Rio San Juan weather in October 2025

Q: How hot is it in Rio San Juan in October?

Daytime temperatures usually reach 31°C in Rio San Juan in October with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Rio San Juan in October?

There are normally 7 hours of bright sunshine each day in Rio San Juan in October - that's 58% of daylight hours.

Q: How warm is the sea around Rio San Juan in October?

The average sea temperature around Rio San Juan in October is 29°C.

Q: Does it rain in Rio San Juan in October?

There are usually 16 days with some rain in Rio San Juan in October and the average monthly rainfall is 166mm.

Q: What is the chance of a cyclone in Rio San Juan in October?

On average less than 1 day in October in Rio San Juan is likely to be affected by the passage of one or more tropical storms.

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rio San Juan in October. Check more long-term weather averages for Rio San Juan in October before you book your next holiday to Dominican Republic in 2025/2026.

31
31°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
166
166 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

More about the Rio San Juan

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The October weather guide for Dominican Republic (Rio San Juan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

More about the Dominican Republic

How hot is it in Rio San Juan in October?

Daytime temperatures usually reach 31°C in Rio San Juan in October with high heat and humidity, falling to 21°C at night.

How sunny is it in Rio San Juan in October?

There are normally 7 hours of bright sunshine each day in Rio San Juan in October - that's 58% of daylight hours.

How warm is the sea around Rio San Juan in October?

The average sea temperature around Rio San Juan in October is 29°C.

Does it rain in Rio San Juan in October?

There are usually 16 days with some rain in Rio San Juan in October and the average monthly rainfall is 166mm.

What is the chance of a hurricane in Rio San Juan in October?

On average less than 1 day in October in Rio San Juan is likely to be affected by the passage of one or more tropical storms.

Rio San Juan October sunrise & sunset times

Browse the sunrise and sunset times for Rio San Juan in October 2025. Select a month to view Rio San Juan sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Wednesday, 1st October 2025	06:31	18:28
Thursday, 16th October 2025	06:35	18:16
Friday, 31st October 2025	06:41	18:06

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Dominican Republic - quick facts
Flight time^✝	9 hours
Time difference	UK -4 hours
Language(s)	Spanish
Currency	Dominican Peso
Electricity	A + B + C plug (120V)
Driving side	Right
Why visit?	Beaches Nature Nightlife
Tourist info	Dominican Republic Tourist Board