Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift into May brings an increase in the average high-temperature, moving from a moderate 56.8°F (13.8°C) in April to an enjoyable 67.8°F (19.9°C). Cassandra usually reports an average low-temperature of 48.7°F (9.3°C) during the month of May.Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 19.5 days and accumulates 3.23" (82mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Cassandra aggregates 0.16" (4mm) of snow. In Cassandra, Pennsylvania, during the entire year, snow falls for 51.3 days and aggregates up to 23.54" (598mm) of snow.Daylight
The average length of the day in May in Cassandra, Pennsylvania, is 14h and 26min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:10 pm. On the last day of May, in Cassandra, Pennsylvania, sunrise is at 5:46 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Cassandra. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average May temperature in Cassandra?
What is the average humidity in May in Cassandra?
What is the rainiest month in Cassandra?
How many days does it rain in May in Cassandra?
What is the last month it snows in Cassandra?
How many hours of daylight does Cassandra have in May?
When are sunrise and sunset in May in Cassandra?
How many hours of sunshine does Cassandra have in May?
What are the months with the highest UV index in Cassandra?
How high is the UV index in May in Cassandra?
Average temperature in May
Cassandra, PA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°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 (18.9°F).
Average pressure in May
Cassandra, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Cassandra, PA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Cassandra, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Cassandra, PA
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in May
Cassandra, PA
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (8.8 days).
Average snowfall in May
Cassandra, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Cassandra, PA
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cassandra, 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 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Cassandra, PA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Cassandra, 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
Cassandra, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Cassandra, 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).
Cassandra, Pennsylvania, USA
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