- Book online & save up to 5% on Marella Cruises
- Discount varies by season. Book online with TUI
- Destinations across the Med, Caribbean & USA
San Juan weather in January 2025
Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Juan in January. Check more long-term weather averages for San Juan in January before you book your next holiday to Puerto Rico in 2025/2026.
- 2727°C max day temperature
- 8 hours of sunshine per day
- 2020 days with some rainfall
- 2020°C min night temperature
- 1111 hours of daylight per day
- MModerate heat & humidity
- 116116 mm of monthly rainfall
- 88 (Very High) UV index
- 2626°C sea temperature
More about San Juan
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
San Juan by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Puerto Rico
Cruise deal finder
The January weather guide for Puerto Rico (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 Puerto Rico
How hot is it in San Juan in January?
Daytime temperatures usually reach 27°C in San Juan in January with moderate heat and humidity, falling to 20°C at night.
How sunny is it in San Juan in January?
There are normally 8 hours of bright sunshine each day in San Juan in January - that's 69% of daylight hours.
How warm is the sea around San Juan in January?
The average sea temperature around San Juan in January is 26°C.
Does it rain in San Juan in January?
There are usually 20 days with some rain in San Juan in January and the average monthly rainfall is 116mm.
San Juan January sunrise & sunset times
Browse the sunrise and sunset times for San Juan in January 2025. Select a month to view San Juan sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st January 2025 | 06:57 | 18:00 |
Thursday, 16th January 2025 | 07:00 | 18:09 |
Friday, 31st January 2025 | 06:58 | 18:18 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- British Airways
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport