January weather forecast and climate
Rioviejito, Colombia

Weather in January

January, like December, is a hot winter month in Rioviejito, Colombia, with average temperature varying between 20.5°C (68.9°F) and 33°C (91.4°F).

Temperature

In Rioviejito, the average high-temperature in January is relatively the same as in December - a still tropical 33°C (91.4°F). In January, the average low-temperature is 20.5°C (68.9°F).

Heat index

In January, the average heat index is calculated to a very hot 39.5°C (103.1°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, metabolic differences, clothing, 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In January, the average relative humidity in Rioviejito is 60%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 20mm (0.79") of precipitation.

Daylight

Months with the shortest days are January and December, with an average of 11.7h of daylight.

Sunshine

January has the least sunshine of the year, with an average of 7.7h of sunshine.

UV index

January through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.
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FAQ

What is the temperature in January in Rioviejito?

In Rioviejito, Colombia, in January, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 20.5°C (68.9°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, in January is calculated to 39.5°C (103.1°F).

What is the average humidity in January in Rioviejito?

In January, the average relative humidity is 60%.

How many days does it rain in January in Rioviejito?

In January, in Rioviejito, Colombia, the rain falls for 8.4 days. Throughout January, 20mm (0.79") of precipitation is accumulated.

What is the driest month in Rioviejito?

The month with the least rainfall in Rioviejito is January when the rain falls for 8.4 days and typically collects 20mm (0.79") of precipitation.

What is the month with the shortest days in Rioviejito?

January and December, with an average of 11.7h of daylight, are months with the shortest days in Rioviejito.

What is the average length of the day in January in Rioviejito?

In Rioviejito, the average length of the day in January is 11.7h.

What is the month with the least sunshine in Rioviejito?

The month with the least sunshine in Rioviejito is January, with an average of 7.7h of sunshine.

How many hours of sunshine does Rioviejito have in January?

The average sunshine in January in Rioviejito is 7.7h.

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

Months with the highest UV index in Rioviejito are January through August, with an average maximum UV index of 7.

What is the UV index intensity in January in Rioviejito?

In Rioviejito, Colombia, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in January
Rioviejito, Colombia

Average temperature in January - Rioviejito, Colombia
  • Average high temperature in January: 33°C

The warmest month (with the highest average high temperature) is February (34°C).
The month with the lowest average high temperature is November (30.2°C).

  • Average low temperature in January: 20.5°C

Months with the highest average low temperature are March and April (22°C).
The coldest month (with the lowest average low temperature) is December (20.4°C).

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Average pressure in January
Rioviejito, Colombia

Average pressure in January - Rioviejito, Colombia
  • Average pressure in January: 1010.8mbar

Months with the highest atmospheric pressure are January and June (1010.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

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Average wind speed in January
Rioviejito, Colombia

Average wind speed in January - Rioviejito, Colombia
  • Average wind speed in January: 5.2km/h

The windiest month (with the highest average wind speed) is January (5.2km/h).
The calmest month (with the lowest average wind speed) is April (4.2km/h).

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Average humidity in January
Rioviejito, Colombia

Average humidity in January - Rioviejito, Colombia
  • Average humidity in January: 60%

Months with the highest relative humidity are October and November (76%).
The month with the lowest relative humidity is February (59%).

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Average rainfall in January
Rioviejito, Colombia

Average rainfall in January - Rioviejito, Colombia
  • Average rainfall in January: 20mm

The wettest month (with the highest rainfall) is October (223mm).
The driest month (with the least rainfall) is January (20mm).

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Average rainfall days in January
Rioviejito, Colombia

Average rainfall days in January - Rioviejito, Colombia
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is October (26.8 days).
The month with the least rainy days is January (8.4 days).

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Average daylight in January /
Average sunshine in January
Rioviejito, Colombia

Average daylight in January / Average sunshine in January - Rioviejito, Colombia
  • Average daylight in January: 11.7h

The month with the longest days is June (Average daylight: 12.6h).
Months with the shortest days are January and December (Average daylight: 11.7h).

  • Average sunshine in January: 7.7h

The month with the most sunshine is August (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 7.7h).

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Average sunshine days in January
Rioviejito, Colombia

Average sunshine days in January - Rioviejito, Colombia
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is October (3.2 days).

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Average UV index in January
Rioviejito, Colombia

Average UV index in January - Rioviejito, Colombia
  • Average UV index in January: 7

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

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Average cloud cover in January
Rioviejito, Colombia

Average cloud cover in January - Rioviejito, Colombia
  • Average cloud cover in January: 17

The month with the most cloud cover is October (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 17).

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Average visibility in January
Rioviejito, Colombia

Average visibility in January - Rioviejito, Colombia
  • Average visibility in January: 10km

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

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