May weather forecastLewisburg, PA
May
Weather in May
As spring transitions into summer, May sees more hours of sunshine in Lewisburg Pennsylvania. Temperatures increase quite significantly from those in April. Nevertheless, the plentiful sunshine and the spectacular display of blooming flowers make May an enchanting month. With weather that is neither too hot nor too cold, it's a great time for outdoor activities.Temperature
The start of May brings a rise in the average high-temperature, moving from a moderate 57.9°F (14.4°C) in April to a pleasant 69.4°F (20.8°C). Lewisburg's May nights cool down to an average low-temperature of 49.1°F (9.5°C).Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 16.7 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Lewisburg, snow does not fall in May through October.Daylight
In Lewisburg, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Lewisburg, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lewisburg, PA
- Average high temperature in May: 69.4°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 (32°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Lewisburg, 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 (29.94"Hg).
Average wind speed in May
Lewisburg, PA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Lewisburg, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Lewisburg, PA
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are November and December (1.18").
Average rainfall days in May
Lewisburg, PA
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in May
Lewisburg, PA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Lewisburg, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lewisburg, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Lewisburg, PA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in May
Lewisburg, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Lewisburg, PA
- Average cloud cover in May: 48
The months with the most cloud cover are February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Lewisburg, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).





