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
Lewisville's May weather shows an increase in high-temperatures, moving from April's mild 60.4°F (15.8°C) to a pleasant 71.2°F (21.8°C). May's nights observe an average temperature of 54.7°F (12.6°C).Humidity
In May, the average relative humidity is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.7 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
In Lewisville, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 23min.On the first day of May, sunrise is at 6:40 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 9:03 pm EDT.
Sunshine
In May, the average sunshine in Lewisville, Indiana, is 8.6h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during May leads to these instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Lewisville?
What is the average humidity in May in Lewisville?
What is the rainiest month in Lewisville?
How many days does it rain in May in Lewisville?
When it does not snow in Lewisville?
Does it snow in Lewisville in May?
What is the average length of the day in May in Lewisville?
When are sunrise and sunset in May in Lewisville?
How long on average sun shines in May in Lewisville?
What are the months with the highest UV index in Lewisville?
How high is the UV index in May in Lewisville?
Average temperature in May
Lewisville, IN
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Lewisville, IN
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Lewisville, IN
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Lewisville, IN
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Lewisville, IN
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in May
Lewisville, IN
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Lewisville, IN
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Lewisville, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lewisville, IN
- 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 June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Lewisville, IN
- Average sunshine days in May: 9.1 days
The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in May
Lewisville, IN
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Lewisville, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Lewisville, IN
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lewisville, Indiana, USA
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