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Weather in Saint Joseph County, Michigan for May 2026

Your guide to Saint Joseph County weather in May - trends and predictions

    Temperatures

  • The forecast for the upcoming days in Saint Joseph County predicts a temperature of 18.2 °F, which is slightly above the historical average.

  • In general, the average temperature in Saint Joseph County at the beginning of May is 15.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.9 °F by the end of May.

  • Rain 🌧️

  • The climate of Saint Joseph County in May is notably wet, with an average of 15 rainy days, and a total of 107.5 mm of precipitation.

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/9°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Saint Joseph County Weather May

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Temperatures trend during May in Saint Joseph County

See the weather trend as well as the moving average line

May weather in Saint Joseph County day by day

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Date Weather Temperatures Rain UV More
May 1 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /5° 12.1 mm 6
May 2 Patchy rain possible
Patchy rain possible
13° /4° 0.9 mm 7
May 3 Overcast
Overcast
14° /5° 0 mm 5
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /7° 9.4 mm 6
May 5 Patchy rain possible
Patchy rain possible
16° /7° 3.3 mm 3
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /7° 4 mm 6
May 7 Overcast
Overcast
18° /5° 0.6 mm 7
May 8 Sunny
Sunny
20° /4° 0 mm 6.2
May 9 Patchy rain possible
Patchy rain possible
20° /8° 2.7 mm 6.7
May 10 Partly cloudy
Partly cloudy
15° /7° 0.1 mm 6.8
May 11 Sunny
Sunny
12° /2° 0 mm 6.6
May 12 Moderate rain
Moderate rain
12° /3° 6.7 mm 0.4
May 13 Patchy rain possible
Patchy rain possible
11° /7° 1.4 mm 3
May 14 Cloudy
Cloudy
12° /6° 0 mm 2
May 15 Cloudy
Cloudy
14° /7° 0 mm 3
May 16 Patchy rain possible
Patchy rain possible
18° /9° 0.2 mm 3
May 17 Patchy rain possible
Patchy rain possible
15° /12° 1.6 mm 3
May 18 Fog
Fog
24° /14° 0 mm 4
May 19 Sunny
Sunny
27° /15° 0 mm 6
May 20 Patchy rain possible
Patchy rain possible
27° /17° 3.9 mm 5
May 21 Patchy rain possible
Patchy rain possible
28° /21° 0.4 mm 5
May 22 Moderate rain at times
Moderate rain at times
13° /6° 4.6 mm 3
May 23 Patchy rain possible
Patchy rain possible
13° /3° 0.6 mm 3
May 24 Cloudy
Cloudy
16° /2° 0 mm 4
May 25 Mist
Mist
18° /4° 0 mm 4
May 26 Overcast
Overcast
19° /9° 0 mm 4
May 27 Overcast
Overcast
14° /11° 0 mm 3
May 28 Mist
Mist
15° /9° 0 mm 4
May 29 Fog
Fog
17° /11° 0 mm 4
May 30 Thundery outbreaks possible
Thundery outbreaks possible
14° /10° 0 mm 3
May 31 Overcast
Overcast
21° /7° 0 mm 5
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Important Notice
Our weather forecast for Saint Joseph 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 Saint Joseph County forecast closer to your planned date for the most up-to-date weather information.

Saint Joseph County in May - FAQ

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

Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Saint Joseph County during May?

Significant rainfall exceeding 107.5 mm is expected in Saint Joseph 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 Saint Joseph County during May?

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

May rainfall patterns in Saint Joseph County

Explore the daily rainfall trends and prepare for Saint Joseph Countys May weather 💧
Typically, Saint Joseph County has 15 rainy days in May with a total of 107.5 mm of rainfall.

UV exposure in Saint Joseph 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 Saint Joseph County?

Get accurate weather forecasts for Saint Joseph County, located at latitude 41.799 and longitude -85.419. Stay updated with localized weather information tailored for Saint Joseph County.

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