May weather forecast
Iniö, Finland

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Weather in May

May, the last month of the spring in Iniö, is a moderate month, with an average temperature varying between 13.2°C (55.8°F) and 6.7°C (44.1°F).

Temperature

Iniö's weather in May presents a rise in the average high-temperature, moving from a frosty 6.8°C (44.2°F) in April to a refreshing 13.2°C (55.8°F). In the month of May, Iniö witnesses a consistent average low-temperature of 6.7°C (44.1°F).

Humidity

May is the least humid month, with an average relative humidity of 71%.

Rainfall

In Iniö, Finland, during May, the rain falls for 12 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Iniö, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.

Snowfall

Months with snowfall in Iniö are January through May, October through December. May is the last month it regularly snows in Iniö. During 0.8 snowfall days, in May, Iniö aggregates 13mm (0.51") of snow. In Iniö, during the entire year, snow falls for 60.5 days and aggregates up to 454mm (17.87") of snow.

Sea temperature

In Iniö, the average seawater temperature in May is 3.8°C (38.8°F).
Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly.

Daylight

In Iniö, the average length of the day in May is 17h and 17min.
On the first day of the month, sunrise is at 05:28 and sunset at 21:34. On the last day of May, in Iniö, sunrise is at 04:19 and sunset at 22:44 EEST.

Sunshine

The average sunshine in May in Iniö is 10.2h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are May temperatures in Iniö?

May temperatures vary between a high-temperature of 13.2°C (55.8°F) and a low-temperature of 6.7°C (44.1°F).

What is the least humid month in Iniö?

May is the least humid month in Iniö, with an average relative humidity of 71%.

What is the average humidity in May in Iniö?

In Iniö, the average relative humidity in May is 71%.

How much does it rain in Iniö in May?

In Iniö, Finland, in May, during 12 rainfall days, 27mm (1.06") of precipitation is typically accumulated.

What is the last month it snows in Iniö?

May is the last month it regularly snows in Iniö. During 0.8 snowfall days, in May, Iniö aggregates 13mm (0.51") of snow.

What is the sea temperature in May in Iniö?

In May, the average sea temperature in Iniö is 3.8°C (38.8°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in May in Iniö?

In May, the average day length in Iniö, Finland, is 17h and 17min.

When are sunrise and sunset in May in Iniö?

In May, on the first day of the month, sunrise is at 05:28 and sunset at 21:34. On the last day of the month, in Iniö, sunrise is at 04:19 and sunset at 22:44 EEST.

How many hours of sunshine does Iniö have in May?

In Iniö, Finland, the average sunshine duration in May is 10.2h.

What is the UV index intensity in May in Iniö?

In May, the average daily maximum UV index in Iniö is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Iniö, Finland

Average temperature in May - Iniö, Finland
  • Average high temperature in May: 13.2°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).

  • Average low temperature in May: 6.7°C

The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).

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Average pressure in May
Iniö, Finland

Average pressure in May - Iniö, 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 (1007.6mbar).

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Average wind speed in May
Iniö, Finland

Average wind speed in May - Iniö, Finland
  • Average wind speed in May: 14.4km/h

The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).

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Average humidity in May
Iniö, Finland

Average humidity in May - Iniö, Finland
  • Average humidity in May: 71%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in May
Iniö, Finland

Average rainfall in May - Iniö, Finland
  • Average rainfall in May: 27mm

The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).

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Average rainfall days in May
Iniö, Finland

Average rainfall days in May - Iniö, Finland
  • Average rainfall days in May: 12 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall in May
Iniö, Finland

Average snowfall in May - Iniö, Finland
  • Average snowfall in May: 13mm

The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Iniö, Finland

Average snowfall days in May - Iniö, Finland
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Iniö, Finland

Average sea temperature in May - Iniö, Finland
  • Average sea temperature in May: 3.8°C

The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).

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Average daylight in May /
Average sunshine in May
Iniö, Finland

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

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

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Average sunshine days in May
Iniö, Finland

Average sunshine days in May - Iniö, Finland
  • Average sunshine days in May: 17.2 days

The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).

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Average UV index in May
Iniö, Finland

Average UV index in May - Iniö, Finland
  • Average UV index in May: 4

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

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Average cloud cover in May
Iniö, Finland

Average cloud cover in May - Iniö, Finland
  • Average cloud cover in May: 40

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in May
Iniö, Finland

Average visibility in May - Iniö, Finland
  • Average visibility in May: 10km

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

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Iniö, Finland

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