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 advent of December signifies a minor shift to an average high-temperature of a still warm 29.4°C (84.9°F), aligning closely with November. Nighttime temperatures consistently average a refreshing 19.2°C (66.6°F) during December.Heat index
December's mean heat index is appraised at a tropical 34°C (93.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
December is the least humid month, with an average relative humidity of 73%.Rainfall
In December, the rain falls for 15.9 days. Throughout December, 69mm (2.72") of precipitation is accumulated. Throughout the year, there are 162.4 rainfall days, and 881mm (34.69") of precipitation is accumulated.Daylight
December has the longest days of the year in Barra do Ribeiro, with an average of 14h and 6min of daylight.On the first day of December, sunrise is at 05:15 and sunset at 19:13. On the last day of the month, sunrise is at 05:26 and sunset at 19:30 -03.
Sunshine
The month with the most sunshine is December, with an average of 8.6h of sunshine.UV index
December is the month with the highest UV index in Barra do Ribeiro, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, an average UV index of 7 transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Barra do Ribeiro?
What is the least humid month in Barra do Ribeiro?
What is the average humidity in December in Barra do Ribeiro?
How much does it rain in Barra do Ribeiro in December?
When are the longest days in Barra do Ribeiro?
How many hours of daylight does Barra do Ribeiro have in December?
When are sunrise and sunset in December in Barra do Ribeiro?
What month has the most sunshine in Barra do Ribeiro?
How long on average sun shines in December in Barra do Ribeiro?
When is the highest UV index in Barra do Ribeiro?
How high is the UV index in December in Barra do Ribeiro?
Average temperature in December
Barra do Ribeiro, Brazil
- Average high temperature in December: 29.4°C
The warmest months (with the highest average high temperature) are January and February (30.1°C).
The month with the lowest average high temperature is July (18.3°C).
- Average low temperature in December: 19.2°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (10.5°C).
Average pressure in December
Barra do Ribeiro, Brazil
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in December
Barra do Ribeiro, Brazil
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is October (13km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).
Average humidity in December
Barra do Ribeiro, Brazil
- Average humidity in December: 73%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (73%).
Average rainfall in December
Barra do Ribeiro, Brazil
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is April (46mm).
Average rainfall days in December
Barra do Ribeiro, Brazil
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is June (10.9 days).
Average daylight in December /
Average sunshine in December
Barra do Ribeiro, Brazil
- Average daylight in December: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 8h and 4min
The month with the most sunshine is December (Average sunshine: 8h and 36min).
The month with the least sunshine is September (Average sunshine: 7h and 18min).
Average sunshine days in December
Barra do Ribeiro, Brazil
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Barra do Ribeiro, Brazil
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Barra do Ribeiro, Brazil
- Average cloud cover in December: 31
The month with the most cloud cover is September (Cloud cover 39).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in December
Barra do Ribeiro, 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).
