May weather forecast
Pennsburg, PA

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Weather in May

May, the last month of the spring in Pennsburg, is an agreeable month, with an average temperature varying between 70.3°F (21.3°C) and 51.6°F (10.9°C).

Temperature

A shift in the average high-temperature is noticeable in May, changing from a moderate 59.9°F (15.5°C) in April to a pleasant 70.3°F (21.3°C). In May, Pennsburg reports a consistent average low-temperature of 51.6°F (10.9°C) during the nights.

Humidity

In Pennsburg, the average relative humidity in May is 78%.

Rainfall

In Pennsburg, during May, the rain falls for 16.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Pennsburg, during the entire year, the rain falls for 155.5 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

Months with snowfall in Pennsburg are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Pennsburg aggregates 0.16" (4mm) of snow. In Pennsburg, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.

Daylight

In May, the average length of the day in Pennsburg is 14h and 26min.
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 5:34 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

What are the temperatures in May?

In Pennsburg, in May, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in May?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In Pennsburg, Pennsylvania, in May, during 16.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Pennsburg aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 26min.

When 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 5:34 am and sunset at 8:25 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.2h.

When is the highest UV index in Pennsburg?

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

What is the UV index reading in May?

In Pennsburg, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Pennsburg, PA

Average temperature in May - Pennsburg, PA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May
Pennsburg, PA

Average pressure in May - Pennsburg, 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
Pennsburg, PA

Average wind speed in May - Pennsburg, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Pennsburg, PA

Average humidity in May - Pennsburg, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in May
Pennsburg, PA

Average rainfall in May - Pennsburg, PA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in May
Pennsburg, PA

Average rainfall days in May - Pennsburg, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in May
Pennsburg, PA

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

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Pennsburg, PA

Average snowfall days in May - Pennsburg, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Pennsburg, 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 18min).

  • 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
Pennsburg, PA

Average sunshine days in May - Pennsburg, PA
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

Average UV index in May
Pennsburg, PA

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

Average cloud cover in May
Pennsburg, PA

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

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

Average visibility in May
Pennsburg, PA

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

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

Pennsburg, Pennsylvania, USA

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