Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Noticing a change, the average high-temperature during May moves from April's mild 58.6°F (14.8°C) to a comfortable 67.6°F (19.8°C). Showell's May nights witness minimal differential from the daytime temperatures, with averages of 58.6°F (14.8°C).Humidity
With an average relative humidity of 81%, May is the most humid month.Rainfall
In May, the rain falls for 13.2 days. Throughout May, 1.3" (33mm) of precipitation is accumulated. In Showell, during the entire year, the rain falls for 139.3 days and collects up to 16.85" (428mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during May leads to these advisories:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May in Showell?
Average temperature in May
Showell, MD
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in May
Showell, MD
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Showell, MD
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in May
Showell, MD
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in May
Showell, MD
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Showell, MD
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Showell, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Showell, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Showell, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Showell, MD
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in May
Showell, MD
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Showell, MD
- Average cloud cover in May: 37
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Showell, MD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Showell, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location