January weather forecastSerra do Navio, Brazil

January

Weather in January

January, like December, is another hot winter month in Serra do Navio, Brazil, with an average temperature ranging between min 23.5°C (74.3°F) and max 30°C (86°F).

Temperature

The transition into January notes an average high-temperature of a still tropical 30°C (86°F), revealing a mild distinction from the 31.7°C (89.1°F) in December. Throughout the month of January, Serra do Navio witnesses an average temperature of 23.5°C (74.3°F).

Heat index

The heat index for January is appraised at a very hot 39°C (102.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 important for children. 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Serra do Navio, the average relative humidity in January is 83%.

Rainfall

In Serra do Navio, in January, it is raining for 12.3 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Serra do Navio, there are 130.6 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Daylight

In Serra do Navio, the average length of the day in January is 12h and 5min.
On the first day of January in Serra do Navio, sunrise is at 06:29 and sunset at 18:33. On the last day of the month, sunrise is at 06:38 and sunset at 18:43 -03.

Sunshine

In Serra do Navio, the average sunshine in January is 6.8h.

UV index

January through March, May through November, with an average maximum UV index of 7, are months with the highest UV index in Serra do Navio. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 7 in January interprets into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Updated: Aug 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Serra do Navio, 30°C (86°F) is the average high-temperature and 23.5°C (74.3°F) is the average low-temperature during January. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in January is appraised at 39°C (102.2°F).

The average relative humidity in January in Serra do Navio is 83%.

In Serra do Navio, during January, the rain falls for 12.3 days and regularly aggregates up to 41mm (1.61") of precipitation.

In January, the average day length is 12h and 5min.

In January, on the first day of the month, sunrise is at 06:29 and sunset at 18:33. On the last day of the month, sunrise is at 06:38 and sunset at 18:43 -03.

In Serra do Navio, Brazil, the average sunshine duration in January is 6.8h.

The months with the highest UV index are January through March, May through November, with an average maximum UV index of 7.

In Serra do Navio, Brazil, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

31.7°C

30°C

29.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.1km/h

10km/h

9.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

16.6

13.8

12.8

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Serra do Navio, Brazil

Average high temperature in January: 30°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is March (29°C).

Average low temperature in January: 23.5°C

The month with the highest average low temperature is November (24.8°C).
The coldest month (with the lowest average low temperature) is July (23.4°C).

Average pressure in January
Serra do Navio, Brazil

Average pressure in January: 1010.9mbar

The month with the highest atmospheric pressure is July (1012.8mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).

Average wind speed in January
Serra do Navio, Brazil

Average wind speed in January: 9.5km/h

The windiest months (with the highest average wind speed) are October and November (11.5km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).

Average humidity in January
Serra do Navio, Brazil

Average humidity in January: 83%

The months with the highest relative humidity are March and April (87%).
The months with the lowest relative humidity are October and November (71%).

Average rainfall in January
Serra do Navio, Brazil

Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is December (53mm).
The driest months (with the least rainfall) are September and October (6mm).

Average rainfall days in January
Serra do Navio, Brazil

Average rainfall days in January: 12.3 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is October (5.5 days).

Average daylight in January /
Average sunshine in January
Serra do Navio, Brazil

Average daylight in January: 12h and 6min

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

Average sunshine in January: 6h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is March (Average sunshine: 6h and 0min).

Average sunshine days in January
Serra do Navio, Brazil

Average sunshine days in January: 13.8 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in January
Serra do Navio, Brazil

Average UV index in January: 7

The months with the highest UV index are January, February, March, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are April and December (UV index 6).

Average cloud cover in January
Serra do Navio, Brazil

Average cloud cover in January: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in January
Serra do Navio, Brazil

Average visibility in January: 8km

The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April and May (8km).