Monterrey weather in August
Monterrey in August averages 30°C (86°F), 81 mm of rain and 8.4 hours of sun a day.
Of the twelve months in Monterrey, August is the warmest, the third wettest and the sunniest.
- Average temp
- 30°C (86°F)
24–37°C · 74–98°F
- Rainfall
- 81 mm
Showers likely
- Sunshine
- 8.4 h
hours per day
What is Monterrey like in August?
Daytime
Days are hot, often above 32°C.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Monterrey in August?
High-factor sun cream
With 8.4 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 81 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 13°C between its low and its high.
August compared with July and September
August in Monterrey is 0.5°C warmer than July and 17 mm drier than it, which averages 30°C (85°F).
August in Monterrey is 2.9°C warmer than September and 134 mm drier than it, which averages 27°C (81°F).
Daylight in Monterrey in August
On 15 August the sun is up for 13 hours 1 minute in Monterrey, rising about 06:14 and setting about 19:16 local time.
August ends 40 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 43 minutes short of June, the longest-lit month here.
Where to stay in Monterrey
Dates are a starting point for August.
Travel guides for Monterrey
What to read before you book.
Monterrey weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 16°C / 61°F | 18 mm |
| February | 18°C / 65°F | 16 mm |
| March | 22°C / 71°F | 23 mm |
| April | 25°C / 77°F | 32 mm |
| May | 28°C / 82°F | 46 mm |
| June | 30°C / 85°F | 55 mm |
| July | 30°C / 85°F | 98 mm |
| August | 30°C / 86°F | 81 mm |
| September | 27°C / 81°F | 215 mm |
| October | 24°C / 75°F | 61 mm |
| November | 19°C / 67°F | 28 mm |
| December | 16°C / 61°F | 24 mm |
Check another month
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FAQs about Monterrey in August
August climate averages for Monterrey, 1991–2020.
Monterrey averages 30°C (86°F) in August, ranging from about 24°C (74°F) at night to 37°C (98°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 81 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
Yes. August averages 30°C (86°F) against 27°C (81°F) in September — 2.9°C warmer.
August is 0.5°C warmer than July, and 17 mm drier.
It is outside the easiest window. The most comfortable stretch here is February to May; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 8.4 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 1 minute of daylight in mid-August, against 13 hours 44 minutes in June and 10 hours 33 minutes in December.
On 15 August, sunrise is about 06:14 and sunset about 19:16 local time. Both shift across the month — the month ends 40 minutes shorter than it starts.
