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 refreshing 66°F (18.9°C) to a moderately hot 75°F (23.9°C). Lancaster records an average low-temperature of 56.1°F (13.4°C) throughout the month of May.Humidity
In May, the average relative humidity is 79%.Rainfall
In May, the rain falls for 18.8 days. Throughout May, 3.54" (90mm) of precipitation is accumulated. In Lancaster, during the entire year, the rain falls for 178.2 days and collects up to 38.66" (982mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 13min.On the first day of May, sunrise is at 6:41 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:53 pm EDT.
Sunshine
In Lancaster, the average sunshine in May is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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 much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lancaster have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Lancaster, KY
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Lancaster, KY
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Lancaster, KY
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Lancaster, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (76%).
Average rainfall in May
Lancaster, KY
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in May
Lancaster, KY
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in May
Lancaster, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Lancaster, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.9 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
Lancaster, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Lancaster, KY
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in May
Lancaster, 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
Lancaster, KY
- Average cloud cover in May: 42
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
Lancaster, KY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
Lancaster, Kentucky, USA
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