May weather forecast
Santa Rita, GU

Weather in May

The last month of the spring, May, is also a moderately hot month in Santa Rita, Guam, with an average temperature ranging between min 82.2°F (27.9°C) and max 84.2°F (29°C).

Temperature

In May, the average high-temperature is relatively the same as in April - a still warm 84.2°F (29°C). In Santa Rita, the average low-temperature is 82.2°F (27.9°C).

Heat index

The average heat index in May is appraised at a tropical 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With 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', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, differences in body mass, height, and shape, metabolic differences), and activity. 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 particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Santa Rita, in May, during 23.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Ocean temperature

In Santa Rita, in May, the average water temperature is 84°F (28.9°C).
Note: 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.

Daylight

In Santa Rita, the average length of the day in May is 12h and 45min.
On the first day of May, sunrise is at 6:00 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:44 pm ChST.

Sunshine

In May, the average sunshine is 10.5h.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Santa Rita. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 May in Santa Rita?

The average high-temperature, in May, is 84.2°F (29°C), while the average low-temperature is 82.2°F (27.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in May is appraised at 93.7°F (34.3°C).

What is the most humid month in Santa Rita?

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

What is the average humidity in May in Santa Rita?

The average relative humidity in May is 78%.

How much does it rain in Santa Rita in May?

In Santa Rita, Guam, during May, the rain falls for 23.1 days and regularly aggregates up to 3.31" (84mm) of precipitation.

How warm is the water in May in Santa Rita?

In Santa Rita, Guam, in May, the average water temperature is 84°F (28.9°C). 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.

What is the average length of the day in May in Santa Rita?

The average day length in May in Santa Rita, Guam, is 12h and 45min.

When are sunrise and sunset in May in Santa Rita?

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, sunrise is at 5:53 am and sunset at 6:44 pm ChST.

How long on average sun shines in May in Santa Rita?

In Santa Rita, Guam, the average sunshine duration in May is 10.5h.

When is the highest UV index in Santa Rita?

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

How high is the UV index in May in Santa Rita?

In May, the average daily maximum UV index in Santa Rita is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in May
Santa Rita, GU

Average temperature in May - Santa Rita, 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
Santa Rita, GU

Average pressure in May - Santa Rita, 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
Santa Rita, GU

Average wind speed in May - Santa Rita, 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
Santa Rita, GU

Average humidity in May - Santa Rita, 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
Santa Rita, GU

Average rainfall in May - Santa Rita, 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
Santa Rita, GU

Average rainfall days in May - Santa Rita, 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 sea temperature in May
Santa Rita, GU

Average sea temperature in May - Santa Rita, GU
  • Average sea temperature in May: 84°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 May /
Average sunshine in May
Santa Rita, GU

Average daylight in May / Average sunshine in May - Santa Rita, GU
  • Average daylight in May: 12h and 45min

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 22min).

  • Average sunshine in May: 10h and 30min

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
Santa Rita, GU

Average sunshine days in May - Santa Rita, 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
Santa Rita, GU

Average UV index in May - Santa Rita, 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
Santa Rita, GU

Average cloud cover in May - Santa Rita, 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
Santa Rita, GU

Average visibility in May - Santa Rita, 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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