San Antonio Oeste
Argentina
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
San Antonio Oeste, Argentina

December, the first month of the summer, in San Antonio Oeste, is still a warm month, with average temperature fluctuating between 15°C (59°F) and 28.6°C (83.5°F).

Temperature

In December, the average high-temperature is practically the same as in November - a still warm 28.6°C (83.5°F). In December, in San Antonio Oeste, the average low-temperature is 15°C (59°F).

Heat index

The average heat index is evaluated at 29°C (84.2°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In San Antonio Oeste, the average relative humidity in December is 49%.

Rainfall

In December, the rain falls for 5 days. Throughout December, 19.8mm (0.78") of precipitation is accumulated. Throughout the year, there are 63 rainfall days, and 248mm (9.76") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 16.9°C (62.4°F).
Note: For most, swimming in 16.9°C (62.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 15h of daylight, December has the longest days of the year.

Sunshine

In December, the average sunshine is 9.4h.

What is the temperature in December in San Antonio Oeste?

The average high-temperature, in December, in San Antonio Oeste, Argentina, is 28.6°C (83.5°F), while the average low-temperature is 15°C (59°F). The average heat index (a.k.a. 'real feel', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in December is calculated to 29°C (84.2°F).

What is the average humidity in December in San Antonio Oeste?

In San Antonio Oeste, Argentina, the average relative humidity in December is 49%.

How many days does it rain in December in San Antonio Oeste?

In San Antonio Oeste, Argentina, in December, it is raining for 5 days, with typically 19.8mm (0.78") of accumulated precipitation.

How cold is the water in December in San Antonio Oeste?

In San Antonio Oeste, the average seawater temperature in December is 16.9°C (62.4°F). For swimming, a surface water temperature of 16.9°C (62.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

When are the longest days in San Antonio Oeste?

December has the longest days of the year in San Antonio Oeste, Argentina, with an average of 15h of daylight.

What is the average length of the day in December in San Antonio Oeste?

In December, the average length of the day in San Antonio Oeste, Argentina, is 15h.

How long on average sun shines in December in San Antonio Oeste?

The average sunshine in December in San Antonio Oeste is 9.4h.
Average temperature in December - San Antonio Oeste, Argentina
  • Average high temperature in December: 28.6°C

The warmest month (with the highest average high temperature) is January (30.2°C).
The month with the lowest average high temperature is June (13.5°C).

  • Average low temperature in December: 15°C

The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is June (3.3°C).

Average humidity in December - San Antonio Oeste, Argentina
  • Average humidity in December: 49%

Months with the highest relative humidity are June and July (69%).
The month with the lowest relative humidity is January (47%).

Average rainfall in December - San Antonio Oeste, Argentina
  • Average rainfall in December: 19.8mm

The wettest month (with the highest rainfall) is March (26.4mm).
The driest month (with the lowest rainfall) is September (12.9mm).

Average rainfall days in December - San Antonio Oeste, Argentina
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (7 days).
Months with the lowest number of rainy days are January and March (4 days).

Average sea temperature in December - San Antonio Oeste, Argentina
  • Average sea temperature in December: 16.9°C

The best month for swimming (with the highest average sea temperature) is February (19.7°C).
The coldest month (with the lowest average sea temperature) is August (10.8°C).

Average daylight in December / Average sunshine in December - San Antonio Oeste, Argentina
  • Average daylight in December: 15h

The month with the longest days is December (Average daylight: 15h).
The month with shortest days is June (Average daylight: 9.3h).

  • Average sunshine in December: 9.4h

The month with most sunshine is February (Average sunshine: 10h).
The month with least sunshine is June (Average sunshine: 4.3h).