# Climate Insights for Waupun

*Source: [Airpult](https://airpult.com/climate/us/waupun/8911464230): Niobrara County, Wisconsin, United States*

The climate in Waupun is cool. The average annual temperature is 9°C and approximately 912mm of precipitation falls per year. Waupun receives a notable amount of rainfall throughout the year, including during its driest month. Waupun is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 132cm accumulating over the season.

## Key insights

- **Hottest month:** July (peak 28°C)
- **Coldest month:** January (low -9°C)
- **Wettest month:** June (103 mm)
- **Best time to visit:** July, August, September

## Monthly climate data

The table below shows monthly climate averages for Waupun based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

| Month | Avg low (°C) | Avg high (°C) | Mean (°C) | Precip (mm) | Wind (km/h) | Snow (cm) |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jan | -9 | -3 | -6 | 42 | 14 | 28 |
| Feb | -9 | 0 | -5 | 39 | 16 | 25 |
| Mar | -2 | 7 | 2 | 79 | 16 | 23 |
| Apr | 3 | 13 | 7 | 99 | 16 | 17 |
| May | 10 | 21 | 15 | 98 | 14 | 1 |
| Jun | 16 | 26 | 21 | 103 | 13 | 0 |
| Jul | 18 | 28 | 23 | 96 | 11 | 0 |
| Aug | 17 | 26 | 21 | 95 | 11 | 0 |
| Sep (current) | 13 | 23 | 18 | 79 | 13 | 0 |
| Oct | 7 | 16 | 11 | 82 | 15 | 2 |
| Nov | 0 | 8 | 3 | 53 | 16 | 10 |
| Dec | -6 | 1 | -3 | 47 | 15 | 25 |

## Temperature

Waupun has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.

## Precipitation

Waupun is a moderately rainy area, receiving approximately 912mm of precipitation annually, which averages out to around 76mm per month. The wettest month is June, averaging 103mm of rainfall. April and May also tend to see above-average precipitation. The driest month is February, with just 39mm. That's 65mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 132cm accumulating over the season. January typically sees the most snow at around 28cm.

## Wind

Waupun is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 15km/h in spring, 12km/h in summer, 15km/h in autumn.

## Seasons

Currently it is **summer** (astronomical) / **fall** (meteorological) in Waupun.
Autumn begins September 23, 2026 (9 days from now).

| Season | Begins |
| --- | --- |
| Spring | March 20 |
| Summer | June 21 |
| Autumn | September 23 |
| Winter | December 21 |

It is currently summer in Waupun, which began on June 21, 2026. Waupun is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 28°C, while the coldest stretch bottoms out in January near -9°C. Autumn is next, beginning on September 23, 2026 (9 days from now).

### Spring

Temperatures range from -2 to 21°C. Precipitation is moderate at around 276mm for the season, averaging 92mm per month. Winds are moderate at around 15km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

### Summer

Temperatures range from 16 to 28°C. Precipitation is moderate at around 295mm for the season, averaging 98mm per month. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

### Autumn

Temperatures range from 0 to 23°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Expect around 12cm of snow accumulation during this period. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

### Winter

Temperatures range from -9 to 1°C. Rainfall is relatively light, with around 127mm over the season and a monthly average of 42mm. Expect around 79cm of snow accumulation during this period. Winds are moderate at around 15km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

## Best time to visit

Recommended months: July, August, September.

The best time to visit Waupun is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 90mm per month. By contrast, January can be quite cold with temperatures dropping to -9°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.