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 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 onset of December highlights an average high temperature of a still warm 28°C (82.4°F), mirroring the climate in November. Ribeirão Bonito, during December nights, observes an average temperature of 19.5°C (67.1°F).Heat index
The heat index value for December is appraised at a hot 32°C (89.6°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Ribeirão Bonito, the average relative humidity in December is 82%.Rainfall
In Ribeirão Bonito, in December, it is raining for 28.8 days, with typically 220mm (8.66") of accumulated precipitation. In Ribeirão Bonito, Brazil, during the entire year, the rain falls for 225.9 days and collects up to 1464mm (57.64") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of the month, sunrise is at 05:20 and sunset at 18:43. On the last day of December, in Ribeirão Bonito, sunrise is at 05:32 and sunset at 18:59 -03.
Sunshine
In Ribeirão Bonito, Brazil, the average sunshine in December is 7.6h.UV index
The months with the lowest UV index are January through July, September, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 5 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Ribeirão Bonito in December?
What is the average humidity in December in Ribeirão Bonito?
How many days does it rain in December in Ribeirão Bonito?
When are the longest days in Ribeirão Bonito?
What is the average length of the day in December in Ribeirão Bonito?
What time are sunrise and sunset in December in Ribeirão Bonito?
How long on average sun shines in December in Ribeirão Bonito?
When is the lowest UV index in Ribeirão Bonito?
What is the UV index reading in December in Ribeirão Bonito?
Average temperature in December
Ribeirão Bonito, Brazil
- Average high temperature in December: 28°C
The warmest month (with the highest average high temperature) is October (28.8°C).
The month with the lowest average high temperature is June (22.6°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is December (19.5°C).
The coldest month (with the lowest average low temperature) is June (13.4°C).
Average pressure in December
Ribeirão Bonito, Brazil
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in December
Ribeirão Bonito, Brazil
- Average wind speed in December: 8.5km/h
The windiest months (with the highest average wind speed) are September and October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in December
Ribeirão Bonito, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (64%).
Average rainfall in December
Ribeirão Bonito, Brazil
- Average rainfall in December: 220mm
The wettest month (with the highest rainfall) is January (291mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in December
Ribeirão Bonito, Brazil
- Average rainfall days in December: 28.8 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is August (5.7 days).
Average daylight in December /
Average sunshine in December
Ribeirão Bonito, Brazil
- Average daylight in December: 13h and 3min
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 4min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in December
Ribeirão Bonito, Brazil
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (0.6 days).
Average UV index in December
Ribeirão Bonito, Brazil
- Average UV index in December: 5
The months with the highest UV index are August and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, November and December (UV index 5).
Average cloud cover in December
Ribeirão Bonito, Brazil
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Ribeirão Bonito, Brazil
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are March, April and May (7km).
