Koh Samet Weather in July
July in Koh Samet typically sees daytime highs of 31°C (88°F) and nighttime lows of 27°C (81°F). July falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Koh Samet in July
Koh Samet is in the rainy season in July, with rain on around 15 days and an average of 266 mm (10 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Koh Samet in July
In July, expect very high temperatures in Koh Samet, with highs of 31°C (88°F) and lows of 27°C (81°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Koh Samet in July
The city usually sees around 118 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).July in Koh Samet has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Koh Samet Temperature in July
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
50%
Precipitation
266 mm (10 in)
Rainy days
15 days
Humidity
77% *
Sunshine
118 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koh Samet typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Koh Samet in July
Browse day-by-day weather records for Koh Samet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Samet historical weather extremes in July
According to our 49 years of weather records for Koh Samet, the following extremes were recorded between 1976 and 2025.
- Koh Samet recorded its highest July temperature of 38°C (100°F) on July 19, 1998.
- The lowest daytime temperature in July was 26°C (79°F), recorded on July 11, 1985.
- Koh Samet registered its coldest July night on July 28, 1986, with temperatures dropping to 21°C (70°F).
Best Places in Thailand in July
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in July →
perfect weather
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tolerable
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What to Wear in Koh Samet in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Koh Samet in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Temperature Rainfall Sunshine Humidity
See the full Koh Samet climate overview or explore weather in Thailand.
