Measurements:
°C
°F
Kostroma
52°F
SE 5 mph
Feels like: 50°F
Precip: 22%
World Resorts Russia Kostroma Weather May Weather in Kostroma

Kostroma Weather: May

Average Day Temperature: 61.7°F
Average Night Temperature: 46.9°F
Number of Sunny Days: 11 days
Sunshine Hours: 15.6 - 17.6 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.6 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 85°F. The lowest night temperature was 30°F. The average values for day and night temperatures during May were 62.7°F и 49.2°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Kostroma is 2.6 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 8.5 mph. This value is relatively stable throughout the year.

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 Kostroma in May is 8.9 hours.

Best Time to Visit Kostroma
The most sunny months:
July 14 days
August 14 days
June 11 days
The most warm months:
July 76.6 °F
August 74.2 °F
June 70.5 °F
The most cold months:
January 12.8 °F
February 17.2 °F
December 19.9 °F
The most rainy months:
July 7 days
May 5 days
June 5 days
The most windy months:
December 9 mph
November 9 mph
April 9 mph

Kostroma on the Weather Map

Russia Resorts:
NAME
Adler +64
Anapa +64
Dombay +38
Gelendzhik +60
Golubickaya +62
Lazarevskoye +64
Moscow +60
Novorossiysk +58
Seliger +56
Sirius +64
Sochi +62
St Petersburg +56
Yaroslavl +50
Yeisk +68
Zelenogradsk +52
24 Hours Weather Forecast
Kostroma
Local time: 00:59
04 jun, thursday
0300 50°F
E
5 mph
0600 54°F
SE
6 mph
0900 56°F
S
7 mph
1200 60°F
S
7 mph
1500 64°F
S
7 mph
1800 62°F
S
7 mph
2100 52°F
SW
6 mph
05 jun, friday
0000 48°F
W
4 mph