December weather forecastGramado, Brazil

December

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.

Frequently asked questions

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).

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

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

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

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

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

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

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.

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

The average sunshine duration in December is 8.2h.

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

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 high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

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).

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).

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%).

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).

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).

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).

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 12min

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).

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).

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).

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).

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).