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
Jerônimo Monteiro observes an average high-temperature of a still warm 28.5°C (83.3°F) in December, barely different from 27.1°C (80.8°F) in November. Jerônimo Monteiro's temperature drops to an average low of 20.3°C (68.5°F) during the nights of December.Heat index
The heat index value during December is calculated to be a tropical 34°C (93.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in December in Jerônimo Monteiro is 85%.Rainfall
In Jerônimo Monteiro, in December, it is raining for 23.6 days, with typically 135mm (5.31") of accumulated precipitation. Throughout the year, there are 207.5 rainfall days, and 823mm (32.4") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 24min of daylight.On the first day of December, sunrise is at 04:55 and sunset at 18:13. On the last day of the month, sunrise is at 05:07 and sunset at 18:29 -03.
Sunshine
The average sunshine in December is 8.2h.UV index
The months with the highest UV index in Jerônimo Monteiro are January through March, August, October and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
How hot is it in Jerônimo Monteiro in December?
What is the average humidity in December in Jerônimo Monteiro?
How much does it rain in Jerônimo Monteiro in December?
When are the longest days in Jerônimo Monteiro?
How many hours of daylight does Jerônimo Monteiro have in December?
When is the sunrise / sunset in December in Jerônimo Monteiro?
How long on average sun shines in December in Jerônimo Monteiro?
What are the months with the highest UV index in Jerônimo Monteiro?
What is the UV index reading in December in Jerônimo Monteiro?
Average temperature in December
Jerônimo Monteiro, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The months with the lowest average high temperature are June and July (24.6°C).
- Average low temperature in December: 20.3°C
The months with the highest average low temperature are January, February and December (20.3°C).
The coldest month (with the lowest average low temperature) is July (15.3°C).
Average pressure in December
Jerônimo Monteiro, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
Jerônimo Monteiro, Brazil
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest months (with the lowest average wind speed) are April and May (5.8km/h).
Average humidity in December
Jerônimo Monteiro, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Jerônimo Monteiro, Brazil
- Average rainfall in December: 135mm
The wettest month (with the highest rainfall) is November (137mm).
The driest months (with the least rainfall) are July and August (18mm).
Average rainfall days in December
Jerônimo Monteiro, Brazil
- Average rainfall days in December: 23.6 days
The month with the highest number of rainy days is March (24.2 days).
The month with the least rainy days is July (10.3 days).
Average daylight in December /
Average sunshine in December
Jerônimo Monteiro, 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: 8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in December
Jerônimo Monteiro, Brazil
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in December
Jerônimo Monteiro, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, August, October and December (UV index 6).
The months with the lowest UV index are April, May, June, July, September and November (UV index 5).
Average cloud cover in December
Jerônimo Monteiro, Brazil
- Average cloud cover in December: 47
The month with the most cloud cover is November (Cloud cover 54).
The months with the least cloud cover are January and February (Cloud cover 33).
Average visibility in December
Jerônimo Monteiro, Brazil
- Average visibility in December: 8km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (7km).
Jerônimo Monteiro, Brazil
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