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San Juan Puerto Rico Radar Weather


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San Juan Radar Weather

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Radar Reflectivity Explained

The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. «Reflectivity» is the amount of transmitted power returned to the radar receiver. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). So, a more convenient number for calculations and comparison, a decibel (or logarithmic) scale (dBZ), is used.

The dBZ values increase as the strength of the signal returned to the radar increases. Each reflectivity image you see includes one of two color scales. One scale (far left) represents dBZ values when the radar is in clear air mode (dBZ values from -28 to +28). The other scale (near left) represents dBZ values when the radar is in precipitation mode (dBZ values from 5 to 75). Notice the color on each scale remains the same in both operational modes, only the values change. The value of the dBZ depends upon the mode the radar is in at the time the image was created.

The scale of dBZ values is also related to the intensity of rainfall. Typically, light rain is occurring when the dBZ value reaches 20. The higher the dBZ, the stronger the rainrate. Depending on the type of weather occurring and the area of the U. S., forecasters use a set of rainrates which are associated to the dBZ values.

These values are estimates of the rainfall per hour, updated each volume scan, with rainfall accumulated over time. Hail is a good reflector of energy and will return very high dBZ values. Since hail can cause the rainfall estimates to be higher than what is actually occurring, steps are taken to prevent these high dBZ values from being converted to rainfall.

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Radar Doppler PR | Weather Map

Weather map in San Juan Puerto Rico and Caribbean’s. Weather forecasts in Puerto Rico by city, wind and wave maps, temperature map, pressure map, lightening map, satellite map. Our online tool provides live weather map in Puerto Rico based on radar doppler PR, where locals prefer saying «radar doppler PR en vivo» or simply «radar del tiempo». Make sure you check all of the available features for your own convenience and harmony with weather in your region.

We hope our handy Puerto Rico weather map will be your best friend and assistant now.
Feel free to bookmark the page and share it with your friends 😉

Puerto Rico with the San Juan Area, Dual Pol Composite Super Doppler Radar

Our weather map tool is based on radar doppler in PR (sorry, it is just easier to spell two letters, then typing “radar doppler in Puerto Rico” every time). Interactive map helps you to avoid unwanted situations due to unexpected weather. Now you can easily check Puerto Rico weather today with our Caribbean weather map.  Navigate from rain radar to wind radar, check temperature map in Puerto Rico, waves radar and even pressure map – select the weather map you need with a single click a top right corner of the map. Doppler radar can be selected in map menu as well as other types of weather maps. Zoom will help you to check weather in Caribbean’s in general. Also you may use Zoom to check doppler radar map for a particular region or city. Now you have one  place that tells you everything about “weather near me”.

Weather map in PR uses data provided by radar doppler PR. Online tool uses gfs model and offers large number of weather map layers. Here is a full list –

  • wind map
  • wind gusts map
  • wind accumulation map
  • rain & thunder map
  • rain accumulation map
  • new snow (we know weather map in Puerto Rico does not really need this layer, but still you GOT IT!)
  • snow depth
  • precipitation type
  • thunderstorms
  • temperature map
  • dew point
  • humidity map
  • freezing altitude
  • clouds
  • high clouds
  • medium clouds
  • low clouds
  • fog map
  • cloud tops
  • CAPE index
  • waves
  • swells map
  • wind waves map
  • sea temperature in Caribbean and Puerto Rico

You may also check currents, CO concentration, dust mass, SO2 mass, NO₂, PM2. 5, aerosol, ozone layer, pressure, extreme wind, extreme temperature, extreme rain, satellite view. San Juan weather radar also provides forecasts. Select city to check detailed information about weather conditions.

Wow, seems like the best place to check your weather doubts!

San Juan Doppler Radar

Average Weather in San Juan Puerto Rico

The climate in San Juan is hot, oppressive, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 72°F to 89°F and is rarely below 69°F or above 91°F. Based on the beach/pool score, the best time of year to visit San Juan for hot-weather activities is from early December to mid April.

To characterize how pleasant the weather is in San Juan throughout the year, we compute two travel scores. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit San Juan for general outdoor tourist activities is from late December to late March, with a peak score in the third week of January.


The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

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Weather in Puerto Rico now. Sea water temperature. Detailed forecast. Puerto Rico on a weather map.

November 25,

2 m/s
Precipitation: 0% / Feels like: 20°C

Sea water temperature: 22.8°C

Sunrise: 07:32 / Sunset: 18:08
Sunrise: 09:14 / Sunset: 19:36
Pressure: 765 mmHg
Humidity: 77%
Visibility: 10 km.
Day length: 10 hours 36 minutes

Average temperature

In November:




E 0 m/s
Precipitation 0%


20°C 9005 W 20006 precipitation 0%



24 ° C

K 1 m/s
precipitation 0%


21 ° C

U 1 m/s
precipitation 0%



25 ° C

K 2 m/s
precipitation 0%


22 ° C

SEC 2 m/s
precipitation 0%



W 2 m/s
Precipitation 0%



SW 4 m/s
Precipitation 0%

Hourly weather
Puerto Rico

Weather for 7 days
Puerto Rico

14 day weather
Puerto Rico

Water temperature
at sea
Puerto Rico

Monthly weather in Puerto Rico

January April July October
February May August November
March June September December

Temperature in Puerto Rico, °C

* You can get more detailed information about the air temperature for a certain month by clicking on the column with its value.

Sea water temperature, °C

* You can get more detailed information about the sea water temperature for a certain month by clicking on the column with its value.

Precipitation in Puerto Rico, mm

Puerto Rico on the weather map

July 31 days
August 31 days
May 29 days
Warmest months:
August 27.6 °C
July 26.7 °C
September 25.8 °C
The warmest sea:
September 23.7 °C
October 23.6 °C
August 23.0 °C
Coldest months:
January 19. 9 °C
February 20.5 °C
March 20.5 °C
Rainiest months:
January 1 day
October 0 days
December 0 days
Windiest months:
March 4.9 m/s
February 4.8 m/s
July 4.8 m/s

Puerto Rico Sea Temperature in September 2022

Weather at the resorts of the world

  1. World Resorts
  2. Puerto Rico
  3. September
  • Map
  • Temperature
  • January
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  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

Where to swim in Puerto Rico
in September?


Water temperature



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