
MacMillan Provincial Park
- Annual mean
- 10.4 °C
- Warmest month
- August
- Wettest month
- November
Detailed representative-point records for temperature, wind speed, precipitation, and annual daylight duration
Examine long-term climate patterns at a representative coordinate within Horne Lake Caves Provincial Park, British Columbia, based on 1991 to 2020 NASA POWER measurements. Gain insight into monthly variations of mean, minimum, and maximum temperatures alongside average daily precipitation, relative humidity, and wind speed. These historical averages provide a consistent atmospheric baseline for understanding seasonal rhythm, distinct from real-time weather observations or localized microclimate variations.
Long term monthly temperature ranges and average daily precipitation rates across twelve months
Compare average temperature bounds, precipitation rates, wind speed, and calculated daylight across the annual cycle.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 1.5 °C-7° to 8.6° | 5.3 mm/day | 94.3% | 2 m/s | 8.5 hours |
| February | 2 °C-5.2° to 9.5° | 3.7 mm/day | 90% | 2 m/s | 9.9 hours |
| March | 3.7 °C-3.7° to 13.2° | 3.7 mm/day | 87% | 2.1 m/s | 11.6 hours |
| April | 6.4 °C-1.9° to 18.1° | 2.7 mm/day | 82% | 2 m/s | 13.5 hours |
| May | 10.7 °C1.1° to 23.4° | 1.7 mm/day | 78.5% | 1.7 m/s | 15.1 hours |
| June | 13.3 °C4.2° to 26.5° | 1.8 mm/day | 79.2% | 1.7 m/s | 16 hours |
| July | 16.1 °C6.9° to 29.1° | 1.2 mm/day | 79% | 1.6 m/s | 15.6 hours |
| August | 16.1 °C7.3° to 28.5° | 1.3 mm/day | 80.1% | 1.6 m/s | 14.1 hours |
| September | 13 °C4.3° to 24.7° | 2 mm/day | 82.6% | 1.7 m/s | 12.3 hours |
| October | 8 °C0.1° to 18.5° | 3.9 mm/day | 88.5% | 1.9 m/s | 10.4 hours |
| November | 3.8 °C-4° to 11.7° | 5.7 mm/day | 93.2% | 2.1 m/s | 8.8 hours |
| December | 1.1 °C-6.7° to 8.6° | 5.3 mm/day | 94.9% | 2.1 m/s | 8 hours |
Comparative monthly normals for temperature, precipitation, humidity, wind, and daylight duration
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.
Analyze monthly temperature, precipitation, and regional atmospheric patterns across diverse protected landscapes.







Trace the subterranean passages and surface forest boundaries of this unique protected area. MoriAtlas provides a clear map-based perspective on the geological features and riparian zones that define the park environment across the central Vancouver Island landscape.