May weather forecast
Sapapali'i, Samoa

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Weather in May

Transitioning into May, Sapapali'i encounters minor variations in its weather conditions compared to April. Temperatures and rainfall both record a decrease, signaling the city's gradual movement towards a cooler climate. The month exhibits the highest pressure readings of 1011.1mb, adequately representing a calmer atmosphere. Advancing towards June, a few alterations take place as daily sunlight hours hit a yearly low.

Temperature

The shift into May in Sapapali'i reveals an average high-temperature of a still warm 28.3°C (82.9°F), closely mirroring April's climate. In May, a low-temperature average of 27°C (80.6°F) is characteristic of Sapapali'i, marking a minor shift from daytime temperatures.

Heat index

The heat index for May is evaluated at a tropical 32°C (89.6°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 22.5 days. Throughout May, 118mm (4.65") of precipitation is accumulated. Throughout the year, there are 246.7 rainfall days, and 1451mm (57.13") of precipitation is accumulated.

Daylight

In Sapapali'i, the average length of the day in May is 11h and 29min.
On the first day of the month, sunrise is at 06:37 and sunset at 18:13. On the last day of May, in Sapapali'i, sunrise is at 06:45 and sunset at 18:07 +13.

Sunshine

In May, the average sunshine in Sapapali'i, Samoa, is 8h.

UV index

The months with the highest UV index in Sapapali'i are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Sapapali'i. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, an average UV index of 7 transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

How hot does it get in Sapapali'i in May?

In May, the average high-temperature and low-temperature are 28.3°C (82.9°F) and 27°C (80.6°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in May is evaluated at 32°C (89.6°F).

What is the average humidity in May in Sapapali'i?

The average relative humidity in May in Sapapali'i, Samoa, is 77%.

How many days does it rain in May in Sapapali'i?

In Sapapali'i, Samoa, during May, the rain falls for 22.5 days and regularly aggregates up to 118mm (4.65") of precipitation.

How many hours of daylight does Sapapali'i have in May?

In Sapapali'i, the average day length in May is 11h and 29min.

What time are sunrise and sunset in May in Sapapali'i?

In May, on the first day of the month, sunrise is at 06:37 and sunset at 18:13. On the last day of the month, sunrise is at 06:45 and sunset at 18:07 +13.

How many hours of sunshine does Sapapali'i have in May?

In May, the average sunshine duration in Sapapali'i, Samoa, is 8h.

When is the highest UV index in Sapapali'i?

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

What is the month with the lowest UV index in Sapapali'i?

The months with the lowest UV index in Sapapali'i, Samoa, are January through December, with an average maximum UV index of 7.

How high is the UV index in May in Sapapali'i?

In May, the average daily maximum UV index in Sapapali'i is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in May
Sapapali'i, Samoa

Average temperature in May - Sapapali
  • Average high temperature in May: 28.3°C

The warmest months (with the highest average high temperature) are March and April (28.7°C).
The month with the lowest average high temperature is September (27.3°C).

  • Average low temperature in May: 27°C

The month with the highest average low temperature is January (27.6°C).
The coldest month (with the lowest average low temperature) is August (26°C).

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Average pressure in May
Sapapali'i, Samoa

Average pressure in May - Sapapali
  • Average pressure in May: 1011.1mbar

The month with the highest atmospheric pressure is September (1012.3mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).

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Average wind speed in May
Sapapali'i, Samoa

Average wind speed in May - Sapapali
  • Average wind speed in May: 18.4km/h

The windiest month (with the highest average wind speed) is July (24.7km/h).
The calmest month (with the lowest average wind speed) is March (14.8km/h).

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Average humidity in May
Sapapali'i, Samoa

Average humidity in May - Sapapali
  • Average humidity in May: 77%

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

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Average rainfall in May
Sapapali'i, Samoa

Average rainfall in May - Sapapali
  • Average rainfall in May: 118mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is September (57mm).

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Average rainfall days in May
Sapapali'i, Samoa

Average rainfall days in May - Sapapali
  • Average rainfall days in May: 22.5 days

The month with the highest number of rainy days is April (22.7 days).
The month with the least rainy days is September (18.7 days).

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Average daylight in May /
Average sunshine in May
Sapapali'i, Samoa

Average daylight in May / Average sunshine in May - Sapapali
  • Average daylight in May: 11h and 3min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is March (Average sunshine: 8h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

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Average sunshine days in May
Sapapali'i, Samoa

Average sunshine days in May - Sapapali
  • Average sunshine days in May: 3.8 days

The month with the most sunshine days is December (10.4 days).
The month with the least sunshine days is June (2.7 days).

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Average UV index in May
Sapapali'i, Samoa

Average UV index in May - Sapapali
  • Average UV index in May: 7

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

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Average cloud cover in May
Sapapali'i, Samoa

Average cloud cover in May - Sapapali
  • Average cloud cover in May: 43

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 38).

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Average visibility in May
Sapapali'i, Samoa

Average visibility in May - Sapapali
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Sapapali'i, Samoa

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