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 marks a slight shift to an average high-temperature of a still moderately hot 28.5°C (83.3°F) from November's 28.2°C (82.8°F). Joanésia experiences an average low-temperature of 19.9°C (67.8°F) in the month of December.Heat index
For most parts of December, the heat index is estimated at a tropical 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Keep in mind the heat index values are meant for areas in shade and with light wind. 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 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
March, April and December, with an average relative humidity of 85%, are the most humid months in Joanésia.Rainfall
December is the month with the most rainfall. Rain falls for 21.5 days and accumulates 154mm (6.06") 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 December, sunrise is at 05:03 and sunset at 18:16. On the last day of the month, sunrise is at 05:16 and sunset at 18:31 -03.
Sunshine
The average sunshine in December is 6.9h.UV index
The months with the highest UV index in Joanésia are January through May, August through October and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
How hot does it get in Joanésia in December?
What are the most humid months in Joanésia?
What is the average humidity in December in Joanésia?
What is the rainiest month in Joanésia?
How much does it rain in Joanésia in December?
When are the longest days in Joanésia?
How many hours of daylight does Joanésia have in December?
When is the sunrise / sunset in December in Joanésia?
How long on average sun shines in December in Joanésia?
What is the month with the highest UV index in Joanésia?
What is the UV index reading in December in Joanésia?
Average temperature in December
Joanésia, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is October (29.5°C).
The months with the lowest average high temperature are June and July (25.3°C).
- Average low temperature in December: 19.9°C
The month with the highest average low temperature is December (19.9°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in December
Joanésia, 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
Joanésia, Brazil
- Average wind speed in December: 6km/h
The windiest month (with the highest average wind speed) is October (7.1km/h).
The calmest month (with the lowest average wind speed) is May (4.3km/h).
Average humidity in December
Joanésia, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are March, April and December (85%).
The month with the lowest relative humidity is September (68%).
Average rainfall in December
Joanésia, Brazil
- Average rainfall in December: 154mm
The wettest month (with the highest rainfall) is December (154mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in December
Joanésia, Brazil
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in December /
Average sunshine in December
Joanésia, Brazil
- Average daylight in December: 13h and 2min
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 5min
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 48min).
Average sunshine days in December
Joanésia, Brazil
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in December
Joanésia, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, August, September, October and December (UV index 6).
The months with the lowest UV index are June, July and November (UV index 5).
Average cloud cover in December
Joanésia, Brazil
- Average cloud cover in December: 56
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Joanésia, 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).
Joanésia, Brazil
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