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
Weather in December
Temperature
The arrival of December sees a recorded average high-temperature of a still warm 29.5°C (85.1°F), showing little divergence from the previous month's conditions. Cachoeirinha experiences an average nighttime temperature of 18.7°C (65.7°F) in the month of December.Heat index
The heat index value during December is calculated to be a hot 34°C (93.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. 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 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
The least humid month is December, with an average relative humidity of 72%.Rainfall
In Cachoeirinha, Brazil, in December, it is raining for 13.7 days, with typically 79mm (3.11") of accumulated precipitation. Throughout the year, there are 155.5 rainfall days, and 943mm (37.13") of precipitation is accumulated.Daylight
December has the longest days of the year in Cachoeirinha, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 05:15 and sunset at 19:11. On the last day of December, in Cachoeirinha, sunrise is at 05:26 and sunset at 19:28 -03.
Sunshine
November and December, with an average of 8.2h of sunshine, are months with the most sunshine in Cachoeirinha, Brazil.UV index
The months with the highest UV index in Cachoeirinha are January through March, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot does it get in Cachoeirinha in December?
What is the least humid month in Cachoeirinha?
What is the average humidity in December in Cachoeirinha?
How much does it rain in Cachoeirinha in December?
When are the longest days in Cachoeirinha?
What is the average length of the day in December in Cachoeirinha?
When are sunrise and sunset in December in Cachoeirinha?
What is the month with the most sunshine in Cachoeirinha?
How many hours of sunshine does Cachoeirinha have in December?
What are the months with the highest UV index in Cachoeirinha?
What is the UV index reading in December in Cachoeirinha?
Average temperature in December
Cachoeirinha, Brazil
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (18.7°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is February (19.8°C).
The coldest month (with the lowest average low temperature) is July (10.6°C).
Average pressure in December
Cachoeirinha, Brazil
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in December
Cachoeirinha, Brazil
- Average wind speed in December: 11.5km/h
The windiest months (with the highest average wind speed) are October and November (11.6km/h).
The calmest month (with the lowest average wind speed) is May (9.7km/h).
Average humidity in December
Cachoeirinha, Brazil
- Average humidity in December: 72%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is December (72%).
Average rainfall in December
Cachoeirinha, Brazil
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is July (114mm).
The driest month (with the least rainfall) is April (54mm).
Average rainfall days in December
Cachoeirinha, Brazil
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is January (15.7 days).
The month with the least rainy days is June (11.1 days).
Average daylight in December /
Average sunshine in December
Cachoeirinha, 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 18min).
- Average sunshine in December: 8h and 1min
The months with the most sunshine are November and December (Average sunshine: 8h and 12min).
The months with the least sunshine are May and September (Average sunshine: 7h and 6min).
Average sunshine days in December
Cachoeirinha, Brazil
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Cachoeirinha, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Cachoeirinha, Brazil
- Average cloud cover in December: 34
The month with the most cloud cover is September (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in December
Cachoeirinha, 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).
Cachoeirinha, Brazil
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