Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is marked by an average high-temperature of a still moderately hot 29.5°C (85.1°F), almost identical to the preceding month. San Jerónimo de Juárez reports a consistent average low-temperature of 22.5°C (72.5°F) throughout January nights.Heat index
The heat index value for January is estimated at a tropical 33°C (91.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in January is 64%.Rainfall
In San Jerónimo de Juárez, during January, the rain falls for 2.3 days and regularly aggregates up to 4mm (0.16") of precipitation. Throughout the year, there are 144.3 rainfall days, and 800mm (31.5") of precipitation is accumulated.Daylight
The average length of the day in January is 11h and 14min.On the first day of January, sunrise is at 7:11 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:36 pm CST.
Sunshine
In San Jerónimo de Juárez, the average sunshine in January is 9.8h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 7 in January transforms into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during January?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the highest UV index?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
San Jerónimo de Juárez, Mexico
- Average high temperature in January: 29.5°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is December (29.3°C).
- Average low temperature in January: 22.5°C
The month with the highest average low temperature is June (25.3°C).
The coldest months (with the lowest average low temperature) are January and February (22.5°C).
Average pressure in January
San Jerónimo de Juárez, Mexico
- Average pressure in January: 1013.2mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The month with the lowest atmospheric pressure is May (1010.7mbar).
Average wind speed in January
San Jerónimo de Juárez, Mexico
- Average wind speed in January: 8.2km/h
The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest month (with the lowest average wind speed) is December (7.6km/h).
Average humidity in January
San Jerónimo de Juárez, Mexico
- Average humidity in January: 64%
The months with the highest relative humidity are September and October (77%).
The months with the lowest relative humidity are March and April (62%).
Average rainfall in January
San Jerónimo de Juárez, Mexico
- Average rainfall in January: 4mm
The wettest month (with the highest rainfall) is September (225mm).
The driest month (with the least rainfall) is April (0mm).
Average rainfall days in January
San Jerónimo de Juárez, Mexico
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is September (25.8 days).
The month with the least rainy days is February (0.9 days).
Average daylight in January /
Average sunshine in January
San Jerónimo de Juárez, Mexico
- Average daylight in January: 11h and 1min
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 6min).
- Average sunshine in January: 9h and 5min
The months with the most sunshine are March and April (Average sunshine: 10h and 0min).
The month with the least sunshine is September (Average sunshine: 8h and 48min).
Average sunshine days in January
San Jerónimo de Juárez, Mexico
- Average sunshine days in January: 28.1 days
The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in January
San Jerónimo de Juárez, Mexico
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in January
San Jerónimo de Juárez, Mexico
- Average cloud cover in January: 12
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 7).
Average visibility in January
San Jerónimo de Juárez, 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).
San Jerónimo de Juárez, Mexico
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