Vegetable farming weather
Current stage : Autumn planting
Production area
Nabeul · Grombalia · Menzel Temime
48-hour application window
Hours when wind, temperature, humidity and incoming rain all line up.
Conditions are currently favourable for an application.
Wind 12 km/h · Temperature 28 °C · Delta T 5.4
Next favourable slot: 15:00 to 21:00 (7 h)
Gap between dry-bulb and wet-bulb temperature. Useful range: 2 to 8.
Risks over 7 days
- 💧Water deficitModerate
Deficit of 26.5 mm over the period
- 🍂Foliar diseaseWatch
Humidity up to 93 % with wet foliage on Wed 23 Sept
- 💨Strong windWatch
Gusts up to 46 km/h on Fri 25 Sept
Water requirement over 7 days
Evapotranspiration adjusted to the crop, compared with forecast rain.
26.5 mm
Deficit to cover
265 m³ per hectare
- Reference evapotranspiration
- 28 mm
- Crop requirement
- 26.6 mm
- Forecast rain
- 0.1 mm
Calculation: reference evapotranspiration multiplied by the crop coefficient 0.95, minus rain. Soil reserve and network efficiency are not taken into account.
Days without rain
7 days without significant rain
Soil at 6 cm
33 °C
Soil temperature drives germination and root activity. Below 8 °C, cereal emergence slows sharply.
7-day farming forecast
| Day | Min / Max | Rain | ET0 | Max wind | Humidity |
|---|---|---|---|---|---|
| Wed 23 Sept | 22° / 29° | 0.1 mm | 3.5 mm | 13 km/h | 48-93 % |
| Thu 24 Sept | 21° / 28° | - | 3.7 mm | 14 km/h | 60-100 % |
| Fri 25 Sept | 22° / 30° | - | 4.4 mm | 20 km/h | 37-89 % |
| Sat 26 Sept | 22° / 29° | - | 4.1 mm | 17 km/h | 39-93 % |
| Sun 27 Sept | 20° / 28° | - | 4.3 mm | 15 km/h | 31-72 % |
| Mon 28 Sept | 20° / 28° | - | 4.1 mm | 15 km/h | 51-84 % |
| Tue 29 Sept | 21° / 28° | - | 3.9 mm | 11 km/h | 51-86 % |
Crop calendar
- Autumn plantingCurrent stage
- Winter and greenhouse crops
- Spring planting
- Summer production
Vegetable farming weather
Tunisian vegetable growing runs all year, from Sidi Bouzid peppers to greenhouse tomatoes in Cap Bon and Teboulba, on short cycles that forgive no weather accident. Two threats dominate: prolonged humidity that triggers downy mildew and leaf spot within days, and the January-February frosts on open-field crops, where 2 °C in the shelter is enough to burn a young plant. On top of that comes heavy summer water use, with a crop coefficient close to 1.
Frequently asked questions
- What weather triggers downy mildew?
- Humidity above 85 % with several hours of leaf wetness between 15 and 25 °C, typically after a mild spring or autumn rain. The foliar disease indicator on this page combines those three parameters day by day over seven days.
- At what temperature should vegetable crops be protected?
- The threshold used here is 2 °C: below that sheltered reading, ground frost becomes likely and young open-field plants are exposed. The page shows three steps, from a simple warning to severe frost.
- Does outside wind matter for spraying under greenhouses?
- Under cover wind matters less, but temperature and humidity remain decisive: above 30 °C the spray evaporates, and saturating humidity lengthens drying and favours disease. The temperature and Delta T thresholds on this page still apply under glass or plastic.
Indicators computed from Open-Meteo forecasts. They help pick a moment to intervene; they replace neither an official agricultural advisory nor a technician's judgement.