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 arrival signals a subtle increase in average high-temperatures, moving from April's enjoyable 64.4°F (18°C) to an agreeable 72.1°F (22.3°C). The average temperature drops to a fresh 51.3°F (10.7°C) during the night in the month of May.Humidity
The average relative humidity in May in Erwin is 79%.Rainfall
In Erwin, Tennessee, in May, it is raining for 19.4 days, with typically 2.99" (76mm) of accumulated precipitation. In Erwin, during the entire year, the rain falls for 173.4 days and collects up to 29.45" (748mm) of precipitation.Snowfall
In Erwin, snow does not fall in May through September.Daylight
In Erwin, Tennessee, the average length of the day in May is 14h and 6min.On the first day of May, sunrise is at 6:35 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
In Erwin, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the average May temperature in Erwin?
What is the average humidity in May in Erwin?
How much does it rain in Erwin in May?
When it does not snow in Erwin?
Does it snow in Erwin in May?
How many hours of daylight does Erwin have in May?
When are sunrise and sunset in May in Erwin?
How many hours of sunshine does Erwin have in May?
How high is the UV index in May in Erwin?
Average temperature in May
Erwin, TN
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Erwin, 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
Erwin, TN
- Average wind speed in May: 5.2mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Erwin, TN
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Erwin, TN
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Erwin, TN
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in May
Erwin, TN
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Erwin, TN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Erwin, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Erwin, TN
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in May
Erwin, TN
- Average UV index in May: 5
The months with the highest UV index are June 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
Erwin, TN
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 34).
Average visibility in May
Erwin, TN
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Erwin, Tennessee, USA
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