# Climate Insights for Fitchburg

*Source: [Airpult](https://airpult.com/climate/us/fitchburg/2348827107): Natrona County, Wisconsin, United States*

The climate in Fitchburg is cool. The average annual temperature is 10°C and approximately 972mm of precipitation falls per year. Fitchburg receives a notable amount of rainfall throughout the year, including during its driest month. Fitchburg is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 119cm accumulating over the season.

## Key insights

- **Hottest month:** July (peak 28°C)
- **Coldest month:** January (low -9°C)
- **Wettest month:** May (112 mm)
- **Best time to visit:** July

## Monthly climate data

The table below shows monthly climate averages for Fitchburg 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 | -2 | -6 | 48 | 13 | 32 |
| Feb | -8 | 1 | -4 | 41 | 14 | 24 |
| Mar | -1 | 8 | 3 | 82 | 14 | 18 |
| Apr | 4 | 14 | 8 | 97 | 14 | 12 |
| May | 11 | 21 | 16 | 112 | 12 | 0 |
| Jun | 17 | 27 | 22 | 109 | 12 | 0 |
| Jul | 19 | 28 | 23 | 91 | 10 | 0 |
| Aug | 17 | 27 | 22 | 108 | 10 | 0 |
| Sep (current) | 14 | 24 | 18 | 100 | 11 | 0 |
| Oct | 7 | 16 | 11 | 86 | 13 | 2 |
| Nov | 0 | 8 | 4 | 50 | 14 | 9 |
| Dec | -5 | 1 | -2 | 47 | 13 | 23 |

## Temperature

Fitchburg 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

Fitchburg is a moderately rainy area, receiving approximately 972mm of precipitation annually, which averages out to around 81mm per month. The wettest month is May, averaging 112mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 41mm. That's 71mm less than May, 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 119cm accumulating over the season. January typically sees the most snow at around 32cm.

## Wind

Fitchburg is mildly breezy, with an average annual wind speed of 13km/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 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap 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 13km/h in winter, 14km/h in spring, 10km/h in summer, 13km/h in autumn.

## Seasons

Currently it is **summer** (astronomical) / **fall** (meteorological) in Fitchburg.
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 Fitchburg, which began on June 21, 2026. Fitchburg 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 -1 to 21°C. Precipitation is moderate at around 291mm for the season, averaging 97mm per month. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

### Summer

Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

### Autumn

Temperatures range from 0 to 24°C. Precipitation is moderate at around 237mm for the season, averaging 79mm per month. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 13km/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 137mm over the season and a monthly average of 46mm. Expect around 78cm of snow accumulation during this period. Winds are generally light, averaging 13km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

## Best time to visit

Recommended months: July.

The best time to visit Fitchburg is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 91mm 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.