Monterrey weather in August 2025

Expect daytime maximum temperatures of 35°C in Monterrey, Mexico in August and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 91 mm of rainfall in the month.

  • 35°C maximum daytime temperature in August in Monterrey35
    35°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in August in Monterrey6
    6 days with some rainfall
  • 23°C minimum night-time temperature in August in Monterrey23
    23°C min night temperature
  • 13 hours of daylight per day in August in Monterrey13
    13 hours of daylight per day
  • Very high heat & humidity in August in MonterreyVH
    Very High heat & humidity
  • 91 mm monthly rainfall in August in Monterrey91
    91 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Monterrey11
    11+ (Extreme) UV index

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The August weather guide for Mexico (Monterrey) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Monterrey in August?

Daytime temperatures usually reach 35°C in Monterrey in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in Monterrey in August?

There are normally 6 hours of bright sunshine each day in Monterrey in August - that's 48% of daylight hours.

Does it rain in Monterrey in August?

There are usually 6 days with some rain in Monterrey in August and the average monthly rainfall is 91mm.

What is the chance of a hurricane in Monterrey in August?

On average less than 1 day in August in Monterrey is likely to be affected by the passage of one or more tropical storms.

Monterrey August sunrise & sunset times

Browse the sunrise and sunset times for Monterrey in August 2025. Select a month to view Monterrey sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:08 19:27
Saturday, 16th August 2025 06:15 19:15
Sunday, 31st August 2025 06:21 19:01

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