Climate and monthly weather forecastOmsk, Russia
Climate and monthly weather forecast
The climate of Omsk
In terms of the Köppen climate classification, Omsk in Russia falls under the Dfb category which signifies a humid continental climate with warm summers and a clear absence of a dry season. Located in southwestern Siberia, this geographical illustration plays a critical role in shaping Omsk's weather spectrum throughout the year.A glance at the climate parameters reveals a wide range of temperatures, fluctuating from a chilling -20.8°C (-5.4°F) in winter months to a relatively pleasant 24.3°C (75.7°F) in summer. Humidity also sees notable shifts, peaking at 96% in February and decreasing to 52% in May. The prevalence of clouds varies substantially throughout the year, with cloud cover hitting 78% in February and dropping to its lowest, 34%, from June to August.
Rainfall and snowfall trends in Omsk display distinct patterns. While snowfall is unseen from June to September, rainfall takes up the slack, climbing to a high of 42mm (1.65") in June. Notably, June seems to be the month with maximum precipitation in terms of both rain and snowfall.
The best time to visit Omsk
For those who appreciate a warm yet comfortable climate, June to August emerges as an ideal time with daytime temperatures varying from 23.3°C (73.9°F) to 24.3°C (75.7°F). This period also coincides with the maximum daylight hours, ranging from 16.2 hours in May to 17.3 hours in June, promising longer days for sightseeing and exploration. Moreover, the UV index is at its highest during this period, varying from 5 in June to 6 in July, meaning better weather conditions for outdoor activities.The worst time to visit Omsk
On the contrary, the harsh, freezing winter months from November to February deter many visitors from planning a trip to Omsk. During this period, the temperature can plummet to as low as -20.8°C (-5.4°F) in January, with snowfall reaching up to 98mm (3.86") to 103mm (4.06") from November to December. Despite the enticing allure of winter aesthetics, the relentless cold might not be welcoming for all.Spring weather in Omsk
In Omsk, spring emerges in March and lasts until May. The months of spring witness a gradual increase in temperature with March starting at a modest -2.9°C (26.8°F) and May reaching up to 17.4°C (63.3°F). Rainfall also shows a steady rise from 17mm (0.67") to 27mm (1.06") during these months. With relative humidity dropping to 52% in May, it offers a reprieve from the high humidity prevalent during the winter months.Summer weather in Omsk
With average temperatures oscillating between 23.3°C (73.9°F) and 24.3°C (75.7°F), summer, which spans from June to August, welcomes a comfortable warmth after the long, frozen winter. However, summer also brings substantial rainfall with July witnessing the maximum downpour of 42mm (1.65"). But undeterred by the rainfall, the sunny hours of summer extend from 10.9 hours in May to a whopping 12.1 hours in June.Autumn weather in Omsk
Autumn in Omsk, occurring from September to November, ushers in a drop in temperature, as well as decreasing daylight hours. September starts on a warmer note with a temperature of 16.1°C (61°F), but November sends down a chill with temperatures falling to -4.5°C (23.9°F). While rainfall drops to 18mm (0.71") in September and further to 19mm (0.75") in November, snowfall starts making its appearance from October with 41mm (1.61") that ultimately intensifies to 103mm (4.06") in November.Winter weather in Omsk
The intrusion of winter in Omsk is nothing short of harsh, characterized by exceptionally low temperatures and increased snowfall. Beginning in December, the winter continues until February, bringing temperatures as low as -17.1°C (1.2°F) and -20.8°C (-5.4°F) respectively. Correspondingly, snowfall peaks during winter with a high of 98mm (3.86") in December and 81mm (3.19") in February. Short daylight hours ranging between 7.3 hours in December to 7.9 hours in January further underscore the severe nature of winter in this region.Weather in January
Descending into the frigid depths of winter, Omsk, Russia, reveals January's stark landscape. A stark contrast to the mild conditions of December, temperatures regularly plummet to freezing lows of -20.8°C (-5.4°F), further emphasized by the 74mm (2.91") of snowfall that blankets the city. Weather in January »Weather in February
February maintains the winter's icy grip on Omsk. Elusive sunlight becomes somewhat more prominent, yet the temperatures remain harsh with only a slight elevation from January. Snowfall continues to coat the streets, accumulating on rooftops and tree branches. Weather in February »Weather in March
March introduces the first whispers of the approaching spring season. A significant rise in temperature compared to its predecessor, February, the deeply frozen ground starts to thaw. Days gradually start to lengthen, with sunlight becoming increasingly present. Weather in March »Weather in April
April marks a notable thermal transformation in Omsk. The average temperature shifts from the subzero of March up to 8.9°C (48°F), conferring a relatively mild, inviting ambiance. As the last vestiges of snow melt away, they usher in an array of multicolored blossoms. Weather in April »Weather in May
May further advances spring's agenda, elevating temperatures to pleasant highs of 17.4°C (63.3°F). A noticeable difference from the refreshing climate of April, the city breathes in the warmth and vibrancy of spring. Experiencing a natural revival, the parks are awash with greenery and blossoming flowers. Weather in May »Weather in June
Initiating the summer season, June presents significantly warmer conditions compared to the mild temperatures enjoyed in May. It is the time of the year in Omsk when the sun seems reluctant to set. Despite the high amounts of rainfall recorded, the weather remains predominantly hot and dry. Weather in June »Weather in July
July marks the pinnacle of the summer season in Omsk, making it the hottest month with temperatures soaring to an average high of 24.3°C (75.7°F). The climb in temperature compared to that of June is distinctly evident to residents and visitors. Weather in July »Weather in August
August brings a mild respite from July's intensifying heat, yet the summer warmth still lingers prominently. The mercury slides only slightly compared to the previous month's peak, providing a balance between heat and cool afternoon breezes. Weather in August »Weather in September
September introduces the first traces of autumn as the summer heat recedes progressively. The nip of autumn becomes subtly pronounced, contrasting sharply with the warmth of August. Leaves begin their transformation into a spectacle of red and gold, painting the city in vivid fall colors. Weather in September »Weather in October
October's chill deepens as autumn firmly establishes its grip on Omsk. A stark deviation from the brisk climate of September, residents are prompted to retrieve their cozy scarves and boots. Whereas fall colors peaked in the previous month, their intensity starts to wane. Weather in October »Weather in November
Entering November, Omsk is well on its way towards the depth of winter. A significant drop in temperature from October's moderate degrees marks the arrival of the colder months. Snowfall becomes commonplace, gradually transforming the cityscape into a winter wonderland. Weather in November »Weather in December
Welcoming the final month of the year, Omsk embraces December's dramatic winter scenery. The city transitions from the subtle chill of November to the deeper cold of winter. With outdoor activities limited due to the freezing conditions, people turn towards indoor pastimes. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Omsk, Russia
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-14°C).
- Average low temperature in January:
-20.8°C - Average low temperature in February:
-18.8°C - Average low temperature in March:
-10.4°C - Average low temperature in April:
1.3°C - Average low temperature in May:
7.1°C - Average low temperature in June:
12.4°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-20.8°C).
Average pressure
Omsk, Russia
- Average pressure in January:
1028.3mbar - Average pressure in February:
1027.1mbar - Average pressure in March:
1021.1mbar - Average pressure in April:
1016.8mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1007.8mbar - Average pressure in August:
1011.1mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1018.9mbar - Average pressure in November:
1022.5mbar - Average pressure in December:
1025.3mbar
The month with the highest atmospheric pressure is January (1028.3mbar).
The month with the lowest atmospheric pressure is July (1007.8mbar).
Average wind speed
Omsk, Russia
- Average wind speed in January:
13.5km/h - Average wind speed in February:
13km/h - Average wind speed in March:
14.7km/h - Average wind speed in April:
14.7km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
11.7km/h - Average wind speed in August:
12km/h - Average wind speed in September:
13.1km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
14.8km/h - Average wind speed in December:
14.3km/h
The windiest month (with the highest average wind speed) is November (14.8km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity
Omsk, Russia
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is May (52%).
Average rainfall
Omsk, Russia
The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days
Omsk, Russia
- Average rainfall days in January:
0.4 days - Average rainfall days in February:
1.3 days - Average rainfall days in March:
5.1 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
12.1 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
3 days - Average rainfall days in December:
0.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (0.4 days).
Average snowfall
Omsk, Russia
The month with the highest snowfall is November (103mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Omsk, Russia
- Average snowfall days in January:
13.5 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
14.3 days - Average snowfall days in April:
3.9 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
6.1 days - Average snowfall days in November:
14.3 days - Average snowfall days in December:
15.4 days
The month with the highest number of snowfall days is December (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Omsk, Russia
- Average daylight in January:
7h and 54min - Average daylight in February:
9h and 42min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 6min - Average daylight in May:
16h and 12min - Average daylight in June:
17h and 18min
- Average daylight in July:
16h and 42min - Average daylight in August:
14h and 54min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 30min - Average daylight in November:
8h and 24min - Average daylight in December:
7h and 18min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in January:
1h and 48min - Average sunshine in February:
3h and 0min - Average sunshine in March:
3h and 54min - Average sunshine in April:
6h and 24min - Average sunshine in May:
10h and 54min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
7h and 18min - Average sunshine in October:
5h and 0min - Average sunshine in November:
2h and 30min - Average sunshine in December:
1h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days
Omsk, Russia
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
14 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
17.1 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index
Omsk, Russia
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover
Omsk, Russia
The months with the most cloud cover are February and December (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility
Omsk, Russia
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and February (6km).





