March weather forecast and climate
Hagåtña, GU

Weather in March

March, the first month of the spring, in Hagåtña, is also a moderately hot month, with average temperature ranging between max 82°F (27.8°C) and min 80.1°F (26.7°C).

Temperature

In March, the average high-temperature is practically the same as in February - a still warm 82°F (27.8°C). In March, in Hagåtña, Guam, the average low-temperature is 80.1°F (26.7°C).

Heat index

The average heat index is evaluated at a tropical 88.3°F (31.3°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, clothing, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

The month with the least rainfall in Hagåtña is March when the rain falls for 20.2 days and typically collects 1.81" (46mm) of precipitation.

Ocean temperature

In Hagåtña, the average water temperature is 82.6°F (28.1°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Hagåtña, Guam, is 12.1h.

Sunshine

In March, the average sunshine in Hagåtña, Guam, is 8.1h.

UV index

Months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in March in Hagåtña?

The average high-temperature, in March, is 82°F (27.8°C), while the average low-temperature is 80.1°F (26.7°C). In March, the average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, is calculated to 88.3°F (31.3°C).

What is the most humid month in Hagåtña?

Months with the highest humidity in Hagåtña, Guam, are January, March through May, October through December, with an average relative humidity of 78%.

What is the average humidity in March in Hagåtña?

In Hagåtña, the average relative humidity in March is 78%.

How many days does it rain in March in Hagåtña?

In Hagåtña, Guam, in March, during 20.2 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

What is the driest month in Hagåtña?

March is the month with the least rainfall in Hagåtña. Rain falls for 20.2 days and accumulates 1.81" (46mm) of precipitation.

What is the ocean temperature in March in Hagåtña?

In Hagåtña, in March, the average water temperature is 82.6°F (28.1°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in March in Hagåtña?

In March, the average length of the day in Hagåtña is 12.1h.

How long on average sun shines in March in Hagåtña?

In March, the average sunshine in Hagåtña, Guam, is 8.1h.

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

Months with the highest UV index in Hagåtña, Guam, are January through August, October through December, with an average maximum UV index of 7.

How high is the UV index in March in Hagåtña?

The average daily maximum UV index in March is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.

Average temperature in March
Hagåtña, GU

Average temperature in March - Hagåtña, GU
  • Average high temperature in March: 82°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 March: 80.1°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 March
Hagåtña, GU

Average pressure in March - Hagåtña, GU
  • Average pressure in March: 29.87"

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

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Average wind speed in March
Hagåtña, GU

Average wind speed in March - Hagåtña, GU
  • Average wind speed in March: 15mph

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 March
Hagåtña, GU

Average humidity in March - Hagåtña, GU
  • Average humidity in March: 78%

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 March
Hagåtña, GU

Average rainfall in March - Hagåtña, GU
  • Average rainfall in March: 1.81"

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 March
Hagåtña, GU

Average rainfall days in March - Hagåtña, GU
  • Average rainfall days in March: 20.2 days

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 sea temperature in March
Hagåtña, GU

Average sea temperature in March - Hagåtña, GU
  • Average sea temperature in March: 82.6°F

The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).

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Average daylight in March /
Average sunshine in March
Hagåtña, GU

Average daylight in March / Average sunshine in March - Hagåtña, GU
  • Average daylight in March: 12.1h

The month with the longest days is June (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in March: 8.1h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is November (Average sunshine: 6.3h).

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Average sunshine days in March
Hagåtña, GU

Average sunshine days in March - Hagåtña, GU
  • Average sunshine days in March: 6.6 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 March
Hagåtña, GU

Average UV index in March - Hagåtña, GU
  • Average UV index in March: 7

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 March
Hagåtña, GU

Average cloud cover in March - Hagåtña, GU
  • Average cloud cover in March: 43

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

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Average visibility in March
Hagåtña, GU

Average visibility in March - Hagåtña, GU
  • Average visibility in March: 6mi

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

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