January weather forecast
Serrana, Brazil

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Weather in January

January, the same as December, is another warm summer month in Serrana, Brazil, with an average temperature varying between 19.6°C (67.3°F) and 27.8°C (82°F).

Temperature

January's weather records an average high-temperature of a still moderately hot 27.8°C (82°F), showing little deviation from December. Serrana experiences a nighttime temperature average of 19.6°C (67.3°F) during January.

Heat index

During January, the heat index is computed to be a tropical 33°C (91.4°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in January in Serrana is 87%.

Rainfall

January is the month with the most rainfall in Serrana. Rain falls for 29.4 days and accumulates 238mm (9.37") of precipitation.

Daylight

The average length of the day in January is 13h and 15min.
On the first day of January in Serrana, sunrise is at 05:31 and sunset at 18:55. On the last day of the month, sunrise is at 05:51 and sunset at 18:55 -03.

Sunshine

The month with the least sunshine in Serrana, Brazil, is January, with an average of 7.2h of sunshine.

UV index

The months with the highest UV index in Serrana are January, March, July through November, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during January translates into the following guidance:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 2, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in January in Serrana?

The high-temperature in Serrana, Brazil, during January is 27.8°C (82°F) and the low-temperature is 19.6°C (67.3°F). In January, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 33°C (91.4°F).

What is the average humidity in January in Serrana?

In January, the average relative humidity in Serrana, Brazil, is 87%.

What is the wettest month in Serrana?

January is the month with the most rainfall in Serrana. Rain falls for 29.4 days and accumulates 238mm (9.37") of precipitation.

How much does it rain in Serrana in January?

In Serrana, Brazil, during January, the rain falls for 29.4 days and regularly aggregates up to 238mm (9.37") of precipitation.

How many hours of daylight does Serrana have in January?

The average day length in January is 13h and 15min.

When is the sunrise / sunset in January in Serrana?

In January, on the first day of the month, sunrise is at 05:31 and sunset at 18:55. On the last day of the month, in Serrana, Brazil, sunrise is at 05:51 and sunset at 18:55 -03.

What is the month with the least sunshine in Serrana?

The month with the least sunshine is January, with an average of 7.2h of sunshine.

How long on average sun shines in January in Serrana?

In Serrana, the average sunshine duration in January is 7.2h.

When is the highest UV index in Serrana?

The months with the highest UV index are January, March, July through November, with an average maximum UV index of 6.

What is the UV index intensity in January in Serrana?

In Serrana, Brazil, the average daily maximum UV index in January is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in January
Serrana, Brazil

Average temperature in January - Serrana, Brazil
  • Average high temperature in January: 27.8°C

The warmest month (with the highest average high temperature) is September (31.1°C).
The month with the lowest average high temperature is June (24.2°C).

  • Average low temperature in January: 19.6°C

The month with the highest average low temperature is December (19.9°C).
The coldest month (with the lowest average low temperature) is June (14.3°C).

Average pressure in January
Serrana, Brazil

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

The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).

Average wind speed in January
Serrana, Brazil

Average wind speed in January - Serrana, Brazil
  • Average wind speed in January: 6.7km/h

The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest month (with the lowest average wind speed) is February (6.2km/h).

Average humidity in January
Serrana, Brazil

Average humidity in January - Serrana, Brazil
  • Average humidity in January: 87%

The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (54%).

Average rainfall in January
Serrana, Brazil

Average rainfall in January - Serrana, Brazil
  • Average rainfall in January: 238mm

The wettest month (with the highest rainfall) is January (238mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in January
Serrana, Brazil

Average rainfall days in January - Serrana, Brazil
  • Average rainfall days in January: 29.4 days

The month with the highest number of rainy days is December (29.7 days).
The month with the least rainy days is August (4.6 days).

Average daylight in January /
Average sunshine in January
Serrana, Brazil

Average daylight in January / Average sunshine in January - Serrana, Brazil
  • Average daylight in January: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).

Average sunshine days in January
Serrana, Brazil

Average sunshine days in January - Serrana, Brazil
  • Average sunshine days in January: 0.9 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is December (0.5 days).

Average UV index in January
Serrana, Brazil

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

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

Average cloud cover in January
Serrana, Brazil

Average cloud cover in January - Serrana, Brazil
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Serrana, Brazil

Average visibility in January - Serrana, 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 May (7km).

Serrana, Brazil

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