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Last and first frost dates in Aguascalientes

Mexico

In Aguascalientes the last spring frost usually comes around 6 January and the first autumn frost around 12 December, which leaves about 340 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 13 January to 22 August.

Last spring frostaround 6 January
First autumn frostaround 12 December
Frost-free days340 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 is the last frost in Aguascalientes?

The last frost in Aguascalientes usually comes around 6 January: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 16 December, while corn waits until 13 January. The first autumn frost follows around 12 December, about 340 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha13 November – 3 September23 December – 13 October13 January – 13 October
Ageratumfrom 28 October—from 13 January
Arugula——sow 16 December – 7 November
Basil11 December – 10 October18 January – 17 November8 February – 17 November
Beet——sow 16 December – 13 October
Bell Pepper19 November – 23 June18 January – 22 August8 February – 22 August
Black-eyed Susanfrom 22 October—from 13 January
Bok Choy18 November – 21 October23 December – 25 November13 January – 25 November
Borage——sow 13 January – 18 October
Broad bean——sow 16 December – 3 September
Broccoli——sow 16 December – 27 August
Brussels Sprouts11 October – 25 July25 November – 8 September16 December – 8 September
Busy Lizziefrom 21 October—from 13 January
Cabbage——sow 16 December – 4 August
Calendula——sow from 16 December
Carrot——sow 16 December – 19 September
Cauliflower14 October – 27 August25 November – 8 October16 December – 8 October
Celeriac7 October – 24 June23 December – 9 September13 January – 9 September
Celery7 October – 4 July23 December – 19 September13 January – 19 September
Celosiafrom 8 Novemberfrom 23 Decemberfrom 13 January
Chamomile——sow 16 December – 8 October
Chayote26 September – 17 June23 December – 13 September13 January – 13 September
Chickpea——sow 16 December – 24 August
Chicory31 October – 18 September—16 December – 13 October
Chili Pepper19 November – 30 July18 January – 28 September8 February – 28 September
China asterfrom 27 Novemberfrom 18 Januaryfrom 8 February
Chives——sow 16 December – 29 September
Cilantro——sow 16 December – 9 October
Corn——sow 13 January – 24 August
Corn poppy——sow from 16 December
Cosmosfrom 8 Novemberfrom 23 Decemberfrom 13 January
Cucumber21 December – 30 August18 January – 27 September8 February – 27 September
Daikon——sow 16 December – 6 October
Delphiniumfrom 27 September—from 16 December
Dill——sow 16 December – 19 October
Edging lobeliafrom 21 October—from 13 January
Eggplant19 November – 23 June18 January – 22 August8 February – 22 August
Florence fennel8 November – 3 September23 December – 18 October13 January – 18 October
Foxglovefrom 9 September—from 16 December
Garden sorrel——sow 16 December – 7 October
Green Beans——sow 13 January – 1 September
Hollyhock——sow from 16 December
Hyssop——sow 16 December – 30 August
Kale——sow 16 December – 1 October
Kiwano21 November – 6 September23 December – 8 October13 January – 8 October
Kohlrabi——sow 16 December – 11 October
Leek16 September – 15 June25 November – 24 August16 December – 24 August
Lemon balm——sow 16 December – 3 October
Lettuce——sow 16 December – 16 October
Lisianthusfrom 30 Augustfrom 25 Novemberfrom 16 December
Lovage——sow from 16 December
Luffa7 December – 1 July18 January – 12 August8 February – 12 August
Marigoldfrom 11 Novemberfrom 23 Decemberfrom 13 January
Marjoram19 November – 18 September—8 February – 17 November
Melon21 December – 17 August18 January – 14 September8 February – 14 September
Microgreens——sow 13 January – 28 November
Moringa7 December – 23 September31 January – 17 November21 February – 17 November
Moss rosefrom 28 October—from 13 January
Mustard greens——sow 16 December – 28 October
Napa cabbage20 November – 28 September23 December – 31 October13 January – 31 October
Nasturtiumfrom 15 Novemberfrom 23 Decemberfrom 13 January
Okra7 December – 11 September18 January – 23 October8 February – 23 October
Oregano26 September – 8 September25 November – 7 November16 December – 7 November
Pansyfrom 30 Septemberfrom 25 Novemberfrom 16 December
Parsley——sow 16 December – 27 September
Parsnip——sow 16 December – 16 August
Peanut12 December – 7 August18 January – 13 September8 February – 13 September
Peas——sow 16 December – 29 September
Petuniafrom 16 Novemberfrom 18 Januaryfrom 8 February
Physalis8 November – 4 August23 December – 18 September13 January – 18 September
Pumpkin7 December – 6 July18 January – 17 August8 February – 17 August
Purple coneflowerfrom 24 September—from 16 December
Radish——sow 16 December – 12 November
Sage7 October – 4 September25 November – 23 October16 December – 23 October
Scarlet sagefrom 1 November—from 13 January
Snapdragonfrom 21 Septemberfrom 25 Novemberfrom 16 December
Soybean——sow 8 February – 23 September
Spinach——sow 16 December – 18 October
Stevia4 November – 26 July23 December – 13 September13 January – 13 September
Stock——sow from 16 December
Sunflower——sow from 13 January
Sweet alyssum——sow from 16 December
Sweet Corn1 December – 18 September23 December – 10 October13 January – 10 October
Sweet peafrom 14 Octoberfrom 25 Novemberfrom 16 December
Sweet William——sow from 16 December
Swiss Chard——sow 16 December – 13 October
Thyme——sow 16 December – 24 August
Tomato1 November – 1 July23 December – 22 August13 January – 22 August
Turnip——sow 16 December – 15 October
Watercress——sow 16 December – 26 October
Watermelon21 December – 5 August18 January – 2 September8 February – 2 September
Zinniafrom 27 Decemberfrom 31 Januaryfrom 21 February
Zucchini28 December – 4 September18 January – 25 September8 February – 25 September

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. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

When the soil warms up in Aguascalientes

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo).

SoilDateAgainst the last spring frost
5 °Calready in the first week of January—
10 °Calready in the first week of January—
15 °Calready in the first week of January—
18 °C8 February33 days later

Frost dates near Aguascalientes

Of the nearest cities on our list, the last spring frost ends earliest in Zacatecas (29 January) and latest in San Luis Potosí (28 February).

CityDistanceLast spring frostFirst autumn frost
Zacatecas104 km29 January26 November
León105 km—15 December
San Luis Potosí137 km28 February15 December
Irapuato165 km——
Guadalajara174 km——

Seeds, seedlings and markets in Aguascalientes

Within 15 km of Aguascalientes OpenStreetMap lists 1 garden centre, 4 farm-supply shops, 2 plant nurseries, 9 markets and 2 farm shops (collected 27 October 2026). The nearest farm supply to the city centre is Agroproducto de ags., 2 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Aguascalientes

Frosts in Aguascalientes usually come from about 12 December to about 6 January. These plants have indoor care in their Greenly cards and are harvested quickly, so they can be sown on a windowsill in winter.

Weather in Aguascalientes by month

Average weather in Aguascalientes over 2016–2025: the warmest month is May. Months that average 20 °C or more by day: January–December (22–30.9 °C). Months that average 30 °C or more by day: May (30.9 °C). No month averages below 0 °C at night; the coldest nights, in January, average 6.2 °C. About 505 mm of rain falls in a year, on 75 days; July is the wettest month (123 mm) and March the driest (3 mm).

MonthDay, °CNight, °CRain, mmRainy days
January226.262
February24.67.8102
March27.61031
April29.512.341
May30.914.8144
June2915.58511
July26.414.112317
August26.814.410214
September25.413.79613
October25.211.7376
November24.29152
December226.8102

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

CropWhen to plant
Bearded Irisby 12 November
Crocusby 12 November
Daffodilby 12 November
Garlicby 12 November
Grape hyacinthby 12 November
Helleboreby 12 November
Hyacinthby 12 November
Lilyby 12 November
Ornamental onionby 12 November
Peonyby 12 November
Saffronby 12 November
Snowdropby 12 November
Tulipby 12 November
Wild garlicby 12 November

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).