Pago Pago
American Samoa, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Pago Pago, AS

Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
May, the last month of the autumn, in Pago Pago, is another warm month, with average temperature varying between 81.5°F (27.5°C) and 83.3°F (28.5°C).

Temperature

In Pago Pago, American Samoa, the average high-temperature is almost the same as in April - a still warm 83.3°F (28.5°C). In Pago Pago, American Samoa, in May, the average low-temperature is 81.5°F (27.5°C).

Heat index

The average heat index is estimated at a hot 91°F (32.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

In May, the average relative humidity is 77%.

Rainfall

In Pago Pago, American Samoa, during May, the rain falls for 24.4 days and regularly aggregates up to 4.84" (123mm) of precipitation. In Pago Pago, during the entire year, the rain falls for 280 days and collects up to 49.96" (1269mm) of precipitation.

Ocean temperature

In Pago Pago, the average water temperature is 84.6°F (29.2°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 May, the average length of the day in Pago Pago is 11.4h.

Sunshine

In Pago Pago, the average sunshine is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. Months with the lowest UV index in Pago Pago are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Pago Pago?

In May, in Pago Pago, American Samoa, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 81.5°F (27.5°C). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is evaluated at 91°F (32.8°C).

What is the average humidity in May in Pago Pago?

In Pago Pago, the average relative humidity in May is 77%.

How much does it rain in Pago Pago in May?

In Pago Pago, in May, it is raining for 24.4 days, with typically 4.84" (123mm) of accumulated precipitation.

What is the water temperature in May in Pago Pago?

In Pago Pago, American Samoa, in May, the average water temperature is 84.6°F (29.2°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 Pago Pago?

In May, the average length of the day is 11.4h.

How long on average sun shines in May in Pago Pago?

The average sunshine in May in Pago Pago is 7.9h.

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

January through December, with an average maximum UV index of 7, are months with the highest UV index in Pago Pago.

When is the lowest UV index in Pago Pago?

Months with the lowest UV index in Pago Pago, American Samoa, are January through December, with an average maximum UV index of 7.

How high is the UV index in May in Pago Pago?

In May, the average daily maximum UV index in Pago Pago is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in May - Pago Pago, AS
  • Average high temperature in May: 28.5°C

The warmest month (with the highest average high temperature) is April (28.9°C).
The month with the lowest average high temperature is August (27.3°C).

  • Average low temperature in May: 27.5°C

The month with the highest average low temperature is March (28°C).
Coldest months (with the lowest average low temperature) are July, August and September (26.3°C).

Average humidity in May - Pago Pago, AS
  • Average humidity in May: 77%

Months with the highest relative humidity are June, July, August, September and October (78%).
The month with the lowest relative humidity is March (75%).

Average rainfall in May - Pago Pago, AS
  • Average rainfall in May: 123mm

The wettest month (with the highest rainfall) is January (173mm).
The driest month (with the lowest rainfall) is September (45mm).

Average rainfall days in May - Pago Pago, AS
  • Average rainfall days in May: 24.4 days

The month with the highest number of rainy days is March (26.1 days).
The month with the lowest number of rainy days is September (20 days).

Average sea temperature in May - Pago Pago, AS
  • Average sea temperature in May: 29.2°C

The best month for swimming (with the highest average sea temperature) is March (29.7°C).
Coldest months (with the lowest average sea temperature) are August and September (27.8°C).

Average daylight in May / Average sunshine in May - Pago Pago, AS
  • Average daylight in May: 11.4h

The month with the longest days is December (Average daylight: 13h).
The month with shortest days is June (Average daylight: 11.3h).

  • Average sunshine in May: 7.9h

The month with most sunshine is December (Average sunshine: 9.7h).
The month with least sunshine is July (Average sunshine: 7.2h).

Average UV index in May - Pago Pago, AS
  • Average UV index in May: 7

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