This system aligns more closely with actual monthly temperatures.
June, July, August Peak Heat: Mid-July
Used by climatologists for consistent data comparison. These divide the year into fixed 3‑month periods. season months in usa
September, October, November Peak Foliage: Late September to Late October (depending on latitude) This system aligns more closely with actual monthly
Note: Because astronomical seasons depend on exact planetary alignment, start/end dates can shift by a day. season months in usa