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 start of May is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 69.1°F (20.6°C) in April to a warm 77.7°F (25.4°C). Allen cools down to an average low-temperature of 56.5°F (13.6°C) throughout the month of May.Humidity
In May, the average relative humidity in Allen is 77%.Rainfall
In Allen, Tennessee, in May, during 17.2 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, in Allen, there are 171.8 rainfall days, and 41.81" (1062mm) of precipitation is accumulated.Snowfall
In Allen, snow does not fall in May through October.Daylight
In May, the average length of the day in Allen, Tennessee, is 14h and 3min.On the first day of May, sunrise is at 6:46 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:48 pm EDT.
Sunshine
The average sunshine in May is 9.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the usual temperature for Allen in May?
What is the average humidity in May in Allen?
How many days does it rain in May in Allen?
When it does not snow in Allen?
Does it snow in Allen in May?
How many hours of daylight does Allen have in May?
When are sunrise and sunset in May in Allen?
How many hours of sunshine does Allen have in May?
What are the months with the highest UV index in Allen?
What is the UV index reading in May in Allen?
Average temperature in May
Allen, TN
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in May: 56.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Allen, TN
- Average pressure in May: 30.02"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
Allen, TN
- Average wind speed in May: 5.2mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in May
Allen, TN
- Average humidity in May: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in May
Allen, TN
- Average rainfall in May: 3.03"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in May
Allen, TN
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Allen, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Allen, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Allen, TN
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Allen, TN
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in May
Allen, TN
- 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
Allen, TN
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Allen, TN
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Allen, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
