Marathon County (Wausau)
May
Weather in Marathon County, Wisconsin for May 2026
Your guide to Marathon County weather in May - trends and predictions
In general, the average temperature in Marathon County at the beginning of May is 15.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °F by the end of May.
The climate of Marathon County in May is notably wet, with an average of 13 rainy days, and a total of 155.2 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
18°/7°
Temperatures
21 km/h
Avg max wind
76 %
Avg humidity
Marathon County Weather May
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Temperatures trend during May in Marathon County
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May weather in Marathon County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate or heavy rain shower | 9° /6° | 9.4 mm | 2 | |
| May 2 |  Patchy rain possible | 8° /4° | 1.9 mm | 2 | |
| May 3 | Patchy rain possible | 15° /1° | 0.4 mm | 4 | |
| May 4 |  Sunny | 20° /4° | 0 mm | 6 | |
| May 5 |  Cloudy | 20° /7° | 0 mm | 5 | |
| May 6 |  Overcast | 23° /8° | 0 mm | 5 | |
| May 7 | Overcast | 16° /5° | 0 mm | 4 | |
| May 8 | Sunny | 17° /0° | 0 mm | 5 | |
| May 9 | Sunny | 21° /2° | 0 mm | 6 | |
| May 10 | Sunny | 19° /7° | 0 mm | 5 | |
| May 11 | Sunny | 22° /3° | 0 mm | 6 | |
| May 12 | Sunny | 26° /9° | 0 mm | 7 | |
| May 13 | Moderate rain at times | 23° /13° | 0.6 mm | 5 | |
| May 14 | Patchy rain possible | 25° /14° | 0.6 mm | 5 | |
| May 15 | Moderate or heavy rain shower | 26° /14° | 46.4 mm | 6 | |
| May 16 |  Thundery outbreaks possible | 22° /10° | 0.9 mm | 5 | |
| May 17 | Overcast | 10° /6° | 0 mm | 3 | |
| May 18 | Overcast | 6° /3° | 0 mm | 2 | |
| May 19 | Overcast | 13° /3° | 0 mm | 3 | |
| May 20 | Overcast | 10° /5° | 0 mm | 3 | |
| May 21 | Moderate or heavy rain shower | 16° /7° | 18.2 mm | 4 | |
| May 22 |  Heavy rain at times | 15° /7° | 3.2 mm | 4 | |
| May 23 | Cloudy | 18° /5° | 0 mm | 4 | |
| May 24 | Moderate or heavy rain shower | 18° /6° | 11.6 mm | 5 | |
| May 25 | Cloudy | 19° /6° | 0.1 mm | 4 | |
| May 26 | Moderate or heavy rain shower | 16° /9° | 13 mm | 4 | |
| May 27 | Patchy rain possible | 17° /9° | 1.4 mm | 4 | |
| May 28 | Moderate rain at times | 15° /9° | 8.5 mm | 4 | |
| May 29 | Overcast | 18° /8° | 0 mm | 4 | |
| May 30 | Overcast | 21° /8° | 1.4 mm | 5 | |
| May 31 | Overcast | 21° /7° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Marathon County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Marathon County forecast closer to your planned date for the most up-to-date weather information.
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Marathon County in May - FAQ
What are the expected maximum and minimum temperatures in Marathon County during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Marathon County during May?
Significant rainfall exceeding 155.2 mm is expected in Marathon County during May, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Marathon County during May?
The average wind speed in Marathon County during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Marathon County
Explore the daily rainfall trends and prepare for Marathon Countys May weather 💧
UV exposure in Marathon County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Marathon County?Get accurate weather forecasts for Marathon County, located at latitude 44.959 and longitude -89.63. Stay updated with localized weather information tailored for Marathon County.
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