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Weather in Johnson County for May 2025

Your guide to Johnson County weather in May - trends and predictions
  • In general, the average temperature in Johnson County at the beginning of May is 20.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.4 °F by the end of May.

  • The climate of Johnson County in May is notably wet, with an average of 15 rainy days.

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Johnson County in May average weather

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Temperatures trend during May in Johnson County

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Patchy light rain with thunder
Patchy light rain with thunder
24° /15° 7.3 mm 5
May 2 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
20° /15° 20.5 mm 5
May 3 Sunny
Sunny
21° /10° 0 mm 6
May 4 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
16° /12° 7.7 mm 4
May 5 Overcast
Overcast
15° /8° 0 mm 4
May 6 Light rain shower
Light rain shower
23° /11° 44.9 mm 5
May 7 Overcast
Overcast
23° /13° 0 mm 5
May 8 Partly cloudy
Partly cloudy
21° /13° 0 mm 6
May 9 Patchy light drizzle
Patchy light drizzle
19° /10° 1 mm 4
May 10 Mist
Mist
19° /9° 0 mm 4
May 11 Partly cloudy
Partly cloudy
23° /12° 0 mm 6
May 12 Light rain shower
Light rain shower
20° /14° 7.3 mm 5
May 13 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
21° /15° 14.6 mm 5
May 14 Light rain shower
Light rain shower
19° /13° 1.4 mm 4
May 15 Patchy rain possible
Patchy rain possible
23° /10° 0 mm 5
May 16 Light rain shower
Light rain shower
22° /15° 18.3 mm 5
May 17 Light rain shower
Light rain shower
21° /15° 3.2 mm 5
May 18 Fog
Fog
26° /16° 0 mm 6
May 19 Thundery outbreaks possible
Thundery outbreaks possible
27° /18° 20.2 mm 6
May 20 Partly cloudy
Partly cloudy
20° /7° 0 mm 6
May 21 Sunny
Sunny
23° /9° 0 mm 6
May 22 Partly cloudy
Partly cloudy
23° /11° 0.3 mm 6
May 23 Partly cloudy
Partly cloudy
26° /12° 0.1 mm 7
May 24 Heavy rain at times
Heavy rain at times
23° /14° 5.6 mm 6
May 25 Overcast
Overcast
25° /13° 0.8 mm 6
May 26 Partly cloudy
Partly cloudy
24° /14° 2 mm 6
May 27 Sunny
Sunny
25° /12° 0 mm 6
May 28 Sunny
Sunny
25° /13° 0 mm 7
May 29 Patchy rain possible
Patchy rain possible
25° /14° 0.2 mm 6
May 30 Moderate rain at times
Moderate rain at times
24° /15° 6 mm 6
May 31 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /15° 14.5 mm 5
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Important Notice
Our weather forecast for Johnson 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 Johnson County forecast closer to your planned date for the most up-to-date weather information.

Johnson County in May - FAQ

What are the expected maximum and minimum temperatures in Johnson County during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Johnson County during May?
Significant rainfall exceeding 169.8 mm is expected in Johnson County during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johnson County during May?
The average wind speed in Johnson County during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Johnson County

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

UV exposure in Johnson 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 Johnson County?

Get accurate weather forecasts for Johnson County, located at latitude 38.982 and longitude -94.671. Stay updated with localized weather information tailored for Johnson County.

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