May weather forecast
Dover, PA

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Weather in May

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

Temperature

May brings a rise in Dover's average high-temperature, moving from a comfortable 60.8°F (16°C) in April to a pleasant 70.7°F (21.5°C). During the month of May, an average temperature of 52.3°F (11.3°C) is noted during the nights.

Humidity

February, May and October, with an average relative humidity of 80%, are the most humid months in Dover, Pennsylvania.

Rainfall

In Dover, during May, the rain falls for 15.3 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Dover, during the entire year, the rain falls for 133.5 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 14h and 25min.
On the first day of May in Dover, sunrise is at 6:06 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:29 pm EDT.

Sunshine

In Dover, Pennsylvania, the average sunshine in May 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the average May temperature in Dover?

The high-temperature, in May, in Dover, is 70.7°F (21.5°C), while the low-temperature averages to 52.3°F (11.3°C).

What are the most humid months in Dover?

February, May and October, with an average relative humidity of 80%, are most humid months in Dover.

What is the average humidity in May in Dover?

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

How much does it rain in Dover in May?

In May, in Dover, the rain falls for 15.3 days. Throughout May, 1.69" (43mm) of precipitation is 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, 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 Dover, Pennsylvania, the average day length in May is 14h and 25min.

What time are sunrise and sunset in May in Dover?

On the first day of May in Dover, sunrise is at 6:06 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Dover have in May?

The average sunshine duration in May in Dover, Pennsylvania, 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.

What is the UV index intensity in May in Dover?

In May, the average daily maximum UV index in Dover is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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%

The 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").
The 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).
The 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: 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).

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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).
The 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

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).

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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

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).

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Dover, Pennsylvania, USA

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