May weather forecast
Agat, GU

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Weather in May

May is the start of warmer months in Agat, coupled with more extended periods of daylight. The temperature highs reach up to 84.2°F (29°C), making the atmosphere slightly more heated than the prior months. The arrival of summer marks a notable rise in rainfall with the May showers reaching 3.31" (84mm). While the relative humidity maintains consistency, the gusty winds of May render a cooling effect to its warm weather, allowing for comfortable exploration of its landscapes. Heading into June, the weather slightly intensifies in terms of both temperature and rainfall levels.

Temperature

The advent of May observes an average high-temperature of a still warm 84.2°F (29°C), nearly identical to April's 82.9°F (28.3°C). During May, Agat's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 82.2°F (27.9°C).

Heat index

In May, the average heat index is calculated to be a tropical 93.2°F (34°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.

Rainfall

In Agat, during May, the rain falls for 23.1 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Daylight

The average length of the day in May in Agat is 12h and 44min.
On the first day of the month, sunrise is at 6:00 am and sunset at 6:36 pm. On the last day of May, in Agat, sunrise is at 5:53 am and sunset at 6:44 pm ChST.

Sunshine

In Agat, the average sunshine in May is 10.5h.

UV index

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

How hot does it get in Agat in May?

The average high-temperature and low-temperature in Agat, Guam, during May are 84.2°F (29°C) and 82.2°F (27.9°C) respectively. In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the most humid month in Agat?

January, March through May, October through December, with an average relative humidity of 78%, are most humid months in Agat, Guam.

What is the average humidity in May in Agat?

In Agat, the average relative humidity in May is 78%.

How many days does it rain in May in Agat?

In Agat, Guam, in May, during 23.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

What is the average length of the day in May in Agat?

In Agat, the average day length in May is 12h and 44min.

When are sunrise and sunset in May in Agat?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 6:36 pm. On the last day of the month, in Agat, Guam, sunrise is at 5:53 am and sunset at 6:44 pm ChST.

How many hours of sunshine does Agat have in May?

In May, the average sunshine duration is 10.5h.

What are the months with the highest UV index in Agat?

The months with the highest UV index in Agat are January through August, October through December, with an average maximum UV index of 7.

How high is the UV index in May in Agat?

In Agat, Guam, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Agat, GU

Average temperature in May - Agat, GU
  • Average high temperature in May: 84.2°F

The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is February (81.7°F).

  • Average low temperature in May: 82.2°F

The month with the highest average low temperature is June (83.3°F).
The coldest month (with the lowest average low temperature) is February (79.7°F).

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Average pressure in May
Agat, GU

Average pressure in May - Agat, GU
  • Average pressure in May: 29.85"Hg

The month with the highest atmospheric pressure is February (29.88"Hg).
The months with the lowest atmospheric pressure are August, September and October (29.79"Hg).

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Average wind speed in May
Agat, GU

Average wind speed in May - Agat, GU
  • Average wind speed in May: 11.7mph

The windiest month (with the highest average wind speed) is February (16.3mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in May
Agat, GU

Average humidity in May - Agat, GU
  • Average humidity in May: 78%

The months with the highest relative humidity are January, March, April, May, October, November and December (78%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in May
Agat, GU

Average rainfall in May - Agat, GU
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is September (10.28").
The driest month (with the least rainfall) is March (1.81").

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Average rainfall days in May
Agat, GU

Average rainfall days in May - Agat, GU
  • Average rainfall days in May: 23.1 days

The months with the highest number of rainy days are July and August (28.9 days).
The month with the least rainy days is February (17.5 days).

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Average daylight in May /
Average sunshine in May
Agat, GU

Average daylight in May / Average sunshine in May - Agat, GU
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).

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Average sunshine days in May
Agat, GU

Average sunshine days in May - Agat, GU
  • Average sunshine days in May: 4.3 days

The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is September (1.1 days).

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Average UV index in May
Agat, GU

Average UV index in May - Agat, GU
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
The month with the lowest UV index is September (UV index 6).

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Average cloud cover in May
Agat, GU

Average cloud cover in May - Agat, GU
  • Average cloud cover in May: 39

The months with the most cloud cover are January, August and October (Cloud cover 46).
The months with the least cloud cover are May and June (Cloud cover 39).

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Average visibility in May
Agat, GU

Average visibility in May - Agat, GU
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Agat, Guam, USA

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