March weather forecast
Santa Rita, GU

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Weather in March

The transition from February to March, is subtle, with only slight variations in weather elements. The landscape starts to dry out a bit more, with declining rainfall yet again. Sea temperatures mildly rise and maintain their inviting tendency. Weather remains consistently warm, with the mercury stretching from 80.1°F (26.7°C) to 82°F (27.8°C). The brightness of the days continues to rise, casting long sunlit hours for outdoor aficionados.

Temperature

The introduction of March sees an average high-temperature of a still moderately hot 82°F (27.8°C), hardly deviating from February. Nighttime temperatures record an average of 80.1°F (26.7°C) throughout March.

Heat index

For most parts of March, the heat index is calculated to be a hot 87.8°F (31°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

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

Rainfall

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

Ocean temperature

In Santa Rita, in March, the average water temperature is 82.6°F (28.1°C).
Note: Swimming, diving, and other activities in water temperatures between 77°F (25°C) and 84.2°F (29°C) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

In Santa Rita, the average length of the day in March 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

In March, the average sunshine is 8.1h.

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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In March, the UV index of 7 transforms into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete 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. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

Frequently asked questions

What are the temperatures in March?

In March, the average high-temperature and low-temperature in Santa Rita are 82°F (27.8°C) and 80.1°F (26.7°C) respectively. In March, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the most humid month?

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

What is the average humidity in March?

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

What is the driest month?

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

How much does it rain in March?

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

What is the ocean temperature in March?

In Santa Rita, Guam, the average seawater temperature in March 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 Santa Rita, the average day length in March is 12h and 4min.

When is the sunrise / sunset in March?

In March, on the first day of the month, 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 March, the average sunshine duration is 8.1h.

What is the month with the highest UV index in Santa Rita?

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

What is the UV index reading in March?

The average daily maximum UV index in March is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Santa Rita, GU

Average temperature in March - Santa Rita, 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).

Average pressure in March
Santa Rita, GU

Average pressure in March - Santa Rita, 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).

Average wind speed in March
Santa Rita, GU

Average wind speed in March - Santa Rita, 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).

Average humidity in March
Santa Rita, GU

Average humidity in March - Santa Rita, 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%).

Average rainfall in March
Santa Rita, GU

Average rainfall in March - Santa Rita, 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").

Average rainfall days in March
Santa Rita, GU

Average rainfall days in March - Santa Rita, 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).

Average sea temperature in March
Santa Rita, GU

Average sea temperature in March - Santa Rita, 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).

Average daylight in March /
Average sunshine in March
Santa Rita, GU

Average daylight in March / Average sunshine in March - Santa Rita, GU
  • Average daylight in March: 12h and 1min

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 March: 8h and 1min

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).

Average sunshine days in March
Santa Rita, GU

Average sunshine days in March - Santa Rita, 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).

Average UV index in March
Santa Rita, GU

Average UV index in March - Santa Rita, 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).

Average cloud cover in March
Santa Rita, GU

Average cloud cover in March - Santa Rita, 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).

Average visibility in March
Santa Rita, GU

Average visibility in March - Santa Rita, 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).

Santa Rita, Guam, USA

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