December weather forecast and climate
Colonia Mayor Hermosa, Paraguay

Weather in December

The first month of the summer, December, is still a tropical month in Colonia Mayor Hermosa, Paraguay, with average temperature fluctuating between 31.8°C (89.2°F) and 21.1°C (70°F).

Temperature

In Colonia Mayor Hermosa, the average high-temperature in December is relatively the same as in November - a still tropical 31.8°C (89.2°F). In December, the average low-temperature is 21.1°C (70°F).

Heat index

The average heat index is estimated at an extremely hot 42°C (107.6°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, metabolic differences). 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Colonia Mayor Hermosa, the average relative humidity is 76%.

Rainfall

In Colonia Mayor Hermosa, it is raining for 20.5 days, with typically 120mm (4.72") of accumulated precipitation. In Colonia Mayor Hermosa, during the entire year, the rain falls for 166 days and collects up to 911mm (35.87") of precipitation.

Daylight

December has the longest days of the year, with an average of 13.6h of daylight.

Sunshine

In Colonia Mayor Hermosa, the average sunshine in December is 10.3h.

UV index

Months with the highest UV index in Colonia Mayor Hermosa are January and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in December in Colonia Mayor Hermosa?

The average high-temperature, in December, in Colonia Mayor Hermosa, Paraguay, is 31.8°C (89.2°F), while the average low-temperature is 21.1°C (70°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in December is estimated at 42°C (107.6°F).

What is the average humidity in December in Colonia Mayor Hermosa?

In Colonia Mayor Hermosa, Paraguay, the average relative humidity in December is 76%.

How much does it rain in Colonia Mayor Hermosa in December?

In December, in Colonia Mayor Hermosa, the rain falls for 20.5 days. Throughout December, 120mm (4.72") of precipitation is accumulated.

When are the longest days in Colonia Mayor Hermosa?

The month with the longest days in Colonia Mayor Hermosa, Paraguay, is December, with an average of 13.6h of daylight.

How many hours of daylight does Colonia Mayor Hermosa have in December?

In Colonia Mayor Hermosa, Paraguay, the average length of the day in December is 13.6h.

How long on average sun shines in December in Colonia Mayor Hermosa?

In December, the average sunshine in Colonia Mayor Hermosa is 10.3h.

When is the highest UV index in Colonia Mayor Hermosa?

Months with the highest UV index in Colonia Mayor Hermosa are January and December, with an average maximum UV index of 7.

What is the UV index reading in December in Colonia Mayor Hermosa?

In December, the average daily maximum UV index in Colonia Mayor Hermosa is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in December
Colonia Mayor Hermosa, Paraguay

Average temperature in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average pressure in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average wind speed in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average humidity in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average rainfall in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average rainfall days in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average daylight in December / Average sunshine in December - Colonia Mayor Hermosa, Paraguay
  • Average daylight in December: 13.6h

The month with the longest days is December (Average daylight: 13.6h).
The month with the shortest days is June (Average daylight: 10.7h).

  • Average sunshine in December: 10.3h

The month with the most sunshine is November (Average sunshine: 10.5h).
The month with the least sunshine is June (Average sunshine: 6.7h).

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Average sunshine days in December
Colonia Mayor Hermosa, Paraguay

Average sunshine days in December - Colonia Mayor Hermosa, 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
Colonia Mayor Hermosa, Paraguay

Average UV index in December - Colonia Mayor Hermosa, Paraguay
  • Average UV index in December: 7

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
Colonia Mayor Hermosa, Paraguay

Average cloud cover in December - Colonia Mayor Hermosa, Paraguay
  • Average cloud cover in December: 35

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

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Average visibility in December
Colonia Mayor Hermosa, Paraguay

Average visibility in December - Colonia Mayor Hermosa, Paraguay
  • Average visibility in December: 8km

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

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