December weather forecastBuchanan, Argentina

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Buchanan, Argentina, with an average temperature varying between 16.2°C (61.2°F) and 29.3°C (84.7°F).

Temperature

December's arrival brings a modest temperature shift, moving from 25°C (77°F) in November to a still moderately hot 29.3°C (84.7°F). The anticipated average low-temperature for December, a comfortable 16.2°C (61.2°F), shows a substantial deviation from the daytime maximums.

Heat index

The heat index for December is computed to be a hot 32°C (89.6°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in December in Buchanan is 60%.

Rainfall

In Buchanan, Argentina, during December, the rain falls for 9.3 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, in Buchanan, there are 101 rainfall days, and 529mm (20.83") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall in Buchanan.

Daylight

December has the longest days of the year in Buchanan, with an average of 14h and 30min of daylight.
On the first day of December, sunrise is at 05:32 and sunset at 19:52. On the last day of the month, sunrise is at 05:42 and sunset at 20:10 -03.

Sunshine

December has the most sunshine of the year in Buchanan, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Buchanan are January through March and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

In Buchanan, 29.3°C (84.7°F) is the average high-temperature and 16.2°C (61.2°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 32°C (89.6°F).

In December, the average relative humidity is 60%.

In Buchanan, Argentina, in December, during 9.3 rainfall days, 51mm (2.01") of precipitation is typically accumulated.

In Buchanan, snow does not fall in January through June, August through December.

The month with the longest days in Buchanan, Argentina, is December, with an average of 14h and 30min of daylight.

The average day length in December in Buchanan is 14h and 28min.

In December, on the first day of the month, sunrise is at 05:32 and sunset at 19:52. On the last day of the month, in Buchanan, sunrise is at 05:42 and sunset at 20:10 -03.

With an average of 11.1h of sunshine, December has the most sunshine of the year in Buchanan.

In Buchanan, the average sunshine duration in December is 11.1h.

January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Buchanan, Argentina.

In Buchanan, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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 snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Buchanan, Argentina

  • Average high temperature in December: 29.3°C

The warmest month (with the highest average high temperature) is January (31.3°C).
The month with the lowest average high temperature is July (13.6°C).

  • Average low temperature in December: 16.2°C

The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is July (6.6°C).

Average pressure in December
Buchanan, Argentina

  • Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December
Buchanan, Argentina

  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is September (15.5km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

Average humidity in December
Buchanan, Argentina

  • Average humidity in December: 60%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (56%).

Average rainfall in December
Buchanan, Argentina

  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is October (69mm).
The driest month (with the least rainfall) is January (30mm).

Average rainfall days in December
Buchanan, Argentina

  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is October (10.4 days).
The month with the least rainy days is June (6.8 days).

Average snowfall days in December
Buchanan, Argentina

  • Average snowfall days in December: 0 days

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

Average daylight in December /
Average sunshine in December
Buchanan, Argentina

  • Average daylight in December: 14h and 30min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in December: 11h and 6min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December
Buchanan, Argentina

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is June (22.2 days).
The month with the least sunshine days is February (18.3 days).

Average UV index in December
Buchanan, Argentina

  • Average UV index in December: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).

Average cloud cover in December
Buchanan, Argentina

  • Average cloud cover in December: 20

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in December
Buchanan, Argentina

  • Average visibility in December: 10km

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