Marathon County (Wausau)
May
Weather in Marathon County, Wisconsin for May 2026
Your guide to Marathon County weather in May - trends and predictions
Until now, May 2026 in Marathon County is cooler than usual, with temperatures averaging 11.4 °F, this is -3 °F below the typical seasonal average.
The forecast for the coming days of May 2026 predicts a temperature of 20.2 °F , which is warmer than usual.
In general, the average temperature in Marathon County at the beginning of May is 13.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.9 °F by the end of May.
The climate of Marathon County in May is notably wet, with an average of 11 rainy days, and a total of 117.6 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
17°/7°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
Marathon County Weather May
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Temperatures trend during May in Marathon County
See the weather trend as well as the moving average line
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 | 8° /2° | 4.7 mm | 4 | |
| May 2 |  Patchy rain possible | 10° /1° | 0.9 mm | 5 | |
| May 3 | Patchy rain possible | 16° /3° | 0.3 mm | 5 | |
| May 4 |  Sunny | 19° /4° | 0.1 mm | 7 | |
| May 5 |  Cloudy | 15° /3° | 0 mm | 7 | |
| May 6 |  Overcast | 16° /3° | 0 mm | 7 | |
| May 7 | Overcast | 13° /2° | 0 mm | 5 | |
| May 8 | Sunny | 16° /0° | 0 mm | 7 | |
| May 9 | Sunny | 17° /2° | 0.4 mm | 6 | |
| May 10 | Sunny | 14° /3° | 0.2 mm | 7 | |
| May 11 | Sunny | 18° /1° | 0 mm | 8 | |
| May 12 | Patchy rain possible | 22° /4° | 2.2 mm | 4.9 | |
| May 13 | Patchy rain possible | 11° /3° | 0.2 mm | 3.1 | |
| May 14 | Sunny | 15° /0° | 0 mm | 6.3 | |
| May 15 | Patchy rain possible | 19° /5° | 1.6 mm | 0.1 | |
| May 16 | Patchy rain possible | 19° /8° | 3 mm | 3 | |
| May 17 | Patchy rain possible | 16° /8° | 3.2 mm | 3 | |
| May 18 | Sunny | 18° /9° | 0.1 mm | 4 | |
| May 19 | Sunny | 18° /4° | 0 mm | 4 | |
| May 20 | Sunny | 25° /9° | 0 mm | 5 | |
| May 21 | Patchy rain possible | 23° /16° | 1 mm | 4 | |
| May 22 | Patchy rain possible | 21° /17° | 3.1 mm | 4 | |
| May 23 | Patchy rain possible | 25° /18° | 4.2 mm | 5 | |
| May 24 | Patchy rain possible | 27° /16° | 3.5 mm | 5 | |
| May 25 |  Fog | 24° /17° | 0 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 17° 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 117.6 mm is expected in Marathon County during May, occurring over more than 11 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 20 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 💧
Typically, Marathon County has 11 rainy days in May with a total of 117.6 mm of rainfall.
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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