Loiza Weather in January
Loiza in January sees high temperatures, with highs around 28°C (82°F) and overnight lows of 23°C (73°F). Rainfall is fairly high at around 61 mm (2.4 in) on average, so pack waterproofs just in case.
Rainfall in Loiza in January
The climate data from previous years indicates about 20 days of rain, averaging 61 mm (2.4 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Loiza in January
January in Loiza is generally perfect, with days reaching 28°C (82°F) and nights settling around 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing. While the temperatures are lower than usual, the month maintains its warmth throughout.
Sunshine in Loiza in January
Expect sunny days throughout the month, with an estimated 238 hours of sunshine. This makes it a pleasant time to visit Loiza.
Wind Speed in Loiza in January
Wind speeds average 3 m/s (6 knots) during January. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in January
The water is 26°C (79°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April and December typically offer the best weather for Loiza.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Loiza's climate page.
Loiza Temperature in January
Min Temperature
23°C (73°F)
Max Temperature
28°C (82°F)
Water Temperature
26°C (79°F) *
Chance of Rain
66%
Precipitation
61 mm (2.4 in)
Rainy days
20 days
Humidity
74% *
Windspeed
3 m/s (6 knots) *
Sunshine
238 hours *
Percentage Sunshine
70% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Loiza typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Loiza in January
Browse day-by-day weather records for Loiza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Loiza historical weather extremes in January
Based on 49 years of weather observations in Loiza between 1976 and 2025, these are the recorded extremes.
- On January 23, 2018, temperatures climbed to 34°C (93°F), marking the warmest January day on record.
- Loiza experienced its chilliest January day on January 28, 2006, reaching only 23°C (73°F).
- Loiza registered its coldest January night on January 20, 2000, with temperatures dropping to 17°C (63°F).
Best Places in Puerto Rico in January
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Loiza in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 26°C (79°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Loiza in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Loiza's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Loiza climate overview or explore weather in Puerto Rico.
