May weather forecast
Irkutsk, Russia

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Weather in May

Compared to last month, May records a temperature rise to 16.3°C (61.3°F), signifying the onset of summer. As the Siberian city transitions into an entirely new season, May involves the celebration of the natural world in full bloom. Ideal for outdoor festivals and celebrations, the weather encourages locals and tourists to engage in various leisure activities. The city landscape undergoes a dramatic change with lush green forests replacing the thick snow blankets. The progressive rise in temperature peaking in June further amplifies the summer spirit in Irkutsk.

Temperature

As April transitions into May, Irkutsk sees a rise in the average high-temperature, moving from a chilly 8.6°C (47.5°F) to an enjoyable 16.3°C (61.3°F). Irkutsk reports a sharp reduction in temperature during May, averaging at a wintry 3.3°C (37.9°F) at night.

Humidity

May is the least humid month in Irkutsk, with an average relative humidity of 54%.

Rainfall

In Irkutsk, Russia, in May, during 13.2 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Irkutsk, during the entire year, the rain falls for 102.6 days and collects up to 310mm (12.2") of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 3.3 snowfall days, in May, Irkutsk aggregates 33mm (1.3") of snow. Throughout the year, there are 96.3 snowfall days, and 621mm (24.45") of snow is accumulated.

Daylight

In May, the average length of the day is 15h and 44min.
On the first day of the month, sunrise is at 05:31 and sunset at 20:28. On the last day of May, in Irkutsk, sunrise is at 04:47 and sunset at 21:13 +08.

Sunshine

The average sunshine in May is 10.5h.

UV index

In Irkutsk, Russia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the average May temperature in Irkutsk?

During May, Irkutsk experiences an average high-temperature of 16.3°C (61.3°F) and a low-temperature of 3.3°C (37.9°F).

What is the least humid month in Irkutsk?

The least humid month is May, with an average relative humidity of 54%.

What is the average humidity in May in Irkutsk?

The average relative humidity in May in Irkutsk, Russia, is 54%.

How many days does it rain in May in Irkutsk?

In Irkutsk, Russia, in May, it is raining for 13.2 days, with typically 32mm (1.26") of accumulated precipitation.

What is the last month it snows in Irkutsk?

May is the last month it regularly snows. During 3.3 snowfall days, in May, Irkutsk aggregates 33mm (1.3") of snow.

How many hours of daylight does Irkutsk have in May?

The average day length in May in Irkutsk, Russia, is 15h and 44min.

When is the sunrise / sunset in May in Irkutsk?

In May, on the first day of the month, sunrise is at 05:31 and sunset at 20:28. On the last day of the month, sunrise is at 04:47 and sunset at 21:13 +08.

How long on average sun shines in May in Irkutsk?

The average sunshine duration in May in Irkutsk is 10.5h.

How high is the UV index in May in Irkutsk?

In Irkutsk, Russia, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Irkutsk, Russia

Average temperature in May - Irkutsk, Russia
  • Average high temperature in May: 16.3°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-13.4°C).

  • Average low temperature in May: 3.3°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-23.8°C).

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Average pressure in May
Irkutsk, Russia

Average pressure in May - Irkutsk, Russia
  • Average pressure in May: 1012.8mbar

The month with the highest atmospheric pressure is January (1033.4mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).

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Average wind speed in May
Irkutsk, Russia

Average wind speed in May - Irkutsk, Russia
  • Average wind speed in May: 9.8km/h

The windiest month (with the highest average wind speed) is May (9.8km/h).
The calmest month (with the lowest average wind speed) is January (5.7km/h).

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Average humidity in May
Irkutsk, Russia

Average humidity in May - Irkutsk, Russia
  • Average humidity in May: 54%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (54%).

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Average rainfall in May
Irkutsk, Russia

Average rainfall in May - Irkutsk, Russia
  • Average rainfall in May: 32mm

The wettest month (with the highest rainfall) is July (65mm).
The driest months (with the least rainfall) are January and February (7mm).

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Average rainfall days in May
Irkutsk, Russia

Average rainfall days in May - Irkutsk, Russia
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in May
Irkutsk, Russia

Average snowfall in May - Irkutsk, Russia
  • Average snowfall in May: 33mm

The month with the highest snowfall is March (123mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days in May
Irkutsk, Russia

Average snowfall days in May - Irkutsk, Russia
  • Average snowfall days in May: 3.3 days

The month with the highest number of snowfall days is December (16.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Irkutsk, Russia

Average daylight in May / Average sunshine in May - Irkutsk, Russia
  • Average daylight in May: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in May
Irkutsk, Russia

Average sunshine days in May - Irkutsk, Russia
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.2 days).

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Average UV index in May
Irkutsk, Russia

Average UV index in May - Irkutsk, Russia
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in May
Irkutsk, Russia

Average cloud cover in May - Irkutsk, Russia
  • Average cloud cover in May: 36

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in May
Irkutsk, Russia

Average visibility in May - Irkutsk, Russia
  • Average visibility in May: 9km

The month with the highest visibility is June (10km).
The month with the lowest visibility is January (4km).

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Irkutsk, Russia

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