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 onset of May brings a rise in the average high-temperature, elevating from a pleasant 68.7°F (20.4°C) in April to a moderately hot 77.7°F (25.4°C). Throughout the month of May, Isom expects an average low of 58.5°F (14.7°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Isom, in May, it is raining for 17.3 days, with typically 3.19" (81mm) of accumulated precipitation. In Isom, during the entire year, the rain falls for 178.7 days and collects up to 39.21" (996mm) of precipitation.Snowfall
May through September are months without snowfall in Isom.Daylight
The average length of the day in May in Isom is 14h and 4min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:36 pm. On the last day of May, in Isom, sunrise is at 5:34 am and sunset at 7:59 pm CDT.
Sunshine
In May, the average sunshine in Isom is 9.3h.UV index
The months with the highest UV index in Isom, Tennessee, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Isom in May?
What is the average humidity in May in Isom?
How many days does it rain in May in Isom?
When it does not snow in Isom?
Does it snow in Isom in May?
How many hours of daylight does Isom have in May?
What time are sunrise and sunset in May in Isom?
How many hours of sunshine does Isom have in May?
What is the month with the highest UV index in Isom?
What is the UV index intensity in May in Isom?
Average temperature in May
Isom, 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°F).
- Average low temperature in May: 58.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Isom, TN
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Isom, TN
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Isom, TN
- Average humidity in May: 78%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Isom, TN
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in May
Isom, TN
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Isom, TN
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Isom, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4 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
Isom, TN
- Average daylight in May: 14h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Isom, TN
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Isom, 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 and December (UV index 2).
Average cloud cover in May
Isom, TN
- Average cloud cover in May: 38
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Isom, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Isom, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
