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's arrival coincides with a rise in the average high-temperature, moving from April's comfortable 61.5°F (16.4°C) to an agreeable 71.6°F (22°C). In Lewisville, an average temperature of 54.7°F (12.6°C) is noted during May nights.Humidity
May, September and October, with an average relative humidity of 78%, are the most humid months.Rainfall
In Lewisville, in May, it is raining for 19 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, in Lewisville, Pennsylvania, there are 168.9 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Lewisville. May is the last month it regularly snows. During 0.1 snowfall days, in May, Lewisville aggregates 0.12" (3mm) of snow. In Lewisville, during the entire year, snow falls for 18.1 days and aggregates up to 8.86" (225mm) of snow.Daylight
The average length of the day in May in Lewisville is 14h and 23min.On the first day of May, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:25 pm EDT.
Sunshine
In Lewisville, Pennsylvania, the average sunshine in May is 8.7h.UV index
The months with the highest UV index in Lewisville are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are the temperatures in Lewisville in May?
What is the most humid month in Lewisville?
What is the average humidity in May in Lewisville?
How many days does it rain in May in Lewisville?
What is the last month it snows in Lewisville?
What is the average length of the day in May in Lewisville?
When are sunrise and sunset in May in Lewisville?
How many hours of sunshine does Lewisville have in May?
When is the highest UV index in Lewisville?
How high is the UV index in May in Lewisville?
Average temperature in May
Lewisville, PA
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in May
Lewisville, 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
Lewisville, PA
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Lewisville, PA
- Average humidity in May: 78%
The months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Lewisville, PA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in May
Lewisville, PA
- Average rainfall days in May: 19 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Lewisville, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Lewisville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.4 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
Lewisville, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Lewisville, PA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Lewisville, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Lewisville, PA
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Lewisville, PA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lewisville, Pennsylvania, USA
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