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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another chilly winter month in Boulogne-sur-Mer, France, with temperature in the range of an average low of 4.1°C (39.4°F) and an average high of 7°C (44.6°F). Boulogne-sur-Mer's January weather, marked by an average high temperature of 7°C (44.6°F) and an average low temperature of 4.1°C (39.4°F), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Boulogne-sur-Mer, is also a frosty month, with an average temperature ranging between max 7.1°C (44.8°F) and min 4.3°C (39.7°F). As January turns into February, the average high-temperatures rest at a still frosty 7.1°C (44.8°F), showing a minor variation from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Boulogne-sur-Mer, France, with an average temperature ranging between max 9.3°C (48.7°F) and min 5.5°C (41.9°F). The transition from February to March sees average high-temperatures adjusting to a still chilly 9.3°C (48.7°F), from a not significantly different 7.1°C (44.8°F). Weather in March »
Weather in April
April is a cool spring month in Boulogne-sur-Mer, France, with an average temperature ranging between max 11.9°C (53.4°F) and min 7.4°C (45.3°F). 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. Weather in April »
Weather in May
May, the last month of the spring in Boulogne-sur-Mer, is a refreshing month, with an average temperature fluctuating between 9.8°C (49.6°F) and 13.9°C (57°F). Boulogne-sur-Mer's weather in May indicates an average high-temperature of a mild 13.9°C (57°F), nearly consistent with the 11.9°C (53.4°F) of April. Weather in May »
Weather in June
June, the first month of the summer in Boulogne-sur-Mer, is a refreshing month, with an average temperature ranging between max 16.6°C (61.9°F) and min 12.6°C (54.7°F). June's arrival shows an average high-temperature of a still refreshing 16.6°C (61.9°F), hardly different from the previous month. Weather in June »
Weather in July
July, like June, in Boulogne-sur-Mer, France, is another comfortable summer month, with temperature in the range of an average high of 19°C (66.2°F) and an average low of 14.8°C (58.6°F). The arrival of July coincides with an average high-temperature of a still enjoyable 19°C (66.2°F), indicating a minimal shift from June's 16.6°C (61.9°F). Weather in July »
Weather in August
August, the last month of the summer in Boulogne-sur-Mer, is another refreshing month, with an average temperature ranging between min 15.7°C (60.3°F) and max 19.6°C (67.3°F). The highest temperatures are recorded in August, with averages reaching a high of 19.6°C (67.3°F) and a low of 15.7°C (60.3°F). Weather in August »
Weather in September
September, the first month of the autumn in Boulogne-sur-Mer, is still a refreshing month, with an average temperature varying between 17.8°C (64°F) and 13.8°C (56.8°F). The shift into September reveals an average high-temperature of a still enjoyable 17.8°C (64°F), closely mirroring August's climate. Weather in September »
Weather in October
October, like September, is another mild autumn month in Boulogne-sur-Mer, France, with an average temperature varying between 11.8°C (53.2°F) and 15°C (59°F). The onset of October notes an average high-temperature of a still refreshing 15°C (59°F), subtly shifted from September's 17.8°C (64°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Boulogne-sur-Mer, France, with an average temperature varying between 8.2°C (46.8°F) and 10.9°C (51.6°F). The arrival of November signals a subtle shift in temperature, down from a mild 15°C (59°F) in October to a fresh 10.9°C (51.6°F). Weather in November »
Weather in December
December, the first month of the winter in Boulogne-sur-Mer, is also a frosty month, with an average temperature varying between 8.5°C (47.3°F) and 5.9°C (42.6°F). December brings a marginal elevation to a frosty 8.5°C (47.3°F) from November's 10.9°C (51.6°F) in Boulogne-sur-Mer's average high-temperatures. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Boulogne-sur-Mer?
Boulogne-sur-Mer's January weather, marked by an average high temperature of 7°C (44.6°F) and an average low temperature of 4.1°C (39.4°F), is the coldest in the year.
What are the most humid months in Boulogne-sur-Mer?
The months with the highest humidity are January, June and December, with an average relative humidity of 83%.
How much does it rain in Boulogne-sur-Mer?
Throughout the year, there are 175.8 rainfall days, and 430mm (16.93") of precipitation is accumulated.
When does it snow in Boulogne-sur-Mer?
Months with snowfall in Boulogne-sur-Mer, France, are January through March, November and December.
When does it snow the most in Boulogne-sur-Mer?
The month with the most snowfall in Boulogne-sur-Mer is January, when snow falls for 2.3 days and typically aggregates up to 21mm (0.83") of snow.
How much does it snow in Boulogne-sur-Mer?
Throughout the year, in Boulogne-sur-Mer, there are 7.4 snowfall days, and 40mm (1.57") of snow is accumulated.
When is the lowest UV index in Boulogne-sur-Mer?
January, February and November, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month in Boulogne-sur-Mer?
The months with the least rainfall are April and May Rain falls for 11.5 days and accumulates 19mm (0.75") of rain.
When it does not snow in Boulogne-sur-Mer?
In Boulogne-sur-Mer, France, snow does not fall in April through October.
When are the longest days in Boulogne-sur-Mer?
June has the longest days of the year in Boulogne-sur-Mer, France, with an average of 16h and 24min of daylight.
What month has the most sunshine in Boulogne-sur-Mer?
With an average of 10.8h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Boulogne-sur-Mer?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What time of the year is the hottest in Boulogne-sur-Mer?
August registers as the month with the average highest temperatures in Boulogne-sur-Mer, France, reaching 19.6°C (67.3°F) at its peak and 15.7°C (60.3°F) at the lowest.
What is the least humid month in Boulogne-sur-Mer?
The months with the lowest humidity are August and September, with an average relative humidity of 79%.
When is Daylight Saving Time (DST) in Boulogne-sur-Mer?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Boulogne-sur-Mer, France, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the least sunshine in Boulogne-sur-Mer?
The month with the least sunshine in Boulogne-sur-Mer, France, is November, with an average of 4.2h of sunshine.
What is the wettest month in Boulogne-sur-Mer?
The month with the most rainfall in Boulogne-sur-Mer is December, when the rain falls for 16.7 days and typically aggregates up to 54mm (2.13") of precipitation.
What is the month with the shortest days in Boulogne-sur-Mer?
The month with the shortest days is December, with an average of 8h and 6min of daylight.
Average temperature
Boulogne-sur-Mer, France
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).
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
Boulogne-sur-Mer, France
- Average pressure in January:
1015.7mbar - Average pressure in February:
1014.8mbar - Average pressure in March:
1015.9mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.9mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1016mbar - Average pressure in August:
1015.7mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1011.6mbar - Average pressure in December:
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
Boulogne-sur-Mer, France
- Average wind speed in January:
26km/h - Average wind speed in February:
26.2km/h - Average wind speed in March:
23km/h - Average wind speed in April:
18.5km/h - Average wind speed in May:
18.8km/h - Average wind speed in June:
18.7km/h
- Average wind speed in July:
18.1km/h - Average wind speed in August:
18.5km/h - Average wind speed in September:
19.8km/h - Average wind speed in October:
22.6km/h - Average wind speed in November:
25.5km/h - Average wind speed in December:
27.4km/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
Boulogne-sur-Mer, France
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
Boulogne-sur-Mer, France
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
Boulogne-sur-Mer, France
- Average rainfall days in January:
15.8 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
17.9 days - Average rainfall days in December:
16.7 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
Boulogne-sur-Mer, France
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
Boulogne-sur-Mer, France
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1 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 / Average sunshine
Boulogne-sur-Mer, France
- Average daylight in January:
8h and 4min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 3min - Average daylight in June:
16h and 2min
- Average daylight in July:
16h and 0min - Average daylight in August:
14h and 3min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
9h and 0min - Average daylight in December:
8h and 1min
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 January:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
7h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
4h and 1min - Average sunshine in December:
4h and 2min
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
Boulogne-sur-Mer, France
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
10 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
10.6 days - Average sunshine days in September:
12.2 days - Average sunshine days in October:
10.9 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
9.5 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
Boulogne-sur-Mer, France
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
Boulogne-sur-Mer, France
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
Boulogne-sur-Mer, France
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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