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
Ilhabela greets December with an average high-temperature of a still warm 25.6°C (78.1°F), marking a slight deviation from the preceding month. In Ilhabela, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 22.2°C (72°F).Humidity
The average relative humidity in December in Ilhabela, Brazil, is 85%.Rainfall
In December, in Ilhabela, the rain falls for 22.9 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Ilhabela, during the entire year, the rain falls for 210.2 days and collects up to 818mm (32.2") of precipitation.Sea temperature
In Ilhabela, Brazil, the average seawater temperature in December is 24.7°C (76.5°F).Note: For someone sensitive to cold, swimming in 24.7°C (76.5°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
With an average of 13h and 36min of daylight, December has the longest days of the year in Ilhabela.On the first day of December, sunrise is at 05:05 and sunset at 18:35. On the last day of the month, sunrise is at 05:17 and sunset at 18:52 -03.
Sunshine
In December, the average sunshine in Ilhabela is 7.6h.UV index
The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 6 in December suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! UV strength is notably upped by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ilhabela in December?
What is the average humidity in December in Ilhabela?
How many days does it rain in December in Ilhabela?
What is the water temperature in December in Ilhabela?
When are the longest days in Ilhabela?
What is the average length of the day in December in Ilhabela?
When are sunrise and sunset in December in Ilhabela?
How many hours of sunshine does Ilhabela have in December?
What is the UV index intensity in December in Ilhabela?
Average temperature in December
Ilhabela, Brazil
- Average high temperature in December: 25.6°C
The warmest month (with the highest average high temperature) is February (27°C).
The months with the lowest average high temperature are July and August (21.7°C).
- Average low temperature in December: 22.2°C
The month with the highest average low temperature is February (23.3°C).
The coldest months (with the lowest average low temperature) are July and August (17.8°C).
Average pressure in December
Ilhabela, Brazil
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in December
Ilhabela, Brazil
- Average wind speed in December: 11.8km/h
The windiest months (with the highest average wind speed) are August and September (13.8km/h).
The calmest months (with the lowest average wind speed) are January and February (11.2km/h).
Average humidity in December
Ilhabela, Brazil
- Average humidity in December: 85%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (80%).
Average rainfall in December
Ilhabela, Brazil
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is February (133mm).
The driest month (with the least rainfall) is August (37mm).
Average rainfall days in December
Ilhabela, Brazil
- Average rainfall days in December: 22.9 days
The month with the highest number of rainy days is January (24.1 days).
The month with the least rainy days is August (10.8 days).
Average sea temperature in December
Ilhabela, Brazil
- Average sea temperature in December: 24.7°C
The best month for swimming (with the highest average sea temperature) is February (26.5°C).
The coldest month (with the lowest average sea temperature) is September (21.2°C).
Average daylight in December /
Average sunshine in December
Ilhabela, Brazil
- Average daylight in December: 13h and 4min
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 4min
The months with the most sunshine are February and May (Average sunshine: 8h and 6min).
The months with the least sunshine are October and November (Average sunshine: 7h and 0min).
Average sunshine days in December
Ilhabela, Brazil
- Average sunshine days in December: 5.9 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is January (4.5 days).
Average UV index in December
Ilhabela, Brazil
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are April, May, July, August and September (UV index 5).
Average cloud cover in December
Ilhabela, Brazil
- Average cloud cover in December: 45
The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in December
Ilhabela, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
