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
As Saint Johns transitions into May, a marginal rise in the average high-temperature is observed, moving from an enjoyable 67.8°F (19.9°C) in April to a warm 76.6°F (24.8°C). Saint Johns's temperature tends to fall to an average low of 59°F (15°C) during the nights of May.Humidity
March and May, with an average relative humidity of 79%, are the most humid months.Rainfall
May is the month with the most rainfall in Saint Johns. Rain falls for 14.7 days and accumulates 1.93" (49mm) of precipitation.Snowfall
April through October are months without snowfall in Saint Johns, Kentucky.Daylight
In May, the average length of the day is 14h and 10min.On the first day of May, sunrise is at 5:59 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:08 pm CDT.
Sunshine
The average sunshine in May is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Saint Johns. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during May leads to these advisories:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are May temperatures in Saint Johns?
What is the most humid month in Saint Johns?
What is the average humidity in May in Saint Johns?
What is the rainiest month in Saint Johns?
How much does it rain in Saint Johns in May?
When it does not snow in Saint Johns?
What is the average length of the day in May in Saint Johns?
When are sunrise and sunset in May in Saint Johns?
How many hours of sunshine does Saint Johns have in May?
What is the month with the highest UV index in Saint Johns?
What is the UV index intensity in May in Saint Johns?
Average temperature in May
Saint Johns, KY
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Saint Johns, 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
Saint Johns, KY
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Saint Johns, 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 (70%).
Average rainfall in May
Saint Johns, KY
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in May
Saint Johns, KY
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in May
Saint Johns, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint Johns, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Saint Johns, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Saint Johns, KY
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in May
Saint Johns, 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 and December (UV index 2).
Average cloud cover in May
Saint Johns, 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
Saint Johns, 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).
Saint Johns, Kentucky, USA
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