Jarealito Weather in January
Jarealito in January sees high daytime temperatures of 28°C (82°F) and nighttime lows of 22°C (72°F). Moderate rainfall is typical, with around 50 mm (2 in) for the month.
Rainfall in Jarealito in January
Past climate data indicates that roughly 19 days will see rain, totalling around 50 mm (2 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Jarealito in January
Jarealito in January is worth a visit. The temperature is excellent, with 28°C (82°F) during the day and 22°C (72°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 22°C (72°F), the nights are warm and generally comfortable. Though it's the cooler month of the year, the weather remains warm. Ideal for enjoying the outdoors.
Sunshine in Jarealito in January
Expect sunny days throughout the month, with an estimated 238 hours of sunshine. This makes it a pleasant time to visit Jarealito.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Jarealito's climate page.
Jarealito Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Jarealito typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in January
Historical weather for Jarealito in January
Browse day-by-day weather records for Jarealito spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jarealito historical weather extremes in January
Based on 49 years of weather observations in Jarealito between 1976 and 2025, these are the recorded extremes.
- The warmest day in January was on January 1, 1998, with a maximum of 32°C (90°F).
- The coldest January day was on January 10, 1999, with a maximum of 23°C (73°F).
- The lowest overnight temperature recorded in January was 15°C (59°F) (January 20, 2000).
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 →
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What to Wear in Jarealito 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Jarealito 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 Jarealito's climate page.
Temperature Rainfall Sunshine Humidity
See the full Jarealito climate overview or explore weather in Puerto Rico.