Climate Overview
The climate in Nakhon Si Thammarat Airport is hot. The average annual temperature is 27°C and approximately 2008mm of precipitation falls per year. Nakhon Si Thammarat Airport receives a notable amount of rainfall throughout the year, including during its driest month. Nakhon Si Thammarat Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Nakhon Si Thammarat Airport has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is May, when average highs reach 32°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Nakhon Si Thammarat Airport is a very wet location, receiving approximately 2008mm of precipitation annually, which averages out to around 167mm per month. The wettest month is November, averaging 408mm of rainfall. December and October also tend to see above-average precipitation. The driest month is March, with just 55mm. That's 353mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Nakhon Si Thammarat Airport is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 12km/h in spring, 10km/h in summer, 11km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Nakhon Si Thammarat Airport, which began on March 20, 2026. Nakhon Si Thammarat Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 32°C, while the coldest stretch bottoms out in February near 24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 329mm across the season with a monthly average of 110mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 31°C. Rainfall is heavy, totalling around 307mm across the season with a monthly average of 102mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 812mm across the season with a monthly average of 271mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 561mm across the season with a monthly average of 187mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Nakhon Si Thammarat Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
