Irkutsk in December
4.6out of 10
Not the best time
Cold: highs around -13°C. Some rain: about 4 rainy days.
-13°CAvg high
-21°CAvg low
4Rainy days (10 mm)
7:29 hDaylight
09:15Sunrise · 16:43 Sunset
Why this score
- Cold: highs around -13°C
- Some rain: about 4 rainy days
- Nights fall to about -21°C
What to wear and pack
- Winter coat, hat and scarf
- Gloves for freezing mornings
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -15°C | -25°C | 5 mm | 2 | – | – | 4.9 |
| February | -10°C | -22°C | 5 mm | 2 | – | – | 4.8 |
| March | 0°C | -13°C | 10 mm | 4 | – | – | 4.6 |
| April | 9°C | -3°C | 23 mm | 6 | – | – | 5.8 |
| May | 16°C | 4°C | 39 mm | 9 | – | – | 6.9 |
| June | 21°C | 10°C | 66 mm | 11 | – | – | 7.5 |
| July | 23°C | 14°C | 93 mm | 12 | – | – | 7.4 |
| August | 22°C | 12°C | 101 mm | 12 | – | – | 7.3 |
| September | 15°C | 5°C | 61 mm | 11 | – | – | 6.6 |
| October | 7°C | -3°C | 23 mm | 6 | – | – | 5.5 |
| November | -4°C | -12°C | 13 mm | 4 | – | – | 4.6 |
| December | -13°C | -21°C | 10 mm | 4 | – | – | 4.6 |
Frequently asked questions
How hot is Irkutsk in December?
Daytime highs average -13°C and nights about -21°C.
When is the best time to visit Irkutsk?
The best months are June, July, August, May.