May weather forecast
Iisaku, Estonia

Weather in May

May, the last month of the spring in Iisaku, is a cool month, with an average temperature ranging between max 12.8°C (55°F) and min 6.9°C (44.4°F).

Temperature

In May, the average high-temperature rises from a frosty 6°C (42.8°F) in April to a cool 12.8°C (55°F). The average low-temperature, in May, is 6.9°C (44.4°F).

Humidity

May and June, with an average relative humidity of 73%, are the least humid months.

Rainfall

In May, the rain falls for 12.3 days. Throughout May, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 151.8 rainfall days, and 510mm (20.08") of precipitation is accumulated.

Snowfall

Months with snowfall in Iisaku are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Iisaku aggregates 7mm (0.28") of snow. In Iisaku, during the entire year, snow falls for 90.8 days and aggregates up to 773mm (30.43") of snow.

Daylight

In Iisaku, the average length of the day in May is 16h and 59min.
On the first day of May, sunrise is at 05:12 and sunset at 21:03. On the last day of the month, sunrise is at 04:09 and sunset at 22:07 EEST.

Sunshine

In May, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Iisaku?

In Iisaku, Estonia, in May, the average high-temperature is 12.8°C (55°F), and the average low-temperature is 6.9°C (44.4°F).

What are the least humid months in Iisaku?

May and June, with an average relative humidity of 73%, are the least humid months in Iisaku.

What is the average humidity in May in Iisaku?

In May, the average relative humidity is 73%.

How many days does it rain in May in Iisaku?

In Iisaku, in May, during 12.3 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

What is the last month it snows in Iisaku?

May is the last month it regularly snows. During 0.9 snowfall days, in May, Iisaku aggregates 7mm (0.28") of snow.

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

In May, the average day length is 16h and 59min.

When is the sunrise / sunset in May in Iisaku?

In May, on the first day of the month, sunrise is at 05:12 and sunset at 21:03. On the last day of the month, in Iisaku, sunrise is at 04:09 and sunset at 22:07 EEST.

How long on average sun shines in May in Iisaku?

In Iisaku, the average sunshine duration in May is 9.7h.

What is the UV index reading in May in Iisaku?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Iisaku, Estonia

Average temperature in May - Iisaku, Estonia
  • Average high temperature in May: 12.8°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 (-2.8°C).

  • Average low temperature in May: 6.9°C

The month with the highest average low temperature is July (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-6°C).

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Average pressure in May
Iisaku, Estonia

Average pressure in May - Iisaku, Estonia
  • Average pressure in May: 1015.1mbar

The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1010mbar).

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Average wind speed in May
Iisaku, Estonia

Average wind speed in May - Iisaku, Estonia
  • Average wind speed in May: 13.4km/h

The windiest month (with the highest average wind speed) is December (20.8km/h).
The calmest month (with the lowest average wind speed) is May (13.4km/h).

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Average humidity in May
Iisaku, Estonia

Average humidity in May - Iisaku, Estonia
  • Average humidity in May: 73%

The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (73%).

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Average rainfall in May
Iisaku, Estonia

Average rainfall in May - Iisaku, Estonia
  • Average rainfall in May: 34mm

The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is April (29mm).

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Average rainfall days in May
Iisaku, Estonia

Average rainfall days in May - Iisaku, Estonia
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in May
Iisaku, Estonia

Average snowfall in May - Iisaku, Estonia
  • Average snowfall in May: 7mm

The month with the highest snowfall is January (164mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Iisaku, Estonia

Average snowfall days in May - Iisaku, Estonia
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Iisaku, Estonia

Average daylight in May / Average sunshine in May - Iisaku, Estonia
  • Average daylight in May: 16h and 59min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 19min).

  • Average sunshine in May: 9h and 42min

The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

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Average sunshine days in May
Iisaku, Estonia

Average sunshine days in May - Iisaku, Estonia
  • Average sunshine days in May: 16 days

The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (4.6 days).

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Average UV index in May
Iisaku, Estonia

Average UV index in May - Iisaku, Estonia
  • Average UV index in May: 4

The months with the highest UV index are June and July (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
Iisaku, Estonia

Average cloud cover in May - Iisaku, Estonia
  • Average cloud cover in May: 39

The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in May
Iisaku, Estonia

Average visibility in May - Iisaku, Estonia
  • Average visibility in May: 9km

The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is February (7km).

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