January weather forecast
Guayacanal, Dominican Republic

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Weather in January

January, the same as December, is another warm winter month in Guayacanal, Dominican Republic, with an average temperature ranging between min 18.1°C (64.6°F) and max 27.3°C (81.1°F).

Temperature

Guayacanal experiences its lowest temperatures in January, with an average peak of 27.3°C (81.1°F) and a low of 18.1°C (64.6°F).

Heat index

The heat index value for January is evaluated at a tropical 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

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

Rainfall

The month with the least rainfall in Guayacanal is January, when the rain falls for 10.3 days and typically collects 10mm (0.39") of precipitation.

Daylight

In January, the average length of the day is 11h and 10min.
On the first day of the month, sunrise is at 07:15 and sunset at 18:18. On the last day of January, in Guayacanal, sunrise is at 07:16 and sunset at 18:36 AST.

Sunshine

January and December, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

January through May, August through December, with an average maximum UV index of 6, are months with the lowest UV index in Guayacanal. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 6 in January translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jan 27, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What part of the year is the coldest in Guayacanal?

With average high and low temperatures of 27.3°C (81.1°F) and 18.1°C (64.6°F) respectively, January is Guayacanal's coldest month.

What are January temperatures in Guayacanal?

In Guayacanal, in January, the average high-temperature is 27.3°C (81.1°F), and the average low-temperature is 18.1°C (64.6°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in January is evaluated at 30°C (86°F).

What is the average humidity in January in Guayacanal?

In Guayacanal, Dominican Republic, the average relative humidity in January is 77%.

What is the driest month in Guayacanal?

The month with the least rainfall in Guayacanal is January, when the rain falls for 10.3 days and typically collects 10mm (0.39") of precipitation.

How many days does it rain in January in Guayacanal?

In Guayacanal, in January, during 10.3 rainfall days, 10mm (0.39") of precipitation is typically accumulated.

What is the average length of the day in January in Guayacanal?

In Guayacanal, Dominican Republic, the average day length in January is 11h and 10min.

What time are sunrise and sunset in January in Guayacanal?

In January, on the first day of the month, sunrise is at 07:15 and sunset at 18:18. On the last day of the month, sunrise is at 07:16 and sunset at 18:36 AST.

What is the month with the most sunshine in Guayacanal?

January and December, with an average of 9.7h of sunshine, are months with the most sunshine in Guayacanal, Dominican Republic.

How many hours of sunshine does Guayacanal have in January?

In Guayacanal, the average sunshine duration in January is 9.7h.

When is the lowest UV index in Guayacanal?

The months with the lowest UV index in Guayacanal are January through May, August through December, with an average maximum UV index of 6.

How high is the UV index in January in Guayacanal?

In Guayacanal, the average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in January
Guayacanal, Dominican Republic

Average temperature in January - Guayacanal, Dominican Republic
  • Average high temperature in January: 27.3°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in January: 18.1°C

The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (18.1°C).

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Average pressure in January
Guayacanal, Dominican Republic

Average pressure in January - Guayacanal, Dominican Republic
  • Average pressure in January: 1016.7mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).

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Average wind speed in January
Guayacanal, Dominican Republic

Average wind speed in January - Guayacanal, Dominican Republic
  • Average wind speed in January: 8.5km/h

The windiest month (with the highest average wind speed) is July (9.5km/h).
The calmest month (with the lowest average wind speed) is October (7.1km/h).

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Average humidity in January
Guayacanal, Dominican Republic

Average humidity in January - Guayacanal, Dominican Republic
  • Average humidity in January: 77%

The months with the highest relative humidity are June and October (78%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in January
Guayacanal, Dominican Republic

Average rainfall in January - Guayacanal, Dominican Republic
  • Average rainfall in January: 10mm

The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is January (10mm).

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Average rainfall days in January
Guayacanal, Dominican Republic

Average rainfall days in January - Guayacanal, Dominican Republic
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is May (23.9 days).
The month with the least rainy days is February (9.8 days).

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Average daylight in January /
Average sunshine in January
Guayacanal, Dominican Republic

Average daylight in January / Average sunshine in January - Guayacanal, Dominican Republic
  • 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 0min).

  • Average sunshine in January: 9h and 4min

The months with the most sunshine are January and December (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 9h and 6min).

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Average sunshine days in January
Guayacanal, Dominican Republic

Average sunshine days in January - Guayacanal, Dominican Republic
  • Average sunshine days in January: 15.5 days

The month with the most sunshine days is December (16.5 days).
The month with the least sunshine days is May (4.4 days).

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Average UV index in January
Guayacanal, Dominican Republic

Average UV index in January - Guayacanal, Dominican Republic
  • Average UV index in January: 6

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

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Average cloud cover in January
Guayacanal, Dominican Republic

Average cloud cover in January - Guayacanal, Dominican Republic
  • Average cloud cover in January: 16

The months with the most cloud cover are April and May (Cloud cover 28).
The months with the least cloud cover are January and December (Cloud cover 16).

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Average visibility in January
Guayacanal, Dominican Republic

Average visibility in January - Guayacanal, Dominican Republic
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are May and October (9km).

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Guayacanal, Dominican Republic

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