow does not fall in April through October.Daylight
In Boulogne-sur-Mer, the average length of the day in April is 13h and 51min.On the first day of April, sunrise is at 07:28 and sunset at 20:26. On the last day of the month, sunrise is at 06:28 and sunset at 21:13 CEST.
Sunshine
In Boulogne-sur-Mer, the average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index in Boulogne-sur-Mer is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Boulogne-sur-Mer in April?
What is the average humidity in April in Boulogne-sur-Mer?
What is the driest month in Boulogne-sur-Mer?
How much does it rain in Boulogne-sur-Mer in April?
When it does not snow in Boulogne-sur-Mer?
Does it snow in Boulogne-sur-Mer in April?
How many hours of daylight does Boulogne-sur-Mer have in April?
What time are sunrise and sunset in April in Boulogne-sur-Mer?
How long on average sun shines in April in Boulogne-sur-Mer?
What is the UV index intensity in April in Boulogne-sur-Mer?
Average temperature in April
Boulogne-sur-Mer, France
- Average high temperature in April: 11.9°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in April: 7.4°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in April
Boulogne-sur-Mer, France
- Average pressure in April: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in April
Boulogne-sur-Mer, France
- Average wind speed in April: 18.5km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (18.1km/h).
Average humidity in April
Boulogne-sur-Mer, France
- Average humidity in April: 80%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in April
Boulogne-sur-Mer, France
- Average rainfall in April: 19mm
The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are April and May (19mm).
Average rainfall days in April
Boulogne-sur-Mer, France
- Average rainfall days in April: 11.5 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in April
Boulogne-sur-Mer, France
- Average snowfall in April: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Boulogne-sur-Mer, France
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.5 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
Boulogne-sur-Mer, France
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in April
Boulogne-sur-Mer, France
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in April
Boulogne-sur-Mer, 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 and November (UV index 2).
Average cloud cover in April
Boulogne-sur-Mer, France
- Average cloud cover in April: 38
The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in April
Boulogne-sur-Mer, France
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Boulogne-sur-Mer, France
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