January weather forecast
Naguabo, PR

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Weather in January

The beginning of the year in Naguabo, Puerto Rico, USA promises relatively mild weather with conducive humidity levels and sufficient sunshine duration. Average wind speeds hover around 11.5mph (18.5km/h), with a possibility of wind gusts going up to 16.5mph (26.6km/h). The skies remain partly cloudy, making for picturesque weather. There is also quite a bit of rainfall, with January experiencing15.5 days of rainfall on average. Though southerly breezes may occasionally drive the thermometer higher, temperatures in this month fluctuate between 76.3°F (24.6°C) to 79.3°F (26.3°C).

Temperature

With the arrival of January, Naguabo's average high-temperature registers at a still moderately hot 79.3°F (26.3°C), indicating a subtle variation from the previous month. The month of January shows a minor drop from daytime temperatures, generally recording a low average of 76.3°F (24.6°C).

Humidity

In Naguabo, the average relative humidity in January is 77%.

Rainfall

In Naguabo, in January, during 15.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Naguabo, there are 216 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Daylight

The average length of the day in January in Naguabo is 11h and 11min.
On the first day of the month, sunrise is at 6:54 am and sunset at 5:58 pm. On the last day of January, sunrise is at 6:56 am and sunset at 6:16 pm AST.

Sunshine

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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 7 in January translates into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the temperatures in Naguabo in January?

In Naguabo, 79.3°F (26.3°C) is the average high-temperature and 76.3°F (24.6°C) is the average low-temperature during January.

What is the average humidity in January in Naguabo?

In January, the average relative humidity in Naguabo is 77%.

How much does it rain in Naguabo in January?

In Naguabo, Puerto Rico, in January, it is raining for 15.5 days, with typically 1.14" (29mm) of accumulated precipitation.

How many hours of daylight does Naguabo have in January?

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

When are sunrise and sunset in January in Naguabo?

On the first day of January in Naguabo, 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.

How many hours of sunshine does Naguabo have in January?

In Naguabo, Puerto Rico, the average sunshine duration in January is 8.4h.

When is the highest UV index in Naguabo?

January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Naguabo.

How high is the UV index in January in Naguabo?

In Naguabo, Puerto Rico, the average daily maximum UV index in January is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in January
Naguabo, PR

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).

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Average pressure in January
Naguabo, PR

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).

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Average wind speed in January
Naguabo, PR

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).

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Average humidity in January
Naguabo, PR

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%).

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Average rainfall in January
Naguabo, PR

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").

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Average rainfall days in January
Naguabo, PR

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).

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Average daylight in January /
Average sunshine in January
Naguabo, PR

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).

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Average sunshine days in January
Naguabo, PR

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).

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Average UV index in January
Naguabo, PR

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).

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Average cloud cover in January
Naguabo, PR

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).

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Average visibility in January
Naguabo, PR

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).

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Naguabo, Puerto Rico, USA

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