April weather forecastPago Pago, AS

April
Weather in April
April in Pago showcases a blend of weather conditions. While the average high temperature remains consistent, the low temperature shows a slight dip compared with March. The most significant climatic feature in April is an increased amount of rainfall at 4.69" (119mm). April also marks a decrease in daylight hours. Despite the mixed weather conditions, the sea temperature stays warm, appealing to beach lovers.Temperature
With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 82°F (27.8°C), April is the warmest month.Heat index
The heat index value during April is appraised at a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In April, the average relative humidity is 76%.Rainfall
In Pago, during April, the rain falls for 26 days and regularly aggregates up to 4.69" (119mm) of precipitation. Throughout the year, there are 280 rainfall days, and 49.96" (1269mm) of precipitation is accumulated.Ocean temperature
In Pago, the average seawater temperature in April is 84.9°F (29.4°C).Note: Between the temperatures of 77°F (25°C) and 84.2°F (29°C), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.
Daylight
In Pago, the average length of the day in April is 11h and 46min.On the first day of the month, sunrise is at 6:28 am and sunset at 6:24 pm. On the last day of April, in Pago, American Samoa, sunrise is at 6:32 am and sunset at 6:07 pm SST.
Sunshine
In April, the average sunshine is 8.2h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 in April translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Pago Pago, AS
- Average high temperature in April: 84°F
The warmest month (with the highest average high temperature) is April (84°F).
The month with the lowest average high temperature is August (81.1°F).
- Average low temperature in April: 82°F
The month with the highest average low temperature is March (82.4°F).
The coldest months (with the lowest average low temperature) are July, August and September (79.3°F).
Average pressure in April
Pago Pago, AS
- Average pressure in April: 29.84"Hg
The month with the highest atmospheric pressure is September (29.91"Hg).
The month with the lowest atmospheric pressure is January (29.75"Hg).
Average wind speed in April
Pago Pago, AS
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is July (15.6mph).
The calmest month (with the lowest average wind speed) is March (8.6mph).
Average humidity in April
Pago Pago, AS
- Average humidity in April: 76%
The months with the highest relative humidity are June, July, August, September and October (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in April
Pago Pago, AS
- Average rainfall in April: 4.69"
The wettest month (with the highest rainfall) is January (6.81").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Pago Pago, AS
- Average rainfall days in April: 26 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is September (20 days).
Average sea temperature in April
Pago Pago, AS
- Average sea temperature in April: 84.9°F
The best month for swimming (with the highest average sea temperature) is March (85.4°F).
The coldest months (with the lowest average sea temperature) are August and September (82°F).
Average daylight in April /
Average sunshine in April
Pago Pago, AS
- Average daylight in April: 11h and 48min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).
Average sunshine days in April
Pago Pago, AS
- Average sunshine days in April: 2.3 days
The month with the most sunshine days is September (6.1 days).
The month with the least sunshine days is April (2.3 days).
Average UV index in April
Pago Pago, AS
- Average UV index in April: 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 April
Pago Pago, AS
- Average cloud cover in April: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 40).
Average visibility in April
Pago Pago, AS
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





