May weather forecastLewisville, OK
May
Weather in May
May, the last month of the spring in Lewisville, is a moderately hot month, with an average temperature ranging between min 59.5°F (15.3°C) and max 78.4°F (25.8°C).Temperature
May brings a slight increase in the average high-temperature, progressing from an agreeable 70.7°F (21.5°C) in April to a moderately hot 78.4°F (25.8°C). In the month of May, an average of 59.5°F (15.3°C) marks the low-temperature.Humidity
May is the most humid month, with an average relative humidity of 78%.Rainfall
May is the month with the most rainfall. Rain falls for 9.8 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Lewisville, snow does not fall in April through October.Daylight
In Lewisville, the average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 6:29 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:29 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lewisville, OK
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in May
Lewisville, OK
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Lewisville, OK
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Lewisville, OK
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Lewisville, OK
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in May
Lewisville, OK
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Lewisville, OK
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Lewisville, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lewisville, OK
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Lewisville, OK
- Average sunshine days in May: 18.8 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (16.6 days).
Average UV index in May
Lewisville, OK
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Lewisville, OK
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Lewisville, OK
- 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).
