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 arrival of May brings a change in Upper Lehigh's weather, with average high-temperatures moving from April's fresh 55°F (12.8°C) to an enjoyable 66.7°F (19.3°C). In May, the average low-temperature is a chilly 48.4°F (9.1°C).Humidity
In Upper Lehigh, the average relative humidity in May is 81%.Rainfall
May is the month with the most rainfall in Upper Lehigh, Pennsylvania. Rain falls for 19.4 days and accumulates 3.5" (89mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Upper Lehigh. During 0.3 snowfall days, in May, Upper Lehigh aggregates 0.87" (22mm) of snow. In Upper Lehigh, Pennsylvania, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) of snow.Daylight
The average length of the day in May in Upper Lehigh is 14h and 30min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:00 pm. On the last day of May, in Upper Lehigh, sunrise is at 5:33 am and sunset at 8:29 pm EDT.
Sunshine
The average sunshine in May is 7.6h.UV index
The months with the highest UV index in Upper Lehigh are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the usual temperature for Upper Lehigh in May?
What is the average humidity in May in Upper Lehigh?
What is the rainiest month in Upper Lehigh?
How many days does it rain in May in Upper Lehigh?
What is the last month it snows in Upper Lehigh?
How many hours of daylight does Upper Lehigh have in May?
When are sunrise and sunset in May in Upper Lehigh?
How many hours of sunshine does Upper Lehigh have in May?
When is the highest UV index in Upper Lehigh?
How high is the UV index in May in Upper Lehigh?
Average temperature in May
Upper Lehigh, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Upper Lehigh, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Upper Lehigh, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Upper Lehigh, PA
- Average humidity in May: 81%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in May
Upper Lehigh, PA
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Upper Lehigh, 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 days).
Average snowfall in May
Upper Lehigh, PA
- Average snowfall in May: 0.87"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Upper Lehigh, PA
- Average snowfall days in May: 0.3 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
Upper Lehigh, PA
- Average daylight in May: 14h and 3min
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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Upper Lehigh, PA
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in May
Upper Lehigh, 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
Upper Lehigh, PA
- Average cloud cover in May: 53
The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
Upper Lehigh, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Upper Lehigh, Pennsylvania, USA
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