May weather forecastGalestown, MD
May
Weather in May
May, the last month of the spring in Galestown, is a pleasant month, with an average temperature ranging between max 71.6°F (22°C) and min 56.8°F (13.8°C).Temperature
With the onset of May, Galestown's weather sees a temperature rise, transitioning from a comfortable 62.6°F (17°C) in April to a pleasant 71.6°F (22°C). May is noted for a mean low-temperature of 56.8°F (13.8°C).Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 9.9 days. Throughout May, 0.59" (15mm) of precipitation is accumulated. In Galestown, during the entire year, the rain falls for 95.8 days and collects up to 8.03" (204mm) of precipitation.Snowfall
In Galestown, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 17min.On the first day of May, sunrise is at 6:04 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Galestown, MD
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in May
Galestown, 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
Galestown, MD
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Galestown, MD
- Average humidity in May: 80%
The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).
Average rainfall in May
Galestown, MD
- Average rainfall in May: 0.59"
The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in May
Galestown, MD
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in May
Galestown, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Galestown, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Galestown, MD
- Average daylight in May: 14h and 18min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in May
Galestown, MD
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in May
Galestown, 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 and December (UV index 2).
Average cloud cover in May
Galestown, MD
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Galestown, 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).





