August weather forecastMaunabo, PR
August
Weather in August
August in Maunabo arrives with minor changes, as the weather hovers at the peak of the summer season. The sunlight hours start reducing gradually, but there’s still plenty of time for fun at the beach. August experiences the highest rainfall for the year in Maunabo, with an average of 3.82in, offering a refreshing setting in the heart of summer. Despite the increase in precipitation, the weather remains pleasant, ensuring that daily routines and tourism activities proceed undisrupted.Temperature
The month of August sees the highest average temperatures, reaching 84.7°F (29.3°C) at the peak and 78.3°F (25.7°C) at the low.Heat index
The heat index in August is computed to be a sweltering 96.8°F (36°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in August is 80%.Rainfall
August is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.82" (97mm) of precipitation.Daylight
In August, the average length of the day in Maunabo is 12h and 43min.On the first day of August in Maunabo, sunrise is at 6:02 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:38 pm AST.
Sunshine
In August, the average sunshine is 8.6h.UV index
The months with the highest UV index are May through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: During August, 7 as the daily maximum UV index converts into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Maunabo, PR
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The months with the lowest average high temperature are January and February (79.9°F).
- Average low temperature in August: 78.3°F
The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is March (73°F).
Average pressure in August
Maunabo, PR
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January, February, June and July (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in August
Maunabo, PR
- Average wind speed in August: 9.1mph
The windiest month (with the highest average wind speed) is July (9.7mph).
The calmest month (with the lowest average wind speed) is October (6.8mph).
Average humidity in August
Maunabo, PR
- Average humidity in August: 80%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in August
Maunabo, PR
- Average rainfall in August: 3.82"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Maunabo, PR
- Average rainfall days in August: 22.3 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (12.8 days).
Average daylight in August /
Average sunshine in August
Maunabo, PR
- Average daylight in August: 12h and 42min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in August: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in August
Maunabo, PR
- Average sunshine days in August: 5 days
The month with the most sunshine days is January (15.5 days).
The month with the least sunshine days is May (3.6 days).
Average UV index in August
Maunabo, PR
- Average UV index in August: 7
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover in August
Maunabo, PR
- Average cloud cover in August: 40
The month with the most cloud cover is May (Cloud cover 42).
The months with the least cloud cover are February and September (Cloud cover 34).
Average visibility in August
Maunabo, PR
- Average visibility in August: 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).





