December weather forecastBernabé Rivera, Uruguay

December

Weather in December

December, the first month of the summer in Bernabé Rivera, is a hot month, with an average temperature ranging between min 18.7°C (65.7°F) and max 30.7°C (87.3°F).

Temperature

Upon the beginning of December, Bernabé Rivera's high-temperatures register at a hot 30.7°C (87.3°F), closely mirroring the preceding month. Bernabé Rivera experiences a consistent, yet significant, drop from daily highs to a low-temperature of 18.7°C (65.7°F) throughout December.

Heat index

In December, the heat index is calculated to be a tropical 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

January and December, with an average relative humidity of 61%, are the least humid months.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 98mm (3.86") of precipitation is accumulated. In Bernabé Rivera, Uruguay, during the entire year, the rain falls for 132.8 days and collects up to 952mm (37.48") of precipitation.

Daylight

December has the longest days of the year in Bernabé Rivera, with an average of 14h and 6min of daylight.
On the first day of December, sunrise is at 05:38 and sunset at 19:35. On the last day of the month, sunrise is at 05:49 and sunset at 19:53 -03.

Sunshine

The month with the most sunshine is December, with an average of 9h of sunshine.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

The high-temperature during December is 30.7°C (87.3°F) and the low-temperature is 18.7°C (65.7°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in December is calculated to be 34°C (93.2°F).

January and December, with an average relative humidity of 61%, are the least humid months in Bernabé Rivera.

The average relative humidity in December is 61%.

In December, the rain falls for 11.8 days. Throughout December, 98mm (3.86") of precipitation is accumulated.

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

In December, the average day length is 14h and 4min.

In December, on the first day of the month, sunrise is at 05:38 and sunset at 19:35. On the last day of the month, sunrise is at 05:49 and sunset at 19:53 -03.

With an average of 9h of sunshine, December has the most sunshine of the year.

The average sunshine duration in December is 9h.

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

In Bernabé Rivera, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bernabé Rivera, Uruguay

  • Average high temperature in December: 30.7°C

The warmest month (with the highest average high temperature) is January (31.6°C).
The month with the lowest average high temperature is July (17°C).

  • Average low temperature in December: 18.7°C

The month with the highest average low temperature is January (20.5°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).

Average pressure in December
Bernabé Rivera, Uruguay

  • Average pressure in December: 1009.9mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).

Average wind speed in December
Bernabé Rivera, Uruguay

  • Average wind speed in December: 15.2km/h

The windiest month (with the highest average wind speed) is October (17.4km/h).
The calmest month (with the lowest average wind speed) is April (13.6km/h).

Average humidity in December
Bernabé Rivera, Uruguay

  • Average humidity in December: 61%

The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January and December (61%).

Average rainfall in December
Bernabé Rivera, Uruguay

  • Average rainfall in December: 98mm

The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is August (54mm).

Average rainfall days in December
Bernabé Rivera, Uruguay

  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is January (13.1 days).
The month with the least rainy days is August (9.3 days).

Average daylight in December /
Average sunshine in December
Bernabé Rivera, Uruguay

  • Average daylight in December: 14h and 6min

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: 9h

The month with the most sunshine is December (Average sunshine: 9h).
The month with the least sunshine is May (Average sunshine: 7h).

Average sunshine days in December
Bernabé Rivera, Uruguay

  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (15.4 days).

Average UV index in December
Bernabé Rivera, 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).

Average cloud cover in December
Bernabé Rivera, Uruguay

  • Average cloud cover in December: 24

The month with the most cloud cover is May (Cloud cover 40).
The month with the least cloud cover is November (Cloud cover 23).

Average visibility in December
Bernabé Rivera, Uruguay

  • Average visibility in December: 10km

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