Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January's onset records a minor alteration in the average high-temperature to a still moderately hot 27.2°C (81°F) from December's 26°C (78.8°F). Nighttime temperatures in Itanhaém hover around an average low of 22.5°C (72.5°F) in January, a slight descent from daytime highs.Heat index
The average heat index in January is estimated at a hot 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in January is 84%.Rainfall
January is the month with the most rainfall in Itanhaém, Brazil. Rain falls for 23.7 days and accumulates 112mm (4.41") of precipitation.Sea temperature
In Itanhaém, in January, the average water temperature is 26.8°C (80.2°F).Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Daylight
In Itanhaém, the average length of the day in January is 13h and 26min.On the first day of the month, sunrise is at 05:22 and sunset at 18:58. On the last day of January, in Itanhaém, sunrise is at 05:44 and sunset at 18:56 -03.
Sunshine
In January, the average sunshine is 7.1h.UV index
The months with the highest UV index are January through March, June and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 6 in January translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Itanhaém?
What is the average humidity in January in Itanhaém?
What is the wettest month in Itanhaém?
How much does it rain in Itanhaém in January?
How warm is the water in January in Itanhaém?
How many hours of daylight does Itanhaém have in January?
When is the sunrise / sunset in January in Itanhaém?
How long on average sun shines in January in Itanhaém?
What is the month with the highest UV index in Itanhaém?
How high is the UV index in January in Itanhaém?
Average temperature in January
Itanhaém, Brazil
- Average high temperature in January: 27.2°C
The warmest month (with the highest average high temperature) is February (27.6°C).
The month with the lowest average high temperature is July (21.4°C).
- Average low temperature in January: 22.5°C
The months with the highest average low temperature are January and February (22.5°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).
Average pressure in January
Itanhaém, Brazil
- Average pressure in January: 1012.2mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in January
Itanhaém, Brazil
- Average wind speed in January: 9.8km/h
The windiest month (with the highest average wind speed) is November (11.2km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).
Average humidity in January
Itanhaém, Brazil
- Average humidity in January: 84%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (81%).
Average rainfall in January
Itanhaém, Brazil
- Average rainfall in January: 112mm
The wettest month (with the highest rainfall) is January (112mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in January
Itanhaém, Brazil
- Average rainfall days in January: 23.7 days
The month with the highest number of rainy days is January (23.7 days).
The month with the least rainy days is August (10.4 days).
Average sea temperature in January
Itanhaém, Brazil
- Average sea temperature in January: 26.8°C
The best month for swimming (with the highest average sea temperature) is February (27.3°C).
The coldest month (with the lowest average sea temperature) is September (20.3°C).
Average daylight in January /
Average sunshine in January
Itanhaém, Brazil
- Average daylight in January: 13h and 2min
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 January: 7h and 1min
The months with the most sunshine are February and April (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in January
Itanhaém, Brazil
- Average sunshine days in January: 5.5 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is February (4 days).
Average UV index in January
Itanhaém, Brazil
- Average UV index in January: 6
The months with the highest UV index are January, February, March, June and December (UV index 6).
The months with the lowest UV index are April, May, July, August, September, October and November (UV index 5).
Average cloud cover in January
Itanhaém, Brazil
- Average cloud cover in January: 48
The month with the most cloud cover is November (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in January
Itanhaém, Brazil
- Average visibility in January: 10km
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).
