Climate and monthly weather forecast
Tomsk, Russia

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The climate of Tomsk

Tomsk, Russia, lies squarely within the climatic classification termed Subarctic or Dfc according to the Köppen climate classification system. This translates to a region that experiences severe winters, no dry season, and a rather cool summer season. The monthly average temperatures range from a high of 24.8°C (76.6°F) in July to a chilling low of -22.3°C (-8.1°F) in January. The difference in these temperature extremes is reflective of the intense seasonal variations characteristic of a subarctic climate.

Humidity remains fairly high throughout the year, peaking at 97% in January and February and dipping to a modest low of 60% in May. The highest rainfall in in Tomsk occurs in July with an average rainfall of 48mm (1.89"), while February and October share the status of least rainy months, recording an average rainfall of a mere 16mm (0.63").

Tomsk is identified by its distinct seasons, each carrying unique weather patterns. The city faces fairly high snowfall, reaching its peak in November with an average snowfall of 281mm (11.06") and the least in June through August with no recorded snowfall. The maximum sunshine hours, approximately 11.6 hours a day, are seen in June and July, offering breathtakingly clear skies.

The best time to visit Tomsk

The optimal time to visit Tomsk would be the summer months, more specifically from June to August. The weather during these months is favorable, offering mild temperatures that reach a peak average high of 24.8°C (76.6°F) in July. Furthermore, with no snowfall and maximum daylight hours that reach 17.6 hours, these months present ideal conditions for outdoor activities and exploration.

The worst time to visit Tomsk

Winter months bring harsh weather conditions to Tomsk, making it less favorable for travel. The period from November to February is the coldest with average lows dropping to -22.3°C (-8.1°F) and snowfall rising to a significant 281mm (11.06") in November. These months offer a much-reduced daylight duration, dwindling to merely 7 hours in December and January, thus limiting outdoor activity.

Spring weather in Tomsk

From March to May, Tomsk shifts from the severe winter to a bearable yet still cold environment. Temperatures start to rise from an average high of -3.3°C (26.1°F) in March to 14.8°C (58.6°F) in May. Snowfall reduces significantly, from 163mm (6.42") in March to a negligible 23mm (0.91") by May end. Spring witnesses an increase in daylight hours, beginning with an average of 11.9 hours in March, steadily increasing to 16.4 hours towards May.

Summer weather in Tomsk

Summer, from June to August, brings with it a noticeable change in the weather. The average temperatures increase to a peak of 24.8°C (76.6°F) in July before cooling down slightly to 22.3°C (72.1°F) in August. Rainfall sees a rise during these months, reaching a maximum of 48mm (1.89") in July. There is no recorded snowfall, and the days are long, with daylight hours reaching a maximum of 17.6 in June.

Autumn weather in Tomsk

September through November sends Tomsk into the onset of autumn. Average temperatures decrease from 14.6°C (58.3°F) in September to a frigid -6.5°C (20.3°F) in November. Rainfall drops gradually from 30mm (1.18") in September to 40mm (1.57") in November. Snowfall begins to mark its appearance, rising from a meagre 3mm (0.12") in September to a whopping 281mm (11.06") by November, testifying to the arrival of harsh winters.

Winter weather in Tomsk

Winter in Tomsk, from December till February, is synonymous with extreme cold and heavy snowfall. Temperatures stoop to their lowest with an average minimum of -22.3°C (-8.1°F) in January. Snowfall remains heavy, recording an average of 223mm (8.78") in December. Daylight hours are reduced to their shortest at 7 hours, while pressure levels peak at an average of 1029.6mb in December, marking the height of winter.

Weather in January

January in Tomsk, Russia experiences freezing temperatures that can reach as low as -22.3°C (-8.1°F). The winter chill persists throughout this month, making it significantly colder than the later winter months. It's not uncommon to encounter relentless snowfall, turning the city into a winter wonderland. Weather in January »

Weather in February

Moving from January to February, weather conditions remain largely unchanged in the city of Tomsk. The mercury continues to stay well below zero, slightly higher than that of January, indicating that the transitional process towards spring has yet to fully take hold. Weather in February »

Weather in March

March in Tomsk experiences a noticeable shift from the extreme cold of the previous months. The consistent snowfall starts to ease, and the clouds grow sporadically light. Nevertheless, the weather is relatively on the cold side, with temperatures not reaching any higher than -3.3°C (26.1°F). Weather in March »

Weather in April

April in Tomsk gradually brings with it warmer temperatures. The chilly fog that blankets the city during the winter months begins to lift, signaling a change in seasons. Sunshine duration extends to 4.2 hours, and snowfall drastically reduces, paving the way for typically springtime weather. Weather in April »

Weather in May

When May arrives, Tomskians bid the winter cold goodbye. The city enjoys a significant rise in temperature, swelled further by a generous 9.7-hour sunshine duration. While rainfall levels are on the rise, indicating a precipitation changeover from snow to rain, it does not hamper the overall pleasant weather that May brings. Weather in May »

Weather in June

June offers the most optimal weather conditions for exploring Tomsk. Its temperature fluctuates between a comfortable 10.9°C (51.6°F) to 23.3°C (73.9°F). As the month progresses, the weather conditions transist from spring-like to more summer-oriented. Weather in June »

Weather in July

July in Tomsk is characterized by its sunny disposition, boasting a spectacular 11.6 hours of sunshine daily. It's the peak of summer, and the city buzzes with energy. While the relative humidity of 64% might imply muggy conditions, the moderating winds provide a pleasant counterbalance. Weather in July »

Weather in August

As the peak summer month, August in Tomsk, Russia, offers suitable weather for tourists. Despite its position in the calendar, the temperatures start to cool and the days become shorter. The first signs of the autumn foliage make an appearance towards the end of August, indicating a shift towards colder temperatures. Weather in August »

Weather in September

With the arrival of September, autumn starts to set in Tomsk. The pleasant summer weather begins to fade, and cooler temperatures start to prevail. Rainfall decreases, but the humidity and cloud coverage start to increase. Despite this, September in Tomsk provides a rich palette of fall foliage and consistently comfortable temperatures. The average high-temperature in Tomsk decreases in September, shifting from a pleasant 22.3°C (72.1°F) in August to a moderate 14.6°C (58.3°F). Weather in September »

Weather in October

October brings a marked change in the weather pattern in Tomsk. The city transitions from a mildly cold ambiance to brisk chilliness. Autumn leaves start to lose their vibrant hues, and colder weather seizes the landscape. As daylight hours reduce substantially, the intensity of the cold elevates, and the city prepares itself for the looming winter. October is characterized by a clear drop in the average high-temperature, falling from September's moderate 14.6°C (58.3°F) to a wintry 5.2°C (41.4°F). Weather in October »

Weather in November

November signals the commencement of winter-like weather in Tomsk. A precipitous decline in temperature ushers in a cold spell that prevails throughout the month. The city landscape transforms into a frozen haven, and the residents brace for the impending snow, marking a transitional phase to the coldest season. As October gives way to November, the average high-temperature displays a considerable decrease, falling from a cold 5.2°C (41.4°F) to a freezing cold -6.5°C (20.3°F). Weather in November »

Weather in December

When December arrives, Tomsk is in the throes of the full winter season. The outdoor temperatures plummet further, reaching well below freezing points. The arrival of significant snowfall transforms Tomsk into a classic winter wonderland. Weather in December »

Frequently asked questions

What month is the coldest in Tomsk?

January, with average temperatures reaching a high of -15.4°C (4.3°F) and a low of -22.3°C (-8.1°F), is the coldest month.

What are the most humid months in Tomsk?

The months with the highest humidity are January and February, with an average relative humidity of 97%.

How many days does it rain in Tomsk?

In Tomsk, Russia, during the entire year, the rain falls for 104.4 days and collects up to 390mm (15.35") of precipitation.

When does it snow in Tomsk?

Months with snowfall are January through May, September through December.

How much does it snow in Tomsk?

In Tomsk, Russia, during the entire year, snow falls for 121.6 days and aggregates up to 1160mm (45.67") of snow.

What is the month with the least sunshine in Tomsk?

The months with the least sunshine are January and December, with an average of 1h of sunshine.

What is the month with the lowest UV index in Tomsk?

The months with the lowest UV index in Tomsk are January through March, October through December, with an average maximum UV index of 1.

What is the driest month in Tomsk?

February is the month with the least rainfall in Tomsk. Rain falls for 0.7 days and accumulates 16mm (0.63") of precipitation.

What is the least humid month in Tomsk?

With an average relative humidity of 60%, May is the least humid month.

When it does not snow in Tomsk?

June through August are months without snowfall in Tomsk, Russia.

When are the longest days in Tomsk?

June has the longest days of the year, with an average of 17h and 36min of daylight.

What is the month with the highest UV index in Tomsk?

The months with the highest UV index in Tomsk are June and July, with an average maximum UV index of 5.

What time of the year is the hottest in Tomsk?

With average temperatures fluctuating between a high of 24.8°C (76.6°F) and a low of 12.6°C (54.7°F), July stands out as the warmest month in Tomsk, Russia.

What is the rainiest month in Tomsk?

July is the month with the most rainfall in Tomsk, Russia. Rain falls for 14.7 days and accumulates 48mm (1.89") of precipitation.

What month has the most sunshine in Tomsk?

With an average of 11.6h of sunshine, July has the most sunshine of the year in Tomsk, Russia.

What is the snowiest month in Tomsk?

The month with the most snowfall is November, when snow falls for 21.7 days and typically aggregates up to 281mm (11.06") of snow.

What is the month with the shortest days in Tomsk?

December has the shortest days of the year in Tomsk, Russia, with an average of 7h and 0min of daylight.

Is there Daylight Saving Time (DST) in Tomsk?

Tomsk, Russia, does not utilize Daylight Saving Time (DST). +06 timezone is used over the entire year.

Average temperature
Tomsk, Russia

Average temperature - Tomsk, Russia

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-15.4°C).

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-22.3°C).

Average pressure
Tomsk, Russia

Average pressure - Tomsk, Russia

The month with the highest atmospheric pressure is January (1029.6mbar).
The month with the lowest atmospheric pressure is July (1007mbar).

Average wind speed
Tomsk, Russia

Average wind speed - Tomsk, Russia

The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity
Tomsk, Russia

Average humidity - Tomsk, Russia

The months with the highest relative humidity are January and February (97%).
The month with the lowest relative humidity is May (60%).

Average rainfall
Tomsk, Russia

Average rainfall - Tomsk, Russia

The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days
Tomsk, Russia

Average rainfall days - Tomsk, Russia

The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is January (0.6 days).

Average snowfall
Tomsk, Russia

Average snowfall - Tomsk, Russia

The month with the highest snowfall is November (281mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days
Tomsk, Russia

Average snowfall days - Tomsk, Russia

The month with the highest number of snowfall days is November (21.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Tomsk, Russia

Average daylight / Average sunshine - Tomsk, Russia

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 0min).

Average sunshine days
Tomsk, Russia

Average sunshine days - Tomsk, Russia

The month with the most sunshine days is July (15.2 days).
The month with the least sunshine days is November (7.4 days).

Average UV index
Tomsk, Russia

Average UV index - Tomsk, Russia

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

Average visibility
Tomsk, Russia

Average visibility - Tomsk, Russia

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (4km).

Tomsk, Russia

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