Sparta (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sparta.
Climate overview of Sparta
Temperatures in Sparta, Wisconsin, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while January is the coldest at -4°C (25°F).
The city receives around 899 mm (35 in) of rain/snowfall per year. It experiences a distinct dry season from January to February. June is the wettest month and January the driest.
Sparta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sparta — and find the best time to visit.
Monthly Temperature in Sparta
The climate in Sparta is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -4°C (25°F) in January.
Nighttime temperatures range from 16°C (61°F) in July to -14°C (7°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sparta
Generally, Sparta receives mid-range precipitation levels, with 899 mm (35 in) annually. The seasons in Sparta bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 128 mm (5 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 24 mm (0.9 in) over 8 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sparta Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Sparta by Month
The relative humidity is high throughout the year in Sparta.
The city experiences its highest humidity in September, reaching 76%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Sparta
Frequently asked questions about the climate in Sparta
What is the best time to visit Sparta?
July and September typically offer the most optimal weather in Sparta. In contrast, January, February, March, November and December tend to have less optimal conditions. Sparta has a distinct dry season from January to February.
What temperatures can I expect in Sparta?
Daytime highs range from -4°C (25°F) in January to 28°C (82°F) in July. Nighttime lows range from -14°C (7°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Sparta get?
Annual rainfall is around 899 mm (35 in). June is the wettest month with 128 mm (5 in), while January is the driest with 24 mm (0.9 in).
Sparta 3-Day Forecast
Sparta (WI) 3-Day Forecast
Sparta on the map
Sparta is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.