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 snowfall 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
April's onset records a minor alteration in the average high-temperature to a still warm 76.3°F (24.6°C) from March's 75.2°F (24°C). In Lanai City, a slight decrease from the daytime peak is noted during the month of April, with an average low-temperature of 73°F (22.8°C).Humidity
The average relative humidity in April in Lanai City is 74%.Rainfall
In April, the rain falls for 8.7 days. Throughout April, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Lanai City, there are 98.9 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
In Lanai City, snow does not fall in January through August, October through December.Ocean temperature
The months with the coldest seawater are January through April, with an average ocean temperature of 75.2°F (24°C).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 75.2°F (24°C) waters. (For comparison, the Olympic swimming standard is set between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In April, the average length of the day in Lanai City is 12h and 38min.On the first day of April in Lanai City, Hawaii, sunrise is at 6:20 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:52 pm HST.
Sunshine
In Lanai City, the average sunshine in April is 9.3h.UV index
The months with the lowest UV index in Lanai City are January through April, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During April, 6 as the daily maximum UV index converts into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Frequently asked questions
What are April temperatures in Lanai City?
What is the average humidity in April in Lanai City?
How much does it rain in Lanai City in April?
When it does not snow in Lanai City?
When is the ocean coldest in Lanai City?
How warm is the water in April in Lanai City?
How many hours of daylight does Lanai City have in April?
When is the sunrise / sunset in April in Lanai City?
How many hours of sunshine does Lanai City have in April?
What are the months with the lowest UV index in Lanai City?
What is the UV index reading in April in Lanai City?
Average temperature in April
Lanai City, HI
- Average high temperature in April: 76.3°F
The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in April: 73°F
The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).
Average pressure in April
Lanai City, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The month with the lowest atmospheric pressure is October (29.96"Hg).
Average wind speed in April
Lanai City, HI
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).
Average humidity in April
Lanai City, HI
- Average humidity in April: 74%
The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in April
Lanai City, HI
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Lanai City, HI
- Average rainfall days in April: 8.7 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days in April
Lanai City, HI
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature in April
Lanai City, HI
- Average sea temperature in April: 75°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in April /
Average sunshine in April
Lanai City, HI
- Average daylight in April: 12h and 4min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in April
Lanai City, HI
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in April
Lanai City, HI
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in April
Lanai City, HI
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in April
Lanai City, 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).
Lanai City, Hawaii, USA
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