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 in Johnson City brings a subtle shift in the average high-temperature, edging up from April's comfortable 64.9°F (18.3°C) to a warm 73.4°F (23°C). A dramatic downturn marks the May nights in Johnson City, with lows averaging at a cool 51.8°F (11°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Johnson City, in May, during 19.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Johnson City, Tennessee, during the entire year, the rain falls for 187.8 days and collects up to 32.76" (832mm) of precipitation.Snowfall
In Johnson City, snow does not fall in May through September.Daylight
In Johnson City, the average length of the day in May is 14h and 7min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:17 pm. On the last day of May, in Johnson City, sunrise is at 6:13 am and sunset at 8:41 pm EDT.
Sunshine
The average sunshine in May is 9.9h.UV index
In Johnson City, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Johnson City?
What is the average humidity in May in Johnson City?
How much does it rain in Johnson City in May?
When it does not snow in Johnson City?
Does it snow in Johnson City in May?
What is the average length of the day in May in Johnson City?
When are sunrise and sunset in May in Johnson City?
How many hours of sunshine does Johnson City have in May?
How high is the UV index in May in Johnson City?
Average temperature in May
Johnson City, TN
- Average high temperature in May: 73.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Johnson City, TN
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Johnson City, TN
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Johnson City, TN
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Johnson City, TN
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Johnson City, TN
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in May
Johnson City, TN
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Johnson City, TN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Johnson City, TN
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Johnson City, TN
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in May
Johnson City, TN
- Average UV index in May: 5
The months with the highest UV index are 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
Johnson City, TN
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 31).
Average visibility in May
Johnson City, TN
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September and December (5mi).
Johnson City, Tennessee, USA
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