Measurements:
°C
°F
Irkutsk
40°F
N 2 mph
Feels like: 40°F
Precip: 23%
World Resorts Russia Irkutsk Weather May Weather in Irkutsk

Irkutsk Weather: May

Average Day Temperature: 59.9°F
Average Night Temperature: 43.4°F
Sea Water Temperature: 35.4°F
Number of Sunny Days: 13 days
Sunshine Hours: 14.9 - 16.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 86°F. The lowest night temperature was 30°F. The average values for day and night temperatures during May were 59.1°F и 42.7°F respectivly.

Irkutsk Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Irkutsk was 36.4°F. The maximum and minimum values were 33.0°F and 46.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Irkutsk is 1.4 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 6.9 mph. It makes May the most windy month of the year for Irkutsk.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Irkutsk in May is 9.4 hours.

Best Time to Visit Irkutsk
The most sunny months:
June 16 days
July 16 days
August 15 days
The most warm months:
July 79.3 °F
June 75.2 °F
August 73.3 °F
Warmest sea temperature:
August 60.2 °F
July 55.1 °F
September 54.7 °F
The most cold months:
January -2.1 °F
December 2.7 °F
February 5.9 °F
The most rainy months:
May 3 days
July 3 days
August 3 days
The most windy months:
May 7 mph
April 6 mph
June 6 mph

Irkutsk on the Weather Map

Russia Resorts:
NAME
Adler +62
Anapa +64
Dombay +40
Gelendzhik +62
Golubickaya +62
Lazarevskoye +64
Moscow +64
Novorossiysk +60
Seliger +58
Sirius +62
Sochi +62
St Petersburg +60
Yaroslavl +50
Yeisk +66
Zelenogradsk +56
24 Hours Weather Forecast
Irkutsk
Local time: 06:05
05 jun, friday
0900 54°F
E
3 mph
1200 64°F
SE
4 mph
1500 68°F
S
4 mph
1800 68°F
SE
5 mph
2100 56°F
SE
3 mph
06 jun, saturday
0000 48°F
NE
2 mph
0300 46°F
NE
2 mph
0600 50°F
NE
1 mph