Farming weather · Rennes
Rain, ET₀, soil moisture, frost, wind and spraying windows over 15 days.
| Day | Min / Max | Rain | Wind | ET₀ | Soil | Indices |
|---|---|---|---|---|---|---|
| Mon 27 Jul | +12° / +28° | — | 22 km/h | 5,6 mm | 8 % | |
| Tue 28 Jul | +13° / +36° | — | 15 km/h | 6,0 mm | 7 % | 🌿 Spraying |
| Wed 29 Jul | +17° / +37° | — | 26 km/h | 7,2 mm | 7 % | |
| Thu 30 Jul | +13° / +31° | — | 28 km/h | 5,3 mm | 7 % | |
| Fri 31 Jul | +14° / +27° | — | 25 km/h | 6,2 mm | 7 % | |
| Sat 1 Aug | +11° / +28° | — | 26 km/h | 5,6 mm | 7 % | |
| Sun 2 Aug | +12° / +31° | — | 27 km/h | 6,0 mm | 7 % | |
| Mon 3 Aug | +14° / +30° | — | 22 km/h | 5,7 mm | 6 % | |
| Tue 4 Aug | +18° / +22° | 0,3 mm | 11 km/h | 5,8 mm | 6 % | 🌿 Spraying |
| Wed 5 Aug | +16° / +35° | — | 17 km/h | 4,7 mm | — | 🌿 Spraying |
| Thu 6 Aug | +18° / +26° | 1,0 mm | 29 km/h | 4,6 mm | — | |
| Fri 7 Aug | +16° / +25° | 2,7 mm | 37 km/h | 5,0 mm | — | |
| Sat 8 Aug | +12° / +26° | — | 26 km/h | 4,9 mm | — | |
| Sun 9 Aug | +12° / +24° | — | 16 km/h | 5,2 mm | — | 🌿 Spraying |
Over the next 15 days in Rennes, about 4 mm of rain is expected against 78 mm of evapotranspiration — a water deficit of 74 mm (irrigation may be needed). Soil moisture averages around 7%. Growing degree-days add up to roughly 218 °C·day.
Spraying window: dry day (< 1 mm) with light wind (< 19 km/h). ET₀: reference evapotranspiration (FAO-56). Water balance: rain − ET₀ (negative = deficit). Degree-days: sum of temperature base 6 °C. Soil: surface soil moisture. Sources: ECMWF/GFS + Open-Meteo.