May weather forecastKealakekua, HI
May
Weather in May
The last month of the spring, May, is also an agreeable month in Kealakekua, Hawaii, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 71.1°F (21.7°C).Temperature
The beginning of May records an average high-temperature of a still pleasant 71.1°F (21.7°C), marking a negligible difference from April's 69.3°F (20.7°C). Kealakekua observes a consistent average low-temperature of 66.7°F (19.3°C) throughout May nights.Humidity
In Kealakekua, the average relative humidity in May is 80%.Rainfall
In May, the rain falls for 21.1 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Kealakekua, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.Daylight
In Kealakekua, the average length of the day in May is 13h and 4min.On the first day of May, sunrise is at 5:54 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 6:58 pm HST.
Sunshine
The month with the most sunshine is May, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Fend off overexposure. Sun protection is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kealakekua, HI
- Average high temperature in May: 71.1°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 May: 66.7°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 May
Kealakekua, HI
- Average pressure in May: 30.03"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 May
Kealakekua, HI
- Average wind speed in May: 6.3mph
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 May
Kealakekua, HI
- Average humidity in May: 80%
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 May
Kealakekua, HI
- Average rainfall in May: 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 May
Kealakekua, HI
- Average rainfall days in May: 21.1 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 May /
Average sunshine in May
Kealakekua, HI
- Average daylight in May: 13h and 6min
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 May: 10h and 42min
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 May
Kealakekua, HI
- Average sunshine days in May: 3.2 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 May
Kealakekua, HI
- Average UV index in May: 6
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 May
Kealakekua, HI
- Average cloud cover in May: 29
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 May
Kealakekua, HI
- Average visibility in May: 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).
