August weather forecast
Culebra, PR

Weather in August

The last month of the summer, August, is another warm month in Culebra, Puerto Rico, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 80.8°F (27.1°C).

Temperature

In Culebra, the average high-temperature in August is relatively the same as in July - a still warm 83.7°F (28.7°C). In August, the average low-temperature is 80.8°F (27.1°C).

Heat index

The average heat index in August is calculated to be a tropical 93.2°F (34°C). 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. With exposure to direct sunlight, the heat index may be increased 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 measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, pregnancy, wind, and clothing affect individual temperature impact. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

May through August, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Culebra, in August, it is raining for 22.5 days, with typically 4.21" (107mm) of accumulated precipitation. In Culebra, during the entire year, the rain falls for 253.1 days and collects up to 33.27" (845mm) of precipitation.

Ocean temperature

In Culebra, the average seawater temperature in August is 84.6°F (29.2°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In August, the average length of the day in Culebra is 12h and 44min.
On the first day of the month, sunrise is at 5:59 am and sunset at 6:55 pm. On the last day of August, sunrise is at 6:06 am and sunset at 6:36 pm AST.

Sunshine

In August, the average sunshine in Culebra is 8.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Culebra. The months with the lowest UV index in Culebra are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 7 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the 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 reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in August in Culebra?

The average high-temperature, in August, is 83.7°F (28.7°C), while the average low-temperature is 80.8°F (27.1°C). in August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What are the most humid months in Culebra?

May through August, with an average relative humidity of 78%, are most humid months in Culebra, Puerto Rico.

What is the average humidity in August in Culebra?

In August, the average relative humidity is 78%.

How much does it rain in Culebra in August?

In Culebra, Puerto Rico, during August, the rain falls for 22.5 days and regularly aggregates up to 4.21" (107mm) of precipitation.

What is the water temperature in August in Culebra?

In Culebra, Puerto Rico, in August, the average water temperature is 84.6°F (29.2°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Culebra have in August?

In Culebra, Puerto Rico, the average day length in August is 12h and 44min.

When are sunrise and sunset in August in Culebra?

On the first day of August in Culebra, sunrise is at 5:59 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 6:36 pm AST.

How long on average sun shines in August in Culebra?

The average sunshine duration in August in Culebra, Puerto Rico, is 8.9h.

When is the highest UV index in Culebra?

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

When is the lowest UV index in Culebra?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Culebra, Puerto Rico.

What is the UV index intensity in August in Culebra?

In Culebra, Puerto Rico, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in August
Culebra, PR

Average temperature in August - Culebra, PR
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is September (84°F).
The month with the lowest average high temperature is March (78.4°F).

  • Average low temperature in August: 80.8°F

The month with the highest average low temperature is October (81.5°F).
The coldest month (with the lowest average low temperature) is March (75.7°F).

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Average pressure in August
Culebra, PR

Average pressure in August - Culebra, PR
  • Average pressure in August: 29.97"Hg

The months with the highest atmospheric pressure are January and February (30.02"Hg).
The months with the lowest atmospheric pressure are October and November (29.91"Hg).

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Average wind speed in August
Culebra, PR

Average wind speed in August - Culebra, PR
  • Average wind speed in August: 14.4mph

The windiest month (with the highest average wind speed) is July (15mph).
The calmest month (with the lowest average wind speed) is October (11.1mph).

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Average humidity in August
Culebra, PR

Average humidity in August - Culebra, PR
  • Average humidity in August: 78%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March, October, November and December (75%).

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Average rainfall in August
Culebra, PR

Average rainfall in August - Culebra, PR
  • Average rainfall in August: 4.21"

The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in August
Culebra, PR

Average rainfall days in August - Culebra, PR
  • Average rainfall days in August: 22.5 days

The month with the highest number of rainy days is November (25.5 days).
The months with the least rainy days are February, March and June (18.2 days).

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Average sea temperature in August
Culebra, PR

Average sea temperature in August - Culebra, PR
  • Average sea temperature in August: 84.5°F

The best month for swimming (with the highest average sea temperature) is September (84.9°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).

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Average daylight in August /
Average sunshine in August
Culebra, PR

Average daylight in August / Average sunshine in August - Culebra, PR
  • Average daylight in August: 12h and 44min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

  • Average sunshine in August: 8h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

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Average sunshine days in August
Culebra, PR

Average sunshine days in August - Culebra, PR
  • Average sunshine days in August: 4 days

The months with the most sunshine days are March and April (7.3 days).
The month with the least sunshine days is November (2.4 days).

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Average UV index in August
Culebra, PR

Average UV index in August - Culebra, PR
  • Average UV index in August: 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).

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Average cloud cover in August
Culebra, PR

Average cloud cover in August - Culebra, PR
  • Average cloud cover in August: 39

The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).

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Average visibility in August
Culebra, PR

Average visibility in August - Culebra, 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).

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