When is the best time to go to Guam (Marianas)?

When is the best time to go to Guam (Marianas)? Here's some information to help you in your decision:

  • The best months for good weather in Guam (Marianas) are January, February, March, April, May and December
  • On average, it is hot all year round
  • The rainiest months are July, August, September and October
  • The sea temperature is suitable for swimming all year round


Annual weather in Guam (Marianas)

For full information about the climate and weather in Guam (Marianas) a specific month, click on the corresponding line below:

January 83°F/83°F
5.6in
February 81°F/83°F
3.8in
March 81°F/83°F
4.2in
April 83°F/85°F
5.5in
May 85°F/85°F
7in
June 85°F/86°F
9in
July 85°F/86°F
17.6in
August 85°F/86°F
19.8in
September 85°F/86°F
20.8in
October 85°F/86°F
18.3in
November 85°F/86°F
9.8in
December 83°F/85°F
5.9in


Weather and climate in Guam (Marianas)

Guam (Marianas) enjoys an equatorial (or tropical rainforest) climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Guam (Marianas) is 85°F (ranging from 83°F in february to 86°F in september). Annual rainfall is 126.9in, with a minimum of 3.8in in february and a maximum of 20.8in in september.
  • Between january and april the climate is favorable. By early evening, the temperature averages 83°F and, in april, 7 days of rain are expected.
  • In may the climate is correct. the thermometer goes up to 85°F°C.
  • In june the climate is bad. It is for example 86°F as maximum temperature in june and it rains about 9in each month.
  • Between july and october the climate is the worst possible. It is for example 86°F as maximum temperature in october and, in october, 21 days of rain are expected.
  • In november the climate is just OK. The record temperature this month is 90°F and, in november, 13 days of rain are expected.
  • In december the climate is good. the thermometer goes up to 85°F°C.

Guam 
 (Marianas) : Tachogna Beach, Tinian, Îles Mariannes du Nord



Charts: temperature and rainfall in Guam (Marianas)

In the charts below, you can see the following seasonal norms for the city of Guam (Marianas): the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity



Other cities and places near Guam (Marianas)

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Legend: Guam (Marianas) other locations

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