World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island weather in April

Weather in Cat Ba Island: April

Average day temperature: 78.9°F
Average night temperature: 73.7°F
Sea water temperature: 75.1°F
Number of sunny days: 6 days
Day length: 12.3 - 12.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.5 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 83°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during April were 81.0°F and 74.9°F.

Sea water temperature in Cat Ba Island in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Cat Ba Island in April is 1.4 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 7.5 mph It makes April lest windy month of the year.

Average sunny hours

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 April is: 5.1.

Best time for vacation in Cat Ba Island

Sunniest months:
October 14 days
June 12 days
September 12 days
Warmest months:
August 88.9 °F
July 88.9 °F
June 88.2 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.3 °F
Coldest months:
January 66.9 °F
February 68.3 °F
December 69.3 °F
Rainiest months:
July 15 days
August 14 days
June 12 days
Windiest months:
June 10.6 mph
July 10.1 mph
October 9.7 mph

Cat Ba Island on a weather map

Cat Ba Island
+77°F
N 9 mph
Feels like: +81°F
Precip.: 75%
Places in Vietnam:
Name
°F
+73°F
+79°F
+66°F
+73°F
+73°F
+75°F
+77°F
+75°F
+73°F
+75°F
+75°F
+82°F
+73°F
+75°F
+82°F
24 Hours Forecast
Cat Ba Island
Local time: 03:25
April 27, monday
0600
77°F
N
6 mph
0900
81°F
N
9 mph
1200
82°F
N
12 mph
1500
81°F
N
12 mph
1800
79°F
NW
9 mph
2100
79°F
NW
6 mph
April 28, tuesday
0000
77°F
N
7 mph
0300
77°F
N
9 mph
Units of measurement: °C / °F