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
Cosmópolis, Brazil, experiences an average high-temperature of a still moderately hot 28.8°C (83.8°F) in December, subtly different from November's 28.2°C (82.8°F). Throughout the nights in December, Cosmópolis experiences an average low-temperature of 19.5°C (67.1°F).Heat index
For most parts of December, the heat index is estimated at a tropical 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In December, the average relative humidity in Cosmópolis is 80%.Rainfall
In Cosmópolis, in December, during 22.5 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Cosmópolis, during the entire year, the rain falls for 187.6 days and collects up to 941mm (37.05") of precipitation.Daylight
December has the longest days of the year in Cosmópolis, with an average of 13h and 30min of daylight.On the first day of the month, sunrise is at 05:15 and sunset at 18:40. On the last day of December, sunrise is at 05:27 and sunset at 18:56 -03.
Sunshine
In December, the average sunshine is 8h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 6 suggests this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
How hot is it in Cosmópolis in December?
What is the average humidity in December in Cosmópolis?
How much does it rain in Cosmópolis in December?
When are the longest days in Cosmópolis?
How many hours of daylight does Cosmópolis have in December?
What time are sunrise and sunset in December in Cosmópolis?
How long on average sun shines in December in Cosmópolis?
When is the highest UV index in Cosmópolis?
What is the UV index intensity in December in Cosmópolis?
Average temperature in December
Cosmópolis, Brazil
- Average high temperature in December: 28.8°C
The warmest month (with the highest average high temperature) is October (28.9°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is December (19.5°C).
The coldest month (with the lowest average low temperature) is June (13.3°C).
Average pressure in December
Cosmópolis, Brazil
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Cosmópolis, Brazil
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is October (9.6km/h).
The calmest months (with the lowest average wind speed) are February and April (7.3km/h).
Average humidity in December
Cosmópolis, Brazil
- Average humidity in December: 80%
The months with the highest relative humidity are January, February and March (84%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in December
Cosmópolis, Brazil
- Average rainfall in December: 118mm
The wettest month (with the highest rainfall) is January (166mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Cosmópolis, Brazil
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is January (24.7 days).
The month with the least rainy days is August (6.6 days).
Average daylight in December /
Average sunshine in December
Cosmópolis, Brazil
- Average daylight in December: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 8h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in December
Cosmópolis, Brazil
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in December
Cosmópolis, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in December
Cosmópolis, Brazil
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Cosmópolis, Brazil
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June and December (8km).
Cosmópolis, Brazil
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