Monterrey Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Monterrey, Mexico latitude & longitude; 25°40'N 100°18'W.
• Altitude; 534 m (1752 ft).
• The average temperature in Monterrey, Mexico is 22.3 °C (72 °F).
• The range of average monthly temperatures is 13.5 °C.
• The warmest average max/ high temperature is 34 °C (93 °F) in July.
• The coolest average min/ low temperature is 10 °C (50 °F) in January & December.
• Monterrey receives on average 620 mm (24.4 in) of precipitation annually or 52 mm (2.0 in) each month.
• On balance there are 79 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 7 days on an average month.
• The month with the driest weather is March when on balance 11 mm (0.4 in) of rain, sleet, hail or snow falls across 4 days.
• The month with the wettest weather is September when on balance 156 mm (6.1 in) of rain, sleet, hail or snow falls across 10 days.
• Mean relative humidity for an average year is recorded as 65.3% and on a monthly basis it ranges from 55% in March to 73% in September.
• There is an average range of hours of sunshine in Monterrey of between 4.2 hours per day in December and 7.6 hours per day in June.
• On balance there are 2072 sunshine hours annually and approximately 5.7 sunlight hours for each day.
• On balance there are 0 days annually registering frost in Monterrey and in January there are on average 0 days with frost.

Monterrey Climate Graph (Metric | Imperial units)

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Monterrey Weather Averages

Monterrey Climograph/ Climate Chart (imperial)

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Monterrey Temperatures in Farenheit