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
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 64.2°F (17.9°C) to a warm 73.9°F (23.3°C). During the month of May, the temperature falls to an average of 54.5°F (12.5°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall in Irwin. Rain falls for 11.5 days and accumulates 0.87" (22mm) of precipitation.Snowfall
In Irwin, snow does not fall in May through September.Daylight
In Irwin, Kentucky, the average length of the day in May is 14h and 18min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:26 pm. On the last day of May, in Irwin, Kentucky, sunrise is at 6:11 am and sunset at 8:52 pm EDT.
Sunshine
In May, the average sunshine in Irwin, Kentucky, is 9.1h.UV index
The average daily maximum UV index in May in Irwin is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Irwin?
What is the average humidity in May in Irwin?
What is the rainiest month in Irwin?
How many days does it rain in May in Irwin?
When it does not snow in Irwin?
Does it snow in Irwin in May?
What is the average length of the day in May in Irwin?
When are sunrise and sunset in May in Irwin?
How many hours of sunshine does Irwin have in May?
How high is the UV index in May in Irwin?
Average temperature in May
Irwin, KY
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Irwin, KY
- Average pressure in May: 29.99"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
Irwin, KY
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Irwin, KY
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in May
Irwin, KY
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in May
Irwin, KY
- Average rainfall days in May: 11.5 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is November (6 days).
Average snowfall in May
Irwin, KY
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Irwin, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.6 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
Irwin, KY
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Irwin, KY
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in May
Irwin, KY
- Average UV index in May: 5
The months with the highest UV index are 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
Irwin, KY
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Irwin, KY
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Irwin, Kentucky, USA
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