May weather forecast
Derrick City, PA

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Weather in May

May, the last month of the spring in Derrick City, is an enjoyable month, with an average temperature varying between 66°F (18.9°C) and 45.1°F (7.3°C).

Temperature

Derrick City, Pennsylvania, in May sees a temperature change, with average high-temperatures moving from a cool 52.5°F (11.4°C) in April to an enjoyable 66°F (18.9°C). In the month of May, the nighttime temperature dips to a steady average of 45.1°F (7.3°C).

Humidity

May through July, with an average relative humidity of 79%, are the least humid months.

Rainfall

In Derrick City, in May, it is raining for 18.7 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 168.9 rainfall days, and 30" (762mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Derrick City. During 1 snowfall days, in May, Derrick City aggregates 0.28" (7mm) of snow. In Derrick City, during the entire year, snow falls for 92.6 days and aggregates up to 43.58" (1107mm) of snow.

Daylight

In Derrick City, the average length of the day in May is 14h and 35min.
On the first day of May in Derrick City, Pennsylvania, sunrise is at 6:09 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:42 pm EDT.

Sunshine

The average sunshine in May in Derrick City is 8.1h.

UV index

The months with the highest UV index in Derrick City are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in May in Derrick City?

May temperatures vary between a high-temperature of 66°F (18.9°C) and a low-temperature of 45.1°F (7.3°C).

What is the least humid month in Derrick City?

The months with the lowest humidity in Derrick City, Pennsylvania, are May through July, with an average relative humidity of 79%.

What is the average humidity in May in Derrick City?

In Derrick City, the average relative humidity in May is 79%.

How much does it rain in Derrick City in May?

In Derrick City, Pennsylvania, in May, it is raining for 18.7 days, with typically 2.68" (68mm) of accumulated precipitation.

What is the last month it snows in Derrick City?

May is the last month it regularly snows in Derrick City. During 1 snowfall days, in May, Derrick City aggregates 0.28" (7mm) of snow.

What is the average length of the day in May in Derrick City?

The average day length in May in Derrick City, Pennsylvania, is 14h and 35min.

When are sunrise and sunset in May in Derrick City?

On the first day of May in Derrick City, Pennsylvania, sunrise is at 6:09 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Derrick City have in May?

In May, the average sunshine duration in Derrick City is 8.1h.

What is the month with the highest UV index in Derrick City?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May in Derrick City?

In May, the average daily maximum UV index in Derrick City, Pennsylvania, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Derrick City, PA

Average temperature in May - Derrick City, PA
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
Derrick City, PA

Average pressure in May - Derrick City, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Derrick City, PA

Average wind speed in May - Derrick City, PA
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in May
Derrick City, PA

Average humidity in May - Derrick City, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).

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Average rainfall in May
Derrick City, PA

Average rainfall in May - Derrick City, PA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in May
Derrick City, PA

Average rainfall days in May - Derrick City, PA
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in May
Derrick City, PA

Average snowfall in May - Derrick City, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Derrick City, PA

Average snowfall days in May - Derrick City, PA
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is January (20.2 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
Derrick City, PA

Average daylight in May / Average sunshine in May - Derrick City, PA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in May
Derrick City, PA

Average sunshine days in May - Derrick City, PA
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is February (5.9 days).

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Average UV index in May
Derrick City, PA

Average UV index in May - Derrick City, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in May
Derrick City, PA

Average cloud cover in May - Derrick City, PA
  • Average cloud cover in May: 50

The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 43).

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Average visibility in May
Derrick City, PA

Average visibility in May - Derrick City, PA
  • Average visibility in May: 5mi

The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).

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Derrick City, Pennsylvania, USA

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