December weather forecast
San José Obrero, Paraguay

December

Weather in December

December, the first month of the summer in San José Obrero, is also a hot month, with an average temperature varying between 32.2°C (90°F) and 21.2°C (70.2°F).

Temperature

San José Obrero's shift into December is marked by a subtle change to a still tropical 32.2°C (90°F) from November's 30.6°C (87.1°F) in temperature. In San José Obrero, the December nights cool down to an average low of 21.2°C (70.2°F).

Heat index

The heat index for December is calculated to be an extremely hot 43°C (109.4°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in December in San José Obrero is 74%.

Rainfall

In San José Obrero, Paraguay, in December, during 18.1 rainfall days, 91mm (3.58") of precipitation is typically accumulated. In San José Obrero, Paraguay, during the entire year, the rain falls for 166.5 days and collects up to 885mm (34.84") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 42min of daylight.
On the first day of December, sunrise is at 05:49 and sunset at 19:24. On the last day of the month, sunrise is at 06:00 and sunset at 19:41 -03.

Sunshine

The months with the most sunshine are November and December, with an average of 10.5h 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 of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 7 in December translates into this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot does it get in San José Obrero in December?
In San José Obrero, in December, the average high-temperature is 32.2°C (90°F), and the average low-temperature is 21.2°C (70.2°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is calculated to be 43°C (109.4°F).
What is the average humidity in December in San José Obrero?
In San José Obrero, the average relative humidity in December is 74%.
How many days does it rain in December in San José Obrero?
In San José Obrero, Paraguay, in December, during 18.1 rainfall days, 91mm (3.58") of precipitation is typically accumulated.
When are the longest days in San José Obrero?
With an average of 13h and 42min of daylight, December has the longest days of the year.
How many hours of daylight does San José Obrero have in December?
The average day length in December in San José Obrero, Paraguay, is 13h and 41min.
What time are sunrise and sunset in December in San José Obrero?
On the first day of December in San José Obrero, Paraguay, sunrise is at 05:49 and sunset at 19:24. On the last day of the month, sunrise is at 06:00 and sunset at 19:41 -03.
What are the months with the most sunshine in San José Obrero?
The months with the most sunshine in San José Obrero are November and December, with an average of 10.5h of sunshine.
How many hours of sunshine does San José Obrero have in December?
In December, the average sunshine duration is 10.5h.
What is the month with the highest UV index in San José Obrero?
The months with the highest UV index in San José Obrero, Paraguay, are January and December, with an average maximum UV index of 7.
How high is the UV index in December in San José Obrero?
In December, the average daily maximum UV index in San José Obrero, Paraguay, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
San José Obrero, Paraguay
  • Average high temperature in December: 32.2°C

The warmest month (with the highest average high temperature) is January (33.4°C).
The month with the lowest average high temperature is July (21.6°C).

  • Average low temperature in December: 21.2°C

The month with the highest average low temperature is January (22.2°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).

Average pressure in December
San José Obrero, Paraguay
  • Average pressure in December: 1008.4mbar

The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).

Average wind speed in December
San José Obrero, Paraguay
  • Average wind speed in December: 8km/h

The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is March (7.2km/h).

Average humidity in December
San José Obrero, Paraguay
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (85%).
The month with the lowest relative humidity is September (72%).

Average rainfall in December
San José Obrero, Paraguay
  • Average rainfall in December: 91mm

The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is August (31mm).

Average rainfall days in December
San José Obrero, Paraguay
  • Average rainfall days in December: 18.1 days

The month with the highest number of rainy days is December (18.1 days).
The month with the least rainy days is August (7.5 days).

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

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in December: 10h and 3min

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

Average sunshine days in December
San José Obrero, Paraguay
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December
San José Obrero, 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).

Average cloud cover in December
San José Obrero, Paraguay
  • Average cloud cover in December: 33

The month with the most cloud cover is May (Cloud cover 52).
The months with the least cloud cover are August and November (Cloud cover 29).

Average visibility in December
San José Obrero, Paraguay
  • Average visibility in December: 8km

The months with the highest visibility are January, August and September (9km).
The months with the lowest visibility are May and June (7km).

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