Climate Overview
The climate in Phatthalung is hot. The average annual temperature is 28°C and approximately 1945mm of precipitation falls per year. Phatthalung receives a notable amount of rainfall throughout the year, including during its driest month. Phatthalung sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Phatthalung has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 29°C. February is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Phatthalung is a fairly wet location, receiving approximately 1945mm of precipitation annually, which averages out to around 162mm per month. The wettest month is November, averaging 388mm of rainfall. December and October also tend to see above-average precipitation. The driest month is March, with just 52mm. That's 336mm 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
Phatthalung is mildly breezy, with an average annual wind speed of 14km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 17km/h in winter, 14km/h in spring, 14km/h in summer, 13km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Phatthalung, which began on March 20, 2026. Phatthalung sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 33°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 24 to 33°C. Rainfall is heavy, totalling around 324mm across the season with a monthly average of 108mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 33°C. Rainfall is heavy, totalling around 367mm across the season with a monthly average of 122mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 817mm across the season with a monthly average of 272mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 437mm across the season with a monthly average of 146mm. Winds are moderate at around 17km/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 Phatthalung 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.
