January weather forecast
Castro Barros, Argentina

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Weather in January

January, the same as December, in Castro Barros, Argentina, is another tropical summer month, with an average temperature ranging between max 33°C (91.4°F) and min 22.5°C (72.5°F).

Temperature

January stands out as Castro Barros's warmest month, with temperatures ranging between an average high of 33°C (91.4°F) and a low of 22.5°C (72.5°F).

Heat index

The heat index in January is computed to be a very hot 35°C (95°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In Castro Barros, the average relative humidity in January is 47%.

Rainfall

The month with the most rainfall in Castro Barros is January, when the rain falls for 12.8 days and typically aggregates up to 76mm (2.99") of precipitation.

Snowfall

In Castro Barros, Argentina, snow does not fall in January through June, August through December.

Daylight

In January, the average length of the day in Castro Barros is 13h and 52min.
On the first day of the month, sunrise is at 06:23 and sunset at 20:28. On the last day of January, in Castro Barros, Argentina, sunrise is at 06:49 and sunset at 20:23 -03.

Sunshine

In January, the average sunshine in Castro Barros is 9.2h.

UV index

January, February and December, with an average maximum UV index of 7, are months with the highest UV index in Castro Barros. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in January transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Resources | Updated: Jan 25, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the hottest time of year in Castro Barros?

January, with an average high of 33°C (91.4°F) and a low of 22.5°C (72.5°F), signifies the warmest month of the year.

How hot does it get in Castro Barros in January?

In Castro Barros, 33°C (91.4°F) is the average high-temperature and 22.5°C (72.5°F) is the average low-temperature during January. In January, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 35°C (95°F).

What is the average humidity in January in Castro Barros?

In January, the average relative humidity is 47%.

What is the rainiest month in Castro Barros?

January is the month with the most rainfall in Castro Barros, Argentina. Rain falls for 12.8 days and accumulates 76mm (2.99") of precipitation.

How many days does it rain in January in Castro Barros?

In Castro Barros, in January, it is raining for 12.8 days, with typically 76mm (2.99") of accumulated precipitation.

When it does not snow in Castro Barros?

In Castro Barros, Argentina, snow does not fall in January through June, August through December.

How many hours of daylight does Castro Barros have in January?

In January, the average day length is 13h and 52min.

When are sunrise and sunset in January in Castro Barros?

In January, on the first day of the month, sunrise is at 06:23 and sunset at 20:28. On the last day of the month, sunrise is at 06:49 and sunset at 20:23 -03.

How many hours of sunshine does Castro Barros have in January?

In Castro Barros, Argentina, the average sunshine duration in January is 9.2h.

What is the month with the highest UV index in Castro Barros?

January, February and December, with an average maximum UV index of 7, are months with the highest UV index in Castro Barros, Argentina.

How high is the UV index in January in Castro Barros?

The average daily maximum UV index in January in Castro Barros, Argentina, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Castro Barros, Argentina

Average temperature in January - Castro Barros, Argentina
  • Average high temperature in January: 33°C

The warmest month (with the highest average high temperature) is January (33°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in January: 22.5°C

The month with the highest average low temperature is January (22.5°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

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Average pressure in January
Castro Barros, Argentina

Average pressure in January - Castro Barros, Argentina
  • Average pressure in January: 1008mbar

The month with the highest atmospheric pressure is July (1016.5mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).

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Average wind speed in January
Castro Barros, Argentina

Average wind speed in January - Castro Barros, Argentina
  • Average wind speed in January: 15.5km/h

The windiest month (with the highest average wind speed) is November (16.7km/h).
The calmest month (with the lowest average wind speed) is June (9.9km/h).

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Average humidity in January
Castro Barros, Argentina

Average humidity in January - Castro Barros, Argentina
  • Average humidity in January: 47%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is September (44%).

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Average rainfall in January
Castro Barros, Argentina

Average rainfall in January - Castro Barros, Argentina
  • Average rainfall in January: 76mm

The wettest month (with the highest rainfall) is January (76mm).
The driest month (with the least rainfall) is August (1mm).

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Average rainfall days in January
Castro Barros, Argentina

Average rainfall days in January - Castro Barros, Argentina
  • Average rainfall days in January: 12.8 days

The month with the highest number of rainy days is December (13 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall in January
Castro Barros, Argentina

Average snowfall in January - Castro Barros, Argentina
  • Average snowfall in January: 0mm

The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

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Average snowfall days in January
Castro Barros, Argentina

Average snowfall days in January - Castro Barros, Argentina
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is July (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

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Average daylight in January /
Average sunshine in January
Castro Barros, Argentina

Average daylight in January / Average sunshine in January - Castro Barros, Argentina
  • Average daylight in January: 13h and 5min

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in January: 9h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 8h and 6min).

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Average sunshine days in January
Castro Barros, Argentina

Average sunshine days in January - Castro Barros, Argentina
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (13.9 days).

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Average UV index in January
Castro Barros, Argentina

Average UV index in January - Castro Barros, Argentina
  • Average UV index in January: 7

The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).

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Average cloud cover in January
Castro Barros, Argentina

Average cloud cover in January - Castro Barros, Argentina
  • Average cloud cover in January: 22

The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in January
Castro Barros, Argentina

Average visibility in January - Castro Barros, Argentina
  • Average visibility in January: 10km

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

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Castro Barros, Argentina

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