May weather forecastDunbar, KY
May
Weather in May
May, the last month of the spring in Dunbar, is a warm month, with an average temperature ranging between max 75.9°F (24.4°C) and min 58.1°F (14.5°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's enjoyable 67.5°F (19.7°C) to a warm 75.9°F (24.4°C). In the month of May, the average temperature in Dunbar dips to a refreshing 58.1°F (14.5°C) during the night.Humidity
February, March, May and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Dunbar, during May, the rain falls for 17.3 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Dunbar, during the entire year, the rain falls for 162.2 days and collects up to 29.88" (759mm) of precipitation.Snowfall
May through September are months without snowfall in Dunbar.Daylight
The average length of the day in May is 14h and 11min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:01 pm CDT.
Sunshine
The average sunshine in May is 9.4h.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 health risk from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dunbar, KY
- Average high temperature in May: 75.9°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in May
Dunbar, KY
- Average pressure in May: 29.99"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
Dunbar, KY
- Average wind speed in May: 6.7mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in May
Dunbar, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Dunbar, KY
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Dunbar, KY
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in May
Dunbar, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Dunbar, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.5 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
Dunbar, KY
- Average daylight in May: 14h and 12min
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 42min).
- Average sunshine in May: 9h and 24min
The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Dunbar, KY
- Average sunshine days in May: 11.3 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Dunbar, 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
Dunbar, KY
- Average cloud cover in May: 38
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Dunbar, KY
- 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).





