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's onset brings a minor rise in the average high-temperature, moving from an agreeable 72.7°F (22.6°C) in April to a moderately hot 81°F (27.2°C). West Jefferson encounters a steady low-temperature average of 60.4°F (15.8°C) throughout the month of May.Heat index
The average heat index in May is calculated to be a tropical 86°F (30°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In May, the average relative humidity is 74%.Rainfall
In West Jefferson, in May, during 10.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In West Jefferson, during the entire year, the rain falls for 128.4 days and collects up to 14.17" (360mm) of precipitation.Snowfall
In West Jefferson, snow does not fall in March through October.Daylight
The average length of the day in May is 13h and 55min.On the first day of May, sunrise is at 5:58 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in May is 10h.UV index
The average daily maximum UV index in May in West Jefferson is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable 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 average humidity in May?
How many days 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?
What is the UV index intensity in May?
Average temperature in May
West Jefferson, AL
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in May: 60.4°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in May
West Jefferson, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
West Jefferson, AL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
West Jefferson, AL
- Average humidity in May: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
West Jefferson, AL
- Average rainfall in May: 1.18"
The wettest months (with the highest rainfall) are July and August (1.46").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in May
West Jefferson, AL
- Average rainfall days in May: 10.9 days
The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are October and November (7.1 days).
Average snowfall in May
West Jefferson, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
West Jefferson, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
West Jefferson, AL
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
West Jefferson, AL
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in May
West Jefferson, AL
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
West Jefferson, AL
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
West Jefferson, AL
- 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).
West Jefferson, Alabama, USA
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