May weather forecast
Malvern, PA

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Weather in May

May, the last month of the spring in Malvern, is an agreeable month, with an average temperature fluctuating between 53.6°F (12°C) and 71.1°F (21.7°C).

Temperature

An increase in the average high-temperature marks May, moving from April's refreshing 60.6°F (15.9°C) to an agreeable 71.1°F (21.7°C). During May, the temperature is averaged to a low of 53.6°F (12°C) at night.

Humidity

The average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 13.7 days. Throughout May, 1.38" (35mm) of precipitation is accumulated. In Malvern, during the entire year, the rain falls for 124.6 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

Months with snowfall in Malvern are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Malvern aggregates 0.16" (4mm) of snow. In Malvern, during the entire year, snow falls for 18.5 days and aggregates up to 5.51" (140mm) of snow.

Daylight

In Malvern, the average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

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 health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are the temperatures in May?

Malvern in May has an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 53.6°F (12°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in May?

In May, the rain falls for 13.7 days. Throughout May, 1.38" (35mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Malvern aggregates 0.16" (4mm) of snow.

How many hours of daylight does Malvern have in May?

In May, the average day length is 14h and 25min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Malvern have in May?

In May, the average sunshine duration is 8.2h.

When is the highest UV index?

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

How high is the UV index in May?

The average daily maximum UV index in May in Malvern is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Malvern, PA

Average temperature in May - Malvern, PA
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Malvern, PA

Average pressure in May - Malvern, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Malvern, PA

Average wind speed in May - Malvern, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Malvern, PA

Average humidity in May - Malvern, PA
  • Average humidity in May: 77%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

Average rainfall in May
Malvern, PA

Average rainfall in May - Malvern, PA
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in May
Malvern, PA

Average rainfall days in May - Malvern, PA
  • Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

Average snowfall in May
Malvern, PA

Average snowfall in May - Malvern, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Malvern, PA

Average snowfall days in May - Malvern, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Malvern, 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 1min

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).

Average sunshine days in May
Malvern, PA

Average sunshine days in May - Malvern, PA
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in May
Malvern, PA

Average UV index in May - Malvern, 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, March, November and December (UV index 2).

Average cloud cover in May
Malvern, PA

Average cloud cover in May - Malvern, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Malvern, PA

Average visibility in May - Malvern, 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).

Malvern, Pennsylvania, USA

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