December weather forecast
Arroyo Arriba, Dominican Republic

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Weather in December

December, the first month of the winter in Arroyo Arriba, is also a moderately hot month, with an average temperature ranging between min 16.3°C (61.3°F) and max 25.6°C (78.1°F).

Temperature

December reports an average high-temperature of a still warm 25.6°C (78.1°F), slightly varied from November's 26.7°C (80.1°F). Arroyo Arriba encounters a steady low-temperature average of 16.3°C (61.3°F) throughout the month of December.

Humidity

In Arroyo Arriba, the average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 18.6 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Arroyo Arriba, Dominican Republic, during the entire year, the rain falls for 248.2 days and collects up to 1018mm (40.08") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 0min of daylight.
On the first day of December, sunrise is at 07:00 and sunset at 18:04. On the last day of the month, sunrise is at 07:15 and sunset at 18:16 AST.

Sunshine

The average sunshine in December in Arroyo Arriba is 7.7h.

UV index

January, February, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Arroyo Arriba, Dominican Republic. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 during December translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the temperature in December in Arroyo Arriba?

The high-temperature, in December, in Arroyo Arriba, records 25.6°C (78.1°F), while the low-temperature is 16.3°C (61.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in October is computed to be 33°C (91.4°F).

What is the average humidity in December in Arroyo Arriba?

In December, the average relative humidity in Arroyo Arriba is 85%.

How much does it rain in Arroyo Arriba in December?

In Arroyo Arriba, Dominican Republic, in December, during 18.6 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

What is the month with the shortest days in Arroyo Arriba?

With an average of 11h and 0min of daylight, December has the shortest days of the year in Arroyo Arriba, Dominican Republic.

How many hours of daylight does Arroyo Arriba have in December?

In Arroyo Arriba, the average day length in December is 11h and 1min.

When are sunrise and sunset in December in Arroyo Arriba?

On the first day of December, sunrise is at 07:00 and sunset at 18:04. On the last day of the month, sunrise is at 07:15 and sunset at 18:16 AST.

How many hours of sunshine does Arroyo Arriba have in December?

The average sunshine duration in December in Arroyo Arriba, Dominican Republic, is 7.7h.

What is the month with the lowest UV index in Arroyo Arriba?

The months with the lowest UV index in Arroyo Arriba, Dominican Republic, are January, February, November and December, with an average maximum UV index of 5.

How high is the UV index in December in Arroyo Arriba?

The average daily maximum UV index in December in Arroyo Arriba is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Arroyo Arriba, Dominican Republic

Average temperature in December - Arroyo Arriba, Dominican Republic
  • Average high temperature in December: 25.6°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (25.4°C).

  • Average low temperature in December: 16.3°C

The month with the highest average low temperature is October (19°C).
The coldest months (with the lowest average low temperature) are January and February (15.4°C).

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Average pressure in December
Arroyo Arriba, Dominican Republic

Average pressure in December - Arroyo Arriba, Dominican Republic
  • Average pressure in December: 1016mbar

The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is October (1013mbar).

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Average wind speed in December
Arroyo Arriba, Dominican Republic

Average wind speed in December - Arroyo Arriba, Dominican Republic
  • Average wind speed in December: 4.8km/h

The windiest months (with the highest average wind speed) are June and July (6km/h).
The calmest month (with the lowest average wind speed) is November (4.6km/h).

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Average humidity in December
Arroyo Arriba, Dominican Republic

Average humidity in December - Arroyo Arriba, Dominican Republic
  • Average humidity in December: 85%

The month with the highest relative humidity is November (86%).
The months with the lowest relative humidity are March and August (82%).

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Average rainfall in December
Arroyo Arriba, Dominican Republic

Average rainfall in December - Arroyo Arriba, Dominican Republic
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is May (185mm).
The driest month (with the least rainfall) is February (34mm).

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Average rainfall days in December
Arroyo Arriba, Dominican Republic

Average rainfall days in December - Arroyo Arriba, Dominican Republic
  • Average rainfall days in December: 18.6 days

The month with the highest number of rainy days is May (24.7 days).
The month with the least rainy days is February (15.7 days).

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Average daylight in December /
Average sunshine in December
Arroyo Arriba, Dominican Republic

Average daylight in December / Average sunshine in December - Arroyo Arriba, Dominican Republic
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 7h and 4min

The months with the most sunshine are June, August and September (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).

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Average sunshine days in December
Arroyo Arriba, Dominican Republic

Average sunshine days in December - Arroyo Arriba, Dominican Republic
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is January (9.5 days).
The month with the least sunshine days is April (4.3 days).

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Average UV index in December
Arroyo Arriba, Dominican Republic

Average UV index in December - Arroyo Arriba, Dominican Republic
  • Average UV index in December: 5

The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 5).

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Average cloud cover in December
Arroyo Arriba, Dominican Republic

Average cloud cover in December - Arroyo Arriba, Dominican Republic
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 41).

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Average visibility in December
Arroyo Arriba, Dominican Republic

Average visibility in December - Arroyo Arriba, Dominican Republic
  • Average visibility in December: 7km

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

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Arroyo Arriba, Dominican Republic

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