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Weather in Wellington County for May 2026

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

    Temperatures

  • Until now, May 2026 in Wellington County is cooler than usual, with temperatures averaging 11.4 °C, this is -2.3 °C below the typical seasonal average.

  • The forecast for the next days in Wellington County predicts temperatures to be around 15 °C, close to the historical average.

  • In general, the average temperature in Wellington County at the beginning of May is 13.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °C by the end of May.

    • Rain 🌧️

  • Wellington County experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 156.3 mm.

    • More

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

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/7°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Wellington County Weather May

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

Temperatures trend during May in Wellington County

See the weather trend as well as the moving average line

May weather in Wellington County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /2° 16.8 mm 4
2 May Moderate rain at times
Moderate rain at times
 11° /2° 1.8 mm 4
3 May Moderate rain at times
Moderate rain at times
 13° /3° 2.1 mm 4
4 May Patchy rain possible
Patchy rain possible
 15° /6° 1.5 mm 3
5 May Patchy rain possible
Patchy rain possible
 14° /7° 1 mm 3
6 May Overcast
Overcast
 15° /5° 13.2 mm 5
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /5° 2.6 mm 4
8 May Cloudy
Cloudy
 16° /5° 0.3 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /4° 2.8 mm 4
10 May Partly cloudy
Partly cloudy
 16° /4° 0.3 mm 6
11 May Sunny
Sunny
 14° /1° 0 mm 6.2
12 May Moderate rain
Moderate rain
 13° /-1° 5.3 mm 6.5
13 May Moderate rain
Moderate rain
 11° /5° 7.6 mm 4.2
14 May Patchy rain possible
Patchy rain possible
 8° /2° 0.2 mm 2.2
15 May Moderate rain
Moderate rain
 13° /1° 7.6 mm 0.7
16 May Partly cloudy
Partly cloudy
 13° /1° 0 mm 3
17 May Patchy rain possible
Patchy rain possible
 20° /6° 1.3 mm 3
18 May Overcast
Overcast
 13° /8° 0 mm 3
19 May Moderate rain
Moderate rain
 16° /8° 6.9 mm 3
20 May Patchy rain possible
Patchy rain possible
 17° /9° 4.6 mm 3
21 May Overcast
Overcast
 18° /7° 0 mm 3
22 May Patchy rain possible
Patchy rain possible
 20° /8° 0.9 mm 3
23 May Cloudy
Cloudy
 15° /3° 0 mm 3
24 May Patchy rain possible
Patchy rain possible
 20° /10° 1.5 mm 3
25 May Sunny
Sunny
 17° /5° 0.5 mm 4
26 May Sunny
Sunny
 20° /5° 0 mm 5
27 May Sunny
Sunny
 20° /9° 1.1 mm 5
28 May Sunny
Sunny
 18° /10° 2.6 mm 5
29 May Sunny
Sunny
 18° /8° 12.7 mm 4
30 May Sunny
Sunny
 20° /8° 0 mm 5
31 May Sunny
Sunny
 20° /8° 4.4 mm 5
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Important Notice
Our weather forecast for Wellington 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 Wellington County forecast closer to your planned date for the most up-to-date weather information.
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Wellington County in May - FAQ

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

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

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

Significant rainfall exceeding 156.3 mm is expected in Wellington County during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

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

The average wind speed in Wellington County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Wellington County

Explore the daily rainfall trends and prepare for Wellington Countys May weather 💧
Typically, Wellington County has 22 rainy days in May with a total of 156.3 mm of rainfall.
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Location coordinates Where is Wellington County?

Get accurate weather forecasts for Wellington County, located at latitude 43.546 and longitude -80.256. Stay updated with localized weather information tailored for Wellington County.

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