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 witnesses an increase in the average high-temperature, moving from a refreshing 60.4°F (15.8°C) in April to an agreeable 71.8°F (22.1°C). Smithfield, during May nights, observes an average temperature of 51.1°F (10.6°C).Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Smithfield. Rain falls for 17 days and accumulates 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Smithfield. During 0.3 snowfall days, in May, Smithfield aggregates 0.2" (5mm) of snow. In Smithfield, Pennsylvania, during the entire year, snow falls for 56 days and aggregates up to 11.54" (293mm) of snow.Daylight
In May, the average length of the day is 14h and 23min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:53 am and sunset at 8:41 pm EDT.
Sunshine
In Smithfield, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Smithfield is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Smithfield?
What is the average humidity in May in Smithfield?
What is the wettest month in Smithfield?
How much does it rain in Smithfield in May?
What is the last month it snows in Smithfield?
What is the average length of the day in May in Smithfield?
What time are sunrise and sunset in May in Smithfield?
How long on average sun shines in May in Smithfield?
What is the UV index intensity in May in Smithfield?
Average temperature in May
Smithfield, PA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
Smithfield, 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
Smithfield, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Smithfield, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in May
Smithfield, PA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in May
Smithfield, PA
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Smithfield, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Smithfield, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Smithfield, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Smithfield, PA
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is January (9.1 days).
Average UV index in May
Smithfield, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Smithfield, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Smithfield, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Smithfield, Pennsylvania, USA
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