January weather forecast
San Sebastián Coatlán, Mexico

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Weather in January

January, the same as December, is another warm winter month in San Sebastián Coatlán, Mexico, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 28.9°C (84°F).

Temperature

San Sebastián Coatlán's January weather, marked by an average high temperature of 28.9°C (84°F) and an average low temperature of 21°C (69.8°F), is the coldest in the year.

Heat index

The heat index for January is appraised at a tropical 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In January, the average relative humidity is 64%.

Rainfall

In San Sebastián Coatlán, in January, it is raining for 3.1 days, with typically 4mm (0.16") of accumulated precipitation. Throughout the year, there are 175.5 rainfall days, and 756mm (29.76") of precipitation is accumulated.

Daylight

The average length of the day in January in San Sebastián Coatlán, Mexico, is 11h and 17min.
On the first day of January in San Sebastián Coatlán, sunrise is at 6:55 am and sunset at 6:06 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:23 pm CST.

Sunshine

In January, the average sunshine is 9.9h.

UV index

The months with the lowest UV index in San Sebastián Coatlán are January, August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the coldest time of year in San Sebastián Coatlán?

In San Sebastián Coatlán, the lowest temperatures are generally noted in January, averaging a high of 28.9°C (84°F) and a low of 21°C (69.8°F).

How hot does it get in San Sebastián Coatlán in January?

In January, the average high-temperature and low-temperature in San Sebastián Coatlán, Mexico, are 28.9°C (84°F) and 21°C (69.8°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in January is appraised at 31°C (87.8°F).

What is the average humidity in January in San Sebastián Coatlán?

In January, the average relative humidity is 64%.

How much does it rain in San Sebastián Coatlán in January?

In San Sebastián Coatlán, Mexico, in January, during 3.1 rainfall days, 4mm (0.16") of precipitation is typically accumulated.

How many hours of daylight does San Sebastián Coatlán have in January?

In January, the average day length is 11h and 17min.

What time are sunrise and sunset in January in San Sebastián Coatlán?

In January, on the first day of the month, sunrise is at 6:55 am and sunset at 6:06 pm. On the last day of the month, in San Sebastián Coatlán, Mexico, sunrise is at 6:57 am and sunset at 6:23 pm CST.

How many hours of sunshine does San Sebastián Coatlán have in January?

The average sunshine duration in January is 9.9h.

What is the month with the lowest UV index in San Sebastián Coatlán?

The months with the lowest UV index are January, August, October through December, with an average maximum UV index of 6.

How high is the UV index in January in San Sebastián Coatlán?

In January, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
San Sebastián Coatlán, Mexico

Average temperature in January - San Sebastián Coatlán, Mexico
  • Average high temperature in January: 28.9°C

The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.9°C).

  • Average low temperature in January: 21°C

The month with the highest average low temperature is May (24.6°C).
The coldest months (with the lowest average low temperature) are January and December (21°C).

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Average pressure in January
San Sebastián Coatlán, Mexico

Average pressure in January - San Sebastián Coatlán, Mexico
  • Average pressure in January: 1014.2mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1011.5mbar).

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Average wind speed in January
San Sebastián Coatlán, Mexico

Average wind speed in January - San Sebastián Coatlán, Mexico
  • Average wind speed in January: 7.9km/h

The windiest month (with the highest average wind speed) is April (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

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Average humidity in January
San Sebastián Coatlán, Mexico

Average humidity in January - San Sebastián Coatlán, Mexico
  • Average humidity in January: 64%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (63%).

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Average rainfall in January
San Sebastián Coatlán, Mexico

Average rainfall in January - San Sebastián Coatlán, Mexico
  • Average rainfall in January: 4mm

The wettest month (with the highest rainfall) is September (160mm).
The driest month (with the least rainfall) is December (2mm).

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Average rainfall days in January
San Sebastián Coatlán, Mexico

Average rainfall days in January - San Sebastián Coatlán, Mexico
  • Average rainfall days in January: 3.1 days

The month with the highest number of rainy days is September (27.5 days).
The months with the least rainy days are January and February (3.1 days).

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Average daylight in January /
Average sunshine in January
San Sebastián Coatlán, Mexico

Average daylight in January / Average sunshine in January - San Sebastián Coatlán, Mexico
  • Average daylight in January: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in January: 9h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

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Average sunshine days in January
San Sebastián Coatlán, Mexico

Average sunshine days in January - San Sebastián Coatlán, Mexico
  • Average sunshine days in January: 25.5 days

The month with the most sunshine days is December (26 days).
The month with the least sunshine days is September (0.9 days).

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Average UV index in January
San Sebastián Coatlán, Mexico

Average UV index in January - San Sebastián Coatlán, Mexico
  • Average UV index in January: 6

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

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Average cloud cover in January
San Sebastián Coatlán, Mexico

Average cloud cover in January - San Sebastián Coatlán, Mexico
  • Average cloud cover in January: 10

The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 9).

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Average visibility in January
San Sebastián Coatlán, Mexico

Average visibility in January - San Sebastián Coatlán, Mexico
  • 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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San Sebastián Coatlán, Mexico

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