Flagstaff weather
in August
“The kind of pleasant weather you build a trip around.”
Roughly 11 rainy days across the month, on average.
In august, Flagstaff settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 27°C (81°F), cooling to 15°C after sunset. Rainfall is moderate — around 11 rainy days spread through the month. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Flagstaff in August
- •Breathable cotton or linen, and a broad-brimmed hat
- •Layers, because the day changes
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Flagstaff in August
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Where to stay in Flagstaff
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Flagstaff in August — FAQ
Q01Is August a good time to visit Flagstaff?
Is August a good time to visit Flagstaff?
Yes — this is one of the best months of the year to visit. In August, Flagstaff averages a high of 27°C (81°F) and a low of 15°C (59°F), with 58mm of rainfall across roughly 11 rainy days.
Q02What is the average temperature in Flagstaff in August?
What is the average temperature in Flagstaff in August?
The average high temperature in Flagstaff during August is 27°C (81°F), with an average low of 15°C (59°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Flagstaff have in August?
How many rainy days does Flagstaff have in August?
Flagstaff averages approximately 11 rainy days in August, with a total monthly rainfall of about 58mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Flagstaff in August?
What should I pack for Flagstaff in August?
For Flagstaff in August, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Flagstaff in August?
How crowded is Flagstaff in August?
Tourist crowds in Flagstaff during August are typically high — this is peak season, expect crowds and higher prices. Consider this when planning accommodation — prices track crowd levels closely.