January weather forecastGuánica, PR
January
Weather in January
The first month of the year in Guánica, Puerto Rico, begins the dry season with manageable rainfall and overall pleasant temperatures. Evenings here are comfortable with the lowest temperature dipping no lower than 72°F (22.2°C). Sun seekers will enjoy about 11.2 hours of daylight with approximately 9.3 hours of sunshine. January also holds moderate UV levels with a UV index of 6, making it an excellent time for outdoor activities without severe sunburn risks. Despite the temperate climatic conditions, beach-goers should note that the seawater temperature might be slightly chilly, posing discomfort for extended swimming sessions, especially for those accustomed to warmer waters.Temperature
January is the coldest month, with the temperature often reaching an average high of 81.9°F (27.7°C) and an average low of 72°F (22.2°C).Heat index
In January, the average heat index is calculated to be a hot 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in January is 77%.Rainfall
The month with the least rainfall is January, when the rain falls for 15.6 days and typically collects 0.71" (18mm) of precipitation.Snowfall
In Guánica, snow does not fall in January through August, October through December.Ocean temperature
In January, the average ocean temperature is 80.1°F (26.7°C).Note: Swimming, diving, and other activities in water temperatures between 77°F (25°C) and 84.2°F (29°C) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.
Daylight
In Guánica, the average length of the day in January is 11h and 12min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:03 pm. On the last day of January, sunrise is at 7:00 am and sunset at 6:21 pm AST.
Sunshine
In January, the average sunshine is 9.3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during January translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Guánica, PR
- Average high temperature in January: 81.9°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (81.9°F).
- Average low temperature in January: 72°F
The months with the highest average low temperature are July, August and October (76.6°F).
The coldest month (with the lowest average low temperature) is March (71.4°F).
Average pressure in January
Guánica, PR
- Average pressure in January: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.89"Hg).
Average wind speed in January
Guánica, PR
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is July (8mph).
The calmest month (with the lowest average wind speed) is November (5.6mph).
Average humidity in January
Guánica, PR
- Average humidity in January: 77%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is March (75%).
Average rainfall in January
Guánica, PR
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in January
Guánica, PR
- Average rainfall days in January: 15.6 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).
Average snowfall days in January
Guánica, PR
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature in January
Guánica, PR
- Average sea temperature in January: 80°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 (79.1°F).
Average daylight in January /
Average sunshine in January
Guánica, 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 18min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in January
Guánica, PR
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is November (5.1 days).
Average UV index in January
Guánica, PR
- Average UV index in January: 6
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover in January
Guánica, PR
- Average cloud cover in January: 22
The month with the most cloud cover is May (Cloud cover 30).
The months with the least cloud cover are January and February (Cloud cover 22).
Average visibility in January
Guánica, 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).
