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
As January unfolds, the average high-temperature reaches a still warm 79.3°F (26.3°C), hinting at a slight fluctuation from the previous month. In January, a low-temperature average of 76.3°F (24.6°C) is characteristic of Naguabo, marking a minor shift from daytime temperatures.Humidity
In Naguabo, the average relative humidity in January is 77%.Rainfall
In Naguabo, during January, the rain falls for 15.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Naguabo, there are 216 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Daylight
In Naguabo, the average length of the day in January is 11h and 11min.On the first day of January, sunrise is at 6:54 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:16 pm AST.
Sunshine
In Naguabo, the average sunshine in January is 8.4h.UV index
January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in January translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the average humidity in January in Naguabo?
How many days does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the highest UV index?
How high is the UV index in January?
Average temperature in January
Naguabo, PR
- Average high temperature in January: 79.3°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is March (79°F).
- Average low temperature in January: 76.3°F
The months with the highest average low temperature are September and October (80.8°F).
The coldest months (with the lowest average low temperature) are February and March (75.7°F).
Average pressure in January
Naguabo, PR
- Average pressure in January: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in January
Naguabo, PR
- Average wind speed in January: 11.5mph
The windiest month (with the highest average wind speed) is July (12mph).
The calmest month (with the lowest average wind speed) is October (8.6mph).
Average humidity in January
Naguabo, PR
- Average humidity in January: 77%
The months with the highest relative humidity are May, June, July and August (79%).
The months with the lowest relative humidity are February and March (76%).
Average rainfall in January
Naguabo, PR
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in January
Naguabo, PR
- Average rainfall days in January: 15.5 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (13.8 days).
Average daylight in January /
Average sunshine in January
Naguabo, 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in January
Naguabo, PR
- Average sunshine days in January: 7.6 days
The month with the most sunshine days is March (10 days).
The month with the least sunshine days is November (4.9 days).
Average UV index in January
Naguabo, PR
- Average UV index in January: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in January
Naguabo, PR
- Average cloud cover in January: 37
The months with the most cloud cover are May and July (Cloud cover 40).
The months with the least cloud cover are February, September and October (Cloud cover 33).
Average visibility in January
Naguabo, 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).
Naguabo, Puerto Rico, USA
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