Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Captain Cook in May witnesses an average high-temperature of a still pleasant 71.1°F (21.7°C), indicating a slight variation from April's 69.3°F (20.7°C). Captain Cook in May experiences a minor decline in temperature, with an average low of 66.7°F (19.3°C) at night.Humidity
In May, the average relative humidity in Captain Cook, Hawaii, is 80%.Rainfall
In Captain Cook, in May, it is raining for 21.1 days, with typically 1.42" (36mm) of accumulated precipitation. In Captain Cook, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.Daylight
The average length of the day in May in Captain Cook is 13h and 4min.On the first day of the month, sunrise is at 5:54 am and sunset at 6:46 pm. On the last day of May, sunrise is at 5:44 am and sunset at 6:58 pm HST.
Sunshine
With an average of 10.7h of sunshine, May has the most sunshine of the year in Captain Cook.UV index
The months with the highest UV index in Captain Cook are May through October, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the temperature in May in Captain Cook?
What is the average humidity in May in Captain Cook?
How much does it rain in Captain Cook in May?
What is the average length of the day in May in Captain Cook?
When is the sunrise / sunset in May in Captain Cook?
What month has the most sunshine in Captain Cook?
How many hours of sunshine does Captain Cook have in May?
What is the month with the highest UV index in Captain Cook?
How high is the UV index in May in Captain Cook?
Average temperature in May
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, HI
- Average daylight in May: 13h and 1min
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 4min
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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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
Captain Cook, 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).
Captain Cook, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location
