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
May marks a rise in the average high-temperature, moving from April's mild 60.6°F (15.9°C) to an agreeable 70.9°F (21.6°C). Morrisville's average low-temperature is measured at a cool 53.6°F (12°C) during May.Humidity
The average relative humidity in May is 77%.Rainfall
In Morrisville, in May, it is raining for 17.2 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, in Morrisville, there are 156.8 rainfall days, and 31.81" (808mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Morrisville. May is the last month it regularly snows in Morrisville. During 0.1 snowfall days, in May, Morrisville aggregates 0.28" (7mm) of snow. Throughout the year, there are 16.6 snowfall days, and 8.86" (225mm) of snow is accumulated.Daylight
The average length of the day in May in Morrisville is 14h and 25min.On the first day of May in Morrisville, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:22 pm EDT.
Sunshine
In Morrisville, the average sunshine in May is 8.7h.UV index
The months with the highest UV index in Morrisville are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are May temperatures in Morrisville?
What is the average humidity in May in Morrisville?
How many days does it rain in May in Morrisville?
What is the last month it snows in Morrisville?
How many hours of daylight does Morrisville have in May?
When are sunrise and sunset in May in Morrisville?
How many hours of sunshine does Morrisville have in May?
When is the highest UV index in Morrisville?
What is the UV index intensity in May in Morrisville?
Average temperature in May
Morrisville, PA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Morrisville, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Morrisville, PA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Morrisville, PA
- Average humidity in May: 77%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Morrisville, PA
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Morrisville, PA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Morrisville, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Morrisville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Morrisville, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Morrisville, PA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Morrisville, 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
Morrisville, PA
- Average cloud cover in May: 46
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Morrisville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Morrisville, Pennsylvania, USA
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