Last and first frost dates in Coimbra

When is the last frost in Coimbra?

The last frost in Coimbra usually comes around 29 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 8 January, while corn waits until 7 February.

When to sow and plant

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 Coimbra

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 18 days before the last spring frost and 15 °C 70 days after it.

Frost dates near Coimbra

Of the nearest cities on our list, the last spring frost ends earliest in Castelo Branco (17 January) and latest in Guarda (2 April).

Seeds, seedlings and markets in Coimbra

Within 15 km of Coimbra OpenStreetMap lists 3 garden centres, 1 farm-supply shop and 12 markets (collected 27 October 2026). The nearest garden centre to the city centre is Bonsai Mondego, 2 km away.

• Bonsai Mondego — garden centre
  Rua António Gonçalves 53 Lote 17, 3040-262 Coimbra · Mon–Fri 14:00–20:00; Sat 15:00–19:00 · 2 km
• Tradição Loja Agrícola — farm supply
  Estrada de Coselhas 265 · Mon–Fri 09:00–13:00, 15:00–19:00; Sat 09:00–13:00 · 1 km
• Mercado Municipal Dom Pedro V — market
  Rua Olímpio Nicolau Fernandes, 3000-303 Coimbra · Mon–Wed 07:00–00:00; Thu–Sat 07:00–02:00 · 0 km · cm-coimbra.pt
• Horto Mondego — garden centre
  Avenida Elísio de Moura, 3030-183 Coimbra · Mon–Fri 09:00–13:00, 14:00–18:00; Sat 09:00–13:00, 14:00–17:00 · 3 km · hortomondego.pt
• Mercado do Calhabé — market
  Travessa dos Combatentes da Grande Guerra 8, 3030-182 Coimbra · Mon–Fri 09:30–13:00, 14:00–17:30 · 2 km
• Feira do Bairro — market
  Sat 08:00–13:00+ · 2 km

• Where to buy seeds and seedlings in Coimbra
• Selling your own harvest in Portugal

Places: © OpenStreetMap contributors, ODbL.

Weather in Coimbra by month

Average weather in Coimbra over 2016–2025: the warmest month is August. Months that average 20 °C or more by day: May–October (22.8–29.3 °C). No month averages below 0 °C at night; the coldest nights, in January, average 6.2 °C. About 1063 mm of rain falls in a year, on 113 days; October is the wettest month (150 mm) and August the driest (7 mm).

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).