Namtok Sam Lan National Park
- Annual mean
- 25.3 °C
- Warmest month
- April
- Wettest month
- September
Monthly analysis of atmospheric variables for the Saraburi Province representative coordinate.
Review long term climate normals for Namtok Chet Sao Noi National Park covering the 1991 to 2020 period. This profile documents average monthly temperature, precipitation, humidity, wind, and daylight hours based on a single representative coordinate at an elevation of 321.49 meters. These measured averages provide a structured overview of the annual atmospheric rhythm rather than current weather conditions or local microclimate variations across the entire park area.
Long term climatology normals mapping thermal variation alongside average daily rainfall patterns
Analyze long term historical averages for temperatures, daily precipitation rates, wind, and humidity across the year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 23.1 °C12.9° to 32.3° | 0.3 mm/day | 68.4% | 2.7 m/s | 11.2 hours |
| February | 25.5 °C15.5° to 35.2° | 0.4 mm/day | 64.7% | 2.6 m/s | 11.5 hours |
| March | 27.6 °C18.2° to 37.5° | 1.5 mm/day | 65.2% | 2.7 m/s | 11.9 hours |
| April | 28.2 °C21.1° to 38° | 2.9 mm/day | 69.8% | 2.5 m/s | 12.3 hours |
| May | 27.1 °C22.3° to 35.5° | 5.5 mm/day | 79.6% | 2.5 m/s | 12.7 hours |
| June | 26.1 °C21.9° to 32.5° | 5.7 mm/day | 84.2% | 2.9 m/s | 12.9 hours |
| July | 25.6 °C21.4° to 31.5° | 6 mm/day | 85.4% | 3.1 m/s | 12.8 hours |
| August | 25.3 °C21.3° to 30.8° | 7.6 mm/day | 87% | 3 m/s | 12.5 hours |
| September | 25.1 °C21° to 30.4° | 9.8 mm/day | 88.6% | 2.3 m/s | 12.1 hours |
| October | 24.7 °C18.3° to 30.4° | 5.1 mm/day | 86.6% | 2.4 m/s | 11.7 hours |
| November | 23.3 °C15.2° to 30.2° | 0.8 mm/day | 82.2% | 3 m/s | 11.3 hours |
| December | 21.9 °C12.4° to 30.2° | 0.2 mm/day | 74.8% | 3.3 m/s | 11.1 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 thirty-year monthly averages to identify the warmest, coolest, wettest, and driest calendar periods.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Evaluate monthly weather normals, precipitation cycles, and daylight patterns across regional landscapes.

Delve deeper into the mapped terrain and protected area context of Namtok Chet Sao Noi National Park. Understanding its geographic setting within Saraburi Province and the Dong Phaya Yen mountains reveals more about Thailand's diverse natural landscapes. Examine its unique features and role as a protected natural area, offering structured discovery for your atlas exploration.