December weather forecastRio do Meio, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Rio do Meio, Brazil, with an average temperature ranging between min 19.1°C (66.4°F) and max 28.8°C (83.8°F).Temperature
A minimal variation is noted in Rio do Meio's average high-temperature at the onset of December, reaching a still moderately hot 28.8°C (83.8°F) from November's 28°C (82.4°F). During December, the nighttime temperature averages of 19.1°C (66.4°F).Heat index
The heat index in December is appraised at a sweltering 35°C (95°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Note that heat index values are valued for light wind and location in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In Rio do Meio, the average relative humidity in December is 84%.Rainfall
In Rio do Meio, during December, the rain falls for 17.3 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, in Rio do Meio, there are 209.2 rainfall days, and 561mm (22.09") of precipitation is accumulated.Daylight
With an average of 13h and 0min of daylight, December has the longest days of the year.On the first day of December in Rio do Meio, sunrise is at 05:00 and sunset at 17:57. On the last day of the month, sunrise is at 05:13 and sunset at 18:13 -03.
Sunshine
In Rio do Meio, the average sunshine in December is 8h.UV index
January through April, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rio do Meio, Brazil
- Average high temperature in December: 28.8°C
The warmest month (with the highest average high temperature) is February (29.8°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in December: 19.1°C
The month with the highest average low temperature is March (19.3°C).
The coldest month (with the lowest average low temperature) is August (15.4°C).
Average pressure in December
Rio do Meio, Brazil
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1013.1mbar).
Average wind speed in December
Rio do Meio, Brazil
- Average wind speed in December: 6.6km/h
The windiest month (with the highest average wind speed) is October (8km/h).
The calmest months (with the lowest average wind speed) are March and April (5.6km/h).
Average humidity in December
Rio do Meio, Brazil
- Average humidity in December: 84%
The month with the highest relative humidity is May (87%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Rio do Meio, Brazil
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Rio do Meio, Brazil
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (12.7 days).
Average daylight in December /
Average sunshine in December
Rio do Meio, Brazil
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in December: 8h and 0min
The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 48min).
Average sunshine days in December
Rio do Meio, Brazil
- Average sunshine days in December: 9.7 days
The months with the most sunshine days are January and February (12.1 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in December
Rio do Meio, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 5).
Average cloud cover in December
Rio do Meio, Brazil
- Average cloud cover in December: 63
The month with the most cloud cover is May (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 60).
Average visibility in December
Rio do Meio, Brazil
- Average visibility in December: 6km
The month with the highest visibility is October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (6km).
