December weather forecastGuaratinguetá, Brazil
December
Weather in December
December, the first month of the summer in Guaratinguetá, is also a moderately hot month, with temperature in the range of an average low of 17.1°C (62.8°F) and an average high of 26.5°C (79.7°F).Temperature
Guaratinguetá's shift from November to December is accompanied by an average high-temperature of a still moderately hot 26.5°C (79.7°F), a slight deviation from 25.4°C (77.7°F). During the month of December, Guaratinguetá's nighttime temperature lowers to an average of 17.1°C (62.8°F).Humidity
The average relative humidity in December in Guaratinguetá is 85%.Rainfall
In Guaratinguetá, in December, it is raining for 26.6 days, with typically 112mm (4.41") of accumulated precipitation. Throughout the year, there are 215.1 rainfall days, and 760mm (29.92") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of December in Guaratinguetá, sunrise is at 05:06 and sunset at 18:33. On the last day of the month, sunrise is at 05:18 and sunset at 18:49 -03.
Sunshine
In December, the average sunshine in Guaratinguetá is 7.6h.UV index
The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in December transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guaratinguetá, Brazil
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is February (26.8°C).
The month with the lowest average high temperature is June (21.1°C).
- Average low temperature in December: 17.1°C
The month with the highest average low temperature is December (17.1°C).
The coldest month (with the lowest average low temperature) is July (10.8°C).
Average pressure in December
Guaratinguetá, Brazil
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012.3mbar).
Average wind speed in December
Guaratinguetá, Brazil
- Average wind speed in December: 5.8km/h
The windiest month (with the highest average wind speed) is September (6.7km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.3km/h).
Average humidity in December
Guaratinguetá, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Guaratinguetá, Brazil
- Average rainfall in December: 112mm
The wettest month (with the highest rainfall) is January (131mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in December
Guaratinguetá, Brazil
- Average rainfall days in December: 26.6 days
The month with the highest number of rainy days is December (26.6 days).
The months with the least rainy days are July and August (9.3 days).
Average daylight in December /
Average sunshine in December
Guaratinguetá, Brazil
- Average daylight in December: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 7h and 36min
The month with the most sunshine is September (Average sunshine: 8h and 42min).
The months with the least sunshine are March and April (Average sunshine: 7h and 24min).
Average sunshine days in December
Guaratinguetá, Brazil
- Average sunshine days in December: 3.4 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in December
Guaratinguetá, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Guaratinguetá, Brazil
- Average cloud cover in December: 54
The month with the most cloud cover is March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Guaratinguetá, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are January, March, April and May (6km).
