May weather forecastWest Kittanning, PA
May
Weather in May
May, the last month of the spring in West Kittanning, is a pleasant month, with an average temperature varying between 70.9°F (21.6°C) and 49.6°F (9.8°C).Temperature
As May arrives, West Kittanning's weather shows an increase in high-temperatures, moving from April's mild 58.6°F (14.8°C) to a pleasant 70.9°F (21.6°C). West Kittanning's average low-temperature during May nights is observed to be a frosty 49.6°F (9.8°C).Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 3.7" (94mm) of precipitation.Snowfall
Months with snowfall in West Kittanning are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, West Kittanning aggregates 0.2" (5mm) of snow. Throughout the year, there are 64.2 snowfall days, and 24.25" (616mm) of snow is accumulated.Daylight
In May, the average length of the day in West Kittanning is 14h and 29min.On the first day of May, sunrise is at 6:15 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May in West Kittanning is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
West Kittanning, PA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
West Kittanning, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
West Kittanning, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
West Kittanning, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
West Kittanning, PA
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in May
West Kittanning, PA
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in May
West Kittanning, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Kittanning, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Kittanning, PA
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
West Kittanning, PA
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index in May
West Kittanning, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
West Kittanning, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
West Kittanning, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
