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Guam weather in October 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
- 2222 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 317317 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
Recommended for Guam
The October 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 October?
Daytime temperatures usually reach 31°C in Agana, Guam in October with very high heat and humidity, falling to 25°C at night.
How sunny is it in Guam in October?
There are normally 4 hours of bright sunshine each day in Agana, Guam in October - that's 37% of daylight hours.
How warm is the sea around Guam in October?
The average sea temperature around Agana, Guam in October is 29°C.
Does it rain in Guam in October?
There are usually 22 days with some rain in Agana, Guam in October and the average monthly rainfall is 317mm.
What is the chance of a typhoon in Guam in October?
On average 2.5 days in October in Agana, Guam are likely to be affected by the passage of one or more tropical storms.
Metric (°C / mm) | Imperial (°F / inches)
Guam sunrise & sunset times for October 2021
Browse the sunrise and sunset times for Guam in October 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|
|Friday, 1st October 2021||06:10||18:11|
|Saturday, 16th October 2021||06:12||18:01|
|Sunday, 31st October 2021||06:15||17:54|
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