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
Entering May, Jarrettsville sees a temperature rise, with the average high-temperature advancing from April's refreshing 61.9°F (16.6°C) to an agreeable 71.4°F (21.9°C). Jarrettsville experiences an average temperature drop to a cool 54.5°F (12.5°C) during May nights.Humidity
With an average relative humidity of 80%, May is the most humid month.Rainfall
In Jarrettsville, during May, the rain falls for 17.1 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Jarrettsville. During 0.2 snowfall days, in May, Jarrettsville aggregates 0.2" (5mm) of snow. Throughout the year, there are 19.9 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
The average length of the day in May in Jarrettsville is 14h and 22min.On the first day of May in Jarrettsville, sunrise is at 6:05 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:27 pm EDT.
Sunshine
In Jarrettsville, the average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Jarrettsville. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the average May temperature in Jarrettsville?
What is the most humid month in Jarrettsville?
What is the average humidity in May in Jarrettsville?
How much does it rain in Jarrettsville in May?
What is the last month it snows in Jarrettsville?
How many hours of daylight does Jarrettsville have in May?
When is the sunrise / sunset in May in Jarrettsville?
How long on average sun shines in May in Jarrettsville?
What are the months with the highest UV index in Jarrettsville?
What is the UV index reading in May in Jarrettsville?
Average temperature in May
Jarrettsville, MD
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Jarrettsville, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Jarrettsville, MD
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Jarrettsville, MD
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Jarrettsville, MD
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in May
Jarrettsville, MD
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Jarrettsville, MD
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Jarrettsville, MD
- Average snowfall days in May: 0.2 days
The months with the highest number of snowfall days are January and February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jarrettsville, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Jarrettsville, MD
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in May
Jarrettsville, 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, November and December (UV index 2).
Average cloud cover in May
Jarrettsville, MD
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Jarrettsville, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Jarrettsville, Maryland, USA
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