May weather forecast
Mills, PA

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Weather in May

The last month of the spring, May, is a comfortable month in Mills, Pennsylvania, with an average temperature ranging between max 66.4°F (19.1°C) and min 45.7°F (7.6°C).

Temperature

Mills's weather shows a temperature rise with the arrival of May, moving from a fresh 53.2°F (11.8°C) in April to an enjoyable 66.4°F (19.1°C). May brings Mills a consistent average low-temperature of 45.7°F (7.6°C).

Humidity

In Mills, the average relative humidity in May is 79%.

Rainfall

In Mills, during May, the rain falls for 18.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 174 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Mills, Pennsylvania. During 0.7 snowfall days, in May, Mills aggregates 0.47" (12mm) of snow. In Mills, during the entire year, snow falls for 86.8 days and aggregates up to 41.54" (1055mm) of snow.

Daylight

In Mills, the average length of the day in May is 14h and 35min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during May translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 66.4°F (19.1°C) and 45.7°F (7.6°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 79%.

How much does it rain in May?

In Mills, in May, during 18.9 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Mills aggregates 0.47" (12mm) of snow.

What is the average length of the day in May?

In Mills, the average day length in May is 14h and 35min.

What time are sunrise and sunset in May in Mills?

On the first day of May, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:39 pm EDT.

How long on average sun shines in May?

In Mills, the average sunshine duration in May is 8.2h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May?

In Mills, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mills, PA

Average temperature in May - Mills, PA
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in May
Mills, PA

Average pressure in May - Mills, PA
  • Average pressure in May: 30"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
Mills, PA

Average wind speed in May - Mills, PA
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in May
Mills, PA

Average humidity in May - Mills, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in May
Mills, PA

Average rainfall in May - Mills, PA
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in May
Mills, PA

Average rainfall days in May - Mills, PA
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in May
Mills, PA

Average snowfall in May - Mills, PA
  • Average snowfall in May: 0.47"

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Mills, PA

Average snowfall days in May - Mills, PA
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Mills, PA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).

Average sunshine days in May
Mills, PA

Average sunshine days in May - Mills, PA
  • Average sunshine days in May: 10 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).

Average UV index in May
Mills, PA

Average UV index in May - Mills, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Mills, PA

Average cloud cover in May - Mills, PA
  • Average cloud cover in May: 50

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).

Average visibility in May
Mills, PA

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

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

Mills, Pennsylvania, USA

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