Weather in Cát Bà Island: May
|Average day temperature:||30.2°C|
|Average night temperature:||27.0°C|
|Sea water temperature:||27.9°C|
|Number of sunny days:||12 days|
|Day length:||12.9 - 13.3 hours|
|Number of rainy days:||9 days|
|Precipitation totals:||125.6 mm.|
Air temperature in May, °C
The highest day temperature during May of 2021 was 32°C. At the same time the lowest night temperature was 24°C. Daily and nightly averages during May were 29.3°C and 27.2°C.
Sea water temperature in Cát Bà Island in May, °C
The average sea water temperature in May of 2021 was 28.7°C. The highest and lowest sea temperatures during the month were class="nb">30.1°C and 26.2°C.
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, mm
Precipitation total value in Cát Bà Island in May is 125.6 mm.
The average wind speed value in May is 4.2 m./s.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.0.
Best time for vacation in Cát Bà Island
Cát Bà Island on a weather map
|+22°C||W 1 m/s|