December weather forecastSarandi, Brazil

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Sarandi, Brazil, with an average temperature varying between 29.5°C (85.1°F) and 20.1°C (68.2°F).

Temperature

The initiation of December sees an average high-temperature of a still warm 29.5°C (85.1°F), showing minor variations from the previous month. Sarandi observes an average nighttime low-temperature of 20.1°C (68.2°F) during the month of December.

Heat index

For December, the heat index is calculated to be a very hot 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Sarandi, the average relative humidity in December is 79%.

Rainfall

In Sarandi, during December, the rain falls for 25.4 days and regularly aggregates up to 170mm (6.69") of precipitation. Throughout the year, there are 196.7 rainfall days, and 1243mm (48.94") of precipitation is accumulated.

Daylight

With an average of 13h and 36min of daylight, December has the longest days of the year in Sarandi.
On the first day of the month, sunrise is at 05:32 and sunset at 19:01. On the last day of December, sunrise is at 05:44 and sunset at 19:17 -03.

Sunshine

In December, the average sunshine in Sarandi is 8.1h.

UV index

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during December leads to these advisories:
Act with care - The need to guard against sun damage is communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

In December, the average high-temperature and low-temperature in Sarandi are 29.5°C (85.1°F) and 20.1°C (68.2°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 36°C (96.8°F).

In December, the average relative humidity in Sarandi is 79%.

In December, in Sarandi, Brazil, the rain falls for 25.4 days. Throughout December, 170mm (6.69") of precipitation is accumulated.

The month with the longest days is December, with an average of 13h and 36min of daylight.

The average day length in December in Sarandi, Brazil, is 13h and 33min.

In December, on the first day of the month, sunrise is at 05:32 and sunset at 19:01. On the last day of the month, sunrise is at 05:44 and sunset at 19:17 -03.

In December, the average sunshine duration in Sarandi is 8.1h.

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index.

The average daily maximum UV index in December in Sarandi is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sarandi, Brazil

  • Average high temperature in December: 29.5°C

The warmest months (with the highest average high temperature) are October and November (29.7°C).
The month with the lowest average high temperature is June (22.3°C).

  • Average low temperature in December: 20.1°C

The month with the highest average low temperature is February (20.2°C).
The coldest months (with the lowest average low temperature) are June and July (13.8°C).

Average pressure in December
Sarandi, Brazil

  • Average pressure in December: 1010.1mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).

Average wind speed in December
Sarandi, Brazil

  • Average wind speed in December: 9.3km/h

The windiest month (with the highest average wind speed) is August (11.8km/h).
The calmest months (with the lowest average wind speed) are January and February (8.7km/h).

Average humidity in December
Sarandi, Brazil

  • Average humidity in December: 79%

The months with the highest relative humidity are January, February and June (85%).
The month with the lowest relative humidity is September (63%).

Average rainfall in December
Sarandi, Brazil

  • Average rainfall in December: 170mm

The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is August (44mm).

Average rainfall days in December
Sarandi, Brazil

  • Average rainfall days in December: 25.4 days

The month with the highest number of rainy days is January (26.8 days).
The month with the least rainy days is August (7.2 days).

Average daylight in December /
Average sunshine in December
Sarandi, Brazil

  • Average daylight in December: 13h and 36min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in December: 8h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).

Average sunshine days in December
Sarandi, Brazil

  • Average sunshine days in December: 4.5 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (2.3 days).

Average UV index in December
Sarandi, Brazil

  • Average UV index in December: 5

The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).

Average cloud cover in December
Sarandi, Brazil

  • Average cloud cover in December: 41

The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Sarandi, Brazil

  • Average visibility in December: 8km

The months with the highest visibility are April, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, May, June and December (8km).