December weather forecastSão Roque, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in São Roque, Brazil, with an average temperature varying between 26.6°C (79.9°F) and 18.4°C (65.1°F).Temperature
The warmest time of the year is December, with temperatures averaging a high of 26.6°C (79.9°F) and a low of 18.4°C (65.1°F).Humidity
The average relative humidity in December in São Roque is 84%.Rainfall
In São Roque, in December, during 23.9 rainfall days, 148mm (5.83") of precipitation is typically accumulated. Throughout the year, there are 208.2 rainfall days, and 1109mm (43.66") of precipitation is accumulated.Daylight
With an average of 13h and 36min of daylight, December has the longest days of the year.On the first day of December in São Roque, sunrise is at 05:13 and sunset at 18:42. On the last day of the month, sunrise is at 05:25 and sunset at 18:58 -03.
Sunshine
In December, the average sunshine in São Roque is 7.1h.UV index
February, April through December, with an average maximum UV index of 5, are months with the lowest UV index in São Roque. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in December interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
São Roque, Brazil
- Average high temperature in December: 26.6°C
The warmest month (with the highest average high temperature) is December (26.6°C).
The month with the lowest average high temperature is June (20.4°C).
- Average low temperature in December: 18.4°C
The month with the highest average low temperature is January (18.6°C).
The coldest month (with the lowest average low temperature) is July (12.5°C).
Average pressure in December
São Roque, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
São Roque, Brazil
- Average wind speed in December: 9.7km/h
The windiest months (with the highest average wind speed) are October and November (10.9km/h).
The calmest month (with the lowest average wind speed) is February (8.3km/h).
Average humidity in December
São Roque, Brazil
- Average humidity in December: 84%
The months with the highest relative humidity are January, March, April and May (86%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
São Roque, Brazil
- Average rainfall in December: 148mm
The wettest month (with the highest rainfall) is January (203mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in December
São Roque, Brazil
- Average rainfall days in December: 23.9 days
The month with the highest number of rainy days is January (24.8 days).
The month with the least rainy days is August (8.3 days).
Average daylight in December /
Average sunshine in December
São Roque, Brazil
- Average daylight in December: 13h and 36min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in December: 7h and 6min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in December
São Roque, Brazil
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is January (4.8 days).
Average UV index in December
São Roque, Brazil
- Average UV index in December: 5
The months with the highest UV index are January and March (UV index 6).
The months with the lowest UV index are February, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
São Roque, Brazil
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
São Roque, Brazil
- Average visibility in December: 8km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
