January weather forecastCulebra, PR
January
Weather in January
The weather in Culebra, Puerto Rico, USA, commences the year with noticeable stability. January experiences somewhat high humidity, making the days feel hotter. The sea temperature lingers close to the average land temperature, offering a pleasant beach experience. There's moderate rainfall with 21.2 days of rain amounting to 1.54" (39mm) and stronger winds blowing at an average of 14.5mph (23.3km/h). While there is a fair amount of sunshine, it's limited compared to the coming months.Temperature
The transition into January marks the average high-temperature at a still moderately hot 79.3°F (26.3°C), differing minimally from December's 80.6°F (27°C). Culebra's nighttime temperature in January shows a minor descent, with a steady average of 77.4°F (25.2°C).Humidity
The months with the lowest humidity are January through March, October through December, with an average relative humidity of 75%.Rainfall
In Culebra, in January, during 21.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Ocean temperature
In Culebra, the average seawater temperature in January is 79.5°F (26.4°C).Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.
Daylight
The average length of the day in January is 11h and 11min.On the first day of January in Culebra, sunrise is at 6:52 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:14 pm AST.
Sunshine
In Culebra, the average sunshine in January is 8.1h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 7 during January morphs into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Culebra, PR
- Average high temperature in January: 79.3°F
The warmest month (with the highest average high temperature) is September (84°F).
The month with the lowest average high temperature is March (78.4°F).
- Average low temperature in January: 77.4°F
The month with the highest average low temperature is October (81.5°F).
The coldest month (with the lowest average low temperature) is March (75.7°F).
Average pressure in January
Culebra, PR
- Average pressure in January: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The months with the lowest atmospheric pressure are October and November (29.91"Hg).
Average wind speed in January
Culebra, PR
- Average wind speed in January: 14.5mph
The windiest month (with the highest average wind speed) is July (15mph).
The calmest month (with the lowest average wind speed) is October (11.1mph).
Average humidity in January
Culebra, PR
- Average humidity in January: 75%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March, October, November and December (75%).
Average rainfall in January
Culebra, PR
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in January
Culebra, PR
- Average rainfall days in January: 21.2 days
The month with the highest number of rainy days is November (25.5 days).
The months with the least rainy days are February, March and June (18.2 days).
Average sea temperature in January
Culebra, PR
- Average sea temperature in January: 79.6°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 (78.7°F).
Average daylight in January /
Average sunshine in January
Culebra, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in January
Culebra, PR
- Average sunshine days in January: 4.9 days
The months with the most sunshine days are March and April (7.3 days).
The month with the least sunshine days is November (2.4 days).
Average UV index in January
Culebra, 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
Culebra, PR
- Average cloud cover in January: 36
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility in January
Culebra, 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).





