Weather in Similan: July
| Average day temperature: | 85.6°F | |
| Average night temperature: | 80.0°F | |
| Sea water temperature: | 84.5°F | |
| Number of sunny days: | 4 days | |
| Day length: | 12.5 - 12.6 hours | |
| Number of rainy days: | 17 days | |
| Precipitation totals: | 11.7 in. | |
| more information | ||
forecast
| Similan |
temperature
| Similan |
Air temperature in July, °F
The highest day temperature during July of 2025 was 84°F. At the same time the lowest night temperature was 78°F. Daily and nightly averages during July were 82.9°F and 80.0°F.
Sea water temperature in Similan in July, °F
The average sea water temperature in July of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.8°F.
Mostly all days in July are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Similan in July is 11.9 in. It makes july one of the most rainy months of the year.
The average wind speed value in July is 8.7 mph It makes July most windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 4.2.
Best time for vacation in Similan
Similan on a weather map

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