January weather forecast
Cumari, Brazil

January

Weather in January

January, the same as December, is another warm summer month in Cumari, Brazil, with an average temperature ranging between min 18.9°C (66°F) and max 27.5°C (81.5°F).

Temperature

The onset of January notes an average high-temperature of a still moderately hot 27.5°C (81.5°F), subtly shifted from December's 27.7°C (81.9°F). Throughout January, the temperature tends to fall to a consistent average low of 18.9°C (66°F).

Heat index

In January, the heat index is estimated at a hot 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In January, the average relative humidity in Cumari is 85%.

Rainfall

In January, the rain falls for 29 days. Throughout January, 255mm (10.04") of precipitation is accumulated. In Cumari, during the entire year, the rain falls for 222.7 days and collects up to 1699mm (66.89") of precipitation.

Daylight

In Cumari, the average length of the day in January is 13h and 5min.
On the first day of the month, sunrise is at 05:39 and sunset at 18:52. On the last day of January, in Cumari, sunrise is at 05:58 and sunset at 18:53 -03.

Sunshine

The average sunshine in January is 7.4h.

UV index

The months with the highest UV index in Cumari are January, July through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during January morphs into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What are the temperatures in Cumari in January?
The high-temperature in Cumari during January is 27.5°C (81.5°F) and the low-temperature is 18.9°C (66°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in January is estimated at 32°C (89.6°F).
What is the average humidity in January in Cumari?
In January, the average relative humidity in Cumari is 85%.
How much does it rain in Cumari in January?
In Cumari, Brazil, in January, during 29 rainfall days, 255mm (10.04") of precipitation is typically accumulated.
How many hours of daylight does Cumari have in January?
The average day length in January in Cumari is 13h and 5min.
When are sunrise and sunset in January in Cumari?
In January, on the first day of the month, sunrise is at 05:39 and sunset at 18:52. On the last day of the month, in Cumari, sunrise is at 05:58 and sunset at 18:53 -03.
How many hours of sunshine does Cumari have in January?
In January, the average sunshine duration is 7.4h.
What are the months with the highest UV index in Cumari?
The months with the highest UV index are January, July through October, with an average maximum UV index of 6.
What is the UV index intensity in January in Cumari?
The average daily maximum UV index in January in Cumari, Brazil, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Cumari, Brazil
Average temperature in January
Cumari, Brazil
  • Average high temperature in January: 27.5°C

The warmest month (with the highest average high temperature) is September (31.8°C).
The month with the lowest average high temperature is June (25.4°C).

  • Average low temperature in January: 18.9°C

The month with the highest average low temperature is October (19.7°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).

Average pressure in January - Cumari, Brazil
Average pressure in January
Cumari, Brazil
  • Average pressure in January: 1012.5mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).

Average wind speed in January - Cumari, Brazil
Average wind speed in January
Cumari, Brazil
  • Average wind speed in January: 7km/h

The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is March (6.4km/h).

Average humidity in January - Cumari, Brazil
Average humidity in January
Cumari, Brazil
  • Average humidity in January: 85%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (46%).

Average rainfall in January - Cumari, Brazil
Average rainfall in January
Cumari, Brazil
  • Average rainfall in January: 255mm

The wettest month (with the highest rainfall) is December (284mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in January - Cumari, Brazil
Average rainfall days in January
Cumari, Brazil
  • Average rainfall days in January: 29 days

The month with the highest number of rainy days is December (30.3 days).
The month with the least rainy days is August (2.9 days).

Average daylight in January / Average sunshine in January - Cumari, Brazil
Average daylight in January /
Average sunshine in January
Cumari, Brazil
  • Average daylight in January: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in January: 7h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 18min).

Average sunshine days in January - Cumari, Brazil
Average sunshine days in January
Cumari, Brazil
  • Average sunshine days in January: 1.7 days

The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is December (0.5 days).

Average UV index in January - Cumari, Brazil
Average UV index in January
Cumari, Brazil
  • Average UV index in January: 6

The months with the highest UV index are January, July, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, November and December (UV index 5).

Average cloud cover in January - Cumari, Brazil
Average cloud cover in January
Cumari, Brazil
  • Average cloud cover in January: 54

The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in January - Cumari, Brazil
Average visibility in January
Cumari, Brazil
  • Average visibility in January: 7km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April and December (7km).

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