Agana, GUAM and its best beaches
Climate - Temperatures and rainfall - Mer des Philippines
Agana: Temperatures during the day, at night, rain and bathing conditions
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January Day temperature  81°F / 27°C |
Night temp.  79°F / 26°C |
Bathing temperature  83°F / 28°C |
Rain  099 mm |
Conditions  
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February Day temperature 81°F / 27°C |
Night temp. 79°F / 26°C |
Bathing temperature 81°F / 27°C |
Rain 071 mm |
Conditions 
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March Day temperature 81°F / 27°C |
Night temp. 79°F / 26°C |
Bathing temperature 83°F / 28°C |
Rain 043 mm |
Conditions
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April Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 81°F / 27°C |
Rain 061 mm |
Conditions  
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May Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 83°F / 28°C |
Rain 079 mm |
Conditions
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June Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 81°F / 27°C |
Rain 089 mm |
Conditions
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July Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 83°F / 28°C |
Rain 198 mm |
Conditions
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August Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 85°F / 29°C |
Rain 312 mm |
Conditions 
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September Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 85°F / 29°C |
Rain 335 mm |
Conditions
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October Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 85°F / 29°C |
Rain 333 mm |
Conditions
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November Day temperature 83°F / 28°C |
Night temp. 81°F / 27°C |
Bathing temperature 83°F / 28°C |
Rain 259 mm |
Conditions
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December Day temperature 81°F / 27°C |
Night temp. 81°F / 27°C |
Bathing temperature 81°F / 27°C |
Rain 140 mm |
Non-ideal conditions
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Guam : climate and when to go to Agana
The climate of Guam is a pleasantly warm tropical climate all year round. The average annual and constant temperature is 82°F as the temperature of the bathing water.
The coolest and least humid months (everything is relative), marked by the trade winds of the west, go from December to February. Although the warmest months go from March to August, refreshing trade winds blow regularly.
There are two seasons, the dry season, called "fanumnangan", begins in December and ends in June. The rainy season, called "fanuchanan", begins in July and ends in November.
Typhoons can strike Guam from July to mid-November and can sometimes cause heavy damage and flooding. However, this is rare because the typhoon roads are usually very far to the west to reach Guam.
We recommend light cotton clothing throughout the year, with an umbrella or a raincoat for sudden heavy showers. No matter where you go, be prepared for high temperatures and humidity.
| January Acceptable |
February Fine |
March Fine |
April Pecfect |
May Pecfect |
June Acceptable |
July Risky |
August Avoid |
September Avoid |
October Avoid |
November Avoid |
December Risky |
When to go? The hottest month for the beach, lazing around and swimming is August. Check the precipitations because heavy showers may occur, otherwise other periods are possible. The coolest month is February, if you can not stand the heat too much. The driest month of the year is March, if you do not like the rain at all.
Click on
Agana to display its climate.
Graphs and temperature curves with average precipitation over the year
Precipitation, rainfall, cyclone: GUAM
Temperatures of bathing water around Agana
Landmarks
Perfect conditions to enjoy the beach. Favorable conditions for enjoying the beach. Cloudy with sunny spells and thunderstorms. Very strong tropical or monsoon rains.
Months at risk of cyclones with alerts level 1 to 5. Nice swimming at more than 26°C / 79°F. Everything is perfect for traveling.No cyclone risk for this country
Mer des Philippines
Climate October 2023
Agana sunshine in summer and winter
The sun at its zenith, that means well perpendicular to the surface of the Earth, sending 100% of radiation and heat. Agana receives in winter (january), 79% of sun power and 98% during summer time (july).
The average temperature and sunshine deviations between summer and winter are 19%. This small gap means that the temperature at sea does not really vary and that the sea remains warm enough in summer and winter. The air is also hot all year round without great thermal amplitude.
Average temperatures and rainfall for a stay in October
On the left, the averages observed every month of October on the Guam beaches. The trends for next month are, the same daytime average temperatures, a bathing water in Mer des Philippines which loses degrees, less rainfall with nights as temperate as this month.
Sunset and sunrise times for GUAM
Local time : October 2023, Monday 02, 03:33 PM
Sunrise time : 06:12 am, point A
Sunset time : 6:08 pm, point B
Duration of daylight : 11:56 / 24:00
Jet lag : GMT+10
The average monthly UV index of GUAM
What is the period of mosquitoes virulence over the year?
Weather forecast for Agana
Here are the current 5-day forecasts for Guam / Agana. Temperatures are spaced 3 hours apart for each day. The summary of the state of the sky gives the trend of the week. The sea temperature at is a monthly average. In lagoons or seashores where the bathing water is shallow, you can add some degrees.
Tuesday
October 03, 2023
8 am
82.9°F
29°C
Light rain
Humidity 79%
Sea 85°F/29°C
Tuesday
October 03, 2023
11 am
82.4°F
29°C
Light rain
Humidity 80%
Sea 85°F/29°C
Tuesday
October 03, 2023
2 pm
82.2°F
28°C
Light rain
Humidity 81%
Sea 85°F/29°C
Tuesday
October 03, 2023
5 pm
80.9°F
28°C
Light rain
Humidity 83%
Sea 85°F/29°C
Tuesday
October 03, 2023
8 pm
80.7°F
28°C
Moderate rain
Humidity 81%
Sea 85°F/29°C
Tuesday
October 03, 2023
11 pm
80.6°F
27°C
Light rain
Humidity 83%
Sea 85°F/29°C
Wednesday
October 04, 2023
8 am
82.1°F
28°C
Light rain
Humidity 79%
Sea 85°F/29°C
Wednesday
October 04, 2023
11 am
80.7°F
28°C
Light rain
Humidity 80%
Sea 85°F/29°C
Wednesday
October 04, 2023
2 pm
79.9°F
27°C
Light rain
Humidity 82%
Sea 85°F/29°C
Wednesday
October 04, 2023
5 pm
79.3°F
27°C
Light rain
Humidity 82%
Sea 85°F/29°C
Wednesday
October 04, 2023
8 pm
79.7°F
27°C
Light rain
Humidity 79%
Sea 85°F/29°C
Wednesday
October 04, 2023
11 pm
80.3°F
27°C
Light rain
Humidity 78%
Sea 85°F/29°C
Thrusday
October 05, 2023
8 am
82.1°F
28°C
Light rain
Humidity 73%
Sea 85°F/29°C
Thrusday
October 05, 2023
11 am
80.2°F
27°C
Light rain
Humidity 78%
Sea 85°F/29°C
Thrusday
October 05, 2023
2 pm
80.1°F
27°C
Light rain
Humidity 78%
Sea 85°F/29°C
Thrusday
October 05, 2023
5 pm
78.6°F
26°C
Light rain
Humidity 84%
Sea 85°F/29°C
Thrusday
October 05, 2023
8 pm
78.8°F
26°C
Broken clouds
Humidity 83%
Sea 85°F/29°C
Thrusday
October 05, 2023
11 pm
79.1°F
27°C
Light rain
Humidity 84%
Sea 85°F/29°C
Friday
October 06, 2023
8 am
80.7°F
28°C
Moderate rain
Humidity 79%
Sea 85°F/29°C
Friday
October 06, 2023
11 am
78.6°F
26°C
Light rain
Humidity 83%
Sea 85°F/29°C
Friday
October 06, 2023
2 pm
78.6°F
26°C
Moderate rain
Humidity 84%
Sea 85°F/29°C
Friday
October 06, 2023
5 pm
78.6°F
26°C
Moderate rain
Humidity 84%
Sea 85°F/29°C
Friday
October 06, 2023
8 pm
78.4°F
26°C
Moderate rain
Humidity 82%
Sea 85°F/29°C
Friday
October 06, 2023
11 pm
77.2°F
26°C
Moderate rain
Humidity 89%
Sea 85°F/29°C
Saturday
October 07, 2023
8 am
79.9°F
27°C
Light rain
Humidity 78%
Sea 85°F/29°C
Saturday
October 07, 2023
11 am
80.9°F
28°C
Overcast clouds
Humidity 74%
Sea 85°F/29°C
Saturday
October 07, 2023
2 pm
80.9°F
28°C
Overcast clouds
Humidity 75%
Sea 85°F/29°C
Saturday
October 07, 2023
5 pm
80.5°F
27°C
Overcast clouds
Humidity 76%
Sea 85°F/29°C
Weather uncertainties 2023 to go to Agana ?
When traveling in the tropics as a seaside, rain is not welcome. If you see this indicator, with possible storms, that does not mean that it will rain all day long. When we observe the local rainfall, it is either really zero or very weak. Meteorologists prefer to be pessimistic. So observe below, the skies photographed during a week announced stormy in Asia. It did not rain once. I invite you to integrate this parameter before going to Agana for a good trip to the sun!
