December weather forecast
Belen, Uruguay

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Weather in December

The first month of the summer, December, is also a moderately hot month in Belen, Uruguay, with an average temperature varying between 29.9°C (85.8°F) and 18.4°C (65.1°F).

Temperature

In Belen, the average high-temperature in December slightly increases from a warm 26.7°C (80.1°F) in November to a still moderately hot 29.9°C (85.8°F). Nighttime temperature experiences an average drop to a refreshing 18.4°C (65.1°F) in December.

Heat index

In December, the heat index is calculated to be a tropical 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in December is 64%.

Rainfall

In Belen, during December, the rain falls for 11.5 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, there are 117.3 rainfall days, and 856mm (33.7") of precipitation is accumulated.

Snowfall

January through August, October through December are months without snowfall.

Daylight

The month with the longest days is December, with an average of 14h and 6min of daylight.
On the first day of December, sunrise is at 05:40 and sunset at 19:40. On the last day of the month, sunrise is at 05:51 and sunset at 19:57 -03.

Sunshine

With an average of 10.9h of sunshine, December has the most sunshine of the year.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 7 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is it in Belen in December?

During December, Belen experiences an average high-temperature of 29.9°C (85.8°F) and a low-temperature of 18.4°C (65.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in December is calculated to be 33°C (91.4°F).

What is the average humidity in December in Belen?

In December, the average relative humidity is 64%.

How many days does it rain in December in Belen?

In December, in Belen, the rain falls for 11.5 days. Throughout December, 81mm (3.19") of precipitation is accumulated.

When it does not snow in Belen?

In Belen, snow does not fall in January through August, October through December.

When are the longest days in Belen?

The month with the longest days in Belen is December, with an average of 14h and 6min of daylight.

What is the average length of the day in December in Belen?

In December, the average day length is 14h and 6min.

When is the sunrise / sunset in December in Belen?

In December, on the first day of the month, sunrise is at 05:40 and sunset at 19:40. On the last day of the month, in Belen, Uruguay, sunrise is at 05:51 and sunset at 19:57 -03.

What month has the most sunshine in Belen?

With an average of 10.9h of sunshine, December has the most sunshine of the year in Belen.

How many hours of sunshine does Belen have in December?

In December, the average sunshine duration in Belen is 10.9h.

When is the highest UV index in Belen?

The months with the highest UV index in Belen are January and December, with an average maximum UV index of 7.

How high is the UV index in December in Belen?

In Belen, Uruguay, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Belen, Uruguay

Average temperature in December - Belen, Uruguay
  • Average high temperature in December: 29.9°C

The warmest month (with the highest average high temperature) is January (31.9°C).
The month with the lowest average high temperature is July (15.9°C).

  • Average low temperature in December: 18.4°C

The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

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Average pressure in December
Belen, Uruguay

Average pressure in December - Belen, Uruguay
  • Average pressure in December: 1010.3mbar

The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).

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Average wind speed in December
Belen, Uruguay

Average wind speed in December - Belen, Uruguay
  • Average wind speed in December: 10.9km/h

The windiest months (with the highest average wind speed) are August and October (12.8km/h).
The calmest month (with the lowest average wind speed) is April (10.3km/h).

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Average humidity in December
Belen, Uruguay

Average humidity in December - Belen, Uruguay
  • Average humidity in December: 64%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is January (60%).

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Average rainfall in December
Belen, Uruguay

Average rainfall in December - Belen, Uruguay
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is January (109mm).
The driest month (with the least rainfall) is April (42mm).

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Average rainfall days in December
Belen, Uruguay

Average rainfall days in December - Belen, Uruguay
  • Average rainfall days in December: 11.5 days

The months with the highest number of rainy days are October and December (11.5 days).
The month with the least rainy days is August (8.2 days).

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Average snowfall in December
Belen, Uruguay

Average snowfall in December - Belen, Uruguay
  • Average snowfall in December: 0mm

The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).

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Average snowfall days in December
Belen, Uruguay

Average snowfall days in December - Belen, Uruguay
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Belen, Uruguay

Average daylight in December / Average sunshine in December - Belen, Uruguay
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in December: 10h and 5min

The month with the most sunshine is December (Average sunshine: 10h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 36min).

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Average sunshine days in December
Belen, Uruguay

Average sunshine days in December - Belen, Uruguay
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is February (16.9 days).

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Average UV index in December
Belen, Uruguay

Average UV index in December - Belen, Uruguay
  • Average UV index in December: 7

The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is May (UV index 3).

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Average cloud cover in December
Belen, Uruguay

Average cloud cover in December - Belen, Uruguay
  • Average cloud cover in December: 21

The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is December (Cloud cover 21).

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Average visibility in December
Belen, Uruguay

Average visibility in December - Belen, Uruguay
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is May (8km).

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Belen, Uruguay

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