Temperatures in May
It's warm in May in Honolulu with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 22°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Honolulu in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Honolulu with hot temperatures, averaging around 29°C during the day and nights close to 23°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature rises to around 30°C, with nights close to 24°C. Not much precipitation expected during this period. It’s mostly dry with sunshine. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of May
By the end of May, the average daytime temperature in Honolulu will be around 30°C, with nights close to 24°C. A shower might show up, but overall the weather will be dry and sunny. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Discover cheap trips to Honolulu 
Water temperature
The water temperature at Honolulu is 27°C this month. Nice and warm for a swim.
Precipitation in May
In May, there is an average of 26 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the East.
The precipitation chance averages 18% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Honolulu. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Honolulu in May |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 18°C | |
 High Temp |
30°C | 21°C | |
| Low Temp |
28°C | 15°C | |
 Total Precipitation |
26 mm | 46 mm | |
| Rainy Days |
5 days | 8 days | |
April
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Honolulu?
Want nice weather? Then May is a great time to be in Honolulu. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Honolulu in May
With 32°C, Honolulu hit the highest temperature in the last 10 years in May 2019. The lowest daytime temperature in this month was 24°C in 2018. The extreme night temperatures ranged from a low of 17°C to a high of 26°C.
Check out the climate of Honolulu for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Honolulu and see what our partners have for you.
Daily Temperature in May in Honolulu
This chart shows the average daily temperatures, both day and night, for each day in May in Honolulu, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Honolulu
The chart below shows the average daily precipitation in May for Honolulu, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 5 days of rain in Honolulu.
Daily UV Index in May in Honolulu
This chart shows the average daily UV index in May in Honolulu, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Honolulu Over the Years
This chart shows the average temperature in May in Honolulu, measured in degrees Celsius, over the past years.
Total Precipitation in May in Honolulu Over the Years
This chart shows the average precipitation in May in Honolulu, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Honolulu
Click on a specific day in May for detailed info on the typical weather on that day in Honolulu. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Honolulu
Have you been to Honolulu in May?
Share your weather experience in May in Honolulu.
Average Weather in Honolulu by Month
Click on a month below to see detailed weather info for Honolulu. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
