Guam weather in July 2019

  • 31°C maximum daytime temperature in July in Guam (Agana)31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in July in Guam (Agana)19
    19 days with some rainfall
  • 25°C minimum night-time temperature in July in Guam (Agana)25
    25°C min night temperature
  • 13 hours of daylight per day in July in Guam (Agana)13
    13 hours of daylight per day
  • Very high heat & humidity in July in Guam (Agana)VH
    Very High heat & humidity
  • 273 mm monthly rainfall in July in Guam (Agana)273
    273 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Guam (Agana)11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Guam (Agana)29
    29°C sea temperature

Going to Guam? Find the best month to visit Guam based on the weather.

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Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Guam in July. Check more long-term weather averages for Guam in July before you book your next holiday to Guam in 2019/2020. The July weather averages shown above are for Agana.

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More about Guam

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The July 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 July

The average maximum daytime temperature in Guam in July 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 41% of the 13 hours of daylight.

Expect 273mm (10.7 inches) of rainfall across the whole of July with 19 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 July is 29°C (84°F).

The weather in Guam in July is represented by Agana.

Guam sunrise & sunset times for July 2019

Browse the sunrise & sunset times for Guam in July 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
Monday, 1st July 2019 05:57 18:52
Tuesday, 2nd July 2019 05:58 18:52
Wednesday, 3rd July 2019 05:58 18:52
Thursday, 4th July 2019 05:58 18:52
Friday, 5th July 2019 05:59 18:52
Saturday, 6th July 2019 05:59 18:52
Sunday, 7th July 2019 05:59 18:53
Monday, 8th July 2019 05:59 18:53
Tuesday, 9th July 2019 06:00 18:53
Wednesday, 10th July 2019 06:00 18:53
Thursday, 11th July 2019 06:00 18:53
Friday, 12th July 2019 06:01 18:53
Saturday, 13th July 2019 06:01 18:53
Sunday, 14th July 2019 06:01 18:52
Monday, 15th July 2019 06:01 18:52
Tuesday, 16th July 2019 06:02 18:52
Wednesday, 17th July 2019 06:02 18:52
Thursday, 18th July 2019 06:02 18:52
Friday, 19th July 2019 06:03 18:52
Saturday, 20th July 2019 06:03 18:52
Sunday, 21st July 2019 06:03 18:52
Monday, 22nd July 2019 06:03 18:51
Tuesday, 23rd July 2019 06:04 18:51
Wednesday, 24th July 2019 06:04 18:51
Thursday, 25th July 2019 06:04 18:51
Friday, 26th July 2019 06:04 18:51
Saturday, 27th July 2019 06:05 18:50
Sunday, 28th July 2019 06:05 18:50
Monday, 29th July 2019 06:05 18:50
Tuesday, 30th July 2019 06:05 18:50
Wednesday, 31st July 2019 06:06 18:49
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