May weather forecast and climate
Grandville, Belgium

Weather in May

May, the last month of the spring, in Grandville, is a comfortable month, with average temperature fluctuating between 7.4°C (45.3°F) and 17°C (62.6°F).

Temperature

In Grandville, the average high-temperature is almost the same as in April - a comfortable 17°C (62.6°F). The average low-temperature, in Grandville, is 7.4°C (45.3°F).

Humidity

In Grandville, Belgium, the average relative humidity is 80%.

Rainfall

In Grandville, during May, the rain falls for 17.3 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, in Grandville, there are 176.9 rainfall days, and 484mm (19.06") of precipitation is accumulated.

Snowfall

In Grandville snow does not fall in April through October.

Daylight

In Grandville, the average length of the day is 15.5h.

Sunshine

In Grandville, the average sunshine is 8.5h.

UV index

In Grandville, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in May in Grandville?

In May, in Grandville, Belgium, the average high-temperature is 17°C (62.6°F), and the average low-temperature is 7.4°C (45.3°F).

What is the average humidity in May in Grandville?

In Grandville, Belgium, the average relative humidity in May is 80%.

How much does it rain in Grandville in May?

In Grandville, in May, it is raining for 17.3 days, with typically 42mm (1.65") of accumulated precipitation.

When it does not snow in Grandville?

In Grandville, Belgium, snow does not fall in April through October.

How many hours of daylight does Grandville have in May?

In May, the average length of the day is 15.5h.

How many hours of sunshine does Grandville have in May?

The average sunshine in May in Grandville, Belgium, is 8.5h.

What is the UV index intensity in May in Grandville?

The average daily maximum UV index in May in Grandville is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Grandville, Belgium

Average temperature in May - Grandville, Belgium
  • Average high temperature in May: 17°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in May: 7.4°C

The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (0°C).

[Resources]

Average pressure in May
Grandville, Belgium

Average pressure in May - Grandville, Belgium
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

[Resources]

Average wind speed in May
Grandville, Belgium

Average wind speed in May - Grandville, Belgium
  • Average wind speed in May: 11.5km/h

The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

[Resources]

Average humidity in May
Grandville, Belgium

Average humidity in May - Grandville, Belgium
  • Average humidity in May: 80%

Months with the highest relative humidity are January and December (88%).
Months with the lowest relative humidity are April and August (77%).

[Resources]

Average rainfall in May
Grandville, Belgium

Average rainfall in May - Grandville, Belgium
  • Average rainfall in May: 42mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (24mm).

[Resources]

Average rainfall days in May
Grandville, Belgium

Average rainfall days in May - Grandville, Belgium
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is August (17.8 days).
Months with the least rainy days are February and September (11.6 days).

[Resources]

Average snowfall in May
Grandville, Belgium

Average snowfall in May - Grandville, Belgium
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (49mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in May
Grandville, Belgium

Average snowfall days in May - Grandville, Belgium
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.4 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Grandville, Belgium

Average daylight in May / Average sunshine in May - Grandville, Belgium
  • Average daylight in May: 15.5h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in May: 8.5h

The month with the most sunshine is August (Average sunshine: 9.3h).
The month with the least sunshine is December (Average sunshine: 3.8h).

[Resources]

Average sunshine days in May
Grandville, Belgium

Average sunshine days in May - Grandville, Belgium
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is September (16 days).
The month with the least sunshine days is December (10.6 days).

[Resources]

Average UV index in May
Grandville, Belgium

Average UV index in May - Grandville, Belgium
  • Average UV index in May: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in May
Grandville, Belgium

Average cloud cover in May - Grandville, Belgium
  • Average cloud cover in May: 45

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 40).

[Resources]

Average visibility in May
Grandville, Belgium

Average visibility in May - Grandville, Belgium
  • Average visibility in May: 9km

Months with the highest visibility are February, March, April, May, June, July, August and October (9km).
Months with the lowest visibility are January, September, November and December (8km).

[Resources]