Monthly Weather in Puerto Rico

What is the average monthly temperature in Puerto Rico?

The average monthly temperature in Puerto Rico ranges from 25.3°C (77.5°F) in January to 29.6°C (85.2°F) in September. Puerto Rico temperature by month is given in the table below.

Month Celsius Fahrenheit
January 25.3°C 77.5°F
February 25.4°C 77.7°F
March 25.4°C 77.7°F
April 25.9°C 78.6°F
May 27.8°C 82.0°F
June 29.0°C 84.2°F
July 28.9°C 84.0°F
August 29.2°C 84.6°F
September 29.6°C 85.3°F
October 28.8°C 83.8°F
November 27.8°C 82.0°F
December 26.3°C 79.3°F

What is the hottest month in Puerto Rico?

The hottest months in Puerto Rico are September, August and June. During September the average temperature outside is 29.6°C (85.3°F), in August it is 29.2°C (84.6°F) and during June the air temperature is around 29°C (84.2°F).

What is the coldest month in Puerto Rico?

The coldest months in Puerto Rico are January, February and March. In January the average air temperature drops to 25.3°C (77.5°F), in February air temperature is 25.4°C (77.7°F) and during March it is 25.4°C (77.7°F).

How much does it rain on average in Puerto Rico?

On average it rains for 12 month(s) in Puerto Rico with an average of 25.5 days of rain per month. In total Puerto Rico has 306 rainy days in a year.

When does it rain the most in Puerto Rico?

In Puerto Rico it rains the most during the following months.

  • October - on average 7.72mm (0.3 inches) of rainfall per day.
  • December - on average 6.22mm (0.24 inches) of rainfall per day.
  • January - on average 4.5mm (0.18 inches) of rainfall per day.
  • April - on average 4.42mm (0.17 inches) of rainfall per day.
  • November - on average 4.08mm (0.16 inches) of rainfall per day.
  • August - on average 3.39mm (0.13 inches) of rainfall per day.

Does it snow in Puerto Rico?

No, it doesn't snow in Puerto Rico.

When is it windy in Puerto Rico?

The windiest months in Puerto Rico are February, July and August. In February the average windspeed is 31.2 km/h (19.4 mph), during July the windspeed is 31.2 km/h (19.4 mph) and in August the windspeed is 28.9 km/h (18 mph).

What are the least windy months in Puerto Rico?

The least windy months in Puerto Rico are October, September and January. In October the average windspeed is 22.9 km/h (14.2 mph), during September the windspeed is 24.4 km/h (15.2 mph) and in January the windspeed is 26.2 km/h (16.3 mph).

When is it cloudy in Puerto Rico?

The cloudiest months in Puerto Rico are December, July and November. On average in December 55% of sky is covered by clouds, in July 54.4% is covered by clouds and in November clouds cover about 53.9% of sky.

When does Puerto Rico have the clearest sky?

Puerto Rico has the clearest sky in May, September and June. In May 45.1% of sky is covered by clouds, in September clouds cover around 45.1% and during June clouds cover about 46.1% of sky.

What is the average daylight duration in Puerto Rico?

The average daylight duration in Puerto Rico is 12 hours 8 minutes 18 seconds.

Which months have the most daylight in Puerto Rico?

The longest days in Puerto Rico are during June, July and May.

  • June - 13 hours 13 minutes 10 seconds of daylight.
  • July - 13 hours 6 minutes 50 seconds of daylight.
  • May - 13 hours 0 minutes 11 seconds of daylight.

Which months have the least daylight in Puerto Rico?

The shortest days in Puerto Rico are during December, January and November.

  • December - 11 hours 2 minutes 27 seconds of daylight.
  • January - 11 hours 9 minutes 43 seconds of daylight.
  • November - 11 hours 16 minutes 11 seconds of daylight.

What are the humidity levels in Puerto Rico throughout the year?

Humidity levels in Puerto Rico range from 71.7% in March to 78.8% in October.

What are the pressure levels in Puerto Rico throughout the year?

Pressure levels in Puerto Rico change from 1010.4 mb (millibars) in October to 1017.5 mb in February.

What is the visibility in Puerto Rico throughout the year?

Visibility in Puerto Rico changes from lowest 14.7 km (9.1 miles) in July to highest 15.9 km (9.9 miles) in February.

What are the UV levels in Puerto Rico throughout the year?

UV levels change in Puerto Rico from 7 in January to 9.1 in May.

Which months have the highest UV levels in Puerto Rico throughout the year?

In Puerto Rico the highest UV index is during May, September and April. During May the average UV index is 9.1, in September UV level is 9.1 and in April UV index is around 8.9.

Which months have the lowest UV levels in Puerto Rico throughout the year?

The lowest UV levels in Puerto Rico are in January, December and February. In January the average UV index is around 7, in December UV index is 7.3 and during February UV level is 7.6.