Altai Krai weather in December
December is one of the least pleasant months in Altai Krai: highs of -12°C (10°F) and about 38 mm (1.5 in) of rain on average. Nights average -20°C (-3°F) and cloud cover 69% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the 2nd coolest. Compared with November, it is cooler and drier; January brings highs of -15°C (5°F) and 27 mm (1.1 in) of rain.
Figures are long-term averages for Barnaul, the largest city in Altai Krai. See below for other places.
Is December a good time to visit Altai Krai?
least pleasant month Weather score 40/100.
December is one of the least pleasant months for weather in Altai Krai. For better conditions, consider May–Sep.
Does it rain a lot in Altai Krai in December?
No, it is usually dry: about 38 mm (1.5 in) falls in an average December. It is the 6th driest month of the year.
How warm is Altai Krai in December?
Days average -12°C (10°F) and nights -20°C (-3°F).
Altai Krai weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | -15°C (5°F) | -23°C (-9°F) | 27 mm | 64% | least pleasant |
| February | -11°C (12°F) | -20°C (-4°F) | 24 mm | 63% | least pleasant |
| March | -3°C (27°F) | -11°C (11°F) | 29 mm | 65% | least pleasant |
| April | 9°C (48°F) | -2°C (28°F) | 32 mm | 62% | least pleasant |
| May | 18°C (64°F) | 5°C (41°F) | 46 mm | 59% | best |
| June | 24°C (76°F) | 13°C (55°F) | 49 mm | 58% | best |
| July | 27°C (80°F) | 15°C (59°F) | 61 mm | 62% | best |
| August | 25°C (77°F) | 12°C (54°F) | 38 mm | 55% | best |
| September | 17°C (63°F) | 6°C (42°F) | 35 mm | 62% | best |
| October | 7°C (45°F) | -2°C (29°F) | 49 mm | 71% | least pleasant |
| November | -4°C (25°F) | -11°C (13°F) | 51 mm | 77% | least pleasant |
| December | -12°C (10°F) | -20°C (-3°F) | 38 mm | 69% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Altai Krai in December
Weather can differ a lot within Altai Krai: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Barnaul | -12°C (10°F) | -20°C (-3°F) | 38 mm | least pleasant |
| Biysk | -9°C (15°F) | -17°C (1°F) | 37 mm | least pleasant |
| Rubtsovsk | -10°C (13°F) | -18°C (0°F) | 30 mm | least pleasant |
| Novoaltaysk | -12°C (10°F) | -20°C (-3°F) | 38 mm | least pleasant |
| Zarinsk | -12°C (11°F) | -19°C (-3°F) | 40 mm | least pleasant |
| Kamen’-na-Obi | -13°C (9°F) | -20°C (-5°F) | 32 mm | least pleasant |
| Slavgorod | -12°C (11°F) | -19°C (-2°F) | 23 mm | least pleasant |
| Aleysk | -11°C (12°F) | -19°C (-1°F) | 32 mm | least pleasant |
| Yarovoye | -12°C (11°F) | -19°C (-2°F) | 23 mm | least pleasant |
| Yuzhnyy | -12°C (10°F) | -20°C (-3°F) | 38 mm | least pleasant |
| Tal’menka | -13°C (9°F) | -20°C (-5°F) | 40 mm | least pleasant |
| Gornyak | -10°C (13°F) | -18°C (0°F) | 32 mm | least pleasant |