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Barnaul, Altai Krai Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Barnaul, Altai Krai?
Barnaul, Altai Krai gets 440 mm of precipitation a year over about 148 rainy days. July is the warmest month (average high 26°C) and January the coldest (average low -21°C).
Humid continental climate
Barnaul, Altai Krai has warm summers and cold winters. Daytime highs range from about -11°C in January to 26°C in July. July is usually the wettest month. The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -19° | -9° |
| Spring | Mar–May | -2° | 11° |
| Summer | Jun–Aug | 13° | 25° |
| Autumn | Sep–Nov | -2° | 8° |
How much rain does Barnaul get?
Barnaul gets 440 mm of precipitation in an average year, spread over about 148 days with measurable rain. That is more rainy days than 64% of Russia.
July is the wettest month, with 72 mm. February is the driest, with 18 mm. December has the most rainy days, about 18.
The longest dry spell in the last five years lasted 16 days, to March 22, 2022.
Barnaul weather by month
Barnaul weather in January
In January, Barnaul averages a high of -11°C and a low of -21°C. It gets 23 mm of precipitation over about 15 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The January record high is 6°C (1997) and the record low is -48°C (2001).
Barnaul weather in February
In February, Barnaul averages a high of -8°C and a low of -19°C. It gets 18 mm of precipitation over about 12 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The February record high is 7°C (1983) and the record low is -41°C (1976).
Barnaul weather in March
In March, Barnaul averages a high of 0°C and a low of -11°C. It gets 19 mm of precipitation over about 11 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The March record high is 17°C (1989) and the record low is -36°C (1971).
Barnaul weather in April
In April, Barnaul averages a high of 12°C and a low of -1°C. It gets 28 mm of precipitation over about 9 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (1997) and the record low is -28°C (1987).
Barnaul weather in May
In May, Barnaul averages a high of 20°C and a low of 6°C. It gets 40 mm of precipitation over about 11 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The May record high is 37°C (1980) and the record low is -9°C (2000). May is one of the most comfortable months to visit.
Barnaul weather in June
In June, Barnaul averages a high of 25°C and a low of 12°C. It gets 54 mm of precipitation over about 11 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (1988) and the record low is -1°C (1984). June is one of the most comfortable months to visit.
Barnaul weather in July
In July, Barnaul averages a high of 26°C and a low of 14°C. It gets 72 mm of precipitation over about 13 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (1974) and the record low is 3°C (1988).
Barnaul weather in August
In August, Barnaul averages a high of 24°C and a low of 12°C. It gets 44 mm of precipitation over about 11 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2002) and the record low is 1°C (2007). August is one of the most comfortable months to visit.
Barnaul weather in September
In September, Barnaul averages a high of 18°C and a low of 6°C. It gets 36 mm of precipitation over about 11 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The September record high is 34°C (2022) and the record low is -8°C (1971). September is one of the most comfortable months to visit.
Barnaul weather in October
In October, Barnaul averages a high of 9°C and a low of -1°C. It gets 35 mm of precipitation over about 12 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The October record high is 27°C (1971) and the record low is -27°C (1976).
Barnaul weather in November
In November, Barnaul averages a high of -2°C and a low of -10°C. It gets 40 mm of precipitation over about 15 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The November record high is 17°C (2017) and the record low is -39°C (1987).
Barnaul weather in December
In December, Barnaul averages a high of -9°C and a low of -18°C. It gets 32 mm of precipitation over about 18 rainy days. Estimated sunshine is 17% of daylight hours, derived from ERA5 cloud cover. The December record high is 6°C (2013) and the record low is -44°C (2012).
Sunshine, humidity and wind in Barnaul
August is the sunniest month in Barnaul, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 17%. The annual cloud-cover estimate is 36% of daylight hours; it is not a measurement of sunshine duration. Barnaul is sunnier than 64% of Russia.
Humidity peaks in November at 78% and is lowest in May at 43%.
Barnaul has about 5 days a year above 32°C. Barnaul is hotter than 62% of Russia.
First and last freeze in Barnaul
The first fall freeze in Barnaul typically comes around September 22, and the last spring freeze around May 14. That leaves a frost-free growing season of about 131 days.
Barnaul weather records
These records cover BARNAUL during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Barnaul station is 38°C, on August 11, 2002. The coldest is -48°C, on January 6, 2001.
The wettest day in the available station history brought 99 mm of precipitation, on July 31, 2022.
54 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.2°C per decade since 1970.
The best time to visit Barnaul
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.
Winter (December–February) is cold, with average highs around -9°C and lows near -19°C.
Spring (March–May) is chilly, with average highs around 11°C and lows near -2°C.
Summer (June–August) is warm, with average highs around 25°C and lows near 13°C.
Autumn (September–November) is chilly, with average highs around 8°C and lows near -2°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -21° | -11° | 23 mm | 15 | 76% | 18% | 6° | -48° |
| February | -19° | -8° | 18 mm | 12 | 74% | 29% | 7° | -41° |
| March | -11° | 0° | 19 mm | 11 | 72% | 27% | 17° | -36° |
| April | -1° | 12° | 28 mm | 9 | 55% | 46% | 32° | -28° |
| May | 6° | 20° | 40 mm | 11 | 43% | 47% | 37° | -9° |
| June | 12° | 25° | 54 mm | 11 | 56% | 47% | 37° | -1° |
| July | 14° | 26° | 72 mm | 13 | 65% | 49% | 38° | 3° |
| August | 12° | 24° | 44 mm | 11 | 68% | 50% | 38° | 1° |
| September | 6° | 18° | 36 mm | 11 | 67% | 42% | 34° | -8° |
| October | -1° | 9° | 35 mm | 12 | 72% | 34% | 27° | -27° |
| November | -10° | -2° | 40 mm | 15 | 78% | 21% | 17° | -39° |
| December | -18° | -9° | 32 mm | 18 | 78% | 17% | 6° | -44° |
Station: BARNAUL, 16 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Barnaul climate questions
How much rain does Barnaul get?
Barnaul gets 440 mm of precipitation in an average year, over about 148 rainy days.
What is the wettest month in Barnaul?
July is the wettest month in Barnaul, with 72 mm. February is the driest, with 18 mm.
How many rainy days does Barnaul have a year?
Barnaul has about 148 days with measurable rain in an average year. December has the most, about 18.
What is the hottest month in Barnaul?
July is the warmest month in Barnaul, with an average high of 26°C.
What is the coldest month in Barnaul?
January is the coldest month in Barnaul, with an average low of -21°C.
What is the record high temperature in Barnaul?
Within the available 1970–2025 station history, the record high at the Barnaul station is 38°C, set on August 11, 2002. The record low is -48°C, on January 6, 2001.
What is the sunniest month in Barnaul?
August is the sunniest month in Barnaul, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Barnaul?
The first fall freeze in Barnaul typically comes around September 22. The last spring freeze is around May 14.
What is the best time to visit Barnaul?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.