Weather in Agana in August 2018

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Agana in August. Check more long-term weather averages for Agana in August before you book your next holiday to Guam in 2018.

Key weather averages for Agana in August

  • 31°C maximum daytime temperature in August in Agana31
    31°C max day temperature
  • 5 hours of sunshine per day (37% of daylight hours) in August in Agana5
    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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

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

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More about Agana

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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).

The weather in Agana in August is represented by Agana.

Agana sunrise & sunset times for August 2018

Browse the sunrise & sunset times for Agana in August 2018. Select a month to view Agana sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st August 2018 06:06 18:49
Thursday, 2nd August 2018 06:06 18:49
Friday, 3rd August 2018 06:06 18:48
Saturday, 4th August 2018 06:06 18:48
Sunday, 5th August 2018 06:07 18:47
Monday, 6th August 2018 06:07 18:47
Tuesday, 7th August 2018 06:07 18:47
Wednesday, 8th August 2018 06:07 18:46
Thursday, 9th August 2018 06:07 18:46
Friday, 10th August 2018 06:07 18:45
Saturday, 11th August 2018 06:08 18:45
Sunday, 12th August 2018 06:08 18:44
Monday, 13th August 2018 06:08 18:44
Tuesday, 14th August 2018 06:08 18:43
Wednesday, 15th August 2018 06:08 18:43
Thursday, 16th August 2018 06:08 18:42
Friday, 17th August 2018 06:08 18:42
Saturday, 18th August 2018 06:09 18:41
Sunday, 19th August 2018 06:09 18:41
Monday, 20th August 2018 06:09 18:40
Tuesday, 21st August 2018 06:09 18:39
Wednesday, 22nd August 2018 06:09 18:39
Thursday, 23rd August 2018 06:09 18:38
Friday, 24th August 2018 06:09 18:38
Saturday, 25th August 2018 06:09 18:37
Sunday, 26th August 2018 06:09 18:36
Monday, 27th August 2018 06:09 18:36
Tuesday, 28th August 2018 06:09 18:35
Wednesday, 29th August 2018 06:09 18:34
Thursday, 30th August 2018 06:10 18:34
Friday, 31st August 2018 06:10 18:33
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Agana weather by month

Check Agana weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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