May weather forecast
Terhola, Finland

May

Weather in May

The last month of the spring, May, is a moderate month in Terhola, Finland, with an average temperature fluctuating between 6.6°C (43.9°F) and 13.9°C (57°F).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a frosty 6.8°C (44.2°F) in April to a mild 13.9°C (57°F). Terhola temperatures generally rest at a low of 6.6°C (43.9°F) during the May nights.

Humidity

The least humid month in Terhola, Finland, is May, with an average relative humidity of 69%.

Rainfall

May is the month with the least rainfall in Terhola. Rain falls for 8.3 days and accumulates 15mm (0.59") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Terhola. May is the last month it regularly snows. During 0.6 snowfall days, in May, Terhola aggregates 12mm (0.47") of snow. Throughout the year, in Terhola, there are 53.9 snowfall days, and 433mm (17.05") of snow is accumulated.

Daylight

In Terhola, the average length of the day in May is 17h and 22min.
On the first day of the month, sunrise is at 05:11 and sunset at 21:20. On the last day of May, sunrise is at 04:01 and sunset at 22:31 EEST.

Sunshine

In May, the average sunshine in Terhola is 10.1h.

UV index

In May, the average daily maximum UV index in Terhola, Finland, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the temperature in May in Terhola?
The high-temperature, in May, in Terhola, records 13.9°C (57°F), while the low-temperature is 6.6°C (43.9°F).
What is the least humid month in Terhola?
With an average relative humidity of 69%, May is the least humid month in Terhola.
What is the average humidity in May in Terhola?
The average relative humidity in May in Terhola, Finland, is 69%.
What is the driest month in Terhola?
May is the month with the least rainfall in Terhola. Rain falls for 8.3 days and accumulates 15mm (0.59") of precipitation.
How many days does it rain in May in Terhola?
In Terhola, Finland, in May, during 8.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated.
What is the last month it snows in Terhola?
May is the last month it regularly snows in Terhola, Finland. During 0.6 snowfall days, in May, Terhola aggregates 12mm (0.47") of snow.
What is the average length of the day in May in Terhola?
The average day length in May is 17h and 22min.
What time are sunrise and sunset in May in Terhola?
On the first day of May in Terhola, sunrise is at 05:11 and sunset at 21:20. On the last day of the month, sunrise is at 04:01 and sunset at 22:31 EEST.
How many hours of sunshine does Terhola have in May?
In Terhola, the average sunshine duration in May is 10.1h.
What is the UV index intensity in May in Terhola?
In Terhola, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Terhola, Finland
  • Average high temperature in May: 13.9°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).

  • Average low temperature in May: 6.6°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average pressure in May
Terhola, Finland
  • Average pressure in May: 1014.9mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).

Average wind speed in May
Terhola, Finland
  • Average wind speed in May: 12km/h

The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).

Average humidity in May
Terhola, Finland
  • Average humidity in May: 69%

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).

Average rainfall in May
Terhola, Finland
  • Average rainfall in May: 15mm

The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).

Average rainfall days in May
Terhola, Finland
  • Average rainfall days in May: 8.3 days

The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).

Average snowfall in May
Terhola, Finland
  • Average snowfall in May: 12mm

The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Terhola, Finland
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Terhola, Finland
  • Average daylight in May: 17h and 2min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

Average sunshine days in May
Terhola, Finland
  • Average sunshine days in May: 21.9 days

The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).

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

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

Average cloud cover in May
Terhola, Finland
  • Average cloud cover in May: 40

The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in May
Terhola, 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 February and March (7km).

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