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Omsk Weather in May
During May, Omsk experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 7°C (45°F). Some rainfall is typical during this period.
Rainfall in Omsk in May
You can typically expect 11 days of rain this month, averaging around 40 mm (1.6 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Omsk in May
Weather in Omsk is at its excellent in May. Highs reach 20°C (68°F), while nights settle around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Omsk in May
Enjoy a sunny month with about 286 hours of sunshine, the clear skies make Omsk even more beautiful.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Omsk Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
20°C (68°F)
Chance of Rain
35%
Precipitation
40 mm (1.6 in)
Rainy days
11 days
Humidity
55%
Sunshine
286 hours
Percentage Sunshine
Omsk Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Omsk - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Omsk typically rise from around 16°C (61°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Omsk in May
Browse day-by-day weather records for Omsk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Omsk historical weather extremes in May
Based on 50 years of weather observations in Omsk between 1976 and 2026, these are the recorded extremes.
- On May 16, 2004, temperatures climbed to 36°C (97°F), marking the warmest May day on record.
- The coldest night in May in Omsk was on May 1, 2019, with a minimum of -8°C (18°F).
Best Places in Russia in May
Find out more about the weather in Russia and which places have the best travel conditions in this month. See all of Russia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Omsk in May
For Omsk in May, 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. Some rain is possible, so pack something to handle light showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Omsk in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping5/10 -
Outdoor sports10/10
Omsk 3-Day Forecast
More climate data for Omsk
Temperature Rainfall Sunshine Humidity
See the full Omsk climate overview or explore weather in Russia.
Popular in May
Where to go in May - average daytime high across popular destinations.
Gelendzhik
20°C (68°F) Anapa
20°C (68°F) Sochi
20°C (68°F) Adler19°C (66°F) Moscow20°C (68°F) Kazan20°C (68°F) Yekaterinburg18°C (64°F) Saint Petersburg16°C (61°F) Bucket list
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