December weather forecast
Guará, Brazil

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Weather in December

December, the first month of the summer in Guará, is still a warm month, with an average temperature varying between 19.5°C (67.1°F) and 27.9°C (82.2°F).

Temperature

The shift into December uncovers an average high-temperature of a still warm 27.9°C (82.2°F), subtly different from the previous month. During December in Guará, the average low-temperature is recorded at a comfortable 19.5°C (67.1°F).

Heat index

The average heat index in December is evaluated at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Guará, the average relative humidity in December is 86%.

Rainfall

In Guará, Brazil, during December, the rain falls for 29.6 days and regularly aggregates up to 190mm (7.48") of precipitation. Throughout the year, in Guará, there are 219 rainfall days, and 1265mm (49.8") of precipitation is accumulated.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:22 and sunset at 18:39. On the last day of the month, sunrise is at 05:34 and sunset at 18:55 -03.

Sunshine

The average sunshine in December is 7.8h.

UV index

January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 5 in December translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are the temperatures in Guará in December?

The high-temperature, in December, in Guará, records 27.9°C (82.2°F), while the low-temperature is 19.5°C (67.1°F). In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 33°C (91.4°F).

What is the average humidity in December in Guará?

In Guará, Brazil, the average relative humidity in December is 86%.

How many days does it rain in December in Guará?

In Guará, in December, it is raining for 29.6 days, with typically 190mm (7.48") of accumulated precipitation.

When are the longest days in Guará?

The month with the longest days is December, with an average of 13h and 18min of daylight.

How many hours of daylight does Guará have in December?

In December, the average day length in Guará, Brazil, is 13h and 21min.

When is the sunrise / sunset in December in Guará?

In December, on the first day of the month, sunrise is at 05:22 and sunset at 18:39. On the last day of the month, sunrise is at 05:34 and sunset at 18:55 -03.

How many hours of sunshine does Guará have in December?

In December, the average sunshine duration in Guará is 7.8h.

What are the months with the lowest UV index in Guará?

The months with the lowest UV index in Guará, Brazil, are January through June, November and December, with an average maximum UV index of 5.

How high is the UV index in December in Guará?

The average daily maximum UV index in December in Guará is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Guará, Brazil

Average temperature in December - Guará, Brazil
  • Average high temperature in December: 27.9°C

The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is June (24.7°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is October (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (14.8°C).

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Average pressure in December
Guará, Brazil

Average pressure in December - Guará, Brazil
  • Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is July (1019mbar).
The months with the lowest atmospheric pressure are November and December (1011.2mbar).

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Average wind speed in December
Guará, Brazil

Average wind speed in December - Guará, Brazil
  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is February (6.3km/h).

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Average humidity in December
Guará, Brazil

Average humidity in December - Guará, Brazil
  • Average humidity in December: 86%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).

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Average rainfall in December
Guará, Brazil

Average rainfall in December - Guará, Brazil
  • Average rainfall in December: 190mm

The wettest month (with the highest rainfall) is January (221mm).
The driest month (with the least rainfall) is August (7mm).

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Average rainfall days in December
Guará, Brazil

Average rainfall days in December - Guará, Brazil
  • Average rainfall days in December: 29.6 days

The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (3.8 days).

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Average daylight in December /
Average sunshine in December
Guará, Brazil

Average daylight in December / Average sunshine in December - Guará, Brazil
  • Average daylight in December: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in December: 7h and 5min

The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).

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Average sunshine days in December
Guará, Brazil

Average sunshine days in December - Guará, Brazil
  • Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is December (0.8 days).

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Average UV index in December
Guará, Brazil

Average UV index in December - Guará, Brazil
  • Average UV index in December: 5

The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).

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Average cloud cover in December
Guará, Brazil

Average cloud cover in December - Guará, Brazil
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Guará, Brazil

Average visibility in December - Guará, Brazil
  • Average visibility in December: 7km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).

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Guará, Brazil

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