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Weather in Sangamon County, Illinois for May 2027

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

    Temperatures

  • In general, the average temperature in Sangamon County at the beginning of May is 19.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.7 °C by the end of May.

  • Rain 🌧️

  • Sangamon County experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 166.2 mm.

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Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Sangamon County Weather May

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Temperatures trend during May in Sangamon County

See the weather trend as well as the moving average line

May weather in Sangamon County day by day

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Date Weather Temperatures Rain UV More
May 1 Thundery outbreaks possible
Thundery outbreaks possible
19° /12° 18.2 mm 6
May 2 Overcast
Overcast
19° /10° 3.4 mm 7
May 3 Patchy rain possible
Patchy rain possible
19° /11° 1.9 mm 6
May 4 Light rain shower
Light rain shower
19° /11° 18.3 mm 5
May 5 Overcast
Overcast
17° /9° 2.7 mm 4
May 6 Light drizzle
Light drizzle
19° /10° 0.2 mm 5
May 7 Patchy light rain with thunder
Patchy light rain with thunder
22° /11° 1.9 mm 7
May 8 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /11° 5.3 mm 6
May 9 Patchy rain possible
Patchy rain possible
21° /8° 0.1 mm 6
May 10 Partly cloudy
Partly cloudy
21° /9° 1.3 mm 7
May 11 Partly cloudy
Partly cloudy
23° /10° 0 mm 8
May 12 Partly cloudy
Partly cloudy
24° /12° 5.2 mm 7
May 13 Light rain shower
Light rain shower
21° /14° 3.7 mm 6
May 14 Fog
Fog
22° /11° 1.4 mm 7
May 15 Patchy rain possible
Patchy rain possible
24° /15° 2.9 mm 6
May 16 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 9.8 mm 7
May 17 Light rain shower
Light rain shower
24° /15° 2.3 mm 7
May 18 Patchy rain possible
Patchy rain possible
24° /14° 7.3 mm 6
May 19 Thundery outbreaks possible
Thundery outbreaks possible
24° /14° 36.2 mm 5
May 20 Patchy light rain with thunder
Patchy light rain with thunder
22° /13° 15.8 mm 7
May 21 Patchy light rain with thunder
Patchy light rain with thunder
23° /14° 4.6 mm 5
May 22 Light rain shower
Light rain shower
19° /12° 3.9 mm 5
May 23 Patchy rain possible
Patchy rain possible
22° /12° 0.2 mm 4
May 24 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
24° /15° 5.4 mm 7
May 25 Sunny
Sunny
22° /12° 0 mm 6
May 26 Overcast
Overcast
23° /12° 2.2 mm 7
May 27 Patchy rain possible
Patchy rain possible
23° /14° 1.9 mm 6
May 28 Patchy rain possible
Patchy rain possible
23° /14° 3.1 mm 7
May 29 Patchy rain possible
Patchy rain possible
22° /12° 0 mm 7
May 30 Sunny
Sunny
26° /13° 0 mm 7
May 31 Overcast
Overcast
27° /14° 2.3 mm 7
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Important Notice
Our weather forecast for Sangamon 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 Sangamon County forecast closer to your planned date for the most up-to-date weather information.

Sangamon County in May - FAQ

What are the expected maximum and minimum temperatures in Sangamon County during May?

Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Sangamon County during May?

Significant rainfall exceeding 166.2 mm is expected in Sangamon County during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Sangamon County during May?

The average wind speed in Sangamon County during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Sangamon County

Explore the daily rainfall trends and prepare for Sangamon Countys May weather 💧
Typically, Sangamon County has 24 rainy days in May with a total of 166.2 mm of rainfall.

UV exposure in Sangamon 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 Sangamon County?

Get accurate weather forecasts for Sangamon County, located at latitude 39.802 and longitude -89.644. Stay updated with localized weather information tailored for Sangamon County.

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