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Guam weather in May 2021
Get the latest coronavirus (Covid-19) updates for Guam with current travel advice and statistics on new cases per 100,000 and vaccine.
- 3131°C max day temperature
- 2020 days with some rainfall
- 2525°C min night temperature
- 1313 hours of daylight per day
- VHVery High heat & humidity
- 142142 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2828°C sea temperature
Recommended for Guam
The May weather guide for Guam shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Guam in May?
Daytime temperatures usually reach 31°C in Agana, Guam in May with very high heat and humidity, falling to 25°C at night.
How sunny is it in Guam in May?
There are normally 7 hours of bright sunshine each day in Agana, Guam in May - that's 56% of daylight hours.
How warm is the sea around Guam in May?
The average sea temperature around Agana, Guam in May is 28°C.
Does it rain in Guam in May?
There are usually 20 days with some rain in Agana, Guam in May and the average monthly rainfall is 142mm.
What is the chance of a typhoon in Guam in May?
On average less than 1 day in May in Agana, Guam is likely to be affected by the passage of one or more tropical storms.
Metric (°C / mm) | Imperial (°F / inches)
Guam sunrise & sunset times for May 2021
Browse the sunrise and sunset times for Guam in May 2021. Select a month to view Guam sunrise & sunset times for the next 12 months. The Guam sunrise and sunset times shown below are for Agana.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||06:00||18:37|
|Sunday, 16th May 2021||05:55||18:40|
|Monday, 31st May 2021||05:53||18:45|
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