Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The arrival of December sees an average high-temperature of a still moderately hot 26.3°C (79.3°F), hardly diverging from November's 24.1°C (75.4°F). During the month of December, São José experiences a steady low-temperature average of 19.5°C (67.1°F).Humidity
The months with the lowest humidity in São José are March, April, June, August, November and December, with an average relative humidity of 83%.Rainfall
In São José, in December, during 19.5 rainfall days, 73mm (2.87") of precipitation is typically accumulated. Throughout the year, in São José, there are 202.2 rainfall days, and 904mm (35.59") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 24.1°C (75.4°F).Note: For those not fond of cold temperatures, taking a swim at 24.1°C (75.4°F) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
With an average of 13h and 54min of daylight, December has the longest days of the year in São José.On the first day of the month, sunrise is at 05:10 and sunset at 18:56. On the last day of December, sunrise is at 05:22 and sunset at 19:13 -03.
Sunshine
The average sunshine in December is 7.4h.UV index
The months with the highest UV index in São José are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in São José?
What are the least humid months in São José?
What is the average humidity in December in São José?
How many days does it rain in December in São José?
How warm is the water in December in São José?
When are the longest days in São José?
How many hours of daylight does São José have in December?
What time are sunrise and sunset in December in São José?
How long on average sun shines in December in São José?
When is the highest UV index in São José?
What is the UV index intensity in December in São José?
Average temperature in December
São José, Brazil
- Average high temperature in December: 26.3°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (19.1°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is February (21.1°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in December
São José, Brazil
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in December
São José, Brazil
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is March (10km/h).
Average humidity in December
São José, Brazil
- Average humidity in December: 83%
The month with the highest relative humidity is October (85%).
The months with the lowest relative humidity are March, April, June, August, November and December (83%).
Average rainfall in December
São José, Brazil
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is February (104mm).
The driest months (with the least rainfall) are August and November (57mm).
Average rainfall days in December
São José, Brazil
- Average rainfall days in December: 19.5 days
The months with the highest number of rainy days are January and March (20.8 days).
The month with the least rainy days is June (12.3 days).
Average sea temperature in December
São José, Brazil
- Average sea temperature in December: 24.1°C
The best months for swimming (with the highest average sea temperature) are January and February (25.8°C).
The coldest month (with the lowest average sea temperature) is July (18.6°C).
Average daylight in December /
Average sunshine in December
São José, Brazil
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 7h and 2min
The months with the most sunshine are February and April (Average sunshine: 7h and 42min).
The month with the least sunshine is October (Average sunshine: 6h and 42min).
Average sunshine days in December
São José, Brazil
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is June (15.2 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
São José, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are July and September (UV index 4).
Average cloud cover in December
São José, Brazil
- Average cloud cover in December: 50
The month with the most cloud cover is October (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 37).
Average visibility in December
São José, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
