Climate Overview
The climate in Phan Thiết is hot. The average annual temperature is 27°C and approximately 1645mm of precipitation falls per year. October is the wettest month, receiving around 274mm of rainfall. Phan Thiết is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are February, January, December, when temperatures can drop to 22°C.
Temperature
Phan Thiết has relatively stable temperatures year-round, staying within a 10°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 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Phan Thiết is a fairly wet location, receiving approximately 1645mm of precipitation annually, which averages out to around 137mm per month. The wettest month is October, averaging 274mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 265mm less than October, 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
Phan Thiết 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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 11km/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.
Seasons
89 days until Summer
It is currently spring in Phan Thiết, which began on March 20, 2026. Phan Thiết is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 32°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 32°C. Precipitation is moderate at around 247mm for the season, averaging 82mm per month. 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 31°C. Rainfall is heavy, totalling around 620mm across the season with a monthly average of 207mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 668mm across the season with a monthly average of 223mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 30°C. Rainfall is relatively light, with around 110mm over the season and a monthly average of 37mm. Winds are moderate at around 15km/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 Phan Thiết 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.
