May weather forecast
West Conshohocken, PA

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Weather in May

The last month of the spring, May, is a pleasant month in West Conshohocken, Pennsylvania, with an average temperature varying between 71.4°F (21.9°C) and 53.4°F (11.9°C).

Temperature

As April transitions into May, West Conshohocken sees a rise in the average high-temperature, moving from a refreshing 60.8°F (16°C) to an agreeable 71.4°F (21.9°C). West Conshohocken observes an average low-temperature of 53.4°F (11.9°C) during May.

Humidity

In West Conshohocken, the average relative humidity in May is 76%.

Rainfall

In West Conshohocken, in May, during 16 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in West Conshohocken, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

January through March, May and December are months with snowfall. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 15.8 snowfall days, and 2.13" (54mm) of snow is accumulated.

Daylight

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 7:56 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in May?

In West Conshohocken, in May, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in May?

In West Conshohocken, the average relative humidity in May is 76%.

How many days does it rain in May?

In West Conshohocken, in May, during 16 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When does it start snowing?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does West Conshohocken have in May?

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

When is the sunrise / sunset in May in West Conshohocken?

On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

How many hours of sunshine does West Conshohocken have in May?

In West Conshohocken, the average sunshine duration in May is 8.5h.

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.

What is the UV index intensity in May in West Conshohocken?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
West Conshohocken, PA

Average temperature in May - West Conshohocken, PA
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 53.4°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
West Conshohocken, PA

Average pressure in May - West Conshohocken, 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
West Conshohocken, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
West Conshohocken, PA

Average humidity in May - West Conshohocken, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in May
West Conshohocken, PA

Average rainfall in May - West Conshohocken, PA
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
West Conshohocken, PA

Average rainfall days in May - West Conshohocken, PA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in May
West Conshohocken, PA

Average snowfall in May - West Conshohocken, PA
  • Average snowfall in May: 0.16"

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in May
West Conshohocken, PA

Average snowfall days in May - West Conshohocken, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
West Conshohocken, PA

Average daylight in May / Average sunshine in May - West Conshohocken, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
West Conshohocken, PA

Average sunshine days in May - West Conshohocken, PA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in May
West Conshohocken, PA

Average UV index in May - West Conshohocken, 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
West Conshohocken, PA

Average cloud cover in May - West Conshohocken, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
West Conshohocken, PA

Average visibility in May - West Conshohocken, 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).

West Conshohocken, Pennsylvania, USA

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