Kostroma Weather in August
Kostroma in August sees high daytime temperatures of 22°C (72°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 75 mm (3 in), so pack a rain jacket to stay dry.
Rainfall in Kostroma in August
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 75 mm (3 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Kostroma in August
Weather in Kostroma is at its perfect in August. Highs reach 22°C (72°F), while nights settle around 12°C (54°F). The summer season takes place during August. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Kostroma in August
The city usually sees around 230 hours of sunlight, indicating many sunny days — a great month for sightseeing.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Kostroma's climate page.
Kostroma Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Chance of Rain
50%
Precipitation
75 mm (3 in)
Rainy days
15 days
Humidity
78%
Sunshine
230 hours
Percentage Sunshine
Historical weather for Kostroma in August
Browse day-by-day weather records for Kostroma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kostroma historical weather extremes in August
Based on 19 years of weather observations in Kostroma between 2006 and 2025, these are the recorded extremes.
- The warmest day in August was on August 8, 2010, with a maximum of 36°C (97°F).
- The lowest daytime temperature in August was 9°C (48°F), recorded on August 30, 2010.
- The coldest night in August in Kostroma was on August 24, 2015, with a minimum of 2°C (36°F).
- The wettest day in August Kostroma was on August 9, 2019 with 24 mm (0.9 in) of precipitation.
Best Places in Russia in August
Find out more about the weather in Russia and which places have the best travel conditions in this month. See all of Russia in August →
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What to Wear in Kostroma in August
For Kostroma in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Kostroma in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Kostroma's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kostroma climate overview or explore weather in Russia.
