Haad Rin Temperature by Month

The average annual maximum temperature in Haad Rin, Surat Thani Province, Thailand is 30°C (86°F), with little variation between seasons. This page covers monthly averages, day-night differences, and how Haad Rin compares to cities worldwide.

In Haad Rin temperatures are generally consistent throughout the year. Maximum daytime temperatures range from a comfortable 29°C (84°F) in January to a very warm 31°C (88°F) in May. Nighttime lows range from 28°C (82°F) in May to 26°C (79°F) in January.

The chart below illustrates the average maximum day and minimum night temperatures in Haad Rin by month:

The coldest point of the day usually falls between 4 AM and 6 AM, with temperatures peaking around 3 PM. May, the city's warmest month, gets 195 hours of sunshine.

The chart below shows the average temperature throughout the year:

Haad Rin's average annual maximum temperature is 30°C (86°F). To put that in context, here's how it compares to a few well-known destinations:

Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.

Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.

Boston, USA averages 16°C (61°F) annually, with four distinct seasons and cold winters that rival northern Europe.

Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate, hot dry summers and mild wet winters.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In Haad Rin, January is the coolest month, with average highs of 29°C (84°F) and humidity around 83%, considered very high. In May, the warmest month, temperatures average 31°C (88°F) with 80% humidity, conditions that feel very high. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round, large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.

For more on Haad Rin's weather, including monthly rainfall, sunshine hours, and humidity, visit our Haad Rin climate page.