May weather forecast
Jonku, Finland

May

Weather in May

May, the last month of the spring in Jonku, is a fresh month, with an average temperature fluctuating between 12°C (53.6°F) and 3.5°C (38.3°F).

Temperature

With the onset of May, Jonku experiences a distinct temperature rise, with the average high-temperature advancing from April's icy 2.7°C (36.9°F) to a fresh 12°C (53.6°F). Throughout May, Jonku anticipates an average low-temperature of 3.5°C (38.3°F).

Humidity

The average relative humidity in May is 73%.

Rainfall

In Jonku, in May, during 16 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 134 rainfall days, and 527mm (20.75") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Jonku, during May, snow falls for 4.3 days and regularly aggregates up to 51mm (2.01") of snow. Throughout the year, there are 133.6 snowfall days, and 1512mm (59.53") of snow is accumulated.

Daylight

In Jonku, Finland, the average length of the day in May is 18h and 59min.
On the first day of May, sunrise is at 04:31 and sunset at 21:44. On the last day of the month, sunrise is at 02:42 and sunset at 23:34 EEST.

Sunshine

In Jonku, the average sunshine in May is 9.3h.

UV index

In Jonku, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the usual temperature for Jonku in May?
In May, in Jonku, the average high-temperature is 12°C (53.6°F), and the average low-temperature is 3.5°C (38.3°F).
What is the average humidity in May?
In May, the average relative humidity is 73%.
How many days does it rain in May?
In Jonku, in May, it is raining for 16 days, with typically 44mm (1.73") of accumulated precipitation.
How much does it snow in May?
In Jonku, during May, snow falls for 4.3 days and regularly aggregates up to 51mm (2.01") of snow.
How many hours of daylight does Jonku have in May?
In May, the average day length is 18h and 59min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 04:31 and sunset at 21:44. On the last day of the month, sunrise is at 02:42 and sunset at 23:34 EEST.
How long on average sun shines in May?
The average sunshine duration in May is 9.3h.
How high is the UV index in May?
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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 - Jonku, Finland
Average temperature in May
Jonku, Finland
  • Average high temperature in May: 12°C

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-7.7°C).

  • Average low temperature in May: 3.5°C

The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).

Average pressure in May - Jonku, Finland
Average pressure in May
Jonku, Finland
  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

Average wind speed in May - Jonku, Finland
Average wind speed in May
Jonku, Finland
  • Average wind speed in May: 11.2km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).

Average humidity in May - Jonku, Finland
Average humidity in May
Jonku, Finland
  • Average humidity in May: 73%

The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).

Average rainfall in May - Jonku, Finland
Average rainfall in May
Jonku, Finland
  • Average rainfall in May: 44mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in May - Jonku, Finland
Average rainfall days in May
Jonku, Finland
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in May - Jonku, Finland
Average snowfall in May
Jonku, Finland
  • Average snowfall in May: 51mm

The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in May - Jonku, Finland
Average snowfall days in May
Jonku, Finland
  • Average snowfall days in May: 4.3 days

The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May / Average sunshine in May - Jonku, Finland
Average daylight in May /
Average sunshine in May
Jonku, Finland
  • Average daylight in May: 19h and 0min

The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).

Average sunshine days in May - Jonku, Finland
Average sunshine days in May
Jonku, Finland
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).

Average UV index in May - Jonku, Finland
Average UV index in May
Jonku, 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, October, November and December (UV index 1).

Average cloud cover in May - Jonku, Finland
Average cloud cover in May
Jonku, Finland
  • Average cloud cover in May: 54

The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).

Average visibility in May - Jonku, Finland
Average visibility in May
Jonku, Finland
  • Average visibility in May: 9km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).

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