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Boulogne-sur-Mer Weather in May
Boulogne-sur-Mer in May averages 17°C (63°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Boulogne-sur-Mer in May
The climate data from previous years indicates about 14 days of rain, averaging 64 mm (2.5 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Boulogne-sur-Mer in May
Boulogne-sur-Mer in May gets highs of 17°C (63°F) during the day and drops to 10°C (50°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Boulogne-sur-Mer in May
Enjoy a sunny month with about 197 hours of sunshine, the clear skies make Boulogne-sur-Mer even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Boulogne-sur-Mer.
Boulogne-sur-Mer Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
64 mm (2.5 in)
Rainy days
14 days
Humidity
82% *
Sunshine
197 hours *
Percentage Sunshine
*
* Data from: Abbeville, France (67 KM, 42 Miles).
Boulogne-sur-Mer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boulogne-sur-Mer - and find the best time to visit.
Best Places in France in May
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Boulogne-sur-Mer in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Boulogne-sur-Mer in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Barbeque6/10 -
Camping4/10 -
Outdoor sports10/10
Boulogne-sur-Mer 3-Day Forecast
More climate data for Boulogne-sur-Mer
Temperature Rainfall Sunshine Humidity
See the full Boulogne-sur-Mer climate overview or explore weather in France.
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Where to go in May - average daytime high across popular destinations.
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The 10 most charming villages in France
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