May weather forecast and climate
Apia, Samoa

The view of the large Methodist church in the town of Apia, Samoa
The view of the large Methodist church in the town of Apia, Samoa
May, the last month of the autumn, in Apia, is another warm month, with average temperature fluctuating between 27°C (80.6°F) and 28.3°C (82.9°F).

Temperature

In May, the average high-temperature is essentially the same as in April - a still moderately hot 28.3°C (82.9°F). In Apia, Samoa, in May, the average low-temperature is 27°C (80.6°F).

Heat index

The average heat index in May is appraised at a tropical 32.4°C (90.3°F). 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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, 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

In Apia, the average relative humidity is 77%.

Rainfall

In Apia, during 22.5 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Apia, during the entire year, the rain falls for 246.7 days and collects up to 1451mm (57.13") of precipitation.

Sea temperature

In Apia, the average water temperature is 29.3°C (84.7°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) 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 is 11.5h.

Sunshine

The average sunshine in Apia, Samoa, is 8h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. Months with the lowest UV index in Apia, Samoa, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Apia?

The average high-temperature, in May, is 28.3°C (82.9°F), while the average low-temperature is 27°C (80.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines both air temperature and relative humidity, in May is calculated to 32.4°C (90.3°F).

What is the average humidity in May in Apia?

The average relative humidity in May in Apia, Samoa, is 77%.

How much does it rain in Apia in May?

In Apia, in May, it is raining for 22.5 days, with typically 118mm (4.65") of accumulated precipitation.

How warm is the water in May in Apia?

In Apia, Samoa, the average seawater temperature in May is 29.3°C (84.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Apia have in May?

In May, the average length of the day in Apia, Samoa, is 11.5h.

How long on average sun shines in May in Apia?

In May, the average sunshine in Apia is 8h.

What is the month with the highest UV index in Apia?

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

What is the month with the lowest UV index in Apia?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Apia, Samoa.

How high is the UV index in May in Apia?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Apia, 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 - Apia, 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 - Apia, 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 - Apia, Samoa
  • Average humidity in May: 77%

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 - Apia, 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 - Apia, 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 sea temperature in May - Apia, Samoa
  • Average sea temperature in May: 29.3°C

The best month for swimming (with the highest average sea temperature) is March (29.7°C).
The coldest months (with the lowest average sea temperature) are August and September (27.9°C).

Average daylight in May / Average sunshine in May - Apia, Samoa
  • Average daylight in May: 11.5h

The month with the longest days is December (Average daylight: 12.9h).
The month with the shortest days is June (Average daylight: 11.3h).

  • Average sunshine in May: 8h

The month with the most sunshine is March (Average sunshine: 8.7h).
The month with the least sunshine is July (Average sunshine: 7.3h).

Average sunshine days in May - Apia, 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 - Apia, Samoa
  • 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).

Average cloud cover in May - Apia, 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 - Apia, Samoa
  • Average visibility in May: 10km

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