Castelar
Argentina
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Castelar, Argentina

January is a hot summer month in Castelar, Argentina, with temperature in the range of an average low of 19.4°C (66.9°F) and an average high of 31.3°C (88.3°F).

Temperature

The warmest month is January, with an average high-temperature of 31.3°C (88.3°F) and an average low-temperature of 19.4°C (66.9°F).

Heat index

In January, the average heat index is evaluated at a tropical 34.2°C (93.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like metabolic differences, wind, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

January is the least humid month, with an average relative humidity of 55%.

Rainfall

In January, in Castelar, Argentina, the rain falls for 5.2 days. Throughout January, 9mm (0.35") of precipitation is accumulated. Throughout the year, in Castelar, Argentina, there are 69.2 rainfall days, and 143mm (5.63") of precipitation is accumulated.

Daylight

In January, the average length of the day in Castelar is 14.2h.

Sunshine

In January, the average sunshine in Castelar is 10.5h.

UV index

January is the month with the highest UV index, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the warmest month in Castelar?

January is the warmest month in Castelar, Argentina, with an average high-temperature of 31.3°C (88.3°F) and an average low-temperature of 19.4°C (66.9°F).

What is the temperature in January in Castelar?

In Castelar, Argentina, in January, the average high-temperature is 31.3°C (88.3°F), and the average low-temperature is 19.4°C (66.9°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines both air temperature and relative humidity, in January is evaluated at 34.2°C (93.6°F).

What is the least humid month in Castelar?

January is the least humid month, with an average relative humidity of 55%.

What is the average humidity in January in Castelar?

In Castelar, Argentina, the average relative humidity in January is 55%.

How much does it rain in Castelar in January?

In January, the rain falls for 5.2 days. Throughout January, 9mm (0.35") of precipitation is accumulated.

How many hours of daylight does Castelar have in January?

In Castelar, the average length of the day in January is 14.2h.

How long on average sun shines in January in Castelar?

The average sunshine in January in Castelar, Argentina, is 10.5h.

What is the month with the highest UV index in Castelar?

With an average maximum UV index of 7, January is the month with the highest UV index in Castelar.

What is the UV index reading in January in Castelar?

The average daily maximum UV index in January in Castelar is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Castelar, Argentina
  • Average high temperature in January: 31.3°C

The warmest month (with the highest average high temperature) is January (31.3°C).
The month with the lowest average high temperature is July (13.9°C).

  • Average low temperature in January: 19.4°C

The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).

Average humidity in January - Castelar, Argentina
  • Average humidity in January: 55%

Months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (55%).

Average rainfall in January - Castelar, Argentina
  • Average rainfall in January: 9mm

The wettest month (with the highest rainfall) is October (22mm).
The driest month (with the lowest rainfall) is September (5mm).

Average rainfall days in January - Castelar, Argentina
  • Average rainfall days in January: 5.2 days

Months with the highest number of rainy days are April and October (6.8 days).
The month with the lowest number of rainy days is August (4.1 days).

Average daylight in January / Average sunshine in January - Castelar, Argentina
  • Average daylight in January: 14.2h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

  • Average sunshine in January: 10.5h

The month with most sunshine is December (Average sunshine: 11.3h).
The month with least sunshine is June (Average sunshine: 5.9h).

Average UV index in January - Castelar, Argentina
  • Average UV index in January: 7

The month with the highest UV index is January (UV index 7).
Months with the lowest UV index are June and July (UV index 3).