May weather forecastUpper Spencer, KY
May
Weather in May
May, the last month of the spring in Upper Spencer, is a moderately hot month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 75°F (23.9°C).Temperature
May's arrival coincides with a temperature rise, moving from April's refreshing 65.5°F (18.6°C) to a moderately hot 75°F (23.9°C). During May, the average low-temperature is a refreshing 55.4°F (13°C).Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.74" (95mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 15min.On the first day of May, sunrise is at 6:38 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:52 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during May leads to these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Upper Spencer, KY
- Average high temperature in May: 75°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 (39°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in May
Upper Spencer, KY
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Upper Spencer, KY
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Upper Spencer, KY
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Upper Spencer, KY
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Upper Spencer, KY
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in May
Upper Spencer, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Upper Spencer, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.2 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
Upper Spencer, KY
- Average daylight in May: 14h and 12min
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 36min).
- Average sunshine in May: 8h and 54min
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 54min).
Average sunshine days in May
Upper Spencer, KY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in May
Upper Spencer, 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, November and December (UV index 2).
Average cloud cover in May
Upper Spencer, KY
- Average cloud cover in May: 43
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Upper Spencer, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





