May weather forecast
Rouzerville, PA

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Weather in May

May, the last month of the spring in Rouzerville, is a pleasant month, with an average temperature varying between 71.2°F (21.8°C) and 51.6°F (10.9°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's comfortable 61.3°F (16.3°C) to a pleasant 71.2°F (21.8°C). Throughout May, Rouzerville's nights cool down to an average of 51.6°F (10.9°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall in Rouzerville, Pennsylvania. Rain falls for 18.6 days and accumulates 3.5" (89mm) of precipitation.

Snowfall

May through September are months without snowfall in Rouzerville.

Daylight

In May, the average length of the day is 14h and 23min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of May, in Rouzerville, sunrise is at 5:44 am and sunset at 8:31 pm EDT.

Sunshine

The average sunshine in May in Rouzerville is 8.3h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the average May temperature in Rouzerville?

May temperatures in Rouzerville vary between a high-temperature of 71.2°F (21.8°C) and a low-temperature of 51.6°F (10.9°C).

What is the average humidity in May in Rouzerville?

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

What is the wettest month in Rouzerville?

The month with the most rainfall in Rouzerville, Pennsylvania, is May, when the rain falls for 18.6 days and typically aggregates up to 3.5" (89mm) of precipitation.

How many days does it rain in May in Rouzerville?

In May, in Rouzerville, the rain falls for 18.6 days. Throughout May, 3.5" (89mm) of precipitation is accumulated.

When it does not snow in Rouzerville?

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

Does it snow in Rouzerville in May?

In May, in Rouzerville, 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 Rouzerville?

In Rouzerville, Pennsylvania, the average day length in May is 14h and 23min.

When are sunrise and sunset in May in Rouzerville?

On the first day of May in Rouzerville, Pennsylvania, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:31 pm EDT.

How long on average sun shines in May in Rouzerville?

In Rouzerville, the average sunshine duration in May is 8.3h.

When is the highest UV index in Rouzerville?

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

What is the UV index reading in May in Rouzerville?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Rouzerville, PA

Average temperature in May - Rouzerville, PA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in May
Rouzerville, PA

Average pressure in May - Rouzerville, 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 (29.95"Hg).

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Average wind speed in May
Rouzerville, PA

Average wind speed in May - Rouzerville, PA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in May
Rouzerville, PA

Average humidity in May - Rouzerville, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in May
Rouzerville, PA

Average rainfall in May - Rouzerville, PA
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in May
Rouzerville, PA

Average rainfall days in May - Rouzerville, PA
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in May
Rouzerville, PA

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

The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Rouzerville, PA

Average snowfall days in May - Rouzerville, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Rouzerville, PA
  • 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Rouzerville, PA

Average sunshine days in May - Rouzerville, PA
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in May
Rouzerville, PA

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

The months with the highest UV index are May, June and July (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
Rouzerville, PA

Average cloud cover in May - Rouzerville, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Rouzerville, PA

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

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

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Rouzerville, Pennsylvania, USA

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