May weather forecast
Grinau, Germany

May

Weather in May

The last month of the spring, May, is a moderate month in Grinau, Germany, with an average temperature varying between 15.9°C (60.6°F) and 7.4°C (45.3°F).

Temperature

As Grinau enters May, the average high-temperature marginally increases from the a cool 12.8°C (55°F) of April to a refreshing 15.9°C (60.6°F). An average nighttime temperature of 7.4°C (45.3°F) is witnessed throughout May.

Humidity

In Grinau, Germany, the average relative humidity in May is 81%.

Rainfall

In Grinau, during May, the rain falls for 14.8 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Grinau, there are 167.7 rainfall days, and 403mm (15.87") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Grinau, Germany.

Daylight

In May, the average length of the day in Grinau is 15h and 58min.
On the first day of May, sunrise is at 05:40 and sunset at 20:49. On the last day of the month, sunrise is at 04:54 and sunset at 21:37 CEST.

Sunshine

The average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 4 suggests this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the average May temperature in Grinau?
The average high-temperature, in May, in Grinau, is 15.9°C (60.6°F), while the average low-temperature is 7.4°C (45.3°F).
What is the average humidity in May in Grinau?
In Grinau, Germany, the average relative humidity in May is 81%.
How many days does it rain in May in Grinau?
In May, in Grinau, Germany, the rain falls for 14.8 days. Throughout May, 31mm (1.22") of precipitation is accumulated.
When it does not snow in Grinau?
May through October are months without snowfall.
Does it snow in Grinau in May?
In May, it doesn't snow. April is the latest month when it typically snows.
What is the average length of the day in May in Grinau?
In May, the average day length in Grinau is 15h and 58min.
What time are sunrise and sunset in May in Grinau?
In May, on the first day of the month, sunrise is at 05:40 and sunset at 20:49. On the last day of the month, sunrise is at 04:54 and sunset at 21:37 CEST.
How many hours of sunshine does Grinau have in May?
In May, the average sunshine duration in Grinau, Germany, is 8.5h.
What is the UV index intensity in May in Grinau?
The average daily maximum UV index in May in Grinau is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
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
Average temperature in May
Grinau, Germany
  • Average high temperature in May: 15.9°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in May: 7.4°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).

Average pressure in May
Grinau, Germany
  • Average pressure in May: 1015.8mbar

The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

Average wind speed in May
Grinau, Germany
  • Average wind speed in May: 14.4km/h

The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).

Average humidity in May
Grinau, Germany
  • Average humidity in May: 81%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).

Average rainfall in May
Grinau, Germany
  • Average rainfall in May: 31mm

The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in May
Grinau, Germany
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in May
Grinau, Germany
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Grinau, Germany
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Grinau, Germany
  • Average daylight in May: 16h and 0min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in May
Grinau, Germany
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (10.1 days).

Average UV index in May
Grinau, Germany
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in May
Grinau, Germany
  • Average cloud cover in May: 45

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in May
Grinau, Germany
  • Average visibility in May: 9km

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

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