Jefferson County
May
Weather in Jefferson County for May 2025
Your guide to Jefferson County weather in May - trends and predictions
In general, the average temperature in Jefferson County at the beginning of May is 21.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.7 °F by the end of May.
The climate of Jefferson County in May is notably wet, with an average of 12 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
19
Dry days
12
Rainy days
0
Snow days
25°/11°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Jefferson County in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2 21° | 3  19° | 4 22° | |||
| 5  22° | 6 19° | 7 25° | 8 27° | 9  24° | 10  21° | 11  23° |
| 12 23° | 13 23° | 14 22° | 15 21° | 16 22° | 17 22° | 18 22° |
| 19 25° | 20 26° | 21 27° | 22 26° | 23  26° | 24 28° | 25 24° |
| 26 26° | 27 24° | 28 20° | 29 23° | 30 24° | 31 25° |
You can click on date
Access Jefferson County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Jefferson County
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Patchy rain possible | 20° /9° | 0.3 mm | 5 | |
| May 2 | Patchy rain possible | 21° /11° | 0.1 mm | 5 | |
| May 3 | Cloudy | 19° /10° | 8.4 mm | 5 | |
| May 4 | Cloudy | 22° /9° | 0.5 mm | 5 | |
| May 5 | Moderate or heavy rain shower | 22° /12° | 7.2 mm | 5 | |
| May 6 | Moderate or heavy rain shower | 19° /13° | 6 mm | 4 | |
| May 7 | Moderate or heavy rain shower | 25° /16° | 6 mm | 6 | |
| May 8 | Patchy rain possible | 27° /16° | 11.5 mm | 6 | |
| May 9 | Overcast | 24° /14° | 10 mm | 5 | |
| May 10 | Sunny | 21° /9° | 0.3 mm | 6 | |
| May 11 | Heavy rain at times | 23° /10° | 1.1 mm | 6 | |
| May 12 | Patchy rain possible | 23° /13° | 1.7 mm | 6 | |
| May 13 | Patchy rain possible | 23° /15° | 3.1 mm | 6 | |
| May 14 | Overcast | 22° /16° | 3.3 mm | 5 | |
| May 15 | Moderate rain at times | 21° /15° | 3 mm | 5 | |
| May 16 | Moderate or heavy rain shower | 22° /13° | 10.2 mm | 5 | |
| May 17 | Cloudy | 22° /13° | 8.6 mm | 5 | |
| May 18 | Sunny | 22° /12° | 12.6 mm | 6 | |
| May 19 | Patchy rain possible | 25° /15° | 0.9 mm | 6 | |
| May 20 | Moderate or heavy rain shower | 26° /14° | 7.9 mm | 6 | |
| May 21 | Sunny | 27° /13° | 0.1 mm | 7 | |
| May 22 | Sunny | 26° /15° | 5.4 mm | 7 | |
| May 23 | Partly cloudy | 26° /15° | 8.3 mm | 6 | |
| May 24 | Partly cloudy | 28° /15° | 0.7 mm | 7 | |
| May 25 | Cloudy | 24° /15° | 2.1 mm | 6 | |
| May 26 | Partly cloudy | 26° /13° | 3.7 mm | 6 | |
| May 27 | Overcast | 24° /13° | 1.6 mm | 5 | |
| May 28 | Patchy rain possible | 20° /13° | 0.8 mm | 5 | |
| May 29 | Patchy rain possible | 23° /12° | 0.2 mm | 5 | |
| May 30 | Moderate or heavy rain shower | 24° /12° | 1 mm | 6 | |
| May 31 | Patchy rain possible | 25° /12° | 0.6 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Jefferson 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Jefferson County in May - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during May?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jefferson County during May?
Significant rainfall exceeding 239.1 mm is expected in Jefferson County during May, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jefferson County during May?
The average wind speed in Jefferson County during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in Jefferson County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 38.254 and longitude -85.759. Stay updated with localized weather information tailored for Jefferson County.
Found a mistake?
We appreciate your attention to details. Tell us here.