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 introduction of December sees an average high-temperature of a still warm 29.4°C (84.9°F), hardly deviating from November. Nighttime temperatures in December average to a comfortable 19.2°C (66.6°F).Heat index
In December, the average heat index is estimated at a hot 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.The standards for the heat index are set for locations in shade and under light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
With an average relative humidity of 73%, December is the least humid month in Arroio dos Ratos.Rainfall
In Arroio dos Ratos, in December, during 15.9 rainfall days, 69mm (2.72") of precipitation is typically accumulated. Throughout the year, there are 162.4 rainfall days, and 881mm (34.69") of precipitation is accumulated.Daylight
With an average of 14h and 0min of daylight, December has the longest days of the year in Arroio dos Ratos, Brazil.On the first day of December in Arroio dos Ratos, sunrise is at 05:17 and sunset at 19:14. On the last day of the month, sunrise is at 05:28 and sunset at 19:31 -03.
Sunshine
December has the most sunshine of the year, with an average of 8.6h of sunshine.UV index
With an average maximum UV index of 7, December is the month with the highest UV index. 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 of 7 during December translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Arroio dos Ratos during December?
What is the least humid month in Arroio dos Ratos?
What is the average humidity in December in Arroio dos Ratos?
How many days does it rain in December in Arroio dos Ratos?
When are the longest days in Arroio dos Ratos?
How many hours of daylight does Arroio dos Ratos have in December?
When are sunrise and sunset in December in Arroio dos Ratos?
What month has the most sunshine in Arroio dos Ratos?
How long on average sun shines in December in Arroio dos Ratos?
When is the highest UV index in Arroio dos Ratos?
What is the UV index intensity in December in Arroio dos Ratos?
Average temperature in December
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, Brazil
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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
Arroio dos Ratos, 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).
