January weather forecastUnión Roja, Mexico
January
Weather in January
January in Unión Roja, Mexico, is a tropical winter month, with an average temperature ranging between max 30.2°C (86.4°F) and min 22.2°C (72°F).Temperature
The average high-temperature during January registers at a hot 30.2°C (86.4°F), maintaining a close resemblance to the previous month. The average low-temperature of 22.2°C (72°F) is witnessed in Unión Roja during January.Heat index
The heat index in January is estimated at a hot 34°C (93.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
January through March, with an average relative humidity of 63%, are the least humid months.Rainfall
The month with the least rainfall is January, when the rain falls for 3.9 days and typically collects 6mm (0.24") of precipitation.Daylight
In January, the average length of the day is 11h and 21min.On the first day of January, sunrise is at 6:34 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:06 pm CST.
Sunshine
The average sunshine in January in Unión Roja is 8.7h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 7 in January interprets into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Unión Roja, Mexico
- Average high temperature in January: 30.2°C
The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is October (29.7°C).
- Average low temperature in January: 22.2°C
The month with the highest average low temperature is May (25.1°C).
The coldest months (with the lowest average low temperature) are January and December (22.2°C).
Average pressure in January
Unión Roja, Mexico
- Average pressure in January: 1013.8mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in January
Unión Roja, Mexico
- Average wind speed in January: 7.3km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).
Average humidity in January
Unión Roja, Mexico
- Average humidity in January: 63%
The months with the highest relative humidity are September and October (76%).
The months with the lowest relative humidity are January, February and March (63%).
Average rainfall in January
Unión Roja, Mexico
- Average rainfall in January: 6mm
The wettest month (with the highest rainfall) is May (244mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in January
Unión Roja, Mexico
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is May (29.1 days).
The month with the least rainy days is January (3.9 days).
Average daylight in January /
Average sunshine in January
Unión Roja, Mexico
- Average daylight in January: 11h and 24min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January: 8h and 42min
The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in January
Unión Roja, Mexico
- Average sunshine days in January: 22.8 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in January
Unión Roja, 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
Unión Roja, Mexico
- Average cloud cover in January: 11
The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are January and December (Cloud cover 11).
Average visibility in January
Unión Roja, Mexico
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (10km).
The months with the lowest visibility are May, August and September (9km).





