Monterrey
Mexico
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Monterrey, Mexico

The sun setting over Monterrey, Mexico, with a far view of the Sierra Madre mountain ranges
The sun setting over Monterrey, Mexico, with a far view of the Sierra Madre mountain ranges
January, the same as December, in Monterrey, Mexico, is an agreeable winter month, with average temperature fluctuating between 8.2°C (46.8°F) and 20.7°C (69.3°F).

Temperature

With an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 8.2°C (46.8°F), January is the coldest month.

Humidity

In January, the average relative humidity in Monterrey is 67%.

Rainfall

In Monterrey, it is raining for 4.2 days, with typically 16.6mm (0.7") of accumulated precipitation. In Monterrey, Mexico, during the entire year, the rain falls for 59.7 days and collects up to 590.8mm (23.3") of precipitation.

Daylight

In Monterrey, the average length of the day in January is 10.8h.

Sunshine

In January, the average sunshine is 4.6h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In January, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the coldest month in Monterrey?

The coldest month in Monterrey, Mexico, is January, with an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 8.2°C (46.8°F).

What is the temperature in January in Monterrey?

In January, the average high-temperature is 20.7°C (69.3°F), and the average low-temperature is 8.2°C (46.8°F).

What is the average humidity in January in Monterrey?

In Monterrey, the average relative humidity in January is 67%.

How much does it rain in Monterrey in January?

In Monterrey, Mexico, in January, during 4.2 rainfall days, 16.6mm (0.7") of precipitation is typically accumulated.

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

The average length of the day in January in Monterrey is 10.8h.

How many hours of sunshine does Monterrey have in January?

In Monterrey, Mexico, the average sunshine in January is 4.6h.

When is the lowest UV index in Monterrey?

Months with the lowest UV index in Monterrey, Mexico, are January and December, with an average maximum UV index of 5.

What is the UV index intensity in January in Monterrey?

In January, the average daily maximum UV index in Monterrey, Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - Monterrey, Mexico
  • Average high temperature in January: 20.7°C

The warmest month (with the highest average high temperature) is July (34.8°C).
The month with the lowest average high temperature is January (20.7°C).

  • Average low temperature in January: 8.2°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (8.2°C).

Average humidity in January - Monterrey, Mexico
  • Average humidity in January: 67%

The month with the highest relative humidity is October (71%).
The month with the lowest relative humidity is March (58%).

Average rainfall in January - Monterrey, Mexico
  • Average rainfall in January: 16.6mm

The wettest month (with the highest rainfall) is September (150.6mm).
The driest month (with the lowest rainfall) is December (14.1mm).

Average rainfall days in January - Monterrey, Mexico
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is September (8.2 days).
Months with the lowest number of rainy days are March and December (3.4 days).

Average daylight in January / Average sunshine in January - Monterrey, Mexico
  • Average daylight in January: 10.8h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in January: 4.6h

The month with most sunshine is July (Average sunshine: 8h).
The month with least sunshine is December (Average sunshine: 4.3h).

Average UV index in January - Monterrey, Mexico
  • Average UV index in January: 5

Months with the highest UV index are May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 5).