March weather forecast
Hagåtña, GU

Weather in March

The first month of the spring, March, is still a warm month in Hagåtña, Guam, with temperature in the range of an average low of 80.1°F (26.7°C) and an average high of 82°F (27.8°C).

Temperature

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

Heat index

The average heat index in March is estimated at a hot 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like metabolic differences, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

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

Rainfall

The month with the least rainfall 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

In March, the average length of the day in Hagåtña, Guam, is 12h and 4min.
On the first day of March, sunrise is at 6:37 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:32 pm ChST.

Sunshine

The average sunshine in March is 8.1h.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in March interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in March in Hagåtña?

In Hagåtña, in March, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 80.1°F (26.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in March is estimated at 87.8°F (31°C).

What are the most humid months in Hagåtña?

The months with the highest humidity 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 March, the average relative humidity in Hagåtña, Guam, is 78%.

What is the driest month in Hagåtña?

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.

How much does it rain in Hagåtña in March?

In Hagåtña, in March, it is raining for 20.2 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the water temperature in March in Hagåtña?

In March, the average ocean temperature is 82.6°F (28.1°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

In March, the average day length in Hagåtña, Guam, is 12h and 4min.

When are sunrise and sunset in March in Hagåtña?

On the first day of March in Hagåtña, sunrise is at 6:37 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:32 pm ChST.

How long on average sun shines in March in Hagåtña?

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

When is the highest UV index in Hagåtña?

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

How high is the UV index in March in Hagåtña?

In March, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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 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%

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 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

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 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: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 55min).
The month with the shortest days is December (Average daylight: 11h and 21min).

  • Average sunshine in March: 8h and 6min

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 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

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 March
Hagåtña, GU

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

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 March
Hagåtña, GU

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