December weather forecast
Gramado, Brazil

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Weather in December

December marks the arrival of summer in Gramado, concluding the yearly weather cycle. Higher temperatures set in, reaching an average high of 26.7°C (80.1°F), the highest for the year. Rainfall remains fairly constant from November, keeping the city moist and humid. The daylight hours are lengthiest, saturating the city with abundant sunshine. The year's end provides the perfect weather to enjoy Gramado's festive atmosphere, amidst the warmth and cheer.

Temperature

At the start of December, Gramado's average high-temperature reaches a still moderately hot 26.7°C (80.1°F), subtly different from the preceding month. Gramado's temperature tends to fall to an average low of 16.1°C (61°F) during the nights of December.

Humidity

With an average relative humidity of 80%, December is the least humid month.

Rainfall

In Gramado, in December, during 20.1 rainfall days, 116mm (4.57") of precipitation is typically accumulated. Throughout the year, in Gramado, there are 201.3 rainfall days, and 1185mm (46.65") of precipitation is accumulated.

Snowfall

In Gramado, snow does not fall in January through June, September through December.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:16 and sunset at 19:09. On the last day of December, sunrise is at 05:27 and sunset at 19:26 -03.

Sunshine

The month with the most sunshine in Gramado is December, with an average of 8.2h of sunshine.

UV index

January and December, with an average maximum UV index of 6, are months with the highest UV index in Gramado. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in December leads to these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in December in Gramado?

Gramado in December has an average high-temperature of 26.7°C (80.1°F) and an average low-temperature of 16.1°C (61°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in February is estimated at 30°C (86°F).

What is the least humid month in Gramado?

The least humid month in Gramado is December, with an average relative humidity of 80%.

What is the average humidity in December in Gramado?

In Gramado, the average relative humidity in December is 80%.

How many days does it rain in December in Gramado?

In Gramado, Brazil, in December, during 20.1 rainfall days, 116mm (4.57") of precipitation is typically accumulated.

When it does not snow in Gramado?

In Gramado, Brazil, snow does not fall in January through June, September through December.

When are the longest days in Gramado?

With an average of 14h and 0min of daylight, December has the longest days of the year in Gramado.

What is the average length of the day in December in Gramado?

The average day length in December in Gramado is 13h and 59min.

When are sunrise and sunset in December in Gramado?

In December, on the first day of the month, sunrise is at 05:16 and sunset at 19:09. On the last day of the month, sunrise is at 05:27 and sunset at 19:26 -03.

What month has the most sunshine in Gramado?

The month with the most sunshine in Gramado, Brazil, is December, with an average of 8.2h of sunshine.

How long on average sun shines in December in Gramado?

The average sunshine duration in December is 8.2h.

When is the highest UV index in Gramado?

The months with the highest UV index in Gramado are January and December, with an average maximum UV index of 6.

What is the UV index reading in December in Gramado?

In December, the average daily maximum UV index in Gramado, Brazil, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gramado, Brazil

Average temperature in December - Gramado, Brazil
  • Average high temperature in December: 26.7°C

The warmest months (with the highest average high temperature) are January and February (27°C).
The month with the lowest average high temperature is July (16.9°C).

  • Average low temperature in December: 16.1°C

The month with the highest average low temperature is January (17°C).
The coldest month (with the lowest average low temperature) is July (8.5°C).

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Average pressure in December
Gramado, Brazil

Average pressure in December - Gramado, Brazil
  • Average pressure in December: 1011.6mbar

The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).

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Average wind speed in December
Gramado, Brazil

Average wind speed in December - Gramado, Brazil
  • Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is August (9.6km/h).
The calmest month (with the lowest average wind speed) is April (8.2km/h).

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Average humidity in December
Gramado, Brazil

Average humidity in December - Gramado, Brazil
  • Average humidity in December: 80%

The month with the highest relative humidity is May (87%).
The month with the lowest relative humidity is December (80%).

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Average rainfall in December
Gramado, Brazil

Average rainfall in December - Gramado, Brazil
  • Average rainfall in December: 116mm

The wettest month (with the highest rainfall) is January (135mm).
The driest month (with the least rainfall) is August (72mm).

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Average rainfall days in December
Gramado, Brazil

Average rainfall days in December - Gramado, Brazil
  • Average rainfall days in December: 20.1 days

The month with the highest number of rainy days is January (22.4 days).
The month with the least rainy days is August (11.4 days).

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Average snowfall days in December
Gramado, Brazil

Average snowfall days in December - Gramado, Brazil
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Gramado, Brazil
  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 8h and 1min

The month with the most sunshine is December (Average sunshine: 8h and 12min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).

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Average sunshine days in December
Gramado, Brazil

Average sunshine days in December - Gramado, Brazil
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (5.3 days).

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Average UV index in December
Gramado, Brazil

Average UV index in December - Gramado, Brazil
  • Average UV index in December: 6

The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is May (UV index 3).

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Average cloud cover in December
Gramado, Brazil

Average cloud cover in December - Gramado, Brazil
  • Average cloud cover in December: 40

The month with the most cloud cover is May (Cloud cover 46).
The months with the least cloud cover are August and November (Cloud cover 37).

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Average visibility in December
Gramado, Brazil

Average visibility in December - Gramado, Brazil
  • Average visibility in December: 8km

The months with the highest visibility are February, April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, March and May (7km).

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Gramado, Brazil

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