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
As April gives way to May, the average high-temperature displays an increase, moving from a comfortable 66.2°F (19°C) to a warm 76.1°F (24.5°C). Nighttime temperatures hover around an average low of 55°F (12.8°C) in May.Humidity
In May, the average relative humidity in Mountain Valley is 77%.Rainfall
In Mountain Valley, during May, the rain falls for 18.7 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Mountain Valley, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.Snowfall
In Mountain Valley, Kentucky, snow does not fall in May through September.Daylight
The average length of the day in May in Mountain Valley, Kentucky, is 14h and 13min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:23 pm. On the last day of May, in Mountain Valley, Kentucky, sunrise is at 6:13 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine in Mountain Valley, Kentucky, is 9.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Mountain Valley. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Mountain Valley?
What is the average humidity in May in Mountain Valley?
How many days does it rain in May in Mountain Valley?
When it does not snow in Mountain Valley?
Does it snow in Mountain Valley in May?
What is the average length of the day in May in Mountain Valley?
When are sunrise and sunset in May in Mountain Valley?
How long on average sun shines in May in Mountain Valley?
What are the months with the highest UV index in Mountain Valley?
How high is the UV index in May in Mountain Valley?
Average temperature in May
Mountain Valley, KY
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Mountain Valley, KY
- Average pressure in May: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Mountain Valley, KY
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Mountain Valley, KY
- Average humidity in May: 77%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in May
Mountain Valley, KY
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Mountain Valley, KY
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in May
Mountain Valley, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Mountain Valley, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.7 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
Mountain Valley, KY
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Mountain Valley, KY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Mountain Valley, KY
- 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 and December (UV index 2).
Average cloud cover in May
Mountain Valley, KY
- Average cloud cover in May: 41
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Mountain Valley, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Mountain Valley, Kentucky, USA
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