May weather forecast
Siousca, PA

Share

Weather in May

The last month of the spring, May, is an agreeable month in Siousca, Pennsylvania, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 70.3°F (21.3°C).

Temperature

As Siousca transitions into May, the average high-temperature is observed to rise from a moderate 60.3°F (15.7°C) in April to a pleasant 70.3°F (21.3°C). Throughout the May nights, Siousca encounters a low-temperature of 52.7°F (11.5°C).

Humidity

The months with the highest humidity are May and October, with an average relative humidity of 81%.

Rainfall

In Siousca, during May, the rain falls for 15.9 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 138.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Siousca aggregates 0.12" (3mm) of snow. Throughout the year, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of May, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:25 pm EDT.

Sunshine

In Siousca, the average sunshine in May is 8.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 6 in May transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What is the usual temperature for Siousca in May?

In Siousca, in May, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 52.7°F (11.5°C).

What is the most humid month?

May and October, with an average relative humidity of 81%, are most humid months.

What is the average humidity in May?

The average relative humidity in May is 81%.

How many days does it rain in May?

In Siousca, in May, during 15.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Siousca aggregates 0.12" (3mm) of snow.

How many hours of daylight does Siousca have in May?

In Siousca, the average day length in May is 14h and 25min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Siousca have in May?

The average sunshine duration in May is 8.1h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in May?

In Siousca, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high 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
Siousca, PA

Average temperature in May - Siousca, PA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in May
Siousca, PA

Average pressure in May - Siousca, 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
Siousca, PA

Average wind speed in May - Siousca, PA
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
Siousca, PA

Average humidity in May - Siousca, PA
  • Average humidity in May: 81%

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

Average rainfall in May
Siousca, PA

Average rainfall in May - Siousca, PA
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in May
Siousca, PA

Average rainfall days in May - Siousca, PA
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in May
Siousca, PA

Average snowfall in May - Siousca, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Siousca, PA

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

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Siousca, PA
  • Average daylight in May: 14h and 2min

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 24min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Siousca, PA

Average sunshine days in May - Siousca, PA
  • Average sunshine days in May: 13 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in May
Siousca, PA

Average UV index in May - Siousca, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (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
Siousca, PA

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Siousca, PA

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

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

Siousca, Pennsylvania, USA

Weather forecast for your location

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