January weather forecastVieques, PR
January
Weather in January
January, the same as December, is another warm winter month in Vieques, Puerto Rico, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 76.3°F (24.6°C).Temperature
January's presence marks an average high-temperature of a still moderately hot 79.3°F (26.3°C), subtly varied from December's 80.2°F (26.8°C). Vieques observes an average low-temperature of 76.3°F (24.6°C) during the slightly cooler nights of January.Humidity
The average relative humidity in January is 77%.Rainfall
In Vieques, Puerto Rico, during January, the rain falls for 15.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Vieques, during the entire year, the rain falls for 216 days and collects up to 21.5" (546mm) of precipitation.Ocean temperature
In January, the average ocean temperature is 79.5°F (26.4°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
In January, the average length of the day in Vieques is 11h and 11min.On the first day of the month, sunrise is at 6:53 am and sunset at 5:56 pm. On the last day of January, in Vieques, sunrise is at 6:54 am and sunset at 6:15 pm AST.
Sunshine
In Vieques, Puerto Rico, the average sunshine in January is 8.4h.UV index
The months with the highest UV index in Vieques are January, March through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 7 during January translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Vieques, PR
- Average high temperature in January: 79.3°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is March (79°F).
- Average low temperature in January: 76.3°F
The months with the highest average low temperature are September and October (80.8°F).
The coldest months (with the lowest average low temperature) are February and March (75.7°F).
Average pressure in January
Vieques, PR
- Average pressure in January: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in January
Vieques, PR
- Average wind speed in January: 11.5mph
The windiest month (with the highest average wind speed) is July (12mph).
The calmest month (with the lowest average wind speed) is October (8.6mph).
Average humidity in January
Vieques, PR
- Average humidity in January: 77%
The months with the highest relative humidity are May, June, July and August (79%).
The months with the lowest relative humidity are February and March (76%).
Average rainfall in January
Vieques, PR
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in January
Vieques, PR
- Average rainfall days in January: 15.5 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (13.8 days).
Average sea temperature in January
Vieques, PR
- Average sea temperature in January: 79.6°F
The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).
Average daylight in January /
Average sunshine in January
Vieques, 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: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in January
Vieques, PR
- Average sunshine days in January: 7.6 days
The month with the most sunshine days is March (10 days).
The month with the least sunshine days is November (4.9 days).
Average UV index in January
Vieques, PR
- Average UV index in January: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in January
Vieques, PR
- Average cloud cover in January: 37
The months with the most cloud cover are May and July (Cloud cover 40).
The months with the least cloud cover are February, September and October (Cloud cover 33).
Average visibility in January
Vieques, 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).





