Gardening in Algeria: climate, frost dates and crops by region

Climate zones of Algeria

By the days between the last spring frost and the first autumn frost.

How the regions of Algeria differ

The gap between the warmest month’s days and the coldest month’s nights is widest in Constantine (33.7 °C) and smallest in Oran (19.2 °C): the smaller it is, the milder both winter and summer. Algiers is the wettest of these cities with 567 mm a year, Oran the driest with 385 mm. The hottest summer days are in Constantine (36 °C on average in the warmest month), the coolest in Oran (29.9 °C). In none of these cities does a month average below 0 °C at night.

Which crops suit which part of Algeria

Season long enough: the days from planting to the first autumn frost cover the days to the first harvest on the plant card. 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.

Cities without a spring frost: months that suit each crop

Months whose average day is not above the highest temperature on the plant card and whose average night is not below its lowest.

Cities of Algeria: weather in numbers

ERA5 2016–2025 via Open-Meteo, 25 km grid cell of each city; dates by the Greenly calendar and the plant cards.

More about Algeria

• Algeria: frost dates by city
• Where to buy seeds and plants
• When to plant tomatoes in Algeria
• When to plant peas in Algeria
• Gardening by country