May weather forecastBoston, KY
May
Weather in May
The last month of the spring, May, is a warm month in Boston, Kentucky, with an average temperature varying between 57.4°F (14.1°C) and 75.4°F (24.1°C).Temperature
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a comfortable 66.6°F (19.2°C) in April to a warm 75.4°F (24.1°C). In Boston, May is marked by an average low-temperature of 57.4°F (14.1°C).Humidity
In Boston, the average relative humidity in May is 79%.Rainfall
In Boston, in May, it is raining for 18.2 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 160.2 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
In Boston, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 14min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:33 pm. On the last day of May, sunrise is at 6:22 am and sunset at 8:58 pm EDT.
Sunshine
In May, the average sunshine is 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 health risk from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Boston, KY
- Average high temperature in May: 75.4°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 (39.7°F).
- Average low temperature in May: 57.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Boston, KY
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Boston, KY
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Boston, 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 (74%).
Average rainfall in May
Boston, KY
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Boston, KY
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in May
Boston, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Boston, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (6.7 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
Boston, 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 36min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in May
Boston, KY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in May
Boston, 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
Boston, KY
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Boston, KY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
