May weather forecastSapapali'i, Samoa

May

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

With the start of May, Sapapali'i measures an average high-temperature of a still warm 28.3°C (82.9°F), not significantly differing from April's 28.7°C (83.7°F). May nights document an average temperature reading of 27°C (80.6°F).

Heat index

The heat index value during May is computed to be a tropical 32°C (89.6°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. 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 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In May, the average relative humidity in Sapapali'i is 77%.

Rainfall

In Sapapali'i, in May, it is raining for 22.5 days, with typically 118mm (4.65") of accumulated precipitation. In Sapapali'i, during the entire year, the rain falls for 246.7 days and collects up to 1451mm (57.13") of precipitation.

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, sunrise is at 06:45 and sunset at 18:07 +13.

Sunshine

In May, the average sunshine is 8h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Sapapali'i. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Jun 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Sapapali'i, is 28.3°C (82.9°F), while the low-temperature averages to 27°C (80.6°F). 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 May is computed to be 32°C (89.6°F).

In May, the average relative humidity is 77%.

In May, the rain falls for 22.5 days. Throughout May, 118mm (4.65") of precipitation is accumulated.

The average day length in May is 11h and 29min.

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.

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

The months with the highest UV index 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 May, the average daily maximum UV index in Sapapali'i is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

28.7°C

28.3°C

27.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.8km/h

19.2km/h

24.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.3

3.8

2.7

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Sapapali'i, Samoa

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).

Average pressure in May
Sapapali'i, Samoa

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).

Average wind speed in May
Sapapali'i, Samoa

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).

Average humidity in May
Sapapali'i, Samoa

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%).

Average rainfall in May
Sapapali'i, Samoa

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).

Average rainfall days in May
Sapapali'i, Samoa

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).

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

Average daylight in May: 11h and 30min

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).

Average sunshine days in May
Sapapali'i, Samoa

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).

Average UV index in May
Sapapali'i, Samoa

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).

Average cloud cover in May
Sapapali'i, Samoa

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).

Average visibility in May
Sapapali'i, Samoa

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).