December weather forecastDionísio, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Dionísio, Brazil, with an average temperature varying between 19.3°C (66.7°F) and 28.1°C (82.6°F).Temperature
With the transition into December, Dionísio notes an average high-temperature of a still moderately hot 28.1°C (82.6°F), closely resembling November. Dionísio records an average low of 19.3°C (66.7°F) throughout the nights in December.Heat index
The average heat index in December is estimated at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The months with the highest humidity in Dionísio are March, April and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall. Rain falls for 24.8 days and accumulates 186mm (7.32") of precipitation.Daylight
With an average of 13h and 18min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:02 and sunset at 18:17. On the last day of December, sunrise is at 05:15 and sunset at 18:33 -03.
Sunshine
In December, the average sunshine is 6.9h.UV index
The months with the highest UV index in Dionísio, Brazil, are January, February, August, September and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: During December, 6 as the daily maximum UV index converts into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dionísio, Brazil
- Average high temperature in December: 28.1°C
The warmest month (with the highest average high temperature) is February (28.9°C).
The months with the lowest average high temperature are June and July (24.8°C).
- Average low temperature in December: 19.3°C
The months with the highest average low temperature are January and December (19.3°C).
The coldest month (with the lowest average low temperature) is July (13.4°C).
Average pressure in December
Dionísio, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
Dionísio, Brazil
- Average wind speed in December: 6km/h
The windiest months (with the highest average wind speed) are September and October (7km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in December
Dionísio, Brazil
- Average humidity in December: 86%
The months with the highest relative humidity are March, April and December (86%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Dionísio, Brazil
- Average rainfall in December: 186mm
The wettest month (with the highest rainfall) is December (186mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in December
Dionísio, Brazil
- Average rainfall days in December: 24.8 days
The month with the highest number of rainy days is December (24.8 days).
The month with the least rainy days is July (10 days).
Average daylight in December /
Average sunshine in December
Dionísio, Brazil
- Average daylight in December: 13h and 18min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in December: 6h and 54min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in December
Dionísio, Brazil
- Average sunshine days in December: 3.4 days
The month with the most sunshine days is August (16 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in December
Dionísio, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, August, September and December (UV index 6).
The months with the lowest UV index are March, April, May, June, July, October and November (UV index 5).
Average cloud cover in December
Dionísio, Brazil
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Dionísio, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May and December (7km).
