May weather forecast
Adamstown, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Adamstown, Pennsylvania, with an average temperature ranging between max 69.6°F (20.9°C) and min 51.8°F (11°C).

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 69.6°F (20.9°C). During the nights in May, the temperature averages to a fresh 51.8°F (11°C).

Humidity

February, May and October, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Adamstown, during May, the rain falls for 14.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Adamstown, during the entire year, the rain falls for 127.9 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

Months with snowfall are January through March, May, November and December. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 18.5 snowfall days, and 3.86" (98mm) of snow is accumulated.

Daylight

In Adamstown, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:27 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

May through July, 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 risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What is the temperature in May?

During May, Adamstown experiences an average high-temperature of 69.6°F (20.9°C) and a low-temperature of 51.8°F (11°C).

What are the most humid months?

February, May and October, with an average relative humidity of 81%, are most humid months.

What is the average humidity in May?

In May, the average relative humidity is 81%.

How many days does it rain in May?

In May, the rain falls for 14.6 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

When does it start snowing in Adamstown?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in May?

In May, the average day length in Adamstown is 14h and 26min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Adamstown have in May?

In Adamstown, the average sunshine duration in May is 8.4h.

When is the highest UV index?

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

How high is the UV index in May?

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

Average temperature in May - Adamstown, PA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May
Adamstown, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Adamstown, PA

Average wind speed in May - Adamstown, PA
  • Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Adamstown, PA

Average humidity in May - Adamstown, PA
  • Average humidity in May: 81%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Adamstown, PA

Average rainfall in May - Adamstown, PA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in May
Adamstown, PA

Average rainfall days in May - Adamstown, PA
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in May
Adamstown, PA

Average snowfall in May - Adamstown, PA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in May
Adamstown, PA

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

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Adamstown, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in May
Adamstown, PA

Average sunshine days in May - Adamstown, PA
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in May
Adamstown, PA

Average UV index in May - Adamstown, 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
Adamstown, PA

Average cloud cover in May - Adamstown, PA
  • Average cloud cover in May: 47

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Adamstown, PA

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

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

Adamstown, Pennsylvania, USA

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