San Juan
Puerto Rico, USA
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
San Juan, PR

An old fort building and a view of the stunning San Juan city, Puerto Rico, with a clear view of the calm waterfront
An old fort building and a view of the stunning San Juan city, Puerto Rico, with a clear view of the calm waterfront
February, the last month of the winter, in San Juan, is also a moderately hot month, with average temperature ranging between min 72°F (22.2°C) and max 83.7°F (28.7°C).

Temperature

In February, the average high-temperature is essentially the same as in January - a still moderately hot 83.7°F (28.7°C). In San Juan, Puerto Rico, the average low-temperature is 72°F (22.2°C).

Heat index

In February, the average heat index is evaluated at a hot 90.5°F (32.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the 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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

In San Juan, the average relative humidity is 72.4%.

Rainfall

In February, in San Juan, the rain falls for 13.9 days. Throughout February, 3.2" (82mm) of precipitation is accumulated. In San Juan, during the entire year, the rain falls for 198.5 days and collects up to 70.6" (1794mm) of precipitation.

Ocean temperature

Months with the coldest seawater in San Juan are February and March, with an average ocean temperature of 79°F (26.1°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 February, the average length of the day is 11.6h.

Sunshine

The average sunshine in San Juan is 8.3h.

UV index

In February, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 10 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in February in San Juan?

In San Juan, Puerto Rico, in February, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 72°F (22.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in February is evaluated at 90.5°F (32.5°C).

What is the average humidity in February in San Juan?

In February, the average relative humidity is 72.4%.

How many days does it rain in February in San Juan?

In San Juan, Puerto Rico, in February, during 13.9 rainfall days, 3.2" (82mm) of precipitation is typically accumulated.

What are the months with the coldest ocean in San Juan?

February and March, with an average ocean temperature of 79°F (26.1°C), are months with the coldest seawater in San Juan.

How warm is the water in February in San Juan?

In February, the average ocean temperature in San Juan, Puerto Rico, is 79°F (26.1°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.

What is the average length of the day in February in San Juan?

The average length of the day in February in San Juan, Puerto Rico, is 11.6h.

How many hours of sunshine does San Juan have in February?

In San Juan, Puerto Rico, the average sunshine in February is 8.3h.

What is the UV index intensity in February in San Juan?

The average daily maximum UV index in February in San Juan, Puerto Rico, is 10. A UV Index of 8 to 10 symbolizes a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in February - San Juan, PR
  • Average high temperature in February: 83.7°F

Warmest months (with the highest average high temperature) are August and September (89.2°F).
The month with the lowest average high temperature is January (83.2°F).

  • Average low temperature in February: 72°F

The month with the highest average low temperature is August (78.2°F).
Coldest months (with the lowest average low temperature) are January and February (72°F).

Average humidity in February - San Juan, PR
  • Average humidity in February: 72.4%

The month with the highest relative humidity is October (76.9%).
The month with the lowest relative humidity is March (71%).

Average rainfall in February - San Juan, PR
  • Average rainfall in February: 3.2"

The wettest month (with the highest rainfall) is August (7.7").
The driest month (with the lowest rainfall) is March (3.1").

Average rainfall days in February - San Juan, PR
  • Average rainfall days in February: 13.9 days

Months with the highest number of rainy days are November and December (19.6 days).
The month with the lowest number of rainy days is March (12.2 days).

Average sea temperature in February - San Juan, PR
  • Average sea temperature in February: 78.9°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 (78.9°F).

Average daylight in February / Average sunshine in February - San Juan, PR
  • Average daylight in February: 11.6h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in February: 8.3h

Months with most sunshine are March and July (Average sunshine: 9.1h).
The month with least sunshine is November (Average sunshine: 6.7h).

Average UV index in February - San Juan, PR
  • Average UV index in February: 10

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).