December weather forecastAltinho, Brazil
December
Weather in December
December, the first month of the summer in Altinho, is a hot month, with an average temperature ranging between max 30°C (86°F) and min 20.5°C (68.9°F).Temperature
Altinho experiences an average high-temperature of a hot 30°C (86°F) with the onset of December, subtly varied from November's 29.8°C (85.6°F). In the month of December, the average temperature in Altinho dips to an agreeable 20.5°C (68.9°F) during the night.Heat index
In December, the average heat index is evaluated at a fiery hot 36°C (96.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
December is the least humid month in Altinho, with an average relative humidity of 73%.Rainfall
In Altinho, during December, the rain falls for 13.5 days and regularly aggregates up to 13mm (0.51") of precipitation. In Altinho, during the entire year, the rain falls for 181.6 days and collects up to 347mm (13.66") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 36min of daylight.On the first day of December, sunrise is at 04:55 and sunset at 17:30. On the last day of the month, sunrise is at 05:09 and sunset at 17:45 -03.
Sunshine
In Altinho, the average sunshine in December is 6.7h.UV index
The months with the highest UV index are January through April, June, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 6 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altinho, Brazil
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is March (30.5°C).
The month with the lowest average high temperature is July (25.5°C).
- Average low temperature in December: 20.5°C
The months with the highest average low temperature are February and March (20.8°C).
The coldest month (with the lowest average low temperature) is August (17.4°C).
Average pressure in December
Altinho, Brazil
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is August (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1012.2mbar).
Average wind speed in December
Altinho, Brazil
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is October (13.7km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).
Average humidity in December
Altinho, Brazil
- Average humidity in December: 73%
The months with the highest relative humidity are May, June and July (86%).
The month with the lowest relative humidity is December (73%).
Average rainfall in December
Altinho, Brazil
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is March (67mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Altinho, Brazil
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is April (17.7 days).
The month with the least rainy days is November (12.5 days).
Average daylight in December /
Average sunshine in December
Altinho, Brazil
- Average daylight in December: 12h and 36min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in December: 6h and 42min
The month with the most sunshine is March (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 4h and 48min).
Average sunshine days in December
Altinho, Brazil
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is December (11.8 days).
The month with the least sunshine days is April (8.3 days).
Average UV index in December
Altinho, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, June, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May and July (UV index 5).
Average cloud cover in December
Altinho, Brazil
- Average cloud cover in December: 56
The month with the most cloud cover is July (Cloud cover 73).
The months with the least cloud cover are March and November (Cloud cover 55).
Average visibility in December
Altinho, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, November and December (9km).
The months with the lowest visibility are April, May, June, July and August (6km).
