Lake Forest Weather Year-Round — Best Time to Visit
Lake Forest, United States has warm weather year-round. The best time to visit is August (score: 96/100). Annual average high: 22°C, total rainfall: 357mm.
When is the best time to visit Lake Forest?
96
August is the best month to visit Lake Forest with a travel score of 96/100 (Excellent).
Expect highs of 27.7°C, 0 rain days, and 12.8 hours of daily sunshine.
View August weather details →Travel Score by Month
78
Jan
77
Feb
80
Mar
86
Apr
89
May
95
Jun
96
Jul
96
Aug
95
Sep
94
Oct
88
Nov
78
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Lake Forest each month?
22°C
Avg High
12.9°C
Avg Low
357mm
Annual Rain
How much rain does Lake Forest get?
Lake Forest receives 357mm of rain annually. The wettest month is typically February with 85mm, while July is the driest.
What is the weather like each month in Lake Forest?
January
78
18°C
Low: 8°C
6 rain days
Good
February
77
18°C
Low: 9°C
6 rain days
Good
March
80
19°C
Low: 10°C
6 rain days
Good
April
86
20°C
Low: 11°C
4 rain days
Excellent
May
89
21°C
Low: 13°C
2 rain days
Excellent
June
95
24°C
Low: 15°C
1 rain days
Excellent
July
96
27°C
Low: 18°C
0 rain days
Excellent
August
Best time to visit96
28°C
Low: 18°C
0 rain days
Excellent
September
95
27°C
Low: 18°C
1 rain days
Excellent
October
94
24°C
Low: 15°C
2 rain days
Excellent
November
88
21°C
Low: 12°C
3 rain days
Excellent
December
78
18°C
Low: 9°C
5 rain days
Good
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What cities are near Lake Forest?
Data based on 1994–2024 averages · Last updated: 2024-12-31