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 brings an increase in the average high-temperature, progressing from a fresh 52.9°F (11.6°C) in April to a refreshing 66.4°F (19.1°C). During May, the nighttime temperature averages of 45.9°F (7.7°C).Humidity
May through July, with an average relative humidity of 79%, are the least humid months.Rainfall
In May, the rain falls for 19.4 days. Throughout May, 2.64" (67mm) of precipitation is accumulated. In Smethport, during the entire year, the rain falls for 160.5 days and collects up to 29.88" (759mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Smethport aggregates 0.28" (7mm) of snow. In Smethport, during the entire year, snow falls for 79.8 days and aggregates up to 40.12" (1019mm) of snow.Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the least humid month?
What is the average humidity in May in Smethport?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Smethport have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Smethport have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Smethport, PA
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 45.9°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in May
Smethport, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Smethport, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Smethport, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in May
Smethport, PA
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Smethport, PA
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Smethport, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Smethport, PA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Smethport, PA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in May
Smethport, PA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in May
Smethport, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Smethport, PA
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in May
Smethport, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Smethport, Pennsylvania, USA
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