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Weather in Saint Mary's County, Maryland for May 2027

Your guide to Saint Mary's County weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Saint Mary's County at the beginning of May is 21.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.3 °C by the end of May.

  • Rain 🌧️

  • Saint Mary's County in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 376 mm.

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Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/14°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Saint Mary's County Weather May

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Temperatures trend during May in Saint Mary's County

See the weather trend as well as the moving average line

May weather in Saint Mary's County day by day

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Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
21° /10° 0.1 mm 8
May 2 Cloudy
Cloudy
21° /14° 0 mm 7
May 3 Heavy rain at times
Heavy rain at times
22° /11° 0.6 mm 8
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /12° 13.6 mm 8
May 5 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /15° 5.7 mm 8
May 6 Patchy rain possible
Patchy rain possible
22° /16° 5.5 mm 6
May 7 Patchy rain possible
Patchy rain possible
20° /12° 1.8 mm 4
May 8 Patchy rain possible
Patchy rain possible
21° /11° 0.3 mm 8
May 9 Patchy rain possible
Patchy rain possible
20° /12° 2.7 mm 7
May 10 Overcast
Overcast
23° /11° 0 mm 7
May 11 Overcast
Overcast
20° /12° 5.9 mm 5
May 12 Patchy rain possible
Patchy rain possible
20° /10° 0.5 mm 8
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /14° 21 mm 7
May 14 Patchy rain possible
Patchy rain possible
21° /13° 15.5 mm 5
May 15 Patchy rain possible
Patchy rain possible
23° /13° 1 mm 6
May 16 Patchy rain possible
Patchy rain possible
28° /14° 0.2 mm 8
May 17 Overcast
Overcast
28° /18° 0.2 mm 8
May 18 Overcast
Overcast
29° /18° 0 mm 9
May 19 Overcast
Overcast
29° /17° 0 mm 8
May 20 Overcast
Overcast
28° /18° 0.1 mm 8
May 21 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /13° 18 mm 4
May 22 Moderate or heavy rain shower
Moderate or heavy rain shower
19° /13° 18.6 mm 4
May 23 Partly cloudy
Partly cloudy
17° /13° 10.4 mm 4
May 24 Sunny
Sunny
21° /13° 2.7 mm 4
May 25 Partly cloudy
Partly cloudy
21° /16° 18 mm 4
May 26 Overcast
Overcast
21° /16° 0.6 mm 3
May 27 Overcast
Overcast
22° /16° 5.8 mm 3
May 28 Heavy rain
Heavy rain
19° /14° 40.7 mm 7
May 29 Fog
Fog
22° /12° 1 mm 8
May 30 Light rain shower
Light rain shower
22° /16° 10.7 mm 8
May 31 Torrential rain shower
Torrential rain shower
22° /13° 73.7 mm 8
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Important Notice
Our weather forecast for Saint Mary's 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 Mary's County forecast closer to your planned date for the most up-to-date weather information.

Saint Mary's County in May - FAQ

What are the expected maximum and minimum temperatures in Saint Mary's County during May?

Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Saint Mary's County during May?

Significant rainfall exceeding 376 mm is expected in Saint Mary's County during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Saint Mary's County during May?

The average wind speed in Saint Mary's County during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Saint Mary's County

Explore the daily rainfall trends and prepare for Saint Mary's Countys May weather 💧
Typically, Saint Mary's County has 17 rainy days in May with a total of 376 mm of rainfall.

UV exposure in Saint Mary's 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 Mary's County?

Get accurate weather forecasts for Saint Mary's County, located at latitude 38.3 and longitude -76.507. Stay updated with localized weather information tailored for Saint Mary's County.

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