May weather forecastIroquois Point, HI
May
Weather in May
May, the last month of the spring in Iroquois Point, is also a moderately hot month, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 78.4°F (25.8°C).Temperature
The transition from April to May sees an average high-temperature of a still warm 78.4°F (25.8°C), indicating a minor variance from the prior month. In May, Iroquois Point's nights cool slightly to a consistent average temperature of 72.7°F (22.6°C).Humidity
The months with the lowest humidity are April, May, September and November, with an average relative humidity of 74%.Rainfall
In Iroquois Point, in May, during 17.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Iroquois Point, during the entire year, the rain falls for 197.2 days and collects up to 14.61" (371mm) of precipitation.Ocean temperature
In Iroquois Point, the average seawater temperature in May is 77.9°F (25.5°C).Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.
Daylight
In Iroquois Point, the average length of the day in May is 13h and 10min.On the first day of the month, sunrise is at 6:00 am and sunset at 6:57 pm. On the last day of May, sunrise is at 5:49 am and sunset at 7:10 pm HST.
Sunshine
In Iroquois Point, the average sunshine in May is 10.3h.UV index
The months with the lowest UV index are January through June, October through 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 radiation for ordinary individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Iroquois Point, HI
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is September (81.5°F).
The months with the lowest average high temperature are February and March (75°F).
- Average low temperature in May: 72.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in May
Iroquois Point, HI
- Average pressure in May: 30.04"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 May
Iroquois Point, HI
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in May
Iroquois Point, HI
- Average humidity in May: 74%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, September and November (74%).
Average rainfall in May
Iroquois Point, HI
- Average rainfall in May: 1.18"
The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in May
Iroquois Point, HI
- Average rainfall days in May: 17.1 days
The months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).
Average sea temperature in May
Iroquois Point, HI
- Average sea temperature in May: 78°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in May /
Average sunshine in May
Iroquois Point, HI
- Average daylight in May: 13h and 12min
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 May: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Iroquois Point, HI
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).
Average UV index in May
Iroquois Point, HI
- Average UV index in May: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in May
Iroquois Point, HI
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are January and September (Cloud cover 33).
Average visibility in May
Iroquois Point, 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).





