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 indicates a change in the average high-temperature, moving up from a refreshing 66.7°F (19.3°C) in April to a warm 75.7°F (24.3°C). Heflin encounters a steady low-temperature average of 57.9°F (14.4°C) throughout the month of May.Humidity
May is the most humid month, with an average relative humidity of 80%.Rainfall
In Heflin, in May, it is raining for 16.3 days, with typically 2.52" (64mm) of accumulated precipitation. In Heflin, during the entire year, the rain falls for 151.8 days and collects up to 25.12" (638mm) of precipitation.Snowfall
In Heflin, snow does not fall in May through September.Daylight
The average length of the day in May in Heflin is 14h and 12min.On the first day of May, sunrise is at 5:51 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:03 pm CDT.
Sunshine
In May, the average sunshine in Heflin is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heflin in May?
What is the most humid month in Heflin?
What is the average humidity in May in Heflin?
How much does it rain in Heflin in May?
When it does not snow in Heflin?
Does it snow in Heflin in May?
How many hours of daylight does Heflin have in May?
When are sunrise and sunset in May in Heflin?
How long on average sun shines in May in Heflin?
When is the highest UV index in Heflin?
What is the UV index intensity in May in Heflin?
Average temperature in May
Heflin, KY
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Heflin, KY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Heflin, KY
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in May
Heflin, KY
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Heflin, KY
- Average rainfall in May: 2.52"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in May
Heflin, KY
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Heflin, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Heflin, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.5 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
Heflin, 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 1min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Heflin, KY
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in May
Heflin, 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
Heflin, KY
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in May
Heflin, 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).
Heflin, Kentucky, USA
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