Yellowstone County (Billings)
May
Weather in Yellowstone County, Montana for May 2027
Your guide to Yellowstone County weather in May - trends and predictions
Yellowstone County experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 64.6 mm.
Is May a good time to visit Yellowstone County? check out the best time to travel to Yellowstone County page.
✨ Is May a good time to visit Yellowstone County? – Ask the AI Weatherman
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
21°/7°
Temperatures
22 km/h
Avg max wind
56 %
Avg humidity
Yellowstone County Weather May
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Temperatures trend during May in Yellowstone County
See the weather trend as well as the moving average line
May weather in Yellowstone County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 20° /4° | 0.6 mm | 6 | |
| May 2 |  Partly cloudy | 22° /5° | 0 mm | 7 | |
| May 3 |  Sunny | 25° /7° | 0.1 mm | 8 | |
| May 4 | Partly cloudy | 20° /6° | 0 mm | 6 | |
| May 5 |  Heavy rain at times | 12° /3° | 5 mm | 5 | |
| May 6 | Patchy rain possible | 14° /2° | 0.9 mm | 5 | |
| May 7 | Patchy rain possible | 20° /6° | 1.8 mm | 5 | |
| May 8 | Sunny | 25° /7° | 0 mm | 8 | |
| May 9 |  Light rain | 21° /9° | 6.3 mm | 6 | |
| May 10 | Partly cloudy | 28° /7° | 0 mm | 8 | |
| May 11 |  Overcast | 28° /13° | 0 mm | 7 | |
| May 12 | Patchy rain possible | 26° /9° | 0.2 mm | 7 | |
| May 13 | Light rain | 26° /8° | 6.4 mm | 6 | |
| May 14 |  Moderate rain | 18° /9° | 12.3 mm | 6 | |
| May 15 | Light rain | 17° /8° | 3.4 mm | 6 | |
| May 16 | Patchy rain possible | 18° /6° | 1.4 mm | 5 | |
| May 17 | Patchy rain possible | 15° /5° | 1.1 mm | 4 | |
| May 18 | Moderate rain | 13° /5° | 10.3 mm | 4 | |
| May 19 | Heavy rain at times | 15° /3° | 5.2 mm | 6 | |
| May 20 | Patchy rain possible | 18° /5° | 1.6 mm | 6 | |
| May 21 | Patchy rain possible | 18° /4° | 1 mm | 4 | |
| May 22 | Overcast | 21° /4° | 0.7 mm | 7 | |
| May 23 | Patchy rain possible | 22° /7° | 0.1 mm | 7 | |
| May 24 | Patchy rain possible | 23° /9° | 1.2 mm | 7 | |
| May 25 |  Mist | 26° /8° | 0 mm | 7 | |
| May 26 | Overcast | 27° /8° | 0.1 mm | 8 | |
| May 27 | Mist | 28° /11° | 0 mm | 8 | |
| May 28 | Sunny | 28° /14° | 0 mm | 8 | |
| May 29 | Mist | 30° /11° | 0 mm | 8 | |
| May 30 | Patchy rain possible | 25° /14° | 1 mm | 8 | |
| May 31 | Light rain | 24° /10° | 4.1 mm | 8 | |
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Important Notice
Our weather forecast for Yellowstone 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 Yellowstone County forecast closer to your planned date for the most up-to-date weather information.
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Yellowstone County in May - FAQ
What are the expected maximum and minimum temperatures in Yellowstone County during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yellowstone County during May?
Moderate rainfall is anticipated in Yellowstone County during May, with a total of 64.6 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Yellowstone County during May?
The average wind speed in Yellowstone County during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Yellowstone County
Explore the daily rainfall trends and prepare for Yellowstone Countys May weather 💧
Typically, Yellowstone County has 10 rainy days in May with a total of 64.6 mm of rainfall.
UV exposure in Yellowstone County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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