December weather forecastBotucatu, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Botucatu, Brazil, with an average temperature varying between 27.3°C (81.1°F) and 18.4°C (65.1°F).

Temperature

In Botucatu, December is identified by the highest average temperatures, reaching a peak of 27.3°C (81.1°F) and a low of 18.4°C (65.1°F).

Heat index

The heat index for December is evaluated at a hot 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in December in Botucatu is 85%.

Rainfall

In Botucatu, Brazil, during December, the rain falls for 27.4 days and regularly aggregates up to 246mm (9.69") of precipitation. Throughout the year, in Botucatu, there are 226.1 rainfall days, and 1758mm (69.21") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year.
On the first day of December in Botucatu, sunrise is at 05:19 and sunset at 18:46. On the last day of the month, sunrise is at 05:31 and sunset at 19:02 -03.

Sunshine

The average sunshine in December is 7h.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index in Botucatu. The months with the lowest UV index in Botucatu are January through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Botucatu, December is known for its average highest temperatures, reaching a high of 27.3°C (81.1°F) and a low of 18.4°C (65.1°F).

The high-temperature, in December, in Botucatu, is 27.3°C (81.1°F), while the low-temperature averages to 18.4°C (65.1°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in December is evaluated at 31°C (87.8°F).

In December, the average relative humidity is 85%.

In Botucatu, during December, the rain falls for 27.4 days and regularly aggregates up to 246mm (9.69") of precipitation.

With an average of 13h and 30min of daylight, December has the longest days of the year.

In Botucatu, Brazil, the average day length in December is 13h and 31min.

On the first day of December in Botucatu, sunrise is at 05:19 and sunset at 18:46. On the last day of the month, sunrise is at 05:31 and sunset at 19:02 -03.

In Botucatu, the average sunshine duration in December is 7h.

The months with the highest UV index in Botucatu are January through December, with an average maximum UV index of 5.

January through December, with an average maximum UV index of 5, are months with the lowest UV index in Botucatu, Brazil.

In Botucatu, Brazil, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

26.8°C

27.3°C

26.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.6km/h

9.2km/h

8.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.4

2.1

1.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Botucatu, Brazil

Average high temperature in December: 27.3°C

The warmest month (with the highest average high temperature) is December (27.3°C).
The month with the lowest average high temperature is June (21.1°C).

Average low temperature in December: 18.4°C

The month with the highest average low temperature is January (18.8°C).
The coldest months (with the lowest average low temperature) are June and July (12.4°C).

Average pressure in December
Botucatu, Brazil

Average pressure in December: 1011.4mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).

Average wind speed in December
Botucatu, Brazil

Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is October (9.8km/h).
The calmest month (with the lowest average wind speed) is February (7.2km/h).

Average humidity in December
Botucatu, Brazil

Average humidity in December: 85%

The months with the highest relative humidity are February and March (89%).
The months with the lowest relative humidity are August and September (72%).

Average rainfall in December
Botucatu, Brazil

Average rainfall in December: 246mm

The wettest month (with the highest rainfall) is January (342mm).
The driest month (with the least rainfall) is July (34mm).

Average rainfall days in December
Botucatu, Brazil

Average rainfall days in December: 27.4 days

The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (6.9 days).

Average daylight in December /
Average sunshine in December
Botucatu, 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 0min

The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in December
Botucatu, Brazil

Average sunshine days in December: 2.1 days

The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (0.6 days).

Average UV index in December
Botucatu, Brazil

Average UV index in December: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).