January weather forecastRincon, PR

January
Weather in January
January's weather in Rincon, Puerto Rico, manifests a lukewarm and slightly dry nature, paving way for an agreeable atmosphere. A slight increase in daylight, exceeding 11.2 hours, offers additional hours to luxuriate in the tropical climate. Interestingly, it features 76% relative humidity, a notch lower than succeeding winter months, facilitating a less damp environment. However, gusty winds make their appearance, drawing top speeds of 15.5mph (24.9km/h), higher than the annual average. The promise of minimal rainfall might appeal to ones seeking to savor the outdoor attractions of Rincon, Puerto Rico.Temperature
With the onset of January, a modest change to a still warm 80.4°F (26.9°C) from December's 81.5°F (27.5°C) is noted in high-temperature. Rincon's January nights exhibit a subtle drop in temperature, averaging at a still warm 74.8°F (23.8°C), closely aligned with the daytime highs.Humidity
The average relative humidity in January is 76%.Rainfall
January is the month with the least rainfall. Rain falls for 14.8 days and accumulates 0.98" (25mm) of precipitation.Ocean temperature
In Rincon, the average seawater temperature in January is 80.1°F (26.7°C).Note: Swimming, diving, and other water-related activities in temperatures between 77°F (25°C) and 84.2°F (29°C) are considered highly enjoyable and satisfying for longer durations without uneasiness.
Daylight
In January, the average length of the day is 11h and 10min.On the first day of January, sunrise is at 7:00 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:22 pm AST.
Sunshine
The average sunshine in January is 9.3h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 7 in January translates into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Caution! The mirror effect of sand and water ups the UV radiation strength.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rincon, PR
- Average high temperature in January: 80.4°F
The warmest month (with the highest average high temperature) is September (84.9°F).
The month with the lowest average high temperature is March (80.2°F).
- Average low temperature in January: 74.8°F
The month with the highest average low temperature is August (79.9°F).
The coldest month (with the lowest average low temperature) is March (74.3°F).
Average pressure in January
Rincon, PR
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is January (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in January
Rincon, PR
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is December (11.2mph).
The calmest month (with the lowest average wind speed) is October (7.7mph).
Average humidity in January
Rincon, PR
- Average humidity in January: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in January
Rincon, PR
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is September (3.9").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Rincon, PR
- Average rainfall days in January: 14.8 days
The month with the highest number of rainy days is May (24.5 days).
The month with the least rainy days is February (14.4 days).
Average sea temperature in January
Rincon, PR
- Average sea temperature in January: 79.9°F
The best month for swimming (with the highest average sea temperature) is September (84.9°F).
The coldest month (with the lowest average sea temperature) is February (79.2°F).
Average daylight in January /
Average sunshine in January
Rincon, PR
- Average daylight in January: 11h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in January: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in January
Rincon, PR
- Average sunshine days in January: 11.5 days
The month with the most sunshine days is January (11.5 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in January
Rincon, PR
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in January
Rincon, PR
- Average cloud cover in January: 21
The month with the most cloud cover is May (Cloud cover 29).
The months with the least cloud cover are January and February (Cloud cover 21).
Average visibility in January
Rincon, PR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





