Playability Score: 96/100 — Elite
Current conditions: 75°F, wind 8 mph, 9% chance of rain.
Updated July 9, 2026
Portland's coastal Maine golf rewards those who wait: July through September brings dry, crisp, low-humidity days that rank with the best golf weather anywhere. The season is short, roughly May through October. Sea breezes are routine and fog can hug the coast on early-summer mornings.
Portland, Maine sits in a precipitation pattern that shapes every round you'll plan here. February is the driest month at just 10 precip days, while September and November are close behind at 11 — and that late-season dip matters because fairways along the Maine coast don't drain the way inland layouts do; after a wet week, you're often playing plugged lies and soft turf until things dry out.
The catch that surprises visiting golfers: July and August, the warmest months, are also the wettest, each logging 17 precip days. Those aren't all-day washouts — summer rain here often comes in quick coastal showers — but it does mean the peak-temperature window rarely gives you firm, fast conditions. September drops to 11 precip days while still averaging a high of 71°F, which is why locals treat it as the sweet spot for both scoring and turf quality.
April and May average 14 and 11 precip days respectively, and with highs only reaching 52°F in April, the ground stays saturated well into the season. May warms to a 64°F average high and winds ease to 11.2 mph — the first month where conditions enter the site's 60–80°F ideal range — but firm fairways are still a coin flip after a wet week. Plan around the forecast rather than the calendar.
July peaks at 79°F average high with winds dropping to a calm 9.6 mph — until you note that 17 precip days make it the joint-wettest month of the year alongside August. Short coastal showers are the usual culprit, but 17 events across 31 days means more than half the days carry some precipitation risk. Temperatures sit in the ideal 60–80°F band, so the scoring tool will rate many hours highly; just check whether the fairways have had a chance to firm up.
September cuts precip days from 17 to 11, the largest single-month drop in the Portland calendar, while the average high holds at 71°F and winds stay quiet at 9.8 mph, nearly as calm as August's 9.5 mph low. That combination means firmer turf and calmer air than you'll find anywhere else in the golfing window. October adds 13 precip days and cools to a 61°F average high, still playable but noticeably more variable.
December through February brings average highs of 35–39°F and lows dipping to 19°F in February — well outside any reasonable golf window. March is the windiest month of the year at 12.7 mph average peak wind, and 14 precip days keep the ground wet even when temperatures inch toward 44°F. Winter golf here is essentially a non-starter.
September stands out with just 11 precip days, a 71°F average high, and winds of 9.8 mph — close to August's calendar-low of 9.5 mph and a significant drop from the wet July–August stretch. May matches September's 11 precip days and finally clears the 60°F threshold with a 64°F average high, making it the most reliable spring entry point. October still averages 61°F and only 13 precip days, extending the window into fall before temperatures drop sharply.
September is your best bet: only 11 precip days and a 71°F average high give courses a chance to drain and firm up after the wet July–August stretch. May also hits 11 precip days but follows a wet April (14 days), so turf recovers more slowly in spring than in fall.
Temperatures are ideal — July averages a 79°F high with winds down to 9.6 mph — but both July and August log 17 precip days, the highest of any month. You'll find plenty of playable hours, but don't expect the fast, firm conditions you'd associate with late-season Maine golf.
Wind is at its worst in March (12.7 mph average peak) and stays above 10 mph through April. The calmest stretch runs July through October, bottoming out at 9.5 mph in August — still enough to affect club selection on exposed coastal holes, but rarely a round-ender.