May weather forecast
Crystal Spring, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Crystal Spring, Pennsylvania, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 49.1°F (9.5°C).

Temperature

As April transitions into May, Crystal Spring sees a rise in the average high-temperature, moving from a refreshing 59.2°F (15.1°C) to a pleasant 69.4°F (20.8°C). In Crystal Spring, an average temperature of 49.1°F (9.5°C) is noted during May nights.

Humidity

In May, the average relative humidity is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15.3 days and typically aggregates up to 1.81" (46mm) of precipitation.

Snowfall

In Crystal Spring, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:07 pm. On the last day of May, in Crystal Spring, sunrise is at 5:46 am and sunset at 8:35 pm EDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Crystal Spring, in May, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

What is the wettest month in Crystal Spring?

May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in Crystal Spring in May?

In Crystal Spring, in May, it is raining for 15.3 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow?

In Crystal Spring, snow does not fall in May through September.

Does it snow in Crystal Spring in May?

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

How many hours of daylight does Crystal Spring have in May?

In May, the average day length is 14h and 24min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:35 pm EDT.

How long on average sun shines in May?

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

How high is the UV index in May?

The average daily maximum UV index in May in Crystal Spring is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Crystal Spring, PA

Average temperature in May - Crystal Spring, PA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in May: 49.1°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in May
Crystal Spring, PA

Average pressure in May - Crystal Spring, 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).

Average wind speed in May
Crystal Spring, PA

Average wind speed in May - Crystal Spring, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Crystal Spring, PA

Average humidity in May - Crystal Spring, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in May
Crystal Spring, PA

Average rainfall in May - Crystal Spring, PA
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in May
Crystal Spring, PA

Average rainfall days in May - Crystal Spring, 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 days).

Average snowfall in May
Crystal Spring, PA

Average snowfall in May - Crystal Spring, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Crystal Spring, PA

Average snowfall days in May - Crystal Spring, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Crystal Spring, PA

Average daylight in May / Average sunshine in May - Crystal Spring, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in May
Crystal Spring, PA

Average sunshine days in May - Crystal Spring, PA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in May
Crystal Spring, PA

Average UV index in May - Crystal Spring, PA
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
Crystal Spring, PA

Average cloud cover in May - Crystal Spring, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in May
Crystal Spring, PA

Average visibility in May - Crystal Spring, PA
  • Average visibility in May: 5mi

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

Crystal Spring, Pennsylvania, USA

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