December weather forecast
Del Castilho, Brazil

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Weather in December

The first month of the summer, December, is also a moderately hot month in Del Castilho, Brazil, with an average temperature fluctuating between 23°C (73.4°F) and 28.2°C (82.8°F).

Temperature

The average high-temperature during December is a still warm 28.2°C (82.8°F), almost matching the conditions of the preceding month. Throughout December, Del Castilho experiences a low-temperature average of 23°C (73.4°F).

Heat index

December's heat index is computed to be a hot 33°C (91.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Del Castilho, during December, the rain falls for 21.9 days and regularly aggregates up to 98mm (3.86") of precipitation. Throughout the year, in Del Castilho, there are 192.5 rainfall days, and 812mm (31.97") of precipitation is accumulated.

Daylight

The month with the longest days in Del Castilho is December, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 04:59 and sunset at 18:25. On the last day of December, sunrise is at 05:10 and sunset at 18:41 -03.

Sunshine

The average sunshine in December in Del Castilho is 8.3h.

UV index

In December, the average daily maximum UV index in Del Castilho is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

How hot does it get in Del Castilho in December?

The high-temperature in Del Castilho during December is 28.2°C (82.8°F) and the low-temperature is 23°C (73.4°F). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in December is computed to be 33°C (91.4°F).

What is the average humidity in December in Del Castilho?

In December, the average relative humidity is 81%.

How many days does it rain in December in Del Castilho?

In Del Castilho, Brazil, in December, during 21.9 rainfall days, 98mm (3.86") of precipitation is typically accumulated.

When are the longest days in Del Castilho?

The month with the longest days is December, with an average of 13h and 30min of daylight.

What is the average length of the day in December in Del Castilho?

In Del Castilho, Brazil, the average day length in December is 13h and 31min.

When are sunrise and sunset in December in Del Castilho?

In December, on the first day of the month, sunrise is at 04:59 and sunset at 18:25. On the last day of the month, sunrise is at 05:10 and sunset at 18:41 -03.

How many hours of sunshine does Del Castilho have in December?

In December, the average sunshine duration in Del Castilho is 8.3h.

How high is the UV index in December in Del Castilho?

In Del Castilho, Brazil, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in December
Del Castilho, Brazil

Average temperature in December - Del Castilho, Brazil
  • Average high temperature in December: 28.2°C

The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).

  • Average low temperature in December: 23°C

The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).

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Average pressure in December
Del Castilho, Brazil

Average pressure in December - Del Castilho, Brazil
  • Average pressure in December: 1011.9mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

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Average wind speed in December
Del Castilho, Brazil

Average wind speed in December - Del Castilho, Brazil
  • Average wind speed in December: 9.5km/h

The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).

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Average humidity in December
Del Castilho, Brazil

Average humidity in December - Del Castilho, Brazil
  • Average humidity in December: 81%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in December
Del Castilho, Brazil

Average rainfall in December - Del Castilho, Brazil
  • Average rainfall in December: 98mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).

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Average rainfall days in December
Del Castilho, Brazil

Average rainfall days in December - Del Castilho, Brazil
  • Average rainfall days in December: 21.9 days

The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).

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Average daylight in December /
Average sunshine in December
Del Castilho, Brazil

Average daylight in December / Average sunshine in December - Del Castilho, Brazil
  • Average daylight in December: 13h and 3min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in December: 8h and 2min

The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

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Average sunshine days in December
Del Castilho, Brazil

Average sunshine days in December - Del Castilho, Brazil
  • Average sunshine days in December: 4.8 days

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).

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Average UV index in December
Del Castilho, Brazil

Average UV index in December - Del Castilho, Brazil
  • Average UV index in December: 6

The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).

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Average cloud cover in December
Del Castilho, Brazil

Average cloud cover in December - Del Castilho, Brazil
  • Average cloud cover in December: 39

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).

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Average visibility in December
Del Castilho, Brazil

Average visibility in December - Del Castilho, Brazil
  • Average visibility in December: 9km

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

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Del Castilho, Brazil

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