April Weather in Boulogne-sur-Mer

Last updated: March 2, 2024

The weather in Boulogne-sur-Mer, France, during April is characterized by an average temperature of 10°C (50°F). Highs can soar to 19°C (66°F), while lows may dip to 2°C (37°F). Typically, the humidity level in Boulogne-sur-Mer throughout April hovers around 85%.

2°C (37°F)

Minimum temperature

10°C (50°F)

Average temperature

19°C (66°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In April, Boulogne-sur-Mer averages 31 mm (1.2 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 13 hours 51 minutes of daylight, with the sun shining for approximately 11 hours 49 minutes each day. Additionally, there is a 54% probability of sunny days during this period.

31 mm (1.2 inches)

Precipitation

8 rainy days

Rainy days

11 hours 49 minutes

Sunshine hours

54%

Chance of sun

UV Index

In April, the UV Index in Boulogne-sur-Mer reaches a maximum of 5, indicating a level of High exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	1	1	2	4	5	5	6	5	4	3	2	1
Exposure	Low				Moderate			High	Moderate			Low
Time to burn	45 min				30 min			25 min	30 min			45 min