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The weather in Oshkosh in April is very cold with temperatures between 2°C and 10°C, warm clothes are a must.
You can expect rain for roughly half of the month of April in Oshkosh. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Oshkosh during April. It’s important to get out your snow boots and warm mittens to stay warm while you explore Oshkosh.
Our weather forecast can give you a great sense of what weather to expect in Oshkosh in April 2025.
If you’re planning to visit Oshkosh in the near future, we highly recommend that you review the 14 day weather forecast for Oshkosh before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -12° | 8 | 19 | 4 | 35 mm | Awful | Oshkosh in January |
| February | -4° / -11° | 7 | 16 | 4 | 38 mm | Awful | Oshkosh in February |
| March | 4° / -4° | 6 | 20 | 4 | 73 mm | Awful | Oshkosh in March |
| April | 10° / 2° | 8 | 19 | 3 | 113 mm | Awful | Oshkosh in April |
| May | 18° / 9° | 8 | 23 | 0 | 122 mm | Ok | Oshkosh in May |
| June | 23° / 15° | 9 | 21 | 0 | 122 mm | Good | Oshkosh in June |
| July | 26° / 17° | 8 | 23 | 0 | 102 mm | Good | Oshkosh in July |
| August | 25° / 17° | 8 | 23 | 0 | 104 mm | Good | Oshkosh in August |
| September | 21° / 13° | 7 | 23 | 0 | 90 mm | Ok | Oshkosh in September |
| October | 14° / 6° | 7 | 23 | 0 | 98 mm | Ok | Oshkosh in October |
| November | 6° / 0° | 6 | 23 | 1 | 59 mm | Bad | Oshkosh in November |
| December | -1° / -7° | 8 | 19 | 4 | 54 mm | Awful | Oshkosh in December |