January weather forecast
Cerro Viejo, Chile

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Weather in January

January, like December, in Cerro Viejo, Chile, is a moderately hot summer month, with an average temperature varying between 13.9°C (57°F) and 29.3°C (84.7°F).

Temperature

Cerro Viejo's January weather, marked by an average high temperature of 29.3°C (84.7°F) and an average low temperature of 13.9°C (57°F), is the warmest in the year.

Heat index

For January, the heat index is appraised at a tropical 31°C (87.8°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

January, March and April, with an average relative humidity of 54%, are the least humid months in Cerro Viejo, Chile.

Rainfall

In Cerro Viejo, in January, during 1 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In Cerro Viejo, during the entire year, the rain falls for 42.3 days and collects up to 215mm (8.46") of precipitation.

Daylight

In January, the average length of the day is 14h and 3min.
On the first day of the month, sunrise is at 06:38 and sunset at 20:57. On the last day of January, sunrise is at 07:06 and sunset at 20:49 -03.

Sunshine

The average sunshine in January in Cerro Viejo is 9.9h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 in January translates into these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jan 24, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What time of the year is the hottest in Cerro Viejo?

The warmest period tends to be January, when average temperatures fluctuate between a high of 29.3°C (84.7°F) and a low of 13.9°C (57°F).

How hot is it in Cerro Viejo in January?

During January, Cerro Viejo experiences an average high-temperature of 29.3°C (84.7°F) and a low-temperature of 13.9°C (57°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in January is appraised at 31°C (87.8°F).

What are the least humid months in Cerro Viejo?

January, March and April, with an average relative humidity of 54%, are the least humid months in Cerro Viejo, Chile.

What is the average humidity in January in Cerro Viejo?

The average relative humidity in January in Cerro Viejo is 54%.

How many days does it rain in January in Cerro Viejo?

In January, the rain falls for 1 days. Throughout January, 2mm (0.08") of precipitation is accumulated.

What is the average length of the day in January in Cerro Viejo?

The average day length in January in Cerro Viejo, Chile, is 14h and 3min.

When are sunrise and sunset in January in Cerro Viejo?

On the first day of January in Cerro Viejo, Chile, sunrise is at 06:38 and sunset at 20:57. On the last day of the month, sunrise is at 07:06 and sunset at 20:49 -03.

How long on average sun shines in January in Cerro Viejo?

The average sunshine duration in January in Cerro Viejo, Chile, is 9.9h.

When is the highest UV index in Cerro Viejo?

The months with the highest UV index in Cerro Viejo are January, February and December, with an average maximum UV index of 6.

What is the UV index reading in January in Cerro Viejo?

In January, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Cerro Viejo, Chile

Average temperature in January - Cerro Viejo, Chile
  • Average high temperature in January: 29.3°C

The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (15.8°C).

  • Average low temperature in January: 13.9°C

The month with the highest average low temperature is January (13.9°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).

Average pressure in January
Cerro Viejo, Chile

Average pressure in January - Cerro Viejo, Chile
  • Average pressure in January: 1014.7mbar

The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).

Average wind speed in January
Cerro Viejo, Chile

Average wind speed in January - Cerro Viejo, Chile
  • Average wind speed in January: 8.1km/h

The windiest month (with the highest average wind speed) is December (8.2km/h).
The calmest month (with the lowest average wind speed) is May (5.8km/h).

Average humidity in January
Cerro Viejo, Chile

Average humidity in January - Cerro Viejo, Chile
  • Average humidity in January: 54%

The months with the highest relative humidity are July and August (67%).
The months with the lowest relative humidity are January, March and April (54%).

Average rainfall in January
Cerro Viejo, Chile

Average rainfall in January - Cerro Viejo, Chile
  • Average rainfall in January: 2mm

The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are February and March (1mm).

Average rainfall days in January
Cerro Viejo, Chile

Average rainfall days in January - Cerro Viejo, Chile
  • Average rainfall days in January: 1 days

The month with the highest number of rainy days is June (7.1 days).
The month with the least rainy days is February (0.9 days).

Average daylight in January /
Average sunshine in January
Cerro Viejo, Chile

Average daylight in January / Average sunshine in January - Cerro Viejo, Chile
  • Average daylight in January: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in January: 9h and 5min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 6min).

Average sunshine days in January
Cerro Viejo, Chile

Average sunshine days in January - Cerro Viejo, Chile
  • Average sunshine days in January: 29.2 days

The month with the most sunshine days is March (29.8 days).
The month with the least sunshine days is June (22.2 days).

Average UV index in January
Cerro Viejo, Chile

Average UV index in January - Cerro Viejo, Chile
  • Average UV index in January: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).

Average cloud cover in January
Cerro Viejo, Chile

Average cloud cover in January - Cerro Viejo, Chile
  • Average cloud cover in January: 7

The month with the most cloud cover is June (Cloud cover 28).
The month with the least cloud cover is February (Cloud cover 5).

Average visibility in January
Cerro Viejo, Chile

Average visibility in January - Cerro Viejo, Chile
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).

Cerro Viejo, Chile

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