May weather forecast
Adamstown, PA

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Weather in May

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

Temperature

In Adamstown, the onset of May comes with an increased average high-temperature, moving from April's mild 59.5°F (15.3°C) to a pleasant 69.6°F (20.9°C). In May, Adamstown reports a consistent average low-temperature of 51.8°F (11°C) during the nights.

Humidity

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

Rainfall

In Adamstown, in May, during 14.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Adamstown, Pennsylvania, during the entire year, the rain falls for 127.9 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

Months with snowfall in Adamstown are January through March, May, November and December. May is the first month it typically snows in Adamstown. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Adamstown, during the entire year, snow falls for 18.5 days and aggregates up to 3.86" (98mm) of snow.

Daylight

The average length of the day in May in Adamstown is 14h and 26min.
On the first day of May in Adamstown, 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.

Sunshine

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

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index in Adamstown, Pennsylvania. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 6 in May leads to these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are May temperatures in Adamstown?

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 in Adamstown?

The months with the highest humidity in Adamstown are February, May and October, with an average relative humidity of 81%.

What is the average humidity in May in Adamstown?

In May, the average relative humidity is 81%.

How many days does it rain in May in Adamstown?

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

When does it start snowing in Adamstown?

May is the first month it typically snows in Adamstown, Pennsylvania. 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 Adamstown?

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

When are sunrise and sunset in May in Adamstown?

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

How many hours of sunshine does Adamstown have in May?

In May, the average sunshine duration is 8.4h.

When is the highest UV index in Adamstown?

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

What is the UV index intensity in May in Adamstown?

In Adamstown, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Adamstown, Pennsylvania, USA

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