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
December
Weather in December
Temperature
São Paulo de Olivença registers an average high-temperature of a still hot 30.3°C (86.5°F) with the arrival of December, showing minor deviation from the preceding month. During December, São Paulo de Olivença's temperature averages to an agreeable 22.5°C (72.5°F) at night.Heat index
During December, the heat index is computed to be a scorching 42°C (107.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In December, the average relative humidity is 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 29.8 days and typically aggregates up to 260mm (10.24") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 18min of daylight.On the first day of the month, sunrise is at 06:15 and sunset at 18:34. On the last day of December, sunrise is at 06:29 and sunset at 18:48 -04.
Sunshine
In São Paulo de Olivença, the average sunshine in December is 5.7h.UV index
The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during December translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
When are the longest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does São Paulo de Olivença have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
São Paulo de Olivença, Brazil
- Average high temperature in December: 30.3°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The months with the lowest average high temperature are January and May (29.8°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is October (22.7°C).
The coldest month (with the lowest average low temperature) is July (20.7°C).
Average pressure in December
São Paulo de Olivença, Brazil
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is July (1012.6mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
São Paulo de Olivença, Brazil
- Average wind speed in December: 3.4km/h
The windiest months (with the highest average wind speed) are August, September, October and November (3.6km/h).
The calmest month (with the lowest average wind speed) is May (3.2km/h).
Average humidity in December
São Paulo de Olivença, Brazil
- Average humidity in December: 89%
The months with the highest relative humidity are January, February, March, April and May (90%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
São Paulo de Olivença, Brazil
- Average rainfall in December: 260mm
The wettest month (with the highest rainfall) is December (260mm).
The driest month (with the least rainfall) is August (59mm).
Average rainfall days in December
São Paulo de Olivença, Brazil
- Average rainfall days in December: 29.8 days
The month with the highest number of rainy days is January (29.9 days).
The month with the least rainy days is August (19.8 days).
Average daylight in December /
Average sunshine in December
São Paulo de Olivença, Brazil
- Average daylight in December: 12h and 2min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The months with the least sunshine are March and April (Average sunshine: 5h and 36min).
Average sunshine days in December
São Paulo de Olivença, Brazil
- Average sunshine days in December: 1 days
The month with the most sunshine days is August (9.8 days).
The month with the least sunshine days is January (0.8 days).
Average UV index in December
São Paulo de Olivença, Brazil
- Average UV index in December: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in December
São Paulo de Olivença, Brazil
- Average cloud cover in December: 68
The month with the most cloud cover is April (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 42).
Average visibility in December
São Paulo de Olivença, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August and September (8km).
The month with the lowest visibility is April (5km).
