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 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
Weather in January
Temperature
Rio Grande da Serra marks the onset of January with an average high-temperature of a still warm 27.5°C (81.5°F), subtly divergent from December's 26.6°C (79.9°F). Rio Grande da Serra sustains a near constant temperature throughout January, with nighttime averages of 23.5°C (74.3°F).Heat index
In January, the average heat index is evaluated at a hot 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in January in Rio Grande da Serra is 81%.Rainfall
In Rio Grande da Serra, in January, during 23.3 rainfall days, 123mm (4.84") of precipitation is typically accumulated. Throughout the year, there are 191.3 rainfall days, and 819mm (32.24") of precipitation is accumulated.Daylight
The average length of the day in January is 13h and 25min.On the first day of the month, sunrise is at 05:21 and sunset at 18:56. On the last day of January, in Rio Grande da Serra, Brazil, sunrise is at 05:43 and sunset at 18:54 -03.
Sunshine
In January, the average sunshine is 7.7h.UV index
With an average maximum UV index of 7, January is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily UV index of 7 turns into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the usual temperature for Rio Grande da Serra in January?
What is the average humidity in January in Rio Grande da Serra?
How many days does it rain in January in Rio Grande da Serra?
What is the average length of the day in January in Rio Grande da Serra?
What time are sunrise and sunset in January in Rio Grande da Serra?
How long on average sun shines in January in Rio Grande da Serra?
What is the month with the highest UV index in Rio Grande da Serra?
What is the UV index reading in January in Rio Grande da Serra?
Average temperature in January
Rio Grande da Serra, Brazil
- Average high temperature in January: 27.5°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (22°C).
- Average low temperature in January: 23.5°C
The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (17.5°C).
Average pressure in January
Rio Grande da Serra, Brazil
- Average pressure in January: 1012.4mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in January
Rio Grande da Serra, Brazil
- Average wind speed in January: 10.2km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9.8km/h).
Average humidity in January
Rio Grande da Serra, Brazil
- Average humidity in January: 81%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (78%).
Average rainfall in January
Rio Grande da Serra, Brazil
- Average rainfall in January: 123mm
The wettest month (with the highest rainfall) is February (125mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in January
Rio Grande da Serra, Brazil
- Average rainfall days in January: 23.3 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (9.1 days).
Average daylight in January /
Average sunshine in January
Rio Grande da Serra, 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 4min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in January
Rio Grande da Serra, Brazil
- Average sunshine days in January: 4.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in January
Rio Grande da Serra, Brazil
- Average UV index in January: 7
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, July, August and September (UV index 5).
Average cloud cover in January
Rio Grande da Serra, Brazil
- Average cloud cover in January: 43
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Rio Grande da Serra, Brazil
- Average visibility in January: 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).
Rio Grande da Serra, Brazil
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