May weather forecastCát Hải, Vietnam
May weather forecast for Cát Hải, Vietnam: May brings maximum temperature fluctuations to Cát Hải, Vietnam, with the highest temperature reaching up to 28.4°C (83.1°F). Cát Hải's transition into May brings a slight rise in the average high-temperature, moving from 24.8°C (76.6°F) in April to a still moderately hot 28.4°C (83.1°F).
May
Weather in May
May brings maximum temperature fluctuations to Cát Hải, Vietnam, with the highest temperature reaching up to 28.4°C (83.1°F). It is the onset of the extremely hot and wet summer season with triple the rainfall from the month of April at 152mm (5.98"), which necessitates carrying umbrellas or waterproof gear for outdoor activities. Despite the increase in rainfall, there is a noticeable improvement in the sunshine hours compared to the previous months. Surprisingly, wind conditions tend to intensify, making it a good time for wind-based sports. Amidst all the changes, the pressure drops significantly, which could influence the overall climate conditions.Temperature
Cát Hải's transition into May brings a slight rise in the average high-temperature, moving from 24.8°C (76.6°F) in April to a still moderately hot 28.4°C (83.1°F). Cát Hải's nighttime temperature in May consistently rests at a still moderately hot 25.5°C (77.9°F).Heat index
For May, the heat index is evaluated at a hot 34°C (93.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In May, the average relative humidity is 84%.Rainfall
In Cát Hải, in May, it is raining for 22.2 days, with typically 152mm (5.98") of accumulated precipitation. Throughout the year, there are 232.3 rainfall days, and 1483mm (58.39") of precipitation is accumulated.Daylight
In Cát Hải, the average length of the day in May is 13h and 8min.On the first day of May, sunrise is at 05:21 and sunset at 18:16. On the last day of the month, sunrise is at 05:10 and sunset at 18:29 +07.
Sunshine
The average sunshine in May is 9.9h.UV index
The months with the highest UV index in Cát Hải are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 7 turns into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cát Hải, Vietnam
- Average high temperature in May: 28.4°C
The warmest months (with the highest average high temperature) are June, July and August (30.3°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in May: 25.5°C
The month with the highest average low temperature is July (27.5°C).
The coldest month (with the lowest average low temperature) is January (15.9°C).
Average pressure in May
Cát Hải, Vietnam
- Average pressure in May: 1006.4mbar
The month with the highest atmospheric pressure is January (1019.1mbar).
The month with the lowest atmospheric pressure is June (1002.6mbar).
Average wind speed in May
Cát Hải, Vietnam
- Average wind speed in May: 14.3km/h
The windiest month (with the highest average wind speed) is June (16.2km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in May
Cát Hải, Vietnam
- Average humidity in May: 84%
The month with the highest relative humidity is April (86%).
The month with the lowest relative humidity is December (73%).
Average rainfall in May
Cát Hải, Vietnam
- Average rainfall in May: 152mm
The wettest month (with the highest rainfall) is August (324mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in May
Cát Hải, Vietnam
- Average rainfall days in May: 22.2 days
The month with the highest number of rainy days is July (28.3 days).
The month with the least rainy days is November (12.6 days).
Average daylight in May /
Average sunshine in May
Cát Hải, Vietnam
- Average daylight in May: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Cát Hải, Vietnam
- Average sunshine days in May: 7.1 days
The months with the most sunshine days are October and December (14.5 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in May
Cát Hải, Vietnam
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in May
Cát Hải, Vietnam
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Cát Hải, Vietnam
- Average visibility in May: 9km
The months with the highest visibility are June, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, July, August and September (9km).





