Brighton and Lewes Downs Biosphere Reserve
- Annual mean
- 10.7 °C
- Warmest month
- August
- Wettest month
- November
Long-term atmospheric averages for a representative point within East Sussex marine territory.
Annual patterns for Beachy Head West reveal consistent fluctuations in temperature, precipitation, humidity, and daylight throughout the calendar year. These figures represent climatology averages from 1991 to 2020 at a fixed 54.69 meter elevation point, providing a stable baseline for comparing monthly environmental conditions. The data tracks variations in wind speed, relative humidity, and solar duration without relying on current daily weather forecasts.
Long-term thermal ranges and average daily precipitation cycles across all twelve months
Compare average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 5.2 °C-1.7° to 11.2° | 2.5 mm/day | 91.6% | 6.6 m/s | 8.3 hours |
| February | 5 °C-2.1° to 11.7° | 2 mm/day | 89.6% | 6.3 m/s | 9.7 hours |
| March | 6.6 °C-0.6° to 14.3° | 1.6 mm/day | 87% | 5.9 m/s | 11.6 hours |
| April | 8.9 °C0.7° to 18.1° | 1.7 mm/day | 83.2% | 5.1 m/s | 13.6 hours |
| May | 12 °C3.4° to 21.2° | 1.7 mm/day | 81.5% | 5 m/s | 15.3 hours |
| June | 14.9 °C7.3° to 23.7° | 1.8 mm/day | 81.1% | 4.7 m/s | 16.2 hours |
| July | 17.1 °C10° to 25.4° | 1.7 mm/day | 80% | 4.7 m/s | 15.8 hours |
| August | 17.2 °C9.6° to 25.8° | 2 mm/day | 80.5% | 4.8 m/s | 14.3 hours |
| September | 15 °C7.6° to 22.5° | 2 mm/day | 82.8% | 5.2 m/s | 12.3 hours |
| October | 12 °C4.4° to 19.2° | 2.7 mm/day | 86.3% | 5.9 m/s | 10.4 hours |
| November | 8.5 °C1.3° to 15.2° | 2.9 mm/day | 90.2% | 6 m/s | 8.7 hours |
| December | 6 °C-1.1° to 12.3° | 2.8 mm/day | 92.1% | 6.5 m/s | 7.8 hours |
Comparing long-term monthly averages for temperature, precipitation, humidity, wind, and daylight duration across the protected area.
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Explore monthly temperature, precipitation, and wind patterns across diverse protected landscapes





Continue your geographic discovery by examining the specific seabed features and coastal boundaries of Beachy Head West. MoriAtlas provides a structured overview of this protected marine zone, offering context on its underwater chalk geology and its position within the broader East Sussex coastal environment.