World Resorts USA Kauai Weather

Kauai weather in May

Weather in Kauai: May

Average day temperature: 76.2°F
Average night temperature: 73.0°F
Sea water temperature: 77.2°F
Number of sunny days: 1 day
Day length: 13.0 - 13.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 80°F. At the same time the lowest night temperature was 68°F. Day and night temperature averages during May were 76.1°F and 71.3°F.

Sea water temperature in Kauai in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 76.6°F. The highest and lowest sea temperatures during the month were 77.4°F and 75.2°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in May, in.

Precipitation total value in Kauai in May is 0.8 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 10.3 mph It makes May one of the least windy months 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 May is: 4.8.

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 2 days
Warmest months:
September 80.2 °F
August 79.7 °F
July 79.1 °F
Warmest sea temp:
September 80.4 °F
October 80.3 °F
August 79.7 °F
Coldest months:
February 73.4 °F
March 73.9 °F
January 74.8 °F
Rainiest months:
January 3 days
March 2 days
May 1 day
Windiest months:
July 11.9 mph
February 11.1 mph
August 10.9 mph

Kauai on a weather map

Kauai
+73°F
NW 4 mph
Feels like: +77°F
Precip.: 64%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+52°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Kauai
Local time: 21:48
December 22, sunday
0000
73°F
NW
4 mph
0300
72°F
N
2 mph
0600
72°F
NE
2 mph
0900
75°F
S
2 mph
1200
77°F
S
6 mph
1500
75°F
SW
6 mph
1800
73°F
SW
6 mph
2100
70°F
SW
6 mph
Units of measurement: °C / °F