Williamstown (KY)
May
Weather in Williamstown, Kentucky for May 2026
Your guide to Williamstown weather in May - trends and predictions
Until now, May 2026 in Williamstown is slightly cooler than the historical average by -0.9 °F.
The forecast for the coming days of May 2026 predicts a temperature of 25.2 °F , which is warmer than usual.
In general, the average temperature in Williamstown at the beginning of May is 17.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °F by the end of May.
Williamstown 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
Williamstown Weather May
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Temperatures trend during May in Williamstown
See the weather trend as well as the moving average line
May weather in Williamstown day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain at times | 19° /11° | 1.4 mm | 5 | |
| May 2 | Moderate or heavy rain shower | 17° /8° | 2.4 mm | 7 | |
| May 3 | Moderate or heavy rain shower | 16° /7° | 13 mm | 6 | |
| May 4 | Moderate or heavy rain shower | 19° /9° | 6.5 mm | 4 | |
| May 5 |  Patchy rain possible | 16° /10° | 5.4 mm | 4 | |
| May 6 | Moderate rain at times | 16° /7° | 3.4 mm | 4 | |
| May 7 |  Overcast | 19° /7° | 0 mm | 9 | |
| May 8 | Moderate or heavy rain shower | 19° /8° | 3 mm | 8 | |
| May 9 |  Partly cloudy | 20° /8° | 1.2 mm | 9 | |
| May 10 | Overcast | 20° /9° | 0 mm | 8 | |
| May 11 |  Sunny | 22° /9° | 0 mm | 10 | |
| May 12 |  Heavy rain at times | 21° /9° | 2.9 mm | 6 | |
| May 13 | Moderate or heavy rain shower | 21° /13° | 2.9 mm | 5 | |
| May 14 | Sunny | 21° /6° | 0 mm | 7.6 | |
| May 15 | Patchy rain possible | 22° /7° | 0.5 mm | 0.5 | |
| May 16 |  Moderate rain | 25° /15° | 9.3 mm | 4 | |
| May 17 | Moderate rain | 28° /18° | 15.5 mm | 5 | |
| May 18 | Sunny | 29° /18° | 0 mm | 6 | |
| May 19 | Patchy rain possible | 29° /18° | 1.8 mm | 5 | |
| May 20 | Patchy rain possible | 21° /13° | 0.8 mm | 4 | |
| May 21 | Sunny | 25° /10° | 0 mm | 5 | |
| May 22 | Sunny | 25° /12° | 0 mm | 5 | |
| May 23 | Patchy rain possible | 31° /15° | 0.2 mm | 5 | |
| May 24 | Sunny | 30° /18° | 0 mm | 6 | |
| May 25 | Moderate rain | 29° /18° | 11.6 mm | 5 | |
| May 26 | Patchy rain possible | 22° /13° | 1.8 mm | 4 | |
| May 27 | Partly cloudy | 16° /9° | 0.1 mm | 4 | |
| 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 Williamstown 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 Williamstown forecast closer to your planned date for the most up-to-date weather information.
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Williamstown in May - FAQ
What are the expected maximum and minimum temperatures in Williamstown 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 Williamstown during May?
Significant rainfall exceeding 256.7 mm is expected in Williamstown during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Williamstown during May?
The average wind speed in Williamstown during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Williamstown
Explore the daily rainfall trends and prepare for Williamstowns May weather 💧
Typically, Williamstown has 18 rainy days in May with a total of 256.7 mm of rainfall.
UV exposure in Williamstown during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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