May weather forecast
Millersburg, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Millersburg, Pennsylvania, with an average temperature ranging between min 50.2°F (10.1°C) and max 69.8°F (21°C).

Temperature

Noticing a change, the average high-temperature during May moves from April's refreshing 59.5°F (15.3°C) to a pleasant 69.8°F (21°C). An average nighttime temperature of 50.2°F (10.1°C) is witnessed throughout May.

Humidity

The average relative humidity in May in Millersburg is 80%.

Rainfall

In Millersburg, during May, the rain falls for 14.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 132.6 rainfall days, and 14.53" (369mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Millersburg. During 0.1 snowfall days, in May, Millersburg aggregates 0.04" (1mm) of snow. Throughout the year, there are 27.1 snowfall days, and 5.67" (144mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 27min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:31 pm EDT.

Sunshine

The average sunshine in May is 8.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

During May, Millersburg experiences an average high-temperature of 69.8°F (21°C) and a low-temperature of 50.2°F (10.1°C).

What is the average humidity in May?

In May, the average relative humidity in Millersburg is 80%.

How many days does it rain in May in Millersburg?

In Millersburg, in May, during 14.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows in Millersburg. During 0.1 snowfall days, in May, Millersburg aggregates 0.04" (1mm) of snow.

How many hours of daylight does Millersburg have in May?

In May, the average day length is 14h and 27min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:31 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.1h.

What is the UV index reading in May?

In May, the average daily maximum UV index 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Millersburg, PA

Average temperature in May - Millersburg, PA
  • Average high temperature in May: 69.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in May
Millersburg, PA

Average pressure in May - Millersburg, 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 (29.95"Hg).

Average wind speed in May
Millersburg, PA

Average wind speed in May - Millersburg, PA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in May
Millersburg, PA

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

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

Average rainfall in May
Millersburg, PA

Average rainfall in May - Millersburg, PA
  • Average rainfall in May: 1.69"

The wettest month (with the highest rainfall) is July (1.77").
The driest months (with the least rainfall) are February and November (0.87").

Average rainfall days in May
Millersburg, PA

Average rainfall days in May - Millersburg, PA
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in May
Millersburg, PA

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Millersburg, PA

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

The month with the highest number of snowfall days is January (8.6 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
Millersburg, PA

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

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 18min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in May
Millersburg, PA

Average sunshine days in May - Millersburg, PA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20 days).
The months with the least sunshine days are May and July (12.8 days).

Average UV index in May
Millersburg, PA

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

The month with the highest UV index is June (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
Millersburg, PA

Average cloud cover in May - Millersburg, PA
  • Average cloud cover in May: 48

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Millersburg, PA

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

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

Millersburg, Pennsylvania, USA

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