January weather forecast
Rio Arriba, Dominican Republic

January

Weather in January

January, like December, in Rio Arriba, Dominican Republic, is a moderately hot winter month, with an average temperature varying between 27.6°C (81.7°F) and 20.3°C (68.5°F).

Temperature

Rio Arriba records the coldest temperatures in January, averaging a high of 27.6°C (81.7°F) and a low of 20.3°C (68.5°F).

Heat index

The heat index value during January is evaluated at a tropical 31°C (87.8°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Rio Arriba, Dominican Republic, the average relative humidity in January is 80%.

Rainfall

The month with the least rainfall in Rio Arriba is January, when the rain falls for 7.3 days and typically collects 9mm (0.35") of precipitation.

Daylight

In January, the average length of the day in Rio Arriba is 11h and 11min.
On the first day of the month, sunrise is at 07:13 and sunset at 18:16. On the last day of January, sunrise is at 07:14 and sunset at 18:34 AST.

Sunshine

The average sunshine in January is 9.3h.

UV index

January through April, August, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Rio Arriba. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What part of the year is the coldest in Rio Arriba?
Rio Arriba, Dominican Republic, witnesses the coldest weather in January, with temperatures averaging a high of 27.6°C (81.7°F) and a low of 20.3°C (68.5°F).
What is the temperature in January in Rio Arriba?
In January, the average high-temperature and low-temperature are 27.6°C (81.7°F) and 20.3°C (68.5°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in January is evaluated at 31°C (87.8°F).
What is the average humidity in January in Rio Arriba?
The average relative humidity in January is 80%.
What is the driest month in Rio Arriba?
January is the month with the least rainfall in Rio Arriba. Rain falls for 7.3 days and accumulates 9mm (0.35") of precipitation.
How many days does it rain in January in Rio Arriba?
In Rio Arriba, during January, the rain falls for 7.3 days and regularly aggregates up to 9mm (0.35") of precipitation.
What is the average length of the day in January in Rio Arriba?
In January, the average day length in Rio Arriba, Dominican Republic, is 11h and 11min.
When are sunrise and sunset in January in Rio Arriba?
In January, on the first day of the month, sunrise is at 07:13 and sunset at 18:16. On the last day of the month, in Rio Arriba, sunrise is at 07:14 and sunset at 18:34 AST.
How long on average sun shines in January in Rio Arriba?
In January, the average sunshine duration in Rio Arriba is 9.3h.
What are the months with the lowest UV index in Rio Arriba?
The months with the lowest UV index in Rio Arriba are January through April, August, November and December, with an average maximum UV index of 6.
How high is the UV index in January in Rio Arriba?
In January, the average daily maximum UV index in Rio Arriba, Dominican Republic, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Rio Arriba, Dominican Republic
  • Average high temperature in January: 27.6°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in January: 20.3°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).

Average pressure in January
Rio Arriba, 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 (1012.6mbar).

Average wind speed in January
Rio Arriba, Dominican Republic
  • Average wind speed in January: 11km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

Average humidity in January
Rio Arriba, Dominican Republic
  • Average humidity in January: 80%

The months with the highest relative humidity are September, October, November and December (81%).
The month with the lowest relative humidity is March (77%).

Average rainfall in January
Rio Arriba, Dominican Republic
  • Average rainfall in January: 9mm

The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in January
Rio Arriba, Dominican Republic
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

Average daylight in January /
Average sunshine in January
Rio Arriba, 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 6min).

  • Average sunshine in January: 9h and 2min

The months with the most sunshine are September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).

Average sunshine days in January
Rio Arriba, Dominican Republic
  • Average sunshine days in January: 22.7 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in January
Rio Arriba, Dominican Republic
  • Average UV index in January: 6

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

Average cloud cover in January
Rio Arriba, Dominican Republic
  • Average cloud cover in January: 26

The month with the most cloud cover is May (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in January
Rio Arriba, Dominican Republic
  • Average visibility in January: 9km

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

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