
Boosmansbos Wilderness Area
- Annual mean
- 17 °C
- Warmest month
- February
- Wettest month
- November
Detailed representative-point averages for temperature, precipitation, and annual light cycles.
Review the long-term climate behavior at a representative coordinate within Grootvadersbosch Nature Reserve, Western Cape. Monthly records include mean temperatures, average precipitation rates, relative humidity, wind speeds, and daylight hours based on NASA POWER measurements from 1991 to 2020. Analyze the year-round atmospheric patterns through standardized data, excluding live forecasts and current weather trends.

Analysis of twelve monthly average temperature ranges and corresponding daily precipitation rates
Compare long term temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 22.3 °C12° to 39.1° | 1 mm/day | 59.9% | 4.8 m/s | 14 hours |
| February | 22.4 °C12.3° to 39.8° | 1 mm/day | 61% | 4.6 m/s | 13.2 hours |
| March | 20.8 °C10.3° to 39° | 1.4 mm/day | 63.6% | 4.2 m/s | 12.2 hours |
| April | 17.8 °C7.1° to 35.5° | 1.3 mm/day | 65% | 3.9 m/s | 11.1 hours |
| May | 15.1 °C5.2° to 31.3° | 1 mm/day | 66.3% | 3.8 m/s | 10.2 hours |
| June | 12 °C2.8° to 27.2° | 1.1 mm/day | 67.8% | 4.3 m/s | 9.8 hours |
| July | 11.4 °C1.8° to 26.3° | 1.2 mm/day | 68.8% | 4.3 m/s | 10 hours |
| August | 12.1 °C2.5° to 28.9° | 1.3 mm/day | 70.1% | 4.3 m/s | 10.8 hours |
| September | 14.2 °C3.9° to 32.5° | 0.9 mm/day | 67.4% | 4.3 m/s | 11.8 hours |
| October | 16.8 °C5.8° to 35.1° | 1.5 mm/day | 64.1% | 4.5 m/s | 12.9 hours |
| November | 18.6 °C8.2° to 36.5° | 1.6 mm/day | 61.6% | 4.7 m/s | 13.8 hours |
| December | 21 °C10.7° to 38.3° | 1.2 mm/day | 60% | 4.8 m/s | 14.2 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparative monthly normals for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature, precipitation, and wind patterns across different protected landscapes.




Examine the detailed geographic boundaries and forest ecosystems of Grootvadersbosch Nature Reserve. MoriAtlas provides a structured look at the terrain, river networks, and conservation landscape of this key site in the Western Cape's Langeberg mountain foothills.