Agana weather in August 2019

  • 31°C maximum daytime temperature in August in Agana31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in August in Agana20
    20 days with some rainfall
  • 25°C minimum night-time temperature in August in Agana25
    25°C min night temperature
  • 13 hours of daylight per day in August in Agana13
    13 hours of daylight per day
  • Very high heat & humidity in August in AganaVH
    Very High heat & humidity
  • 363 mm monthly rainfall in August in Agana363
    363 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Agana11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Agana29
    29°C sea temperature
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The August weather guide for Agana, 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.

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

Guide to Agana weather in August

The average maximum daytime temperature in Agana in August 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 5 hours of bright sunshine each day, which represents 37% of the 13 hours of daylight.

Expect 363mm (14.3 inches) of rainfall across the whole of August with 20 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 Agana in August is 29°C (84°F).

Agana sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Agana in August 2019. Select a month to view Agana sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:06 18:49
Friday, 16th August 2019 06:08 18:42
Saturday, 31st August 2019 06:10 18:33
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