May weather forecast
Mulinu'u, Samoa

May

Weather in May

In Mulinu'u, May experiences a downward slope in maximum temperature reading 28.3°C (82.9°F), a hint at the introduction of cooler climes. However, the rainfall continues the pattern set in April, keeping the terrain hydrated abundantly. An increased cloud cover makes its presence felt along with a decrease in sunshine duration. The uniformity in the UV index calls for regular use of sunscreen for skin health, despite the cloud cover.

Temperature

The average high-temperature is a still moderately hot 28.3°C (82.9°F) in May, hardly different from the 28.7°C (83.7°F) recorded in April. Nighttime temperatures record an average of 27°C (80.6°F) throughout May.

Heat index

The heat index in May is estimated at a tropical 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Mulinu'u, during May, the rain falls for 22.5 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, there are 247.7 rainfall days, and 1482mm (58.35") of precipitation is accumulated.

Daylight

In Mulinu'u, the average length of the day in May is 11h and 28min.
On the first day of the month, sunrise is at 06:36 and sunset at 18:12. On the last day of May, sunrise is at 06:44 and sunset at 18:05 +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. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

How hot is May?
An average high-temperature, in May, in Mulinu'u, is 28.3°C (82.9°F) and the average low-temperature is 27°C (80.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is estimated at 32°C (89.6°F).
What is the average humidity in May?
In May, the average relative humidity is 77%.
How many days does it rain in May?
In Mulinu'u, 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 Mulinu'u have in May?
The average day length in May is 11h and 28min.
What time are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 06:36 and sunset at 18:12. On the last day of the month, sunrise is at 06:44 and sunset at 18:05 +13.
How long on average sun shines in May?
The average sunshine duration in May is 8h.
What is the month with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index intensity in May?
In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Mulinu
Average temperature in May
Mulinu'u, 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 - Mulinu
Average pressure in May
Mulinu'u, 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 - Mulinu
Average wind speed in May
Mulinu'u, 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 - Mulinu
Average humidity in May
Mulinu'u, 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 - Mulinu
Average rainfall in May
Mulinu'u, Samoa
  • Average rainfall in May: 118mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is March (73mm).

Average rainfall days in May - Mulinu
Average rainfall days in May
Mulinu'u, Samoa
  • Average rainfall days in May: 22.5 days

The month with the highest number of rainy days is April (22.7 days).
The months with the least rainy days are February and November (18.8 days).

Average daylight in May / Average sunshine in May - Mulinu
Average daylight in May /
Average sunshine in May
Mulinu'u, Samoa
  • 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).

Average sunshine days in May - Mulinu
Average sunshine days in May
Mulinu'u, 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 - Mulinu
Average UV index in May
Mulinu'u, 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 - Mulinu
Average cloud cover in May
Mulinu'u, 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 - Mulinu
Average visibility in May
Mulinu'u, 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).

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