December weather forecast
San Estanislao, Paraguay

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Weather in December

In December, San Estanislao experiences the peak of summer with average temperatures climbing up to a high of 31.8°C (89.2°F). The holiday season coupled with the warm weather sets a jolly mood throughout the city. The sunshine-filled days are perfect for outdoor activities and festivities. As the month transitions to January, residents expect a slight dip in temperatures. The higher wind gusts peaking at 13.1km/h (8.1mph) in December adds to the vibrant and dynamic aura of the city during the holiday season.

Temperature

December's onset brings an average high-temperature of a still tropical 31.8°C (89.2°F), showing a minute difference from November's 31°C (87.8°F). Throughout December, San Estanislao registers a consistent average low-temperature of 21.1°C (70°F).

Heat index

December's average heat index is estimated at a blistering 42°C (107.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In San Estanislao, the average relative humidity in December is 76%.

Rainfall

In San Estanislao, Paraguay, in December, during 20.5 rainfall days, 120mm (4.72") of precipitation is typically accumulated. Throughout the year, there are 166 rainfall days, and 911mm (35.87") of precipitation is accumulated.

Daylight

With an average of 13h and 36min of daylight, December has the longest days of the year in San Estanislao.
On the first day of December in San Estanislao, sunrise is at 05:48 and sunset at 19:21. On the last day of the month, sunrise is at 05:59 and sunset at 19:38 -03.

Sunshine

In San Estanislao, Paraguay, the average sunshine in December is 10.3h.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a regular UV index of 7 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

Is it hot in San Estanislao during December?

In December, the average high-temperature and low-temperature are 31.8°C (89.2°F) and 21.1°C (70°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in December is estimated at 42°C (107.6°F).

What is the average humidity in December in San Estanislao?

In December, the average relative humidity in San Estanislao, Paraguay, is 76%.

How many days does it rain in December in San Estanislao?

In San Estanislao, during December, the rain falls for 20.5 days and regularly aggregates up to 120mm (4.72") of precipitation.

When are the longest days in San Estanislao?

With an average of 13h and 36min of daylight, December has the longest days of the year in San Estanislao.

How many hours of daylight does San Estanislao have in December?

In San Estanislao, Paraguay, the average day length in December is 13h and 38min.

What time are sunrise and sunset in December in San Estanislao?

On the first day of December in San Estanislao, Paraguay, sunrise is at 05:48 and sunset at 19:21. On the last day of the month, sunrise is at 05:59 and sunset at 19:38 -03.

How long on average sun shines in December in San Estanislao?

The average sunshine duration in December in San Estanislao is 10.3h.

When is the highest UV index in San Estanislao?

January and December, with an average maximum UV index of 7, are months with the highest UV index in San Estanislao, Paraguay.

How high is the UV index in December in San Estanislao?

The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
San Estanislao, Paraguay

Average temperature in December - San Estanislao, Paraguay
  • Average high temperature in December: 31.8°C

The warmest month (with the highest average high temperature) is January (32.7°C).
The month with the lowest average high temperature is July (22°C).

  • Average low temperature in December: 21.1°C

The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.8°C).

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Average pressure in December
San Estanislao, Paraguay

Average pressure in December - San Estanislao, Paraguay
  • Average pressure in December: 1008.3mbar

The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

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Average wind speed in December
San Estanislao, Paraguay

Average wind speed in December - San Estanislao, Paraguay
  • Average wind speed in December: 8km/h

The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest months (with the lowest average wind speed) are February and March (7.2km/h).

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Average humidity in December
San Estanislao, Paraguay

Average humidity in December - San Estanislao, Paraguay
  • Average humidity in December: 76%

The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is September (71%).

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Average rainfall in December
San Estanislao, Paraguay

Average rainfall in December - San Estanislao, Paraguay
  • Average rainfall in December: 120mm

The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is August (22mm).

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Average rainfall days in December
San Estanislao, Paraguay

Average rainfall days in December - San Estanislao, Paraguay
  • Average rainfall days in December: 20.5 days

The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is August (6 days).

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Average daylight in December /
Average sunshine in December
San Estanislao, Paraguay

Average daylight in December / Average sunshine in December - San Estanislao, Paraguay
  • Average daylight in December: 13h and 4min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in December: 10h and 2min

The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 42min).

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Average sunshine days in December
San Estanislao, Paraguay

Average sunshine days in December - San Estanislao, Paraguay
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in December
San Estanislao, Paraguay

Average UV index in December - San Estanislao, Paraguay
  • 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 4).

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Average cloud cover in December
San Estanislao, Paraguay

Average cloud cover in December - San Estanislao, Paraguay
  • Average cloud cover in December: 35

The month with the most cloud cover is May (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in December
San Estanislao, Paraguay

Average visibility in December - San Estanislao, Paraguay
  • Average visibility in December: 8km

The months with the highest visibility are August and September (9km).
The month with the lowest visibility is May (6km).

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San Estanislao, Paraguay

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