Climate Overview
The climate in Phan Thiết is hot. The average annual temperature is 27°C and approximately 1218mm of precipitation falls per year. October is the wettest month, receiving around 195mm 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, June, September. The coldest months are February, January, December, when temperatures can drop to 24°C.
Temperature
Phan Thiết has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is May, when average highs reach 30°C and the mean temperature sits around 29°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 2°C between highs and lows.
Precipitation
Phan Thiết is a fairly wet location, receiving approximately 1218mm of precipitation annually, which averages out to around 101mm per month. The wettest month is October, averaging 195mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 4mm. That's 192mm 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 relatively calm, with an average annual wind speed of 5km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
91 days until Autumn
It is currently summer in Phan Thiết, which began on June 21, 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 30°C, while the coldest stretch bottoms out in February near 24°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.
Spring
Temperatures range from 26 to 30°C. Precipitation is moderate at around 157mm for the season, averaging 52mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 462mm across the season with a monthly average of 154mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 468mm across the season with a monthly average of 156mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 131mm over the season and a monthly average of 44mm. Winds are generally light, averaging 6km/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.
