
Rathtrevor Beach Provincial Park
- Annual mean
- 10.4 °C
- Warmest month
- August
- Wettest month
- November
Twelve-month representative-point averages for temperature, precipitation, wind, and daylight cycles.
Detailed monthly climate profile for Jedediah Island Marine Provincial Park, derived from NASA POWER measurements at a representative coordinate at 129.57 meters elevation. Each data point reflects climatological averages from 1991 to 2020, documenting the annual rhythm of temperature fluctuations, daily precipitation intensity, relative humidity, wind speed, and daylight duration. These records provide a consistent baseline for analyzing the park atmospheric environment without relying on short-term weather variability.

Average monthly minimum, mean, and maximum temperatures alongside daily precipitation rates across twelve months
Analyze average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the year
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 4.3 °C-2.4° to 9.8° | 5.1 mm/day | 85.3% | 3.1 m/s | 8.5 hours |
| February | 4.7 °C-1.4° to 10.4° | 3.5 mm/day | 82.1% | 2.8 m/s | 9.9 hours |
| March | 6.2 °C0.4° to 13.4° | 3.5 mm/day | 80.8% | 2.8 m/s | 11.6 hours |
| April | 8.8 °C2.8° to 18.1° | 2.5 mm/day | 77.3% | 2.4 m/s | 13.5 hours |
| May | 12.8 °C5.6° to 22.9° | 1.6 mm/day | 75.3% | 2 m/s | 15.1 hours |
| June | 15.3 °C8.6° to 25.3° | 1.6 mm/day | 76.2% | 1.9 m/s | 16 hours |
| July | 18 °C11.2° to 28.2° | 1 mm/day | 76% | 1.8 m/s | 15.6 hours |
| August | 18.1 °C11.7° to 27.7° | 1.2 mm/day | 76.2% | 1.7 m/s | 14.2 hours |
| September | 15.2 °C8.9° to 24.7° | 1.9 mm/day | 78% | 1.9 m/s | 12.3 hours |
| October | 10.5 °C4.8° to 18.1° | 3.9 mm/day | 82.7% | 2.5 m/s | 10.4 hours |
| November | 6.6 °C0.5° to 12.9° | 5.7 mm/day | 85.2% | 3.1 m/s | 8.8 hours |
| December | 4.2 °C-1.7° to 10° | 5.1 mm/day | 85.6% | 3.3 m/s | 8 hours |
Comparative monthly temperature, precipitation, wind, humidity, and daylight normals for Jedediah Island Marine Provincial Park
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.
Examine monthly weather patterns and annual atmospheric data across distinct protected landscapes






Deepen your knowledge of British Columbia protected areas by examining the specific terrain and marine environment of this island park. Through the MoriAtlas, gain insight into the mapped boundaries and regional context that shape this coastal, forest-rich landscape.