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Khanom Weather in May

During May, Khanom experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 27°C (81°F). Expect quite a bit of rainfall. Around 138 mm (5.4 in) is typical.

Rainfall in Khanom in May

Typically, you can expect about 17 days of rain this month, with 138 mm (5.4 in) on average. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Khanom in May

Temperatures in Khanom in May top out at 32°C (90°F) and drop to 27°C (81°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Khanom in May

Expect a lot of sunshine this month, with about 193 hours of sun. These sunny conditions add to the overall experience.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Khanom.

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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 Khanom's climate page.

Khanom Temperature in May

Min TemperatureMin Temperature 27°C (81°F)  
Max TemperatureMax Temperature 32°C (90°F)  
Chance of RainChance of Rain 57%  
PrecipitationPrecipitation 138 mm (5.4 in)  
Rainy daysRainy days 17 days  
HumidityHumidity 80% *  
SunshineSunshine 193 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Koh Samui, Thailand (36 KM, 22 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Khanom typically stay consistent throughout May, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in May

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 May

Historical weather for Khanom in May

Browse day-by-day weather records for Khanom spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Khanom historical weather extremes in May

According to our 50 years of weather records for Khanom, the following extremes were recorded between 1976 and 2026.

  • On May 8, 1998, temperatures climbed to 40°C (104°F), marking the warmest May day on record.
  • The lowest daytime temperature in May was 28°C (82°F), recorded on May 17, 2009.
  • The coldest night in May in Khanom was on May 7, 1981, with a minimum of 22°C (72°F).

Best Places in Thailand in May

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in May →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Khanom in May

Warm temperatures in May 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. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Khanom in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Select a Month

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 Khanom's climate page.

More climate data for Khanom