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Novosibirsk: frost dates

Russia

In Novosibirsk the last spring frost usually comes around 17 May and the first autumn frost around 28 September, which leaves about 134 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 29 May.

Last spring frostaround 17 May
First autumn frostaround 28 September
Frost-free days134 days

Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha24 March3 May24 May
Arugula—5 Aprilsow 26 April
Basil15 April23 May13 June
Beet—5 Aprilsow 26 April
Bell Pepper10 March23 May13 June
Black-eyed Susan23 March—24 May
Bok Choy29 March3 May24 May
Broad bean—5 Aprilsow 26 April
Broccoli—5 Aprilsow 26 April
Brussels Sprouts19 February5 April26 April
Cabbage—5 Aprilsow 26 April
Calendula—5 Aprilsow 26 April
Carrot——sow 26 April
Cauliflower22 February5 April26 April
Celeriac15 February3 May24 May
Celery15 February3 May24 May
Celosia1 April16 May6 June
Chamomile—5 Aprilsow 26 April
Chayote4 February3 May24 May
Chickpea——sow 26 April
Chili Pepper15 March28 May18 June
China aster1 April23 May13 June
Chives——sow 26 April
Cilantro—5 Aprilsow 26 April
Corn—3 Maysow 24 May
Cosmos1 April16 May6 June
Cucumber11 April23 May13 June
Daikon—5 Aprilsow 26 April
Delphinium26 February—26 April
Dill—5 Aprilsow 26 April
Eggplant14 March23 May13 June
Florence fennel19 March3 May24 May
Garden sorrel—5 Aprilsow 26 April
Green Beans27 March3 May24 May
Hyssop——sow 26 April
Kale—5 Aprilsow 26 April
Kiwano6 April8 May29 May
Kohlrabi—5 Aprilsow 26 April
Leek25 January5 April26 April
Lemon balm—5 Aprilsow 26 April
Lettuce—5 Aprilsow 26 April
Lisianthus8 January5 April26 April
Lovage——sow 26 April
Luffa11 April23 May13 June
Marigold22 March3 May24 May
Melon1 April23 May13 June
Microgreens—16 Maysow 6 June
Moringa3 April28 May18 June
Mustard greens—5 Aprilsow 26 April
Napa cabbage31 March3 May24 May
Nasturtium26 March3 May24 May
Okra11 April23 May13 June
Oregano4 February5 April26 April
Pansy8 February5 April26 April
Parsley—5 Aprilsow 26 April
Parsnip——sow 26 April
Peanut16 April23 May13 June
Peas—5 Aprilsow 26 April
Petunia21 March23 May13 June
Physalis24 March8 May29 May
Pumpkin1 April8 May29 May
Purple coneflower23 February—26 April
Radish——sow 26 April
Sage15 February5 April26 April
Snapdragon30 January5 April26 April
Spinach—5 Aprilsow 26 April
Stevia20 March8 May29 May
Stock—5 Aprilsow 26 April
Sunflower—16 Maysow 6 June
Sweet Corn—3 Maysow 24 May
Sweet pea22 February5 April26 April
Sweet William——sow 26 April
Swiss Chard—5 Aprilsow 26 April
Thyme—5 Aprilsow 26 April
Tomato12 March8 May29 May
Turnip—5 Aprilsow 26 April
Watercress—5 Aprilsow 26 April
Watermelon21 April23 May13 June
Zinnia23 April28 May18 June
Zucchini6 April8 May29 May

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day.

Weather in Novosibirsk by month

Average weather in Novosibirsk over 2016–2025: the warmest month is July, the wettest June.

MonthDay, °CNight, °CRain, mmRainy days
January-12.2-18.83210
February-9.6-16.6269
March-1.8-9.2289
April9.2-2349
May16.95.54511
June23.2137011
July24.215.16812
August22.112.66111
September15.26.45010
October6.1-1.24510
November-4.5-10.65513
December-10.4-174713

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

CropPlant around
Bearded Iris29 August
Crocus29 August
Daffodil29 August
Garlic29 August
Hyacinth29 August
Lily29 August
Peony29 August
Saffron29 August
Tulip29 August
Wild garlic29 August

A month before the first autumn frost, so the roots grow before winter.

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