April weather forecastKeauhou, HI
April
Weather in April
April, like March, is another pleasant spring month in Keauhou, Hawaii, with an average temperature ranging between max 69.3°F (20.7°C) and min 64.9°F (18.3°C).Temperature
The average high-temperature in April, at a still agreeable 69.3°F (20.7°C), mirrors March's climate. Keauhou in April observes a slight diminution in temperature from daily highs, recording a low-temperature average of 64.9°F (18.3°C).Humidity
In Keauhou, Hawaii, the average relative humidity in April is 79%.Rainfall
In Keauhou, in April, during 19.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Ocean temperature
In Keauhou, Hawaii, in April, the average water temperature is 76.6°F (24.8°C).Note: Swimming in 76.6°F (24.8°C) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
In April, the average length of the day is 12h and 37min.On the first day of April, sunrise is at 6:16 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:46 pm HST.
Sunshine
In Keauhou, the average sunshine in April is 9.1h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Keauhou, HI
- Average high temperature in April: 69.3°F
The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).
- Average low temperature in April: 64.9°F
The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).
Average pressure in April
Keauhou, HI
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in April
Keauhou, HI
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in April
Keauhou, HI
- Average humidity in April: 79%
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall in April
Keauhou, HI
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in April
Keauhou, HI
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).
Average sea temperature in April
Keauhou, HI
- Average sea temperature in April: 76.6°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight in April /
Average sunshine in April
Keauhou, HI
- Average daylight in April: 12h and 36min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).
Average sunshine days in April
Keauhou, HI
- Average sunshine days in April: 3.5 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).
Average UV index in April
Keauhou, HI
- Average UV index in April: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in April
Keauhou, HI
- Average cloud cover in April: 27
The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in April
Keauhou, HI
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
