January weather forecastUmán, Mexico
January
Weather in January
January, the same as December, is a moderately hot winter month in Umán, Mexico, with an average temperature ranging between max 28.1°C (82.6°F) and min 18.6°C (65.5°F).Temperature
The coldest period is January, when temperatures fluctuate between an average high of 28.1°C (82.6°F) and a low of 18.6°C (65.5°F).Heat index
January's heat index is appraised at a tropical 31°C (87.8°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Umán, the average relative humidity in January is 73%.Rainfall
In Umán, during January, the rain falls for 11.3 days and regularly aggregates up to 26mm (1.02") of precipitation. In Umán, during the entire year, the rain falls for 167.3 days and collects up to 536mm (21.1") of precipitation.Daylight
The average length of the day in January is 11h and 2min.On the first day of the month, sunrise is at 6:35 am and sunset at 5:29 pm. On the last day of January, in Umán, sunrise is at 6:35 am and sunset at 5:48 pm CST.
Sunshine
January has the least sunshine of the year in Umán, Mexico, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index in Umán are January, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: During January, 6 as the daily maximum UV index converts into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Umán, Mexico
- Average high temperature in January: 28.1°C
The warmest month (with the highest average high temperature) is May (35.4°C).
The month with the lowest average high temperature is January (28.1°C).
- Average low temperature in January: 18.6°C
The month with the highest average low temperature is June (24.3°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in January
Umán, Mexico
- Average pressure in January: 1017.6mbar
The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is September (1011.9mbar).
Average wind speed in January
Umán, Mexico
- Average wind speed in January: 14.3km/h
The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is September (10.6km/h).
Average humidity in January
Umán, Mexico
- Average humidity in January: 73%
The months with the highest relative humidity are September and October (78%).
The months with the lowest relative humidity are April and May (63%).
Average rainfall in January
Umán, Mexico
- Average rainfall in January: 26mm
The wettest month (with the highest rainfall) is June (99mm).
The driest months (with the least rainfall) are February and March (12mm).
Average rainfall days in January
Umán, Mexico
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is September (20.4 days).
The months with the least rainy days are February and March (7.2 days).
Average daylight in January /
Average sunshine in January
Umán, Mexico
- Average daylight in January: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in January
Umán, Mexico
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is March (21.8 days).
The month with the least sunshine days is October (8.5 days).
Average UV index in January
Umán, Mexico
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in January
Umán, Mexico
- Average cloud cover in January: 36
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 25).
Average visibility in January
Umán, Mexico
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May and June (10km).
The month with the lowest visibility is September (8km).





