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
The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 60.8°F (16°C) to a pleasant 70.7°F (21.5°C). An average minimum temperature of 52.3°F (11.3°C) is recorded during the month of May.Humidity
February, May and October, with an average relative humidity of 80%, are the most humid months.Rainfall
In Dover, in May, it is raining for 15.3 days, with typically 1.69" (43mm) of accumulated precipitation. In Dover, Pennsylvania, during the entire year, the rain falls for 133.5 days and collects up to 16.89" (429mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What are the most humid months?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Dover have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Dover, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Dover, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Dover, PA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Dover, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Dover, PA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Dover, PA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Dover, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Dover, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dover, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 3min
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 36min).
Average sunshine days in May
Dover, PA
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are May and July (12.7 days).
Average UV index in May
Dover, PA
- 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
Dover, PA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Dover, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Dover, Pennsylvania, USA
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