San Juan holiday weather

Check San Juan weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in San Juan is expected to be 30°C, while the average maximum temperature in December is 28°C.

More about San Juan

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San Juan weather averages

Check out the San Juan weather averages before you book your next holiday to Puerto Rico. The warmest months in San Juan are June, July, August, September and October with an average maximum temperature of 30°C. The sunniest months are March, April, June, July and August with on average 9 hours of bright sunshine per day. The month with the least number of days with some rain is April with 14 days. The sea is at its warmest in San Juan in September and October with an average sea temperature of 29°C.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some rainfall

Sea temperature (°C)

More weather parameters

Metric (°C / mm)  |  Imperial (°F / inches)

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San Juan weather today

Here is the weather in San Juan today, Wednesday 13th December 2017. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 30°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 30
    °C maximum temperature
  • scattered clouds
  • 4
    hours of sunshine
  • 0
    mm of rainfall expected
  • 10
    kph wind from S

5-day weather forecast

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: San Juan, Puerto Rico hurricane season

% of month affected by tropical storms
<1%
0
0
<1%
0
0
<1%
2%
4%
1%
1%
<1%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The San Juan, Puerto Rico tropical storm risk chart above shows the hurricane season.

More about tropical storms

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San Juan holiday weather averages by month

Check San Juan holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare San Juan weather with the USA

Below the San Juan weather chart shows maximum daytime temperature for San Juan, Puerto Rico and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

San Juan, Puerto Rico
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more San Juan weather >>

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