April weather forecastLahaina, HI
April
Weather in April
In April, a marvelous evolution takes place with the Lahaina weather stirring towards the drier side. This transition heralds a mild decrease in rainfall and an increase in sunshine hours. Additionally, the sea temperature begins to rise gradually, inviting beach enthusiasts to revel in their favorite activities. The wind, still a significant feature, maintains consistency. April stays versatile, accommodating various outdoor pursuits.Temperature
April records an average high-temperature of a still moderately hot 75.4°F (24.1°C), indicating a minor variation from the preceding month. Lahaina consistently logs a low temperature averaging a pleasant 72.1°F (22.3°C) during April, a modest drop from daytime temperatures.Humidity
The average relative humidity in April is 76%.Rainfall
In Lahaina, Hawaii, in April, during 9.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Lahaina, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.Ocean temperature
In Lahaina, the average seawater temperature in April is 76.8°F (24.9°C).Note: People sensitive to cold might find swimming in 76.8°F (24.9°C) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.
Daylight
The average length of the day in April is 12h and 38min.On the first day of April, sunrise is at 6:18 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:51 pm HST.
Sunshine
In Lahaina, the average sunshine in April is 8.8h.UV index
The months with the lowest UV index in Lahaina are January through June, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 6 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lahaina, HI
- Average high temperature in April: 75.4°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in April: 72.1°F
The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).
Average pressure in April
Lahaina, HI
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Lahaina, HI
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in April
Lahaina, HI
- Average humidity in April: 76%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).
Average rainfall in April
Lahaina, HI
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Lahaina, HI
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).
Average sea temperature in April
Lahaina, HI
- Average sea temperature in April: 76.8°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight in April /
Average sunshine in April
Lahaina, HI
- Average daylight in April: 12h and 36min
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: 8h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Lahaina, HI
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in April
Lahaina, HI
- Average UV index in April: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in April
Lahaina, HI
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in April
Lahaina, 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).
