Grant County (Williamstown)
May
Weather in Grant County, Kentucky for May 2026
Your guide to Grant County weather in May - trends and predictions
In general, the average temperature in Grant County at the beginning of May is 18.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 20 °F by the end of May.
Grant County in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 256.7 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
20°/12°
Temperatures
17 km/h
Avg max wind
78 %
Avg humidity
Grant County Weather May
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Temperatures trend during May in Grant County
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May weather in Grant County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Moderate rain at times | 24° /17° | 2.2 mm | 3 | |
| May 2 | Moderate or heavy rain shower | 23° /15° | 4.7 mm | 4 | |
| May 3 | Moderate or heavy rain shower | 16° /12° | 26 mm | 2 | |
| May 4 | Moderate or heavy rain shower | 16° /10° | 9.5 mm | 2 | |
| May 5 | Patchy rain possible | 13° /7° | 0.5 mm | 2 | |
| May 6 | Moderate rain at times | 17° /8° | 0.8 mm | 6 | |
| May 7 | Overcast | 22° /10° | 0 mm | 7 | |
| May 8 | Moderate or heavy rain shower | 19° /11° | 6 mm | 5 | |
| May 9 | Partly cloudy | 18° /6° | 0 mm | 10 | |
| May 10 | Overcast | 19° /6° | 0 mm | 8 | |
| May 11 | Sunny | 24° /9° | 0 mm | 10 | |
| May 12 | Heavy rain at times | 20° /14° | 5.8 mm | 2 | |
| May 13 | Moderate or heavy rain shower | 22° /16° | 3.2 mm | 4 | |
| May 14 | Patchy rain possible | 22° /15° | 0.6 mm | 5 | |
| May 15 | Patchy rain possible | 27° /16° | 0.8 mm | 7 | |
| May 16 | Moderate or heavy rain shower | 26° /19° | 12 mm | 2 | |
| May 17 | Cloudy | 22° /15° | 0.1 mm | 9 | |
| May 18 | Overcast | 20° /13° | 0 mm | 9 | |
| May 19 | Overcast | 21° /12° | 0 mm | 3 | |
| May 20 | Moderate or heavy rain shower | 22° /13° | 16.4 mm | 3 | |
| May 21 | Moderate rain at times | 20° /15° | 1.6 mm | 5 | |
| May 22 | Patchy rain possible | 15° /11° | 2.2 mm | 5 | |
| May 23 | Overcast | 16° /7° | 0 mm | 10 | |
| May 24 | Overcast | 19° /9° | 0 mm | 6 | |
| May 25 | Overcast | 18° /14° | 0 mm | 2 | |
| May 26 | Cloudy | 20° /11° | 0 mm | 8 | |
| May 27 | Light rain shower | 22° /12° | 101.6 mm | 2 | |
| May 28 | Mist | 17° /11° | 0 mm | 2 | |
| May 29 | Overcast | 21° /15° | 0 mm | 6 | |
| May 30 | Light rain shower | 18° /13° | 43.5 mm | 2 | |
| May 31 | Moderate rain at times | 24° /14° | 19.2 mm | 8 | |
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Important Notice
Our weather forecast for Grant 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 Grant County forecast closer to your planned date for the most up-to-date weather information.
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Grant County in May - FAQ
What are the expected maximum and minimum temperatures in Grant County during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grant County during May?
Significant rainfall exceeding 256.7 mm is expected in Grant County during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grant County during May?
The average wind speed in Grant County during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Grant County
Explore the daily rainfall trends and prepare for Grant Countys May weather 💧
Typically, Grant County has 18 rainy days in May with a total of 256.7 mm of rainfall.
UV exposure in Grant County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Get accurate weather forecasts for Grant County, located at latitude 38.638 and longitude -84.561. Stay updated with localized weather information tailored for Grant County.
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