Ursula Island Game Refuge and Bird Sanctuary
- Annual mean
- 27.7 °C
- Warmest month
- April
- Wettest month
- October
Twelve-month analysis of temperature, precipitation, humidity, wind, and daylight hours
View authoritative climate data for Turtle Islands Wildlife Sanctuary, derived from NASA POWER measurements between 1991 and 2020. This profile presents representative monthly averages for temperature, daily precipitation, relative humidity, wind speed, and daylight hours at a fixed coordinate within the wildlife reserve. These figures provide a baseline for understanding the annual atmospheric cycle in Tawi-Tawi, distinct from real-time weather forecasts or seasonal variations.
Long term monthly temperature averages and precipitation rates across twelve months at a representative coordinate
Compare average temperature bounds, daily precipitation rates, humidity, wind speed, and daylight hours throughout the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 26.4 °C24.7° to 28.6° | 10.8 mm/day | 86.7% | 3 m/s | 11.7 hours |
| February | 26.4 °C24.7° to 28.6° | 8.5 mm/day | 85.5% | 3 m/s | 11.8 hours |
| March | 26.8 °C25° to 29.2° | 5.9 mm/day | 84% | 2.6 m/s | 12 hours |
| April | 27.6 °C25.8° to 30° | 4.5 mm/day | 82.3% | 2.1 m/s | 12.1 hours |
| May | 27.8 °C26° to 30.1° | 4.6 mm/day | 84% | 1.9 m/s | 12.3 hours |
| June | 27.4 °C25.6° to 29.8° | 6.3 mm/day | 85.3% | 1.9 m/s | 12.4 hours |
| July | 27.2 °C25.3° to 29.7° | 6.7 mm/day | 85.4% | 1.9 m/s | 12.3 hours |
| August | 27.2 °C25.4° to 29.8° | 7.1 mm/day | 85.3% | 2 m/s | 12.2 hours |
| September | 27.3 °C25.4° to 29.8° | 7.5 mm/day | 84.4% | 1.8 m/s | 12 hours |
| October | 27.2 °C25.4° to 29.7° | 9 mm/day | 84.9% | 1.9 m/s | 11.9 hours |
| November | 27.1 °C25.5° to 29.3° | 9 mm/day | 86% | 2.1 m/s | 11.7 hours |
| December | 26.8 °C25.2° to 29° | 11.5 mm/day | 87.1% | 2.5 m/s | 11.7 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.
Comparing long-term averages for temperature, precipitation, wind, humidity, and daylight duration.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Examine monthly temperature, precipitation, and daylight rhythms across varied protected landscapes.

Trace the coastal boundaries and island distribution of this vital marine reserve in Tawi-Tawi. MoriAtlas provides a clear look at the terrain and marine habitats that define the sanctuary, highlighting its role as a cross-border protected area and a key ecological landmark within the Sulu Archipelago.