When to plant watermelons in Perpignan: 24 April – 2 September

In Perpignan, watermelon: sow for seedlings from 6 March to 5 August; plant into a greenhouse from 3 April to 2 September; plant out into open ground from 24 April to 2 September. For plants and seeds, the places nearby include Carotte et Pomelo (farm shop, 7 km) and Amandon du Soleil (farm shop, 9 km); addresses and opening hours are below.

Watermelon in Perpignan: soil, season and weather

In Perpignan the soil, not frost, sets the date: the last frost is over around 17 January, but the top 7 cm of soil reaches 18 °C — the minimum on the watermelon card — only around 24 April, 97 days later.

Last spring frost	17 January
Top 7 cm of soil at 18 °C	24 April, 97 days after the last frost
Into an unheated greenhouse	3 April – 2 September; April outside: 10.3 °C at night, 18.5 °C by day; card 18–35 °C
First autumn frost	12 December, 232 days after the start
Days in the bed to the first harvest (card)	59
First harvest, if planted in this window	22 June – 31 October
Days left for picking	173
Daylight	12:27 on 27 March, 13:46 on 24 April
Watering outdoors when fruiting (card)	every 5 days; the driest month, July, has 3 rainy days

The same dates in Perpignan hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Pumpkin.

Watermelon in Perpignan: care after planting

Planted on 24 April: in the first weeks water every 5 days.

Feeding, by the card’s schedule from that day:

24 April — feed: balanced (NPK)

Pests and diseases of watermelon to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Perpignan during the watermelon season

No month of the season averages above the watermelon card's 18–35 °C by day; the warmest, August, averages 30 °C. Months that stay below 18 °C even by day on average: November (16.2 °C) and December (13.6 °C). Nights average below 18 °C in April, May and September–December (6.2–17.4 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
April	18.5	10.3	59	7	13:22
May	22.2	13.9	48	8	14:37
June	27.3	18.6	23	4	15:18
July	29.9	21	14	3	15:02
August	30	21	15	3	13:57
September	25.9	17.4	33	5	12:32
October	21.8	13.9	72	6	11:07
November	16.2	8.9	53	9	9:47
December	13.6	6.2	57	7	9:04

ERA5 2016–2025, Open-Meteo

Watermelon in nearby cities

All the nearest cities on our list plant watermelon later than Perpignan; the closest date is in Montpellier, 14 days later.

City	Distance	Date	Difference
Girona	80 km	26 May – 21 August	32 days later
Montpellier	129 km	8 May – 18 September	14 days later
Manresa	139 km	13 May – 23 August	19 days later
Toulouse	155 km	29 May – 19 August	35 days later
Barcelona	158 km	24 May – 2 September	30 days later
Nîmes	173 km	17 May – 22 August	23 days later

Where to buy watermelon plants and seeds near Perpignan

Buy plants ready to set out from 24 April to 2 September (from 3 April to 2 September for an unheated greenhouse); seed for raising your own is sown from 6 March to 5 August. Within 15 km of Perpignan OpenStreetMap lists 15 garden centres, 1 farm-supply shop, 9 plant nurseries, 10 markets and 21 farm shops (collected 27 October 2026).

Carotte et Pomelo — farm shop · sells: vegetables
Tue–Sun 09:00–13:00 · 7 km
Amandon du Soleil — farm shop
Avenue du Fenouil 11, 66600 Rivesaltes · 9 km
Les Berges de l'Agly — farm shop · sells: olive, fruit, vegetables
Mon–Sat 18:00–19:30 · 10 km
La Ferme Catalane — farm shop
Las Coumes Basses · Wed, Fri 08:00–18:00 · 15 km

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.

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