December weather forecast
Oliva, Argentina

December

Weather in December

December, the first month of the summer in Oliva, is a hot month, with an average temperature varying between 31.5°C (88.7°F) and 18.7°C (65.7°F).

Temperature

The arrival of December brings an average high-temperature of a tropical 31.5°C (88.7°F), subtly diverging from November's 28.8°C (83.8°F). Oliva's average low-temperature for the month of December denotes a significant decline from the daily high, recording at an enjoyable 18.7°C (65.7°F).

Heat index

In December, the heat index is computed to be a tropical 33°C (91.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The least humid month in Oliva is December, with an average relative humidity of 48%.

Rainfall

In December, in Oliva, the rain falls for 11.7 days. Throughout December, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 103.7 rainfall days, and 427mm (16.81") of precipitation is accumulated.

Daylight

With an average of 14h and 12min of daylight, December has the longest days of the year in Oliva, Argentina.
On the first day of December, sunrise is at 06:00 and sunset at 20:06. On the last day of the month, sunrise is at 06:11 and sunset at 20:23 -03.

Sunshine

In December, the average sunshine is 9.3h.

UV index

December is the month with the highest UV index, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

How hot is December in Oliva?
The average high-temperature, in December, in Oliva, is 31.5°C (88.7°F), while the average low-temperature is 18.7°C (65.7°F). In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 33°C (91.4°F).
What is the least humid month in Oliva?
December is the least humid month, with an average relative humidity of 48%.
What is the average humidity in December in Oliva?
In Oliva, the average relative humidity in December is 48%.
How much does it rain in Oliva in December?
In Oliva, Argentina, in December, during 11.7 rainfall days, 57mm (2.24") of precipitation is typically accumulated.
When are the longest days in Oliva?
December has the longest days of the year in Oliva, Argentina, with an average of 14h and 12min of daylight.
What is the average length of the day in December in Oliva?
The average day length in December in Oliva, Argentina, is 14h and 13min.
When is the sunrise / sunset in December in Oliva?
On the first day of December, sunrise is at 06:00 and sunset at 20:06. On the last day of the month, sunrise is at 06:11 and sunset at 20:23 -03.
How many hours of sunshine does Oliva have in December?
In Oliva, Argentina, the average sunshine duration in December is 9.3h.
When is the highest UV index in Oliva?
The month with the highest UV index in Oliva is December, with an average maximum UV index of 7.
What is the UV index intensity in December in Oliva?
The average daily maximum UV index in December in Oliva is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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 December
Oliva, Argentina
  • Average high temperature in December: 31.5°C

The warmest month (with the highest average high temperature) is January (32.8°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in December: 18.7°C

The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (6.9°C).

Average pressure in December
Oliva, Argentina
  • Average pressure in December: 1010.3mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).

Average wind speed in December
Oliva, Argentina
  • Average wind speed in December: 13.9km/h

The windiest month (with the highest average wind speed) is September (16km/h).
The calmest month (with the lowest average wind speed) is February (12.2km/h).

Average humidity in December
Oliva, Argentina
  • Average humidity in December: 48%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is December (48%).

Average rainfall in December
Oliva, Argentina
  • Average rainfall in December: 57mm

The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in December
Oliva, Argentina
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is November (12.9 days).
The month with the least rainy days is August (2.6 days).

Average daylight in December /
Average sunshine in December
Oliva, Argentina
  • Average daylight in December: 14h and 1min

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

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 0min).

Average sunshine days in December
Oliva, Argentina
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is November (15 days).

Average UV index in December
Oliva, Argentina
  • Average UV index in December: 7

The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).

Average cloud cover in December
Oliva, Argentina
  • Average cloud cover in December: 20

The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Oliva, Argentina
  • Average visibility in December: 10km

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

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