May weather forecast
Rochester Mills, PA

Share

Weather in May

May, the last month of the spring in Rochester Mills, is a pleasant month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 68.9°F (20.5°C).

Temperature

May sees a rise in the average high-temperature, climbing from a moderate 56.8°F (13.8°C) in April to an agreeable 68.9°F (20.5°C). An average nighttime temperature of 48.4°F (9.1°C) is noted in Rochester Mills during the month of May.

Humidity

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

Rainfall

In Rochester Mills, in May, during 18 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Rochester Mills, during the entire year, the rain falls for 151.9 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Rochester Mills. During 0.6 snowfall days, in May, Rochester Mills aggregates 0.55" (14mm) of snow. In Rochester Mills, Pennsylvania, during the entire year, snow falls for 71 days and aggregates up to 22.32" (567mm) of snow.

Daylight

In May, the average length of the day is 14h and 29min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:40 pm EDT.

Sunshine

The average sunshine in May in Rochester Mills is 8.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Act with care - The need to guard against sun damage is communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the usual temperature for Rochester Mills in May?

The high-temperature, in May, in Rochester Mills, is 68.9°F (20.5°C), while the low-temperature averages to 48.4°F (9.1°C).

What is the average humidity in May?

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

How many days does it rain in May?

In Rochester Mills, in May, it is raining for 18 days, with typically 2.36" (60mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Rochester Mills aggregates 0.55" (14mm) of snow.

How many hours of daylight does Rochester Mills have in May?

In Rochester Mills, the average day length in May is 14h and 29min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:40 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.1h.

What is the month with the highest UV index?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Rochester Mills, PA

Average temperature in May - Rochester Mills, PA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 48.4°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in May
Rochester Mills, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Rochester Mills, PA

Average wind speed in May - Rochester Mills, PA
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Rochester Mills, PA

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

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in May
Rochester Mills, PA

Average rainfall in May - Rochester Mills, PA
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in May
Rochester Mills, PA

Average rainfall days in May - Rochester Mills, PA
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Rochester Mills, PA

Average snowfall in May - Rochester Mills, PA
  • Average snowfall in May: 0.55"

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Rochester Mills, PA

Average snowfall days in May - Rochester Mills, PA
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Rochester Mills, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in May
Rochester Mills, PA

Average sunshine days in May - Rochester Mills, PA
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in May
Rochester Mills, PA

Average UV index in May - Rochester 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 month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Rochester Mills, PA

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

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in May
Rochester Mills, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Rochester Mills, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location