May weather forecastJefferson City, TN

May

Weather in May

The last month of the spring, May, is a moderately hot month in Jefferson City, Tennessee, with an average temperature ranging between max 77.5°F (25.3°C) and min 55°F (12.8°C).

Temperature

The commencement of May sees a minor shift in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). In May, the temperature in Jefferson City registers a significant dip to an average of 55°F (12.8°C) at night.

Humidity

In Jefferson City, the average relative humidity in May is 74%.

Rainfall

In Jefferson City, in May, it is raining for 12.7 days, with typically 1.65" (42mm) of accumulated precipitation. In Jefferson City, Tennessee, during the entire year, the rain falls for 135.1 days and collects up to 22.01" (559mm) of precipitation.

Snowfall

In Jefferson City, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 6min.
On the first day of May, sunrise is at 6:40 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:45 pm EDT.

Sunshine

In Jefferson City, Tennessee, the average sunshine in May is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Jefferson City, 77.5°F (25.3°C) is the average high-temperature and 55°F (12.8°C) is the average low-temperature during May.

The average relative humidity in May in Jefferson City, Tennessee, is 74%.

In May, in Jefferson City, Tennessee, the rain falls for 12.7 days. Throughout May, 1.65" (42mm) of precipitation is accumulated.

In Jefferson City, snow does not fall in May through September.

In May, in Jefferson City, Tennessee, it doesn't snow. April is the latest month when it typically snows.

The average day length in May in Jefferson City is 14h and 6min.

In May, on the first day of the month, sunrise is at 6:40 am and sunset at 8:21 pm. On the last day of the month, in Jefferson City, Tennessee, sunrise is at 6:18 am and sunset at 8:45 pm EDT.

In Jefferson City, Tennessee, the average sunshine duration in May is 10.2h.

The months with the highest UV index in Jefferson City, Tennessee, are May through August, with an average maximum UV index of 6.

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jefferson City, TN

  • Average high temperature in May: 77.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in May
Jefferson City, 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 (29.99"Hg).

Average wind speed in May
Jefferson City, TN

  • Average wind speed in May: 5mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in May
Jefferson City, TN

  • Average humidity in May: 74%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are July and August (72%).

Average rainfall in May
Jefferson City, TN

  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in May
Jefferson City, TN

  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in May
Jefferson City, TN

  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Jefferson City, TN

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 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
Jefferson City, TN

  • Average daylight in May: 14h and 6min

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 48min).

  • Average sunshine in May: 10h and 12min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in May
Jefferson City, TN

  • Average sunshine days in May: 16.2 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (14.4 days).

Average UV index in May
Jefferson City, 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
Jefferson City, TN

  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 26).

Average visibility in May
Jefferson City, TN

  • 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).