
Khao Lak–Lam Ru National Park
- Annual mean
- 27.4 °C
- Warmest month
- April
- Wettest month
- September
Review thirty years of climate-normal records covering monthly temperature, wind, and precipitation
At the representative location for Mu Ko Similan National Park, monthly mean temperatures range from 27.5 to 28.8 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

Long term monthly temperature averages and daily precipitation rates across twelve months
Analyze long-term temperature bounds, precipitation rates, humidity, wind, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 27.5 °C26° to 29.1° | 1.7 mm/day | 77.5% | 4.7 m/s | 11.6 hours |
| February | 27.9 °C26.4° to 29.5° | 1 mm/day | 76% | 4.1 m/s | 11.7 hours |
| March | 28.3 °C26.8° to 30° | 2.7 mm/day | 77.3% | 3.7 m/s | 12 hours |
| April | 28.8 °C27.3° to 30.1° | 4.3 mm/day | 78.6% | 3.3 m/s | 12.2 hours |
| May | 28.8 °C27.3° to 30° | 8.1 mm/day | 80.9% | 4.6 m/s | 12.4 hours |
| June | 28.5 °C27.2° to 29.5° | 8.4 mm/day | 81.6% | 5.7 m/s | 12.5 hours |
| July | 28.2 °C26.9° to 29.2° | 8.3 mm/day | 81.4% | 6.1 m/s | 12.5 hours |
| August | 28 °C26.6° to 29.1° | 9.4 mm/day | 82% | 6.2 m/s | 12.3 hours |
| September | 27.6 °C26.4° to 28.7° | 10.3 mm/day | 82.8% | 5.3 m/s | 12 hours |
| October | 27.5 °C26° to 28.8° | 9.2 mm/day | 82.8% | 4.2 m/s | 11.8 hours |
| November | 27.8 °C26.4° to 29.2° | 6.5 mm/day | 80.9% | 4.2 m/s | 11.6 hours |
| December | 27.6 °C25.9° to 29.1° | 3.5 mm/day | 78.6% | 5 m/s | 11.5 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, and daylight duration.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Examine long-term monthly temperature and precipitation patterns across diverse geographic settings.








Explore the map, landscapes, and protection details for Mu Ko Similan National Park.