January weather forecastAdjuntas, PR
January
Weather in January
January witnesses a gentle start to the year in Adjuntas, Puerto Rico, with a soothing balance between warmth and moisture. The range of climatic conditions—relative humidity of 77%, average high temperatures of 81.9°F (27.7°C), and average low temperatures of 72°F (22.2°C)—crafts an inviting weather. Notably, this month records a lower rainfall of 0.71" (18mm) across 15.6 days, providing plenty of days for exploring the beauty of the city. The daylight lasts 11.2 hours, offering copious amounts of sunshine for outdoor activities. The mild breeze at 7mph (11.3km/h) adds comfort to the overall pleasant mood of January.Temperature
January proves to be the coldest month, recording an average maximum temperature of 81.9°F (27.7°C) and a minimum temperature of 72°F (22.2°C).Heat index
January's mean heat index is appraised at a hot 87.8°F (31°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Consider that heat index readings are for situations in the shade and light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Adjuntas, 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
January through August, October through December are months without snowfall in Adjuntas.Daylight
The average length of the day in January is 11h and 11min.On the first day of January, sunrise is at 6:58 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:20 pm AST.
Sunshine
In Adjuntas, the average sunshine in January is 9.3h.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Adjuntas. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 in January translates into this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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 daylight in January /
Average sunshine in January
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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
Adjuntas, 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).
