Olmsted County (Rochester)
May
Weather in Olmsted County, Minnesota for May 2026
Your guide to Olmsted County weather in May - trends and predictions
Frost Advisory - See hour by hour.
The forecast for the next days in Olmsted County predicts temperatures to be around 16 °F, close to the historical average.
In general, the average temperature in Olmsted County at the beginning of May is 15.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °F by the end of May.
The climate of Olmsted County in May is notably wet, with an average of 14 rainy days, and a total of 181.7 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
17
Dry days
14
Rainy days
0
Snow days
18°/8°
Temperatures
23 km/h
Avg max wind
74 %
Avg humidity
Olmsted County Weather May
Move between months or click on a day
Temperatures trend during May in Olmsted County
See the weather trend as well as the moving average line
May weather in Olmsted County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Partly cloudy | 14° /5° | 2.8 mm | 5 | |
| May 2 |  Light rain shower | 12° /5° | 15.2 mm | 4 | |
| May 3 | Partly cloudy | 19° /5° | 0.2 mm | 6 | |
| May 4 |  Light rain | 17° /7° | 0.7 mm | 6 | |
| May 5 |  Sunny | 17° /5° | 0 mm | 7 | |
| May 6 | Partly cloudy | 10° /-1° | 0 mm | 5.1 | |
| May 7 | Partly cloudy | 18° /2° | 0 mm | 4.7 | |
| May 8 | Partly cloudy | 16° /7° | 0 mm | 0.2 | |
| May 9 | Patchy rain possible | 16° /7° | 0.1 mm | 3 | |
| May 10 | Sunny | 16° /2° | 0 mm | 3 | |
| May 11 | Patchy rain possible | 20° /8° | 0.1 mm | 3 | |
| May 12 | Sunny | 22° /10° | 0 mm | 5 | |
| May 13 | Partly cloudy | 24° /14° | 0.1 mm | 5 | |
| May 14 | Partly cloudy | 23° /13° | 0.1 mm | 5 | |
| May 15 | Patchy rain possible | 10° /8° | 0.7 mm | 3 | |
| May 16 | Partly cloudy | 10° /7° | 0 mm | 3 | |
| May 17 |  Overcast | 9° /5° | 0 mm | 2 | |
| May 18 | Partly cloudy | 17° /6° | 0 mm | 4 | |
| May 19 | Patchy rain possible | 16° /6° | 1.2 mm | 3 | |
| May 20 |  Moderate or heavy rain shower | 15° /8° | 88.7 mm | 4 | |
| May 21 |  Moderate or heavy rain with thunder | 15° /7° | 13.9 mm | 4 | |
| May 22 | Overcast | 17° /7° | 0.4 mm | 4 | |
| May 23 | Partly cloudy | 20° /9° | 0 mm | 5 | |
| May 24 | Light rain shower | 17° /7° | 2.4 mm | 4 | |
| May 25 |  Cloudy | 20° /6° | 0 mm | 5 | |
| May 26 | Moderate or heavy rain shower | 17° /11° | 11.5 mm | 4 | |
| May 27 | Light rain shower | 15° /9° | 0.9 mm | 4 | |
| May 28 | Light rain shower | 16° /9° | 6.2 mm | 4 | |
| May 29 | Patchy rain possible | 19° /7° | 0 mm | 5 | |
| May 30 | Partly cloudy | 22° /10° | 0 mm | 5 | |
| May 31 | Light drizzle | 24° /12° | 0.3 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Olmsted 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 Olmsted County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Olmsted County in May - FAQ
What are the expected maximum and minimum temperatures in Olmsted County during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Olmsted County during May?
Significant rainfall exceeding 181.7 mm is expected in Olmsted County during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Olmsted County during May?
The average wind speed in Olmsted County during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Olmsted County
Explore the daily rainfall trends and prepare for Olmsted Countys May weather 💧
Typically, Olmsted County has 14 rainy days in May with a total of 181.7 mm of rainfall.
UV exposure in Olmsted County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Top locations in Olmsted County
Select a location for an accurate weather forecast
More Locations Quick links
More Olmsted County weather pages
You are here
Where is Olmsted County?Get accurate weather forecasts for Olmsted County, located at latitude 44.022 and longitude -92.47. Stay updated with localized weather information tailored for Olmsted County.
Found a mistake?
We appreciate your attention to details. Tell us here.