The hottest month in Omsk is typically July, with daytime highs averaging around 24.7°C (76°F), based on 10 years of historical weather data. Overnight lows during this period average near 15.4°C (60°F).

What is the coldest month in Omsk?

The coldest month in Omsk is typically January, with overnight lows averaging around -19.2°C (-3°F) and daytime highs near -12°C (10°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.

Does Omsk have a rainy season?

Omsk doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. July is the wettest month on average (about 70 mm), while February is the driest (about 17 mm).

What's the best time of year to visit Omsk?

The best time to visit Omsk is typically May to June, when daytime highs average a comfortable 20.8°C (69°F). Rainfall during this window averages around 51 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

14 km/h

ESE · Gentle Breeze · Max 17 km/h

Humidity

31 %

Comfortable

UV Index

Moderate

Visibility

14 km

Excellent

Pressure

1010 hPa

Stable

Dew Point

8°C

Comfortable

Today vs Normal

30°C+13° above normal

The long-term average high for today is 17°C.

21 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

✅ Good for Outdoors

UV index is 4 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Conditions are comfortable for outdoor activity at most points during the day today.