Rio San Juan weather

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The weather guide for Rio San Juan, Dominican Republic shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Rio San Juan?

The hottest time of year in Rio San Juan is normally September. Expect maximum daytime temperatures to reach 32°C with high heat and humidity.

Which month has the most rain in Rio San Juan?

In terms of rainfall, November is usually the wettest month in Rio San Juan with 268mm on average. There are normally 14 days in November with some rain.

When is it sunniest in Rio San Juan?

The sunniest time of year in Rio San Juan is normally August with bright sunshine on average for 63% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Rio San Juan?

The sea is usually at its warmest in Rio San Juan in October when the water temperature reaches 29°C.

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

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Compare Rio San Juan weather with the USA

Below the Rio San Juan weather chart shows average maximum daytime temperature for Rio San Juan, Dominican Republic and the USA (Washington).

Maximum daytime temperature (°C)

Rio San Juan, Dominican Republic
USA (Washington)
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Feb
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Apr
May
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Aug
Sep
Oct
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Dec

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

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Tropical storm risk: Rio San Juan hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.6%
3.2%
1.6%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Rio San Juan tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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Where's hot in the Dominican Republic right now?

Below are the temperatures expected today at popular destinations in the Dominican Republic. Select a destination to compare today's forecast with average weather conditions.

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