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
São José do Calçado sees the arrival of December with an average high-temperature of a still warm 28.7°C (83.7°F), indicating a subtle variation from November. December nights in São José do Calçado experience a consistent temperature drop to a refreshing 19.9°C (67.8°F).Heat index
December's heat index is evaluated at a torrid 35°C (95°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in December is 86%.Rainfall
December is the month with the most rainfall. Rain falls for 26.4 days and accumulates 207mm (8.15") of precipitation.Daylight
The month with the longest days in São José do Calçado, Brazil, is December, with an average of 13h and 24min of daylight.On the first day of the month, sunrise is at 04:56 and sunset at 18:15. On the last day of December, in São José do Calçado, sunrise is at 05:08 and sunset at 18:31 -03.
Sunshine
The average sunshine in December in São José do Calçado, Brazil, is 7.8h.UV index
January, February, August, September and December, with an average maximum UV index of 6, are months with the highest UV index in São José do Calçado, Brazil. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
How hot is it in São José do Calçado in December?
What is the average humidity in December in São José do Calçado?
What is the rainiest month in São José do Calçado?
How many days does it rain in December in São José do Calçado?
When are the longest days in São José do Calçado?
How many hours of daylight does São José do Calçado have in December?
When is the sunrise / sunset in December in São José do Calçado?
How many hours of sunshine does São José do Calçado have in December?
When is the highest UV index in São José do Calçado?
What is the UV index reading in December in São José do Calçado?
Average temperature in December
São José do Calçado, Brazil
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is June (24.6°C).
- Average low temperature in December: 19.9°C
The month with the highest average low temperature is January (20.1°C).
The coldest months (with the lowest average low temperature) are June and July (14.9°C).
Average pressure in December
São José do Calçado, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
São José do Calçado, Brazil
- Average wind speed in December: 5.5km/h
The windiest months (with the highest average wind speed) are September and October (6.6km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).
Average humidity in December
São José do Calçado, Brazil
- Average humidity in December: 86%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is September (72%).
Average rainfall in December
São José do Calçado, Brazil
- Average rainfall in December: 207mm
The wettest month (with the highest rainfall) is December (207mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
São José do Calçado, Brazil
- Average rainfall days in December: 26.4 days
The month with the highest number of rainy days is December (26.4 days).
The month with the least rainy days is July (7.2 days).
Average daylight in December /
Average sunshine in December
São José do Calçado, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in December
São José do Calçado, Brazil
- Average sunshine days in December: 3.5 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in December
São José do Calçado, 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
São José do Calçado, Brazil
- Average cloud cover in December: 54
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 36).
Average visibility in December
São José do Calçado, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are April and May (6km).
São José do Calçado, Brazil
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