August in Flagstaff, AZ: variable for golf — mixed conditions — check the live score. Best tee times: morning before noon for the most comfortable round.
| Average August Weather | |
|---|---|
| Avg daily high | 81°F |
| Avg daily low | 58°F |
| Rainy days | 17 / mo |
| Avg peak wind | 11.1 mph |
August is the month in Flagstaff where your booking decisions matter most. With 17 precipitation days — the highest of any month — afternoon tee times carry real risk of a weather delay or a soggy back nine. The monsoon pattern is fully established by August, meaning mornings typically open clear and dry while clouds build through midday and thunderstorms arrive in the afternoon with regularity. The smart play is to treat this like a morning-only month.
That said, the temperatures are genuinely comfortable by Arizona standards. An 81F high and a 58F low give you a 23-degree daily swing, and the 11.1 mph peak wind — the calmest figure of any month this year — means the ball isn't moving around on you. Golf in Flagstaff in August rewards early risers: get out at or near the 6 AM open, play your round before noon, and the conditions can be close to ideal. Miss that window and you're gambling on the afternoon sky.
Book the first available morning slot — ideally before 9 AM — because the monsoon pattern makes any tee time after noon a coin flip on weather delays. Unlike other months where midday heat pushes golfers early, August's driver is the afternoon storm risk, so even a 10 AM start leaves thin margin if thunderheads build faster than forecast. See how conditions rate hour by hour on our playability scale.
July is slightly warmer at 84F and has 15 precipitation days, so August is a touch cooler but meaningfully wetter — two more rain days on an already active schedule. September is the real turning point: it drops to 76F and cuts precipitation days all the way down to just 8, making it a far more reliable month for afternoon tee times. Wind stays almost identical across all three months, ranging only from 11.1 to 11.5 mph.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Flagstaff, AZ for the current playability rating, hourly wind, temperature, and the recommended tee time window.
← July in Flagstaff, AZ • September in Flagstaff, AZ →
Not every day, but with 17 precipitation days in the month you're looking at roughly a 55% chance of precipitation on any given day. Most of that rain arrives in concentrated afternoon thunderstorms rather than all-day drizzle, so morning rounds typically stay dry while afternoon rounds are genuinely unpredictable.
It depends almost entirely on when you tee off. The 81F high and calm 11.1 mph winds make conditions comfortable on paper, but the wettest month of the year means afternoon rounds are frequently interrupted. Golfers who can commit to morning tee times will find August very playable; those locked into afternoon slots should consider waiting for September, which drops to just 8 precipitation days.