Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Jayuya's coldest month, January, registers temperatures that range from a high of 81°F (27.2°C) to a low of 71.2°F (21.8°C).Heat index
The average heat index in January is estimated at a hot 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
The average relative humidity in January is 79%.Rainfall
In Jayuya, in January, it is raining for 16.2 days, with typically 0.91" (23mm) of accumulated precipitation. In Jayuya, during the entire year, the rain falls for 249.1 days and collects up to 28.82" (732mm) of precipitation.Daylight
In Jayuya, Puerto Rico, the average length of the day in January is 11h and 11min.On the first day of January, sunrise is at 6:57 am and sunset at 6:01 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:19 pm AST.
Sunshine
The average sunshine in January is 9.1h.UV index
January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a daily UV index of 6 turns into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Jayuya, PR
- Average high temperature in January: 81°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°F).
- Average low temperature in January: 71.2°F
The month with the highest average low temperature is August (76.6°F).
The coldest months (with the lowest average low temperature) are February and March (70.9°F).
Average pressure in January
Jayuya, PR
- Average pressure in January: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The months with the lowest atmospheric pressure are October and November (29.9"Hg).
Average wind speed in January
Jayuya, 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 (5.5mph).
Average humidity in January
Jayuya, PR
- Average humidity in January: 79%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is March (76%).
Average rainfall in January
Jayuya, PR
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Jayuya, PR
- Average rainfall days in January: 16.2 days
The month with the highest number of rainy days is October (24.8 days).
The month with the least rainy days is February (15 days).
Average daylight in January /
Average sunshine in January
Jayuya, PR
- Average daylight in January: 11h and 1min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in January
Jayuya, PR
- Average sunshine days in January: 7.4 days
The month with the most sunshine days is March (7.6 days).
The month with the least sunshine days is October (2.6 days).
Average UV index in January
Jayuya, PR
- Average UV index in January: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in January
Jayuya, PR
- Average cloud cover in January: 27
The month with the most cloud cover is May (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in January
Jayuya, 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).
Jayuya, Puerto Rico, USA
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