December weather forecastItararé, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Itararé, Brazil, with temperature in the range of an average low of 17.5°C (63.5°F) and an average high of 27.4°C (81.3°F).Temperature
Itararé's December weather, marked by an average high temperature of 27.4°C (81.3°F) and an average low temperature of 17.5°C (63.5°F), is the warmest in the year.Heat index
Throughout December, the heat index is estimated at a hot 31°C (87.8°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in December is 82%.Rainfall
In December, in Itararé, Brazil, the rain falls for 26.3 days. Throughout December, 152mm (5.98") of precipitation is accumulated. In Itararé, during the entire year, the rain falls for 218.2 days and collects up to 1124mm (44.25") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 36min of daylight.On the first day of the month, sunrise is at 05:20 and sunset at 18:52. On the last day of December, in Itararé, sunrise is at 05:32 and sunset at 19:08 -03.
Sunshine
The average sunshine in December in Itararé, Brazil, is 7.7h.UV index
In Itararé, Brazil, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Itararé, Brazil
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is December (27.4°C).
The month with the lowest average high temperature is June (20.2°C).
- Average low temperature in December: 17.5°C
The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is June (11.2°C).
Average pressure in December
Itararé, Brazil
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in December
Itararé, Brazil
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is November (8.1km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).
Average humidity in December
Itararé, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are May and June (87%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Itararé, Brazil
- Average rainfall in December: 152mm
The wettest month (with the highest rainfall) is January (205mm).
The driest month (with the least rainfall) is August (38mm).
Average rainfall days in December
Itararé, Brazil
- Average rainfall days in December: 26.3 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in December /
Average sunshine in December
Itararé, 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: 7h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in December
Itararé, Brazil
- Average sunshine days in December: 3.5 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (1.9 days).
Average UV index in December
Itararé, Brazil
- Average UV index in December: 5
The months with the highest UV index are January and March (UV index 6).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in December
Itararé, Brazil
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Itararé, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September, October and November (8km).
The months with the lowest visibility are May and June (6km).
