Which is the hottest month in Oshkosh?

The hottest time of year in Oshkosh is normally July. Expect maximum daytime temperatures to reach 27°C with moderate heat and humidity.

Which month has the most rain in Oshkosh?

In terms of rainfall, August is usually the wettest month in Oshkosh with 90mm on average. There are normally 9 days in August with some rain.

When is it sunniest in Oshkosh?

The sunniest time of year in Oshkosh is normally July with bright sunshine on average for 69% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Oshkosh?

The sea is usually at its warmest in Oshkosh in August when the water temperature reaches 21°C.

Best time to visit Oshkosh

Q: When is the best time to visit Oshkosh?

The best times to visit Oshkosh, Wisconsin are in June, July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Oshkosh, Wisconsin are in June, July and August based on our default weather conditions. Update your weather preferences to see which months best match.

Oshkosh by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wisconsin

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Wednesday 31st Dec 2025

When is the best time to visit Oshkosh?

The best times to visit Oshkosh, Wisconsin are in June, July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
2
Feb
2
Mar
2.5
Apr
4
May
5
Jun
5
Jul
5
Aug
4.5
Sep
1.5
Oct
1.5
Nov
1.5
Dec

Change criteria

Max Day Temperature (°F)

25
Jan
28
Feb
39
Mar
55
Apr
68
May
77
Jun
82
Jul
79
Aug
72
Sep
59
Oct
43
Nov
28
Dec

Hours of Sunshine (daily)

5
Jan
6
Feb
6
Mar
7
Apr
9
May
10
Jun
10
Jul
9
Aug
7
Sep
5
Oct
4
Nov
4
Dec