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 sea temperature 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
The start of December marks an average high-temperature of a still moderately hot 26.1°C (79°F), hardly distinguishable from the conditions in November. Itapema, in December, witnesses an average low-temperature of 20.9°C (69.6°F).Humidity
The average relative humidity in December is 84%.Rainfall
In Itapema, in December, during 16.8 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, in Itapema, Brazil, there are 156.8 rainfall days, and 395mm (15.55") of precipitation is accumulated.Sea temperature
In Itapema, in December, the average water temperature is 24.3°C (75.7°F).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.3°C (75.7°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)
Daylight
December has the longest days of the year, with an average of 13h and 48min of daylight.On the first day of December, sunrise is at 05:11 and sunset at 18:55. On the last day of the month, sunrise is at 05:23 and sunset at 19:12 -03.
Sunshine
In Itapema, the average sunshine in December is 6.9h.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The Sun's UV exposure elevates with sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Itapema?
What is the average humidity in December in Itapema?
How many days does it rain in December in Itapema?
What is the water temperature in December in Itapema?
When are the longest days in Itapema?
What is the average length of the day in December in Itapema?
When are sunrise and sunset in December in Itapema?
How many hours of sunshine does Itapema have in December?
What are the months with the highest UV index in Itapema?
What is the UV index reading in December in Itapema?
Average temperature in December
Itapema, Brazil
- Average high temperature in December: 26.1°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in December: 20.9°C
The month with the highest average low temperature is February (22.3°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure in December
Itapema, Brazil
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Itapema, Brazil
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is November (12.7km/h).
The calmest month (with the lowest average wind speed) is June (10.9km/h).
Average humidity in December
Itapema, Brazil
- Average humidity in December: 84%
The months with the highest relative humidity are September and October (85%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Itapema, Brazil
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is February (61mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in December
Itapema, Brazil
- Average rainfall days in December: 16.8 days
The months with the highest number of rainy days are March and December (16.8 days).
The month with the least rainy days is August (9.8 days).
Average sea temperature in December
Itapema, Brazil
- Average sea temperature in December: 24.3°C
The best months for swimming (with the highest average sea temperature) are January and February (26°C).
The coldest months (with the lowest average sea temperature) are July and August (18.6°C).
Average daylight in December /
Average sunshine in December
Itapema, Brazil
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).
Average sunshine days in December
Itapema, Brazil
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is August (18 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in December
Itapema, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Itapema, Brazil
- Average cloud cover in December: 56
The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in December
Itapema, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May and June (10km).
The months with the lowest visibility are July, August, September, October, November and December (9km).
