Arroyo weather in January 2027

Q: How hot is it in Arroyo in January?

Daytime temperatures usually reach 27°C in Arroyo in January with moderate heat and humidity, falling to 20°C at night.

Q: How sunny is it in Arroyo in January?

There are normally 8 hours of bright sunshine each day in Arroyo in January - that's 69% of daylight hours.

Q: How warm is the sea around Arroyo in January?

The average sea temperature around Arroyo in January is 26°C.

Q: Does it rain in Arroyo in January?

There are usually 20 days with some rain in Arroyo in January and the average monthly rainfall is 116mm.

Expect daytime maximum temperatures of 82°F in Arroyo, Puerto Rico in January and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall.

82
82°F max day temperature
8
8 hours of sunshine per day
20
20 days with some rainfall
72
72°F min night temperature
11
11 hours of daylight per day
H
High heat & humidity
1.3
1.3 inches of monthly rainfall
8
8 (Very High) UV index
81
81°F sea temperature

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The January weather guide for Puerto Rico (Arroyo) 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) | Imperial (°F)

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How hot is it in Arroyo in January?

Daytime temperatures usually reach 81°F in Arroyo in January with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Arroyo in January?

There are normally 8 hours of bright sunshine each day in Arroyo in January - that's 69% of daylight hours.

How warm is the sea around Arroyo in January?

The average sea temperature around Arroyo in January is 79°F.

Does it rain in Arroyo in January?

There are usually 20 days with some rain in Arroyo in January and the average monthly rainfall is 4.6 inches.

Arroyo January sunrise & sunset times

Browse the sunrise and sunset times for Arroyo in January 2027. Select a month to view Arroyo 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
Friday, 1st January 2027	06:55	18:00
Saturday, 16th January 2027	06:59	18:09
Sunday, 31st January 2027	06:57	18:18

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Puerto Rico - quick facts
Flight time^✝	12 to 13 hours
Time difference	UK -4 hours
Language(s)	Spanish, English
Currency	United States Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes