Best Time to Visit Kostroma
Best time: Jun, Jul, Aug, May.
Jul is warmest (23.3°C high); Jul is rainiest (75 mm).
Kostroma weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -6.8 | -13.6 | 40 | 0.7 |
| Feb | -5.3 | -12.3 | 30 | 1.8 |
| Mar | 0.6 | -6.9 | 28 | 3.8 |
| Apr | 8.9 | 0.3 | 35 | 6 |
| May | 17 | 6.3 | 46 | 8.3 |
| Jun | 21.7 | 11.4 | 70 | 9 |
| Jul | 23.3 | 13.5 | 75 | 8.5 |
| Aug | 20.7 | 11.2 | 70 | 6.5 |
| Sep | 14.2 | 6 | 58 | 3.8 |
| Oct | 6.7 | 0.6 | 61 | 1.8 |
| Nov | -1.1 | -5.8 | 49 | 0.7 |
| Dec | -4.8 | -10.6 | 47 | 0.4 |
Average high temperature
Best months by activity
Overall: JunJulAugMay
Beaches: JulJun
Hiking: MayJunJulAug
Sightseeing: JunMayJulAug
Kostroma quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Oct, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Kostroma?
Jun, Jul, Aug, May.
What is the rainiest month?
Jul, about 75 mm.
What is the warmest month?
Jul, with average highs of 23.3°C.
Where to stay
See Kostroma hotels · Book Kostroma tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.