Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Papaikou, April's average high-temperature stands at a still agreeable 70.9°F (21.6°C), closely related to the preceding month. Nighttime temperature reflects an average dip to a comfortable 64.9°F (18.3°C) in April, subtly cooler than its daytime highs.Humidity
In April, the average relative humidity is 79%.Rainfall
In Papaikou, during April, the rain falls for 21.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Papaikou, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Ocean temperature
In Papaikou, in April, the average water temperature is 76.3°F (24.6°C).Note: Factor in your tolerance to cold, the sunshine, the wind, and the air's warmth, and a swim in 76.3°F (24.6°C) might be tempting. It is interesting to note that Olympians compete in 77°F (25°C) to 82.4°F (28°C) water temperatures.
Daylight
In Papaikou, the average length of the day in April is 12h and 37min.On the first day of the month, sunrise is at 6:13 am and sunset at 6:34 pm. On the last day of April, sunrise is at 5:51 am and sunset at 6:43 pm HST.
Sunshine
In April, the average sunshine is 8.8h.UV index
January through April, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 5 in April leads to these recommendations:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Papaikou?
What is the average humidity in April?
How many days does it rain in April?
What is the water temperature in April in Papaikou?
What is the average length of the day in April in Papaikou?
When are sunrise and sunset in April?
How long on average sun shines in April?
What are the months with the lowest UV index?
What is the UV index reading in April?
Average temperature in April
Papaikou, HI
- Average high temperature in April: 70.9°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in April: 64.9°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in April
Papaikou, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Papaikou, HI
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in April
Papaikou, HI
- Average humidity in April: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in April
Papaikou, HI
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in April
Papaikou, HI
- Average rainfall days in April: 21.3 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average sea temperature in April
Papaikou, HI
- Average sea temperature in April: 76.3°F
The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in April /
Average sunshine in April
Papaikou, HI
- Average daylight in April: 12h and 4min
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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Papaikou, HI
- Average sunshine days in April: 1.9 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in April
Papaikou, HI
- Average UV index in April: 5
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in April
Papaikou, HI
- Average cloud cover in April: 38
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Papaikou, 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).
Papaikou, Hawaii, USA
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