May weather forecast
Mifflinville, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Mifflinville, Pennsylvania, with an average temperature varying between 68.4°F (20.2°C) and 48.7°F (9.3°C).

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's refreshing 56.5°F (13.6°C) to a pleasant 68.4°F (20.2°C). An average nighttime temperature of 48.7°F (9.3°C) is recorded during May.

Humidity

The average relative humidity in May is 80%.

Rainfall

The wettest months are April and May, with an average 2.99" (76mm) of rainfall.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Mifflinville aggregates 0.28" (7mm) of snow. In Mifflinville, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.

Daylight

In Mifflinville, the average length of the day in May is 14h and 30min.
On the first day of May, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Mifflinville, is 68.4°F (20.2°C) and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May?

In May, the average relative humidity is 80%.

What is the rainiest month?

The months with the most rainfall in Mifflinville are April and May, with an average 2.99" (76mm) of precipitation.

How many days does it rain in May?

In Mifflinville, during May, the rain falls for 17.8 days and regularly aggregates up to 2.99" (76mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Mifflinville aggregates 0.28" (7mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 30min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:30 pm EDT.

How long on average sun shines in May?

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

What are the months 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 intensity in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Mifflinville, PA

Average temperature in May - Mifflinville, PA
  • Average high temperature in May: 68.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in May
Mifflinville, PA

Average pressure in May - Mifflinville, 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
Mifflinville, PA

Average wind speed in May - Mifflinville, PA
  • Average wind speed in May: 6.4mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Mifflinville, PA

Average humidity in May - Mifflinville, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in May
Mifflinville, PA

Average rainfall in May - Mifflinville, PA
  • Average rainfall in May: 2.99"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in May
Mifflinville, PA

Average rainfall days in May - Mifflinville, PA
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in May
Mifflinville, PA

Average snowfall in May - Mifflinville, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Mifflinville, PA

Average snowfall days in May - Mifflinville, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Mifflinville, 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 month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in May
Mifflinville, PA

Average sunshine days in May - Mifflinville, PA
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in May
Mifflinville, PA

Average UV index in May - Mifflinville, 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
Mifflinville, PA

Average cloud cover in May - Mifflinville, PA
  • Average cloud cover in May: 49

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in May
Mifflinville, PA

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

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

Mifflinville, Pennsylvania, USA

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