Ostashkov Travel Guide – Attractions & Tours

Ostashkov — Map

Climate & when to visit

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Typical weather in January

Poor

-20°–-2° · varies by region
-13° at night
4–14 rainy days · varies by region
3 sunny days
2 hours of sunshine per day
Dry air
Light breeze
4°C · too cold to swim
UV index 0 · low
8 hours of daylight

Typical weather in February

Poor

-18°–0° · varies by region
-13° at night
4–12 rainy days · varies by region
7 sunny days
4 hours of sunshine per day
Dry air
Light breeze
3°C · too cold to swim
UV index 1 · low
9 hours of daylight

Typical weather in March

Poor

-11°–5° · varies by region
-7° at night
6–12 rainy days · varies by region
11 sunny days
6 hours of sunshine per day
Dry air
Light breeze
3°C · too cold to swim
UV index 2 · low
11 hours of daylight

Typical weather in April

Poor

-4°–13° · varies by region
0° at night
8–12 rainy days · varies by region
9 sunny days
7 hours of sunshine per day
Dry air
Light breeze
5°C · too cold to swim
UV index 3 · moderate
14 hours of daylight

Typical weather in May

Good

5°–20° · varies by region
7° at night
10–15 rainy days · varies by region
10 sunny days
9 hours of sunshine per day
Dry air
Light breeze
10°C · too cold to swim
UV index 4 · moderate
16 hours of daylight

Typical weather in June

Great

12°–25° · varies by region
12° at night
11–16 rainy days · varies by region
9 sunny days
9 hours of sunshine per day
Dry air
Calm winds
14°C · too cold to swim
UV index 5 · moderate
17 hours of daylight

Typical weather in July

Good

16°–28° · varies by region
15° at night
10–18 rainy days · varies by region
10 sunny days
9 hours of sunshine per day
Comfortable humidity
Light breeze
19°C · cool for a dip
UV index 5 · moderate
17 hours of daylight

Typical weather in August

Great

14°–28° · varies by region
14° at night
7–16 rainy days · varies by region
10 sunny days
8 hours of sunshine per day
Dry air
Light breeze
20°C · cool for a dip
UV index 4 · moderate
15 hours of daylight

Typical weather in September

Good

8°–22° · varies by region
8° at night
8–14 rainy days · varies by region
8 sunny days
6 hours of sunshine per day
Dry air
Light breeze
17°C · too cold to swim
UV index 3 · moderate
12 hours of daylight

Typical weather in October

Poor

-2°–14° · varies by region
2° at night
9–16 rainy days · varies by region
5 sunny days
3 hours of sunshine per day
Dry air
Light breeze
12°C · too cold to swim
UV index 1 · low
10 hours of daylight

Typical weather in November

Poor

-10°–6° · varies by region
-5° at night
7–15 rainy days · varies by region
2 sunny days
2 hours of sunshine per day
Dry air
Light breeze
9°C · too cold to swim
UV index 0 · low
8 hours of daylight

Typical weather in December

Poor

-17°–0° · varies by region
-11° at night
6–16 rainy days · varies by region
2 sunny days
1 hour of sunshine per day
Dry air
Light breeze
6°C · too cold to swim
UV index 0 · low
7 hours of daylight

This destination spans several climate zones, so these figures are a range across the region rather than exact values. Climate data: NASA POWER (MERRA-2); NASA POWER + Copernicus ERA5-Land and ERA5; NASA POWER (MERRA-2); NASA POWER + Copernicus ERA5-Land; NASA POWER (MERRA-2); NASA POWER + Copernicus ERA5-Land and ERA5; NASA POWER + Copernicus ERA5; NASA POWER (MERRA-2); NASA POWER + Copernicus ERA5-Land and ERA5; NASA POWER (MERRA-2) · 1996–2025