Prepare your trip for San Juan, PORTO RICO

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San Juan, PORTO RICO and its best beaches

Climate - Temperatures and rainfall - Cyclones - Atlantic Ocean

Beautiful beaches from PORTO RICO

San Juan: Temperatures during the day, at night, rain and bathing conditions

January
Day temperature 81F / 27C    |    Night temp. 70F / 21C    |    Bathing temperature 79F / 26C    |    Rain 109 mm    |      Conditions Bathing at 26 C
February
Day temperature 81F / 27C    |    Night temp. 70F / 21C    |    Bathing temperature 79F / 26C    |    Rain 069 mm    |      Conditions Bathing at 26 C
March
Day temperature 81F / 27C    |    Night temp. 70F / 21C    |    Bathing temperature 79F / 26C    |    Rain 074 mm    |      Conditions Bathing at 26 C
April 
Day temperature 83F / 28C    |    Night temp. 72F / 22C    |    Bathing temperature 81F / 27C    |    Rain 104 mm    |      Conditions Bathing at 27 C
May
Day temperature 85F / 29C    |    Night temp. 74F / 23C    |    Bathing temperature 83F / 28C    |    Rain 150 mm    |      Conditions Bathing at 28 C
June
Day temperature 85F / 29C    |    Night temp. 76F / 24C    |    Bathing temperature 83F / 28C    |    Rain 137 mm    |      Conditions Bathing at 28 CRisk of cyclones in June !
July
Day temperature 85F / 29C    |    Night temp. 76F / 24C    |    Bathing temperature 83F / 28C    |    Rain 145 mm    |      Conditions Bathing at 28 CRisk of cyclones in July !
August
Day temperature 85F / 29C    |    Night temp. 76F / 24C    |    Bathing temperature 83F / 28C    |    Rain 160 mm    |      Conditions Bathing at 28 CRisk of cyclones in August !
September
Day temperature 86F / 30C    |    Night temp. 76F / 24C    |    Bathing temperature 85F / 29C    |    Rain 157 mm    |      Conditions Bathing at 29 CRisk of cyclones in September !
October
Day temperature 85F / 29C    |    Night temp. 76F / 24C    |    Bathing temperature 85F / 29C    |    Rain 142 mm    |      Conditions Bathing at 29 CRisk of cyclones in October !
November
Day temperature 85F / 29C    |    Night temp. 74F / 23C    |    Bathing temperature 83F / 28C    |    Rain 160 mm    |      Conditions Bathing at 28 CRisk of cyclones in November !
December
Day temperature 81F / 27C    |    Night temp. 72F / 22C    |    Bathing temperature 81F / 27C    |    Rain 137 mm    |      Conditions Bathing at 27 C

Porto Rico : climate and when to go to San juan

Tropical climate with marine influences, mild, low seasonal variations in temperature, oscillating between 77F and 88F on the coasts. Winter is the driest period, the summer the rainiest period. The north coast is twice as watered as the south coast. Cyclones occur between June and early December, especially between August and October. It is an average of 4 per year on the island!

When to go? The hottest month for the beach, lazing around and swimming is September. Warning, September is a month with cyclonic risks, heavy showers may occur, otherwise other periods are possible. The coolest month is January, if you can not stand the heat too much. The driest month of the year is February, if you do not like the rain at all.

Click on San Juan to display its climate.

Graphs and temperature curves with average precipitation over the year

     Monthly temperatures of San Juan, PORTO RICO     day    night  San Juan, PORTO RICO temperatures. A minimum temperature of 81F C is recommended for the beach!
     Precipitation, rainfall, cyclone: PORTO RICO
Precipitation, mean rainfall, cyclone period for San Juan, PORTO RICO
     Temperatures of bathing water around San Juan
Atlantic Ocean bathing temperature at San Juan, PORTO RICO. +79C is ideal for the beach!

  Landmarks

Sun   Perfect conditions to enjoy the beach.
Sun       Favorable conditions for enjoying the beach.
Sun and showers      Cloudy with sunny spells and thunderstorms.
Rain, showsers, storms or monsoons     Very strong tropical or monsoon rains.
Cyclone or hurricane/         Months at risk of cyclones with alerts level 1 to 5.
Sea bathing       Nice swimming at more than 26C / 79F.
Perfect trip  Everything is perfect for traveling.

Cyclonic risks (6 month(s))
Risks of cyclones for PORTO RICO
Cyclone mapping

Sunrise and Sunset in the Tropics
06:09 Sunrise                Sunset 6:38

Atlantic Ocean

Weather forcast $pays in $mois_en_cours - $oceans.
Climate April 2024

San Juan sunshine in summer and winter

San Juan, PORTO RICOin the southern hemisphere in winter
San Juan, PORTO RICOin the northern hemisphere in summer
San Juan annual sunshine

The sun at its zenith, that means well perpendicular to the surface of the Earth, sending 100% of radiation and heat. San Juan receives in winter (january),  74%  of sun power and  99%  during summer time (july).

The average temperature and sunshine deviations between summer and winter are 25%. This small gap means that the temperature at sea does not really vary and that the sea remains warm enough in summer and winter. The air is also hot all year round without great thermal amplitude.

showing the annual performance of San Juan for bathing and lazing around on the beaches.  

Average temperatures and rainfall for a stay in April

Cyclone, monsoon, tropical rainfall and showers index
On the left, the averages observed every month of April on the Porto Rico beaches. The trends for next month are, slightly warmer daytime temperatures, a bathing water in Atlantic Ocean which takes a few degrees, more abundant rains with warmer nights.

Sunset and sunrise times for PORTO RICO


Local time : April 2024, Saturday 13, 11:13 PM
Sunrise time : 06:09 am, point A
Sunset time : 6:38 pm, point B
Duration of daylight : 12:29 / 24:00
Jet lag : GMT-4
Sunset and sunrise from PORTO RICO


The average monthly UV index of PORTO RICO



What is the period of mosquitoes virulence over the year?

Presence of mosquitoes 7/10 at San Juan.


Weather forecast for San Juan

Here are the current 5-day forecasts for Miramar / San Juan. Temperatures are spaced 3 hours apart for each day. The summary of the state of the sky gives the trend of the week. The sea temperature at is a monthly average. In lagoons or seashores where the bathing water is shallow, you can add some degrees.



Monday
April 15, 2024
8 am

76.3F
25C

Light rain
Humidity 87%
Sea 81F/27C


Monday
April 15, 2024
11 am

75.3F
25C

Light rain
Humidity 90%
Sea 81F/27C


Monday
April 15, 2024
2 pm

77.2F
26C

Light rain
Humidity 86%
Sea 81F/27C


Monday
April 15, 2024
5 pm

81.5F
28C

Light rain
Humidity 75%
Sea 81F/27C


Monday
April 15, 2024
8 pm

82.1F
28C

Light rain
Humidity 73%
Sea 81F/27C


Monday
April 15, 2024
11 pm

79.8F
27C

Moderate rain
Humidity 81%
Sea 81F/27C



Tuesday
April 16, 2024
8 am

75.5F
25C

Broken clouds
Humidity 90%
Sea 81F/27C


Tuesday
April 16, 2024
11 am

75.3F
25C

Light rain
Humidity 90%
Sea 81F/27C


Tuesday
April 16, 2024
2 pm

78F
26C

Light rain
Humidity 83%
Sea 81F/27C


Tuesday
April 16, 2024
5 pm

80.7F
28C

Light rain
Humidity 75%
Sea 81F/27C


Tuesday
April 16, 2024
8 pm

82.8F
29C

Light rain
Humidity 69%
Sea 81F/27C


Tuesday
April 16, 2024
11 pm

78.4F
26C

Moderate rain
Humidity 84%
Sea 81F/27C



Wednesday
April 17, 2024
8 am

75.3F
25C

Moderate rain
Humidity 89%
Sea 81F/27C


Wednesday
April 17, 2024
11 am

75.1F
24C

Moderate rain
Humidity 88%
Sea 81F/27C


Wednesday
April 17, 2024
2 pm

75.2F
24C

Moderate rain
Humidity 90%
Sea 81F/27C


Wednesday
April 17, 2024
5 pm

77.4F
26C

Light rain
Humidity 84%
Sea 81F/27C


Wednesday
April 17, 2024
8 pm

81.1F
28C

Light rain
Humidity 72%
Sea 81F/27C


Wednesday
April 17, 2024
11 pm

77.8F
26C

Moderate rain
Humidity 82%
Sea 81F/27C



Thrusday
April 18, 2024
8 am

74.7F
24C

Few clouds
Humidity 86%
Sea 81F/27C


Thrusday
April 18, 2024
11 am

74.3F
24C

Scattered clouds
Humidity 87%
Sea 81F/27C


Thrusday
April 18, 2024
2 pm

77.7F
26C

Light rain
Humidity 83%
Sea 81F/27C


Thrusday
April 18, 2024
5 pm

80.9F
28C

Light rain
Humidity 73%
Sea 81F/27C


Thrusday
April 18, 2024
8 pm

80.2F
27C

Light rain
Humidity 75%
Sea 81F/27C


Thrusday
April 18, 2024
11 pm

79F
27C

Light rain
Humidity 77%
Sea 81F/27C



Friday
April 19, 2024
8 am

74.7F
24C

Scattered clouds
Humidity 86%
Sea 81F/27C


Friday
April 19, 2024
11 am

73.7F
24C

Broken clouds
Humidity 86%
Sea 81F/27C


Friday
April 19, 2024
2 pm

76.9F
25C

Scattered clouds
Humidity 81%
Sea 81F/27C


Friday
April 19, 2024
5 pm

81.2F
28C

Light rain
Humidity 70%
Sea 81F/27C



Weather uncertainties 2024 to go to San Juan ?

Stormy risks under tropics

Risks of tropical rains and showers
In the tropics, these storm or rain pictograms indicate that tropical showers or stormy weather are possible. It is difficult to predict the exact local weather in the tropics. This is especially true by the sea and the beach. Consider that more than 180 mm of rain per month is the limit to enjoy the beach on vacation. So check this data provided for each month on the preferred destinations of this site.

When traveling in the tropics as a seaside, rain is not welcome. If you see this indicator, with possible storms, that does not mean that it will rain all day long. When we observe the local rainfall, it is either really zero or very weak. Meteorologists prefer to be pessimistic. So observe below, the skies photographed during a week announced stormy in Asia. It did not rain once. I invite you to integrate this parameter before going to San Juan for a good trip to the sun!

Stormy or rainy weather under tropics
Stormy or rainy weather under tropics

Stormy or rainy weather under tropics
Stormy or rainy weather under tropics

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