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
Grigsby sees an increase in average high-temperatures during May, moving from a comfortable 65.8°F (18.8°C) in April to a moderately hot 75°F (23.9°C). Grigsby's nighttime temperature during May is consistently averaged at a cool 53.8°F (12.1°C).Humidity
In Grigsby, the average relative humidity in May is 78%.Rainfall
In May, the rain falls for 18.6 days. Throughout May, 2.44" (62mm) of precipitation is accumulated. In Grigsby, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.Snowfall
In Grigsby, Kentucky, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 11min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:22 pm. On the last day of May, in Grigsby, sunrise is at 6:13 am and sunset at 8:47 pm EDT.
Sunshine
In Grigsby, the average sunshine in May is 9.3h.UV index
The months with the highest UV index are May, June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Grigsby?
What is the average humidity in May in Grigsby?
How much does it rain in Grigsby in May?
When it does not snow in Grigsby?
Does it snow in Grigsby in May?
What is the average length of the day in May in Grigsby?
When are sunrise and sunset in May in Grigsby?
How long on average sun shines in May in Grigsby?
When is the highest UV index in Grigsby?
What is the UV index intensity in May in Grigsby?
Average temperature in May
Grigsby, 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 (40.6°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Grigsby, KY
- Average pressure in May: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Grigsby, KY
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Grigsby, KY
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Grigsby, KY
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Grigsby, 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 (10.5 days).
Average snowfall in May
Grigsby, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grigsby, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.3 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
Grigsby, 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 2min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Grigsby, KY
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Grigsby, KY
- Average UV index in May: 6
The months with the highest UV index are May, June 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
Grigsby, KY
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Grigsby, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Grigsby, Kentucky, USA
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