GreenlyBarcelona: frost dates
Spain
In Barcelona the last spring frost usually comes around 24 January and the first autumn frost around 12 December, which leaves about 322 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 25 April.
| Last spring frost | around 24 January |
|---|---|
| First autumn frost | around 12 December |
| Frost-free days | 322 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
| Crop | Sow for seedlings | Plant out in a greenhouse | Open ground |
|---|---|---|---|
| Achocha | 13 December | 22 January | 12 February |
| Arugula | — | 13 December | sow 3 January |
| Basil | 26 March | 3 May | 24 May |
| Beet | — | 13 December | sow 3 January |
| Bell Pepper | 18 February | 3 May | 24 May |
| Black-eyed Susan | 12 December | — | 12 February |
| Bok Choy | 18 December | 22 January | 12 February |
| Broad bean | — | 13 December | sow 3 January |
| Broccoli | — | 13 December | sow 3 January |
| Brussels Sprouts | 29 October | 13 December | 3 January |
| Cabbage | — | 13 December | sow 3 January |
| Calendula | — | 13 December | sow 3 January |
| Carrot | — | — | sow 3 January |
| Cauliflower | 1 November | 13 December | 3 January |
| Celeriac | 6 November | 22 January | 12 February |
| Celery | 6 November | 22 January | 12 February |
| Celosia | 27 February | 13 April | 4 May |
| Chamomile | — | 13 December | sow 3 January |
| Chayote | 4 December | 2 March | 23 March |
| Chickpea | — | — | sow 3 January |
| Chili Pepper | 26 February | 11 May | 1 June |
| China aster | 12 March | 3 May | 24 May |
| Chives | — | — | sow 3 January |
| Cilantro | — | 13 December | sow 3 January |
| Corn | — | 2 March | sow 23 March |
| Cosmos | 27 February | 13 April | 4 May |
| Cucumber | 22 March | 3 May | 24 May |
| Daikon | — | 13 December | sow 3 January |
| Delphinium | 5 November | — | 3 January |
| Dill | — | 13 December | sow 3 January |
| Eggplant | 22 February | 3 May | 24 May |
| Florence fennel | 8 December | 22 January | 12 February |
| Garden sorrel | — | 13 December | sow 3 January |
| Green Beans | 24 January | 2 March | 23 March |
| Hyssop | — | — | sow 3 January |
| Kale | — | 13 December | sow 3 January |
| Kiwano | 3 March | 4 April | 25 April |
| Kohlrabi | — | 13 December | sow 3 January |
| Leek | 4 October | 13 December | 3 January |
| Lemon balm | — | 13 December | sow 3 January |
| Lettuce | — | 13 December | sow 3 January |
| Lisianthus | 17 September | 13 December | 3 January |
| Lovage | — | — | sow 3 January |
| Luffa | 22 March | 3 May | 24 May |
| Marigold | 11 December | 22 January | 12 February |
| Melon | 12 March | 3 May | 24 May |
| Microgreens | — | 13 April | sow 4 May |
| Moringa | 17 March | 11 May | 1 June |
| Mustard greens | — | 13 December | sow 3 January |
| Napa cabbage | 20 December | 22 January | 12 February |
| Nasturtium | 15 December | 22 January | 12 February |
| Okra | 22 March | 3 May | 24 May |
| Oregano | 14 October | 13 December | 3 January |
| Pansy | 18 October | 13 December | 3 January |
| Parsley | — | 13 December | sow 3 January |
| Parsnip | — | — | sow 3 January |
| Peanut | 27 March | 3 May | 24 May |
| Peas | — | 13 December | sow 3 January |
| Petunia | 1 March | 3 May | 24 May |
| Physalis | 18 February | 4 April | 25 April |
| Pumpkin | 26 February | 4 April | 25 April |
| Purple coneflower | 2 November | — | 3 January |
| Radish | — | — | sow 3 January |
| Sage | 25 October | 13 December | 3 January |
| Snapdragon | 9 October | 13 December | 3 January |
| Spinach | — | 13 December | sow 3 January |
| Stevia | 14 February | 4 April | 25 April |
| Stock | — | 13 December | sow 3 January |
| Sunflower | — | 13 April | sow 4 May |
| Sweet Corn | — | 2 March | sow 23 March |
| Sweet pea | 1 November | 13 December | 3 January |
| Sweet William | — | — | sow 3 January |
| Swiss Chard | — | 13 December | sow 3 January |
| Thyme | — | 13 December | sow 3 January |
| Tomato | 6 February | 4 April | 25 April |
| Turnip | — | 13 December | sow 3 January |
| Watercress | — | 13 December | sow 3 January |
| Watermelon | 1 April | 3 May | 24 May |
| Zinnia | 6 April | 11 May | 1 June |
| Zucchini | 3 March | 4 April | 25 April |
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.
Barcelona: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Barcelona by month
Average weather in Barcelona over 2016–2025: the warmest month is August, the wettest October.
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 12.8 | 3.2 | 42 | 4 |
| February | 14.4 | 4.6 | 38 | 6 |
| March | 15.6 | 6.1 | 62 | 9 |
| April | 17.6 | 8.1 | 76 | 9 |
| May | 21.1 | 11.7 | 60 | 9 |
| June | 26.1 | 16.7 | 38 | 6 |
| July | 28.5 | 19.4 | 42 | 6 |
| August | 28.7 | 19.6 | 50 | 7 |
| September | 24.6 | 16.2 | 103 | 11 |
| October | 21.2 | 12.9 | 105 | 10 |
| November | 16.4 | 7.5 | 61 | 8 |
| December | 14 | 4.5 | 42 | 5 |
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
| Crop | Plant around |
|---|---|
| Bearded Iris | 12 November |
| Crocus | 12 November |
| Daffodil | 12 November |
| Garlic | 12 November |
| Hyacinth | 12 November |
| Lily | 12 November |
| Peony | 12 November |
| Saffron | 12 November |
| Tulip | 12 November |
| Wild garlic | 12 November |
A month before the first autumn frost, so the roots grow before winter.