May weather forecastPhan Thiet, Vietnam
May
Weather in May
May in Phan Thiet, Vietnam is recognizably different from the preceding months, marking the arrival of the rainy season. An exceptional amount of rainfall is observed with a total precipitation volume of 153mm (6.02"). This period witnesses a substantial increase in wet days compared to April. Evening temperatures remain moderate, offering respite from the May heat. The shift from dry to wet atmosphere is further emphasized as May folds into June.Temperature
During April and May, Phan Thiet experiences its highest average temperatures, peaking at 32°C (89.6°F).Rainfall
In Phan Thiet, in May, during 15 rainfall days, 153mm (6.02") of precipitation is typically accumulated. In Phan Thiet, during the entire year, the rain falls for 157 days and collects up to 1671mm (65.79") of precipitation.Sea temperature
In Phan Thiet, the average seawater temperature in May is 29°C (84.2°F).Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.
Daylight
The average length of the day in May is 12h and 38min.On the first day of the month, sunrise is at 05:28 and sunset at 17:59. On the last day of May, sunrise is at 05:22 and sunset at 18:06 +07.
Sunshine
In Phan Thiet, the average sunshine in May is 5h.UV index
The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 12 in May converts into the following recommendations:
Put into action all crucial precautions. Defense against sun damage is a must. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity. Caution! The mirror effect of sand and water ups the UV radiation strength.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Phan Thiet, Vietnam
- Average high temperature in May: 32°C
The warmest months (with the highest average high temperature) are April and May (32°C).
The month with the lowest average high temperature is January (28°C).
- Average low temperature in May: 25°C
The months with the highest average low temperature are April and May (25°C).
The coldest month (with the lowest average low temperature) is January (21°C).
Average rainfall in May
Phan Thiet, Vietnam
- Average rainfall in May: 153mm
The wettest month (with the highest rainfall) is October (253mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in May
Phan Thiet, Vietnam
- Average rainfall days in May: 15 days
The months with the highest number of rainy days are August and September (20 days).
The months with the least rainy days are February and March (5 days).
Average sea temperature in May
Phan Thiet, Vietnam
- Average sea temperature in May: 29°C
The best month for swimming (with the highest average sea temperature) is June (29.1°C).
The coldest month (with the lowest average sea temperature) is January (24.6°C).
Average daylight in May /
Average sunshine in May
Phan Thiet, Vietnam
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in May: 5h
The months with the most sunshine are February, March and April (Average sunshine: 6h).
The months with the least sunshine are October and November (Average sunshine: 4h).
Average UV index in May
Phan Thiet, Vietnam
- Average UV index in May: 12
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are November and December (UV index 10).





