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 shows a rise in the average high-temperature, moving from April's enjoyable 64.9°F (18.3°C) to a warm 74.8°F (23.8°C). Throughout the nights in May, Smithfield experiences an average low-temperature of 56.1°F (13.4°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Smithfield, in May, it is raining for 17.2 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 147.9 rainfall days, and 23.98" (609mm) of precipitation is accumulated.Snowfall
In Smithfield, Kentucky, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 16min.On the first day of May, sunrise is at 6:43 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:58 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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 many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Smithfield have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Smithfield have in May?
How high is the UV index in May?
Average temperature in May
Smithfield, KY
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Smithfield, KY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Smithfield, KY
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Smithfield, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in May
Smithfield, KY
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in May
Smithfield, KY
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Smithfield, KY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Smithfield, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Smithfield, KY
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Smithfield, KY
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in May
Smithfield, KY
- Average UV index in May: 5
The months with the highest UV index are 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
Smithfield, KY
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Smithfield, KY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Smithfield, Kentucky, USA
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