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 enjoyable 67.6°F (19.8°C) to a warm 76.6°F (24.8°C). Grand Rivers, during May nights, observes an average temperature of 59°F (15°C).Humidity
The months with the highest humidity are March and May, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 9.8 days. Throughout May, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 94.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
In Grand Rivers, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:42 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:06 pm CDT.
Sunshine
In Grand Rivers, Kentucky, the average sunshine in May is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Grand Rivers, KY
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Grand Rivers, KY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Grand Rivers, KY
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in May
Grand Rivers, KY
- Average humidity in May: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Grand Rivers, KY
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in May
Grand Rivers, KY
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in May
Grand Rivers, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Grand Rivers, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.1 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
Grand Rivers, 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 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in May
Grand Rivers, KY
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in May
Grand Rivers, 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
Grand Rivers, KY
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in May
Grand Rivers, 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).
Grand Rivers, Kentucky, USA
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