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
With the transition into May, Lock Haven experiences an increase in average high-temperatures, moving up from a refreshing 56.7°F (13.7°C) in April to a pleasant 68.9°F (20.5°C). Lock Haven throughout May, records an average low-temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Lock Haven, in May, it is raining for 18.7 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 174.7 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lock Haven aggregates 0.16" (4mm) of snow. In Lock Haven, during the entire year, snow falls for 56.1 days and aggregates up to 24.84" (631mm) of snow.Daylight
The average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:07 pm. On the last day of May, in Lock Haven, sunrise is at 5:39 am and sunset at 8:35 pm EDT.
Sunshine
In Lock Haven, Pennsylvania, the average sunshine in May is 8.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Lock Haven have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Lock Haven, PA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Lock Haven, PA
- Average pressure in May: 30.01"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
Lock Haven, PA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Lock Haven, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in May
Lock Haven, PA
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in May
Lock Haven, PA
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Lock Haven, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lock Haven, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lock Haven, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Lock Haven, PA
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Lock Haven, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Lock Haven, PA
- Average cloud cover in May: 51
The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Lock Haven, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).
Lock Haven, Pennsylvania, USA
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