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United States weather

Weather in Jefferson County for May 2025

Your guide to Jefferson County weather in May - trends and predictions

    Temperatures

  • Until now, May 2025 in Jefferson County has been nearly identical to the historical average, with a temperature of 14.4 °F (showing only a slight deviation of -0.3 °F).

  • The forecast for the next days in Jefferson County predicts temperatures to be around 16 °F, close to the historical average.

  • In general, the average temperature in Jefferson County at the beginning of May is 16 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 17 °F by the end of May.

    • Rain 🌧️

  • Jefferson County in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 106.7 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/10°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Jefferson County Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
14°
2
Patchy rain possible
14°
3
Mist
16°
4
Light rain
16°
5
Light rain
16°
6
Light drizzle
19°
7
Mist
17°
8
Light rain shower
11°
9
Fog
10°
10
Light rain shower
15°
11
Light rain shower
13°
12
Light rain
16°
13
Light rain
14°
14
Overcast
21°
15
Cloudy
22°
16
Overcast
24°
17
Moderate rain
21°
18
Patchy rain possible
11°
19
Overcast
13°
20
Sunny
14°
21
Patchy rain possible
13°
22
Patchy rain possible
13°
23
Patchy rain possible
8°
24
Patchy rain possible
10°
25
Patchy rain possible
15°
26
Patchy rain possible
17°
27
Patchy rain possible
17°
28
Light rain shower
18°
29
Patchy rain possible
17°
30
Sunny
17°
31
Partly cloudy
18°

Temperatures trend during May in Jefferson County

See the weather trend as well as the moving average line

May weather in Jefferson County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Fog
Fog
 14° /3° 0 mm 4
May 2 Patchy rain possible
Patchy rain possible
 14° /9° 7.4 mm 3
May 3 Mist
Mist
 16° /7° 0 mm 4
May 4 Light rain
Light rain
 16° /8° 2.8 mm 4
May 5 Light rain
Light rain
 16° /10° 3.5 mm 4
May 6 Light drizzle
Light drizzle
 19° /10° 0.6 mm 5
May 7 Mist
Mist
 17° /8° 7.9 mm 4
May 8 Light rain shower
Light rain shower
 11° /7° 8.5 mm 3
May 9 Fog
Fog
 10° /4° 0.3 mm 3
May 10 Light rain shower
Light rain shower
 15° /4° 2.1 mm 4
May 11 Light rain shower
Light rain shower
 13° /5° 3.4 mm 4
May 12 Light rain
Light rain
 16° /5° 1.5 mm 4
May 13 Light rain
Light rain
 14° /6° 3.6 mm 3
May 14 Overcast
Overcast
 21° /15° 0 mm 0.9
May 15 Cloudy
Cloudy
 22° /15° 0 mm 1.5
May 16 Overcast
Overcast
 24° /17° 0 mm 1.5
May 17 Moderate rain
Moderate rain
 21° /13° 17.8 mm 0.9
May 18 Patchy rain possible
Patchy rain possible
 11° /5° 0.4 mm 0
May 19 Overcast
Overcast
 13° /4° 0 mm 2
May 20 Sunny
Sunny
 14° /2° 0 mm 3
May 21 Patchy rain possible
Patchy rain possible
 13° /2° 0 mm 2
May 22 Patchy rain possible
Patchy rain possible
 13° /7° 0.5 mm 2
May 23 Patchy rain possible
Patchy rain possible
 8° /5° 0.9 mm 2
May 24 Patchy rain possible
Patchy rain possible
 10° /4° 0.2 mm 2
May 25 Patchy rain possible
Patchy rain possible
 15° /7° 0.4 mm 2
May 26 Patchy rain possible
Patchy rain possible
 17° /6° 3 mm 3
May 27 Patchy rain possible
Patchy rain possible
 17° /10° 0.3 mm 3
May 28 Light rain shower
Light rain shower
 18° /11° 4.8 mm 4
May 29 Patchy rain possible
Patchy rain possible
 17° /8° 0 mm 4
May 30 Sunny
Sunny
 17° /6° 0 mm 5
May 31 Partly cloudy
Partly cloudy
 18° /7° 0 mm 5
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.
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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 17° and cooler nights around 10°. 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 106.7 mm is expected in Jefferson County during May, occurring over more than 20 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 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Jefferson County

Explore the daily rainfall trends and prepare for Jefferson Countys May weather 💧

UV exposure in Jefferson County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Jefferson County?

Get accurate weather forecasts for Jefferson County, located at latitude 43.975 and longitude -75.911. Stay updated with localized weather information tailored for Jefferson County.

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