May weather forecast
Karis, Finland

May

Weather in May

The last month of the spring, May, is a fresh month in Karis, Finland, with temperature in the range of an average high of 11.6°C (52.9°F) and an average low of 7°C (44.6°F).

Temperature

Karis experiences a temperature shift with the start of May, with average high-temperatures moving from an icy 5.6°C (42.1°F) in April to a cool 11.6°C (52.9°F). During the May nights, Karis's temperature maintains an average close to the daytime highs, settling at a chilly 7°C (44.6°F).

Humidity

May is the least humid month, with an average relative humidity of 74%.

Rainfall

In Karis, in May, it is raining for 13.3 days, with typically 33mm (1.3") of accumulated precipitation. In Karis, during the entire year, the rain falls for 165.7 days and collects up to 567mm (22.32") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Karis aggregates 17mm (0.67") of snow. In Karis, during the entire year, snow falls for 75.3 days and aggregates up to 562mm (22.13") of snow.

Daylight

In May, the average length of the day in Karis is 17h and 13min.
On the first day of May in Karis, sunrise is at 05:20 and sunset at 21:23. On the last day of the month, sunrise is at 04:14 and sunset at 22:32 EEST.

Sunshine

The average sunshine in May in Karis is 10.2h.

UV index

In Karis, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the UV index of 4 transforms into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What is the usual temperature for Karis in May?
In May, the average high-temperature and low-temperature in Karis are 11.6°C (52.9°F) and 7°C (44.6°F) respectively.
What is the least humid month in Karis?
The least humid month in Karis, Finland, is May, with an average relative humidity of 74%.
What is the average humidity in May in Karis?
In Karis, Finland, the average relative humidity in May is 74%.
How much does it rain in Karis in May?
In Karis, in May, it is raining for 13.3 days, with typically 33mm (1.3") of accumulated precipitation.
What is the last month it snows in Karis?
May is the last month it regularly snows in Karis, Finland. During 0.8 snowfall days, in May, Karis aggregates 17mm (0.67") of snow.
How many hours of daylight does Karis have in May?
In Karis, the average day length in May is 17h and 13min.
When are sunrise and sunset in May in Karis?
On the first day of May in Karis, sunrise is at 05:20 and sunset at 21:23. On the last day of the month, sunrise is at 04:14 and sunset at 22:32 EEST.
How many hours of sunshine does Karis have in May?
The average sunshine duration in May is 10.2h.
How high is the UV index in May in Karis?
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Karis, Finland
  • Average high temperature in May: 11.6°C

The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in May: 7°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

Average pressure in May
Karis, Finland
  • Average pressure in May: 1015mbar

The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

Average wind speed in May
Karis, Finland
  • Average wind speed in May: 14.9km/h

The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).

Average humidity in May
Karis, Finland
  • Average humidity in May: 74%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (74%).

Average rainfall in May
Karis, Finland
  • Average rainfall in May: 33mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in May
Karis, Finland
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (7 days).

Average snowfall in May
Karis, Finland
  • Average snowfall in May: 17mm

The month with the highest snowfall is January (136mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Karis, Finland
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Karis, Finland
  • Average daylight in May: 17h and 1min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average sunshine days in May
Karis, Finland
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.4 days).

Average UV index in May
Karis, Finland
  • Average UV index in May: 4

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in May
Karis, Finland
  • Average cloud cover in May: 39

The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in May
Karis, Finland
  • Average visibility in May: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).

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