December weather forecastMonte Alegre do Piauí, Brazil
December
Weather in December
The first month of the summer, December, is still a hot month in Monte Alegre do Piauí, Brazil, with an average temperature varying between 32.3°C (90.1°F) and 21.6°C (70.9°F).Temperature
The average high-temperature during December is a still tropical 32.3°C (90.1°F), almost matching the conditions of the preceding month. Monte Alegre do Piauí's temperature lowers to a mean of 21.6°C (70.9°F) during the nights in December.Heat index
December's mean heat index is estimated at a blisteringly hot 40°C (104°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in December in Monte Alegre do Piauí is 67%.Rainfall
In Monte Alegre do Piauí, during December, the rain falls for 20.5 days and regularly aggregates up to 81mm (3.19") of precipitation. In Monte Alegre do Piauí, during the entire year, the rain falls for 161.3 days and collects up to 709mm (27.91") of precipitation.Daylight
With an average of 12h and 42min of daylight, December has the longest days of the year in Monte Alegre do Piauí.On the first day of the month, sunrise is at 05:30 and sunset at 18:10. On the last day of December, in Monte Alegre do Piauí, sunrise is at 05:43 and sunset at 18:25 -03.
Sunshine
December has the most sunshine of the year, with an average of 10.5h of sunshine.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 during December translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monte Alegre do Piauí, Brazil
- Average high temperature in December: 32.3°C
The warmest month (with the highest average high temperature) is September (35.8°C).
The months with the lowest average high temperature are February, March and April (30.8°C).
- Average low temperature in December: 21.6°C
The month with the highest average low temperature is October (23.1°C).
The coldest month (with the lowest average low temperature) is July (19.5°C).
Average pressure in December
Monte Alegre do Piauí, Brazil
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Monte Alegre do Piauí, Brazil
- Average wind speed in December: 7.9km/h
The windiest months (with the highest average wind speed) are July and August (13.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).
Average humidity in December
Monte Alegre do Piauí, Brazil
- Average humidity in December: 67%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is September (39%).
Average rainfall in December
Monte Alegre do Piauí, Brazil
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is March (147mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in December
Monte Alegre do Piauí, Brazil
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Monte Alegre do Piauí, Brazil
- Average daylight in December: 12h and 42min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in December: 10h and 30min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in December
Monte Alegre do Piauí, Brazil
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is March (3.1 days).
Average UV index in December
Monte Alegre do Piauí, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are February and December (UV index 6).
Average cloud cover in December
Monte Alegre do Piauí, Brazil
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Monte Alegre do Piauí, Brazil
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).
