Novosibirsk weather by month
The best time to visit Novosibirsk is June to August — 94/100 in July, 25°C and 11 rainy days. The best season is summer, June to August (92/100 on average).
The worst month is December at 25/100 — freezing, a little rain, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Russia →
Best season: June to August (92/100 on average) · worst December (25/100)
- Days
- 25°C
- Nights
- 13°C
- Wet days
- 11
- Sun
- 12.9 h
- Humidity
- 69%
- Daylight
- 17 h

Novosibirsk, month by month
Comfort score out of 100 for the kind of trip Novosibirsk is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Novosibirsk through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- February
- Maslenitsa5 Feb – 20 Mar (usually)Festival
- May
- Midges, mosquitoes and ticks10 May – 20 Jul (usually)Season
- June
- River and beach season10 Jun – 25 Aug (usually)Season
- November
- Ob Sea ice25 Nov – 10 Apr (usually)Season
- December
- New Year holidays31 Dec – 8 JanHoliday
- Deep winter cold10 Dec – 25 Feb (usually)Season
Crowds in Novosibirsk in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 5 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Novosibirsk
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe Siberian winter travel broadly as cold enough to require good water-resistant boots given icy, sometimes broken-up sidewalks, alongside a heavy windbreaker-style coat, gloves and a warm hat covering the ears. Posters discussing winter conditions across the wider Siberian region cite a wide possible range, from around +5C down to -30C or even -35C depending on the specific stretch of winter. Given the more general nature of the destination-specific detail available, this note leans on that broader pattern for Novosibirsk's own deep-winter February: expect firmly sub-zero conditions with real cold-snap risk, snow-covered streets, and layered, wind-resistant clothing as the non-negotiable basics. Posters generally rate February as a serious cold-weather month for Novosibirsk, workable with full winter gear.
Forum posters describe July-August as the nicest weather window for this part of Siberia, with warm water and generally the best conditions of the year around nearby Lake Baikal, though posters are direct that by the end of August, weather can start turning - wind and rain becoming more likely as the month winds down. Posters discussing other Russian cities at the same time of year cite typical August temperatures around 20-25C, with occasional heat waves pushing higher. Given the limited detailed trip reports specific to Novosibirsk, this broader regional pattern - a warm, pleasant peak through most of August with a real chance of the weather turning by month's end - is the most reliable guide available for planning a visit here.
Add your own note from Novosibirsk's card on the map.