January weather forecastCabo Rojo, PR

January

Weather in January

Cabo Rojo welcomes the new year with mildly warm weather. The city experiences rain, but it is moderate, with rainfall reaching 0.67" (17mm). Rarely does the weather disrupt the day-to-day life of individuals residing in the city or those looking forward to enjoying New Year vacation. Cabo Rojo is known for its consistency in weather, setting a comforting tone for the rest of the year.

Temperature

In Cabo Rojo, Puerto Rico, the month of January registers the lowest temperatures, averaging 81.3°F (27.4°C) at the peak and 73.8°F (23.2°C) at the lowest.

Heat index

January's mean heat index is calculated to be a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in January in Cabo Rojo is 76%.

Rainfall

The month with the least rainfall is January, when the rain falls for 13.5 days and typically collects 0.67" (17mm) of precipitation.

Daylight

The average length of the day in January is 11h and 11min.
On the first day of January, sunrise is at 6:59 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:22 pm AST.

Sunshine

In Cabo Rojo, the average sunshine in January is 9.4h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in January transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Cabo Rojo experiences its lowest temperatures in January, with an average peak of 81.3°F (27.4°C) and a low of 73.8°F (23.2°C).

In Cabo Rojo, in January, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 73.8°F (23.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in January is calculated to be 86°F (30°C).

In Cabo Rojo, the average relative humidity in January is 76%.

The month with the least rainfall is January, when the rain falls for 13.5 days and typically collects 0.67" (17mm) of precipitation.

In Cabo Rojo, in January, during 13.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

In Cabo Rojo, the average day length in January is 11h and 11min.

In January, on the first day of the month, sunrise is at 6:59 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:22 pm AST.

The average sunshine duration in January is 9.4h.

January, February and December, with an average maximum UV index of 6, are months with the lowest UV index.

In January, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

82.8°F

81.3°F

81.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9mph

9.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.4

13.5

9.3

Average UV index

Average cloud cover

20%

Average visibility

6mi

Average temperature in January
Cabo Rojo, PR

Average high temperature in January: 81.3°F

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is January (81.3°F).

Average low temperature in January: 73.8°F

The months with the highest average low temperature are July and August (78.8°F).
The coldest month (with the lowest average low temperature) is February (73.4°F).

Average pressure in January
Cabo Rojo, 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
Cabo Rojo, PR

Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is July (8.7mph).
The calmest months (with the lowest average wind speed) are October and November (7mph).

Average humidity in January
Cabo Rojo, PR

Average humidity in January: 76%

The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is March (74%).

Average rainfall in January
Cabo Rojo, PR

Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in January
Cabo Rojo, PR

Average rainfall days in January: 13.5 days

The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (13.5 days).

Average daylight in January /
Average sunshine in January
Cabo Rojo, 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 24min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).

Average sunshine days in January
Cabo Rojo, PR

Average sunshine days in January: 13.5 days

The month with the most sunshine days is January (13.5 days).
The month with the least sunshine days is May (4.7 days).

Average UV index in January
Cabo Rojo, PR

Average UV index in January: 6

The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February and December (UV index 6).

Average cloud cover in January
Cabo Rojo, PR

Average cloud cover in January: 20

The month with the most cloud cover is May (Cloud cover 28).
The months with the least cloud cover are January, February and December (Cloud cover 20).

Average visibility in January
Cabo Rojo, 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).