Mount Vernon weather in August 2025

The weather in Mount Vernon in August is hot. The average temperatures are between 69°F and 84°F.

You can expect about 3 to 8 days of rain in Mount Vernon during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Mount Vernon in August 2025.

If you’re planning to visit Mount Vernon in the near future, we highly recommend that you review the 14 day weather forecast for Mount Vernon before you arrive.

Temperatures

84° / 69°

Rainy Days

Snowy Days

Dry Days

Rainfall

7.44

Sun Hours

10.9

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 86° /71°	2 86° /69°
3 86° /71°	4 86° /69°	5 87° /71°	6 86° /71°	7 82° /71°	8 86° /71°	9 86° /71°
10 86° /73°	11 87° /71°	12 86° /73°	13 86° /71°	14 86° /71°	15 82° /69°	16 80° /68°
17 82° /69°	18 82° /71°	19 84° /69°	20 86° /69°	21 84° /71°	22 80° /69°	23 82° /69°
24 84° /69°	25 87° /71°	26 84° /69°	27 86° /69°	28 80° /71°	29 78° /68°	30 82° /69°
31 80° /68°

Explore the weather in Mount Vernon in other months

Mount Vernon annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	35° / 26°	5	18	8	3.98 in	Awful	Mount Vernon in January
February	39° / 26°	6	13	9	4.72 in	Awful	Mount Vernon in February
March	46° / 35°	7	19	5	5.24 in	Awful	Mount Vernon in March
April	57° / 44°	8	22	1	5.04 in	Ok	Mount Vernon in April
May	68° / 53°	8	23	0	5.55 in	Ok	Mount Vernon in May
June	78° / 62°	7	23	0	5.98 in	Good	Mount Vernon in June
July	84° / 69°	10	21	0	7.95 in	Ok	Mount Vernon in July
August	84° / 69°	7	24	0	7.44 in	Ok	Mount Vernon in August
September	77° / 62°	5	25	0	5.2 in	Perfect	Mount Vernon in September
October	64° / 53°	6	25	0	5.79 in	Good	Mount Vernon in October
November	51° / 41°	5	24	1	3.78 in	Ok	Mount Vernon in November
December	42° / 33°	7	19	5	5.94 in	Awful	Mount Vernon in December