July weather forecast
Luquillo, PR

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Weather in July

July in Luquillo plays host to the warmest weather conditions of the year. The temperatures are at their yearly summit with rainfall seeing a significant leap to 2.6" (66mm). It's also the time when daylight hours start to decline to 13.1 hours, signalling the end of the longest days of the year. The prevailing winds pick up pace, hitting their yearly maximum average of 12mph (19.3km/h), providing some relief from the heat. Despite this, July retains a charming allure, with the city's vibrant life undeterred by the weather.

Temperature

In Luquillo, July's average high-temperature stands at a still warm 83.5°F (28.6°C), closely related to the preceding month. Luquillo's nights throughout July are marked by an average low temperature of 80.1°F (26.7°C), a minor drop from the day's high.

Heat index

In July, the heat index is estimated at a tropical 91.4°F (33°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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

The months with the highest humidity are May through August, with an average relative humidity of 79%.

Rainfall

In Luquillo, Puerto Rico, in July, during 19.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Luquillo, during the entire year, the rain falls for 216 days and collects up to 21.5" (546mm) of precipitation.

Daylight

The average length of the day in July is 13h and 7min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:03 pm. On the last day of July, sunrise is at 6:00 am and sunset at 6:57 pm AST.

Sunshine

In Luquillo, the average sunshine in July is 10.1h.

UV index

The months with the highest UV index are January, March through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in July suggests the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot does it get in July?

July temperatures vary between a high-temperature of 83.5°F (28.6°C) and a low-temperature of 80.1°F (26.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 91.4°F (33°C).

What are the most humid months?

May through August, with an average relative humidity of 79%, are most humid months.

What is the average humidity in July?

In July, the average relative humidity is 79%.

How much does it rain in July?

In Luquillo, in July, it is raining for 19.8 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the average length of the day in July?

The average day length in July is 13h and 7min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:50 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:57 pm AST.

How many hours of sunshine does Luquillo have in July?

In July, the average sunshine duration is 10.1h.

When is the highest UV index?

The months with the highest UV index are January, March through December, with an average maximum UV index of 7.

What is the UV index reading in July?

In July, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Luquillo, PR

Average temperature in July - Luquillo, PR
  • Average high temperature in July: 83.5°F

The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is March (79°F).

  • Average low temperature in July: 80.1°F

The months with the highest average low temperature are September and October (80.8°F).
The coldest months (with the lowest average low temperature) are February and March (75.7°F).

Average pressure in July
Luquillo, PR

Average pressure in July - Luquillo, PR
  • Average pressure in July: 30.01"Hg

The months with the highest atmospheric pressure are January and February (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).

Average wind speed in July
Luquillo, PR

Average wind speed in July - Luquillo, PR
  • Average wind speed in July: 12mph

The windiest month (with the highest average wind speed) is July (12mph).
The calmest month (with the lowest average wind speed) is October (8.6mph).

Average humidity in July
Luquillo, PR

Average humidity in July - Luquillo, PR
  • Average humidity in July: 79%

The months with the highest relative humidity are May, June, July and August (79%).
The months with the lowest relative humidity are February and March (76%).

Average rainfall in July
Luquillo, PR

Average rainfall in July - Luquillo, PR
  • Average rainfall in July: 2.6"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in July
Luquillo, PR

Average rainfall days in July - Luquillo, PR
  • Average rainfall days in July: 19.8 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (13.8 days).

Average daylight in July /
Average sunshine in July
Luquillo, PR

Average daylight in July / Average sunshine in July - Luquillo, PR
  • Average daylight in July: 13h and 1min

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 0min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in July
Luquillo, PR

Average sunshine days in July - Luquillo, PR
  • Average sunshine days in July: 5.3 days

The month with the most sunshine days is March (10 days).
The month with the least sunshine days is November (4.9 days).

Average UV index in July
Luquillo, PR

Average UV index in July - Luquillo, PR
  • Average UV index in July: 7

The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).

Average cloud cover in July
Luquillo, PR

Average cloud cover in July - Luquillo, PR
  • Average cloud cover in July: 40

The months with the most cloud cover are May and July (Cloud cover 40).
The months with the least cloud cover are February, September and October (Cloud cover 33).

Average visibility in July
Luquillo, PR

Average visibility in July - Luquillo, PR
  • Average visibility in July: 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).

Luquillo, Puerto Rico, USA

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