April weather forecastCaptain Cook, HI
April
Weather in April
April, like March, is an agreeable spring month in Captain Cook, Hawaii, with an average temperature fluctuating between 69.3°F (20.7°C) and 64.9°F (18.3°C).Temperature
Captain Cook's April is marked by a high-temperature average of a still pleasant 69.3°F (20.7°C), unchanged from the previous month. Captain Cook's nocturnal readings in April exhibit minimal variation from the daytime temperatures, averaging at a refreshing 64.9°F (18.3°C).Humidity
The average relative humidity in April is 79%.Rainfall
In Captain Cook, during April, the rain falls for 19.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Captain Cook, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.Daylight
In Captain Cook, the average length of the day in April 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 April, the average sunshine 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 reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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 daylight in April /
Average sunshine in April
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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).
