April weather forecast and climate
Apia, Samoa

April, like March, in Apia, Samoa, is another warm autumn month, with average temperature fluctuating between 28.7°C (83.7°F) and 27.5°C (81.5°F).

Temperature

March and April, with an average high-temperature of 28.7°C (83.7°F), are the warmest months.

Heat index

The average heat index in April is calculated to a hot 33.1°C (91.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'real feel', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, differences in body mass, height, and shape). 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 especially crucial for babies and toddlers. 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, Samoa, the average relative humidity is 76%.

Rainfall

In Apia, it is raining for 22.7 days, with typically 124mm (4.88") of accumulated precipitation. Throughout the year, there are 246.7 rainfall days, and 1451mm (57.13") of precipitation is accumulated.

Sea temperature

In Apia, in April, the average water temperature is 29.5°C (85.1°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 Apia, the average length of the day is 11.8h.

Sunshine

The average sunshine is 8.4h.

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 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 the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.