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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





