Ostend Weather in May
During May, Ostend experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 62 mm (2.4 in) is typical.
Rainfall in Ostend in May
Typically around 16 days of rainfall are expected, averaging 62 mm (2.4 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Ostend in May
May in Ostend sees highs of 16°C (61°F) and lows of 11°C (52°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Ostend in May
The days are predominantly sunny, with an estimated total of around 220 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Ostend in May
Average wind conditions reach 6 m/s (12 knots) in May. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Ostend's climate page.
Ostend Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Chance of Rain
52%
Precipitation
62 mm (2.4 in)
Rainy days
16 days
Humidity
84%
Windspeed
6 m/s (12 knots)
Sunshine
220 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ostend typically rise from around 14°C (57°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Ostend in May
Browse day-by-day weather records for Ostend spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ostend historical weather extremes in May
Based on weather observations in Ostend between 1976 and 2025, these are the recorded extremes during May.
- The warmest day in May was on May 27, 2005, with a maximum of 32°C (90°F).
- The coldest May day was on May 2, 1979, with a maximum of 7°C (45°F).
- The lowest overnight temperature recorded in May was -1°C (30°F) (May 1, 1976).
Best Places in Belgium in May
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Ostend in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Ostend in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Ostend's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ostend climate overview or explore weather in Belgium.
