May weather forecast
Sunbury, PA

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Weather in May

May, the last month of the spring in Sunbury, is a pleasant month, with an average temperature ranging between min 49.3°F (9.6°C) and max 69.4°F (20.8°C).

Temperature

As April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 58.1°F (14.5°C) to a pleasant 69.4°F (20.8°C). Throughout May, the average low-temperature in Sunbury dips to a frosty 49.3°F (9.6°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Sunbury, during May, the rain falls for 14.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Sunbury, during the entire year, the rain falls for 133.4 days and collects up to 13.15" (334mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Sunbury, Pennsylvania. During 0.2 snowfall days, in May, Sunbury aggregates 0.04" (1mm) of snow. Throughout the year, there are 32.1 snowfall days, and 4.76" (121mm) of snow is accumulated.

Daylight

In May, the average length of the day in Sunbury is 14h and 29min.
On the first day of May in Sunbury, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:32 pm EDT.

Sunshine

The average sunshine in May in Sunbury, Pennsylvania, is 8.4h.

UV index

The average daily maximum UV index in May in Sunbury, Pennsylvania, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average May temperature in Sunbury?

The average high-temperature and low-temperature in Sunbury, Pennsylvania, during May are 69.4°F (20.8°C) and 49.3°F (9.6°C) respectively.

What is the average humidity in May in Sunbury?

The average relative humidity in May is 80%.

How many days does it rain in May in Sunbury?

In Sunbury, in May, during 14.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the last month it snows in Sunbury?

May is the last month it regularly snows in Sunbury. During 0.2 snowfall days, in May, Sunbury aggregates 0.04" (1mm) of snow.

How many hours of daylight does Sunbury have in May?

The average day length in May is 14h and 29min.

When is the sunrise / sunset in May in Sunbury?

On the first day of May in Sunbury, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:32 pm EDT.

How many hours of sunshine does Sunbury have in May?

In May, the average sunshine duration is 8.4h.

How high is the UV index in May in Sunbury?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Sunbury, PA

Average temperature in May - Sunbury, PA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in May
Sunbury, PA

Average pressure in May - Sunbury, 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
Sunbury, PA

Average wind speed in May - Sunbury, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in May
Sunbury, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).

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Average rainfall in May
Sunbury, PA

Average rainfall in May - Sunbury, PA
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in May
Sunbury, PA

Average rainfall days in May - Sunbury, PA
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in May
Sunbury, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Sunbury, PA

Average snowfall days in May - Sunbury, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Sunbury, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Sunbury, PA

Average sunshine days in May - Sunbury, PA
  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in May
Sunbury, PA

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

The month with the highest UV index is 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
Sunbury, PA

Average cloud cover in May - Sunbury, PA
  • Average cloud cover in May: 47

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 32).

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Average visibility in May
Sunbury, PA

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

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

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Sunbury, Pennsylvania, USA

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