Kostroma Climate by Month
Kostroma, Kostroma Oblast, Russia
Warm summers and bitterly cold winters, with rain spread through the year.
Kostroma has warm summers and bitterly cold winters, with rain spread through the year. Expect highs of 76°F (24°C) in July and 22°F (-5°C) in January, with the coldest nights (January) near 11°F (-12°C). About 23 in (590 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 79% relative humidity.
- Warmest month
- 76°F(24°C)
- Average high, July
- Coldest nights
- 11°F(-12°C)
- Average low, January
- Rain per year
- 23 in(590 mm)
- No clear rainy season
- Humidity
- 79%
- Sunniest: June
Best and worst months in Kostroma
Best for weatherJuly is the best time for weather in Kostroma: highs near 76°F (24°C) and about 2.7 in (69 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 22°F (-5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Kostroma weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 22°F(-5°C) | 11°F(-12°C) | 1.7 in(42 mm) | 93% | 0.4 |
| FebFebruary | 24°F(-4°C) | 12°F(-11°C) | 1.3 in(32 mm) | 88% | 1.1 |
| MarMarch | 34°F(1°C) | 20°F(-7°C) | 1.2 in(31 mm) | 80% | 2.4 |
| AprApril | 50°F(10°C) | 33°F(0°C) | 1.2 in(31 mm) | 68% | 3.8 |
| MayMay | 64°F(18°C) | 44°F(7°C) | 1.7 in(42 mm) | 63% | 5.2 |
| JunJune | 71°F(22°C) | 52°F(11°C) | 2.6 in(67 mm) | 69% | 5.6 |
| JulJulyBest | 76°F(24°C) | 57°F(14°C) | 2.7 in(69 mm) | 72% | 5.4 |
| AugAugust | 71°F(22°C) | 53°F(12°C) | 2.6 in(67 mm) | 74% | 4.2 |
| SepSeptember | 60°F(16°C) | 44°F(7°C) | 2.2 in(56 mm) | 84% | 2.4 |
| OctOctober | 46°F(8°C) | 35°F(2°C) | 2.4 in(60 mm) | 83% | 1.1 |
| NovNovember | 32°F(0°C) | 24°F(-4°C) | 1.9 in(47 mm) | 96% | 0.4 |
| DecDecember | 25°F(-4°C) | 16°F(-9°C) | 1.8 in(46 mm) | 79% | 0.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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