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Mason County (Lake Michigan)
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United States weather

Weather in Mason County, Michigan for May 2026

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

    Official Weather Alert ⚠️

  • Frost Advisory - See hour by hour.

    • Temperatures

  • The forecast for the upcoming days in Mason County predicts a temperature of 11.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Mason County at the beginning of May is 9.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.9 °F by the end of May.

    • Rain 🌧️

  • The climate of Mason County in May is notably wet, with an average of 12 rainy days, and a total of 99.5 mm of precipitation.

    • More

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

Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
12°/6°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Mason 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
8°
2
Overcast
7°
3
Partly cloudy
7°
4
Overcast
12°
5
Patchy rain possible
11°
6
Overcast
10°
7
Overcast
9°
8
Weather Alert Sunny
16°
9
Patchy rain possible
10°
10
Sunny
8°
11
Sunny
8°
12
Moderate rain
8°
13
Patchy rain possible
6°
14
Partly cloudy
9°
15
Patchy rain possible
10°
16
Partly cloudy
14°
17
Overcast
15°
18
Patchy rain possible
13°
19
Patchy rain possible
18°
20
Patchy rain possible
16°
21
Patchy rain possible
16°
22
Overcast
8°
23
Overcast
8°
24
Cloudy
9°
25
Fog
6°
26
Fog
7°
27
Overcast
15°
28
Mist
13°
29
Overcast
10°
30
Heavy rain at times
10°
31
Partly cloudy
8°

Temperatures trend during May in Mason County

See the weather trend as well as the moving average line

May weather in Mason County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /2° 9.9 mm 6
May 2 Overcast
Overcast
 7° /2° 0.1 mm 5
May 3 Partly cloudy
Partly cloudy
 7° /3° 4 mm 3
May 4 Overcast
Overcast
 12° /4° 1.2 mm 6
May 5 Patchy rain possible
Patchy rain possible
 11° /5° 0.3 mm 6
May 6 Overcast
Overcast
 10° /3° 0 mm 6
May 7 Overcast
Overcast
 9° /3° 0.2 mm 5
May 8 Sunny
Sunny
 16° /2° 0 mm 5.9
May 9 Patchy rain possible
Patchy rain possible
 10° /5° 0.6 mm 5.3
May 10 Sunny
Sunny
 8° /3° 0 mm 6.4
May 11 Sunny
Sunny
 8° /1° 0 mm 6.3
May 12 Moderate rain
Moderate rain
 8° /3° 14.6 mm 0.3
May 13 Patchy rain possible
Patchy rain possible
 6° /5° 0.4 mm 2
May 14 Partly cloudy
Partly cloudy
 9° /5° 0 mm 3
May 15 Patchy rain possible
Patchy rain possible
 10° /6° 0 mm 2
May 16 Partly cloudy
Partly cloudy
 14° /8° 0 mm 4
May 17 Overcast
Overcast
 15° /9° 0 mm 3
May 18 Patchy rain possible
Patchy rain possible
 13° /9° 0.4 mm 3
May 19 Patchy rain possible
Patchy rain possible
 18° /12° 0.2 mm 3
May 20 Patchy rain possible
Patchy rain possible
 16° /13° 2.6 mm 3
May 21 Patchy rain possible
Patchy rain possible
 16° /11° 4.1 mm 3
May 22 Overcast
Overcast
 8° /6° 0.5 mm 2
May 23 Overcast
Overcast
 8° /5° 0 mm 2
May 24 Cloudy
Cloudy
 9° /5° 0 mm 2
May 25 Fog
Fog
 6° /2° 0 mm 2
May 26 Fog
Fog
 7° /3° 0 mm 2
May 27 Overcast
Overcast
 15° /9° 0 mm 4
May 28 Mist
Mist
 13° /8° 0 mm 3
May 29 Overcast
Overcast
 10° /7° 0 mm 3
May 30 Heavy rain at times
Heavy rain at times
 10° /8° 4.1 mm 3
May 31 Partly cloudy
Partly cloudy
 8° /5° 0 mm 3
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Important Notice
Our weather forecast for Mason 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 Mason County forecast closer to your planned date for the most up-to-date weather information.
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Mason County in May - FAQ

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

During May, expect a variety of temperatures with highs around 12° and lows near 6°, suitable for diverse activities and preferences.

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

Moderate rainfall is anticipated in Mason County during May, with a total of 99.5 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

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

The average wind speed in Mason County during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Mason County

Explore the daily rainfall trends and prepare for Mason Countys May weather 💧
Typically, Mason County has 12 rainy days in May with a total of 99.5 mm of rainfall.
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Location coordinates Where is Mason County?

Get accurate weather forecasts for Mason County, located at latitude 44.008 and longitude -86.757. Stay updated with localized weather information tailored for Mason County.

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