May weather forecast
Dover, PA

Weather in May

The last month of the spring, May, is an agreeable month in Dover, Pennsylvania, with average temperature ranging between max 70.7°F (21.5°C) and min 52.3°F (11.3°C).

Temperature

In Dover, Pennsylvania, the average high-temperature rises, from an enjoyable 60.8°F (16°C) in April, to a pleasant 70.7°F (21.5°C). The average low-temperature, in May, is 52.3°F (11.3°C).

Humidity

Months with the highest humidity are February, May and October, with an average relative humidity of 80%.

Rainfall

In May, in Dover, the rain falls for 15.3 days. Throughout May, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Dover, there are 133.5 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in Dover, Pennsylvania, is 14.4h.

Sunshine

In Dover, the average sunshine in May is 8.5h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Dover?

Months with the highest humidity in Dover are February, May and October, with an average relative humidity of 80%.

What is the average humidity in May in Dover?

The average relative humidity in May in Dover, Pennsylvania, is 80%.

How many days does it rain in May in Dover?

In Dover, in May, during 15.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Dover?

In Dover, Pennsylvania, snow does not fall in May through September.

Does it snow in Dover in May?

In May, in Dover, Pennsylvania, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Dover?

In May, the average length of the day is 14.4h.

How long on average sun shines in May in Dover?

The average sunshine in May in Dover is 8.5h.

What is the month with the highest UV index in Dover?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dover.

What is the UV index intensity in May in Dover?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Dover, PA

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).

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Average pressure in May
Dover, PA

Average pressure in May - Dover, PA
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in May
Dover, PA

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).

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Average humidity in May
Dover, PA

Average humidity in May - Dover, PA
  • Average humidity in May: 80%

Months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Dover, PA

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").

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Average rainfall days in May
Dover, PA

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).

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Average snowfall in May
Dover, PA

Average snowfall in May - Dover, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.09").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Dover, PA

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).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Dover, PA

Average daylight in May / Average sunshine in May - Dover, PA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 8.5h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in May
Dover, PA

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).
Months with the least sunshine days are May and July (12.7 days).

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Average UV index in May
Dover, PA

Average UV index in May - Dover, PA
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Dover, PA

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).

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Average visibility in May
Dover, PA

Average visibility in May - Dover, PA
  • Average visibility in May: 5mi

Months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
Months with the lowest visibility are May and September (5mi).

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