Guam weather in October 2019

  • 31°C maximum daytime temperature in October in Guam (Agana)31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 22 days with some rainfall in October in Guam (Agana)22
    22 days with some rainfall
  • 25°C minimum night-time temperature in October in Guam (Agana)25
    25°C min night temperature
  • 12 hours of daylight per day in October in Guam (Agana)12
    12 hours of daylight per day
  • Very high heat & humidity in October in Guam (Agana)VH
    Very High heat & humidity
  • 317 mm monthly rainfall in October in Guam (Agana)317
    317 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Guam (Agana)11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Guam (Agana)29
    29°C sea temperature

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Expect 31°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Guam in October. Check more long-term weather averages for Guam in October before you book your next holiday to Guam in 2019/2020. The October weather averages shown above are for Agana.

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More about Guam

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The October weather guide for Guam, represented by Agana, 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.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Guam weather in October

The average maximum daytime temperature in Guam in October is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 4 hours of bright sunshine each day, which represents 37% of the 12 hours of daylight.

Expect 317mm (12.5 inches) of rainfall across the whole of October with 22 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Guam in October is 29°C (84°F).

The weather in Guam in October is represented by Agana.

Guam sunrise & sunset times for October 2019

Browse the sunrise & sunset times for Guam in October 2019. Select a month to view Guam sunrise & sunset times for the next twelve months. The Guam sunrise & sunset times shown below are for Agana.


Date Sunrise times Sunset times
Tuesday, 1st October 2019 06:10 18:11
Wednesday, 2nd October 2019 06:10 18:11
Thursday, 3rd October 2019 06:10 18:10
Friday, 4th October 2019 06:10 18:09
Saturday, 5th October 2019 06:11 18:08
Sunday, 6th October 2019 06:11 18:08
Monday, 7th October 2019 06:11 18:07
Tuesday, 8th October 2019 06:11 18:06
Wednesday, 9th October 2019 06:11 18:06
Thursday, 10th October 2019 06:11 18:05
Friday, 11th October 2019 06:11 18:05
Saturday, 12th October 2019 06:11 18:04
Sunday, 13th October 2019 06:11 18:03
Monday, 14th October 2019 06:11 18:03
Tuesday, 15th October 2019 06:11 18:02
Wednesday, 16th October 2019 06:12 18:02
Thursday, 17th October 2019 06:12 18:01
Friday, 18th October 2019 06:12 18:00
Saturday, 19th October 2019 06:12 18:00
Sunday, 20th October 2019 06:12 17:59
Monday, 21st October 2019 06:12 17:59
Tuesday, 22nd October 2019 06:13 17:58
Wednesday, 23rd October 2019 06:13 17:58
Thursday, 24th October 2019 06:13 17:57
Friday, 25th October 2019 06:13 17:57
Saturday, 26th October 2019 06:13 17:56
Sunday, 27th October 2019 06:14 17:56
Monday, 28th October 2019 06:14 17:56
Tuesday, 29th October 2019 06:14 17:55
Wednesday, 30th October 2019 06:14 17:55
Thursday, 31st October 2019 06:15 17:54
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