Chattanooga
Tennessee, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Chattanooga, TN

A stunning aerial panorama of the area of Chattanooga, Tennessee, a distant white skyline in the horizon and mountains
A stunning aerial panorama of the area of Chattanooga, Tennessee, a distant white skyline in the horizon and mountains
The last month of the spring, Mayo, is a moderately hot month in Chattanooga, Tennessee, with average temperature ranging between max 79.9°F (26.6°C) and min 57.4°F (14.1°C).

Temperature

In Mayo, the average high-temperature marginally rises, from an agreeable 72.7°F (22.6°C) in Abril, to a warm 79.9°F (26.6°C). In Chattanooga, in Mayo, the average low-temperature is 57.4°F (14.1°C).

Humidity

In Chattanooga, the average relative humidity is 71.5%.

Rainfall

In Chattanooga, during Mayo, the rain falls for 10.6 days and regularly aggregates up to 4.1" (104.1mm) of precipitation. In Chattanooga, during the entire year, the rain falls for 119.6 days and collects up to 52.48" (1332.9mm) of precipitation.

Snowfall

Mayo through Noviembre are months without snowfall.

Daylight

In Chattanooga, Tennessee, the average length of the day in Mayo is 14h.

Sunshine

In Chattanooga, Tennessee, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in Mayo is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 9 transform into the following instructions:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in Mayo in Chattanooga?

In Mayo, in Chattanooga, Tennessee, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 57.4°F (14.1°C).

What is the average humidity in Mayo in Chattanooga?

In Mayo, the average relative humidity is 71.5%.

How many days does it rain in Mayo in Chattanooga?

In Chattanooga, in Mayo, it is raining for 10.6 days, with typically 4.1" (104.1mm) of accumulated precipitation.

Does it snow in Chattanooga in Mayo?

In Mayo, it doesn't snow. Abril is the latest month when it typically snows.

When it does not snow in Chattanooga?

In Chattanooga snow does not fall in Mayo through Noviembre.

What is the average length of the day in Mayo in Chattanooga?

The average length of the day in Mayo in Chattanooga is 14h.

How long on average sun shines in Mayo in Chattanooga?

The average sunshine in Mayo in Chattanooga, Tennessee, is 8.9h.

What is the UV index reading in Mayo in Chattanooga?

The average daily maximum UV index in Mayo in Chattanooga, Tennessee, is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Chattanooga, TN
  • Average high temperature in May: 79.9°F

The warmest month (with the highest average high temperature) is July (90.2°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in May: 57.3°F

The month with the highest average low temperature is July (69.7°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average humidity in May - Chattanooga, TN
  • Average humidity in May: 71.5%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (63.8%).

Average rainfall in May - Chattanooga, TN
  • Average rainfall in May: 4.1"

Wettest months (with the highest rainfall) are March and November (5").
The driest month (with the lowest rainfall) is October (3.3").

Average rainfall days in May - Chattanooga, TN
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is July (11.7 days).
The month with the lowest number of rainy days is October (7.7 days).

Average snowfall in May - Chattanooga, TN
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.7").
Months with the lowest snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in May - Chattanooga, TN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Chattanooga, TN
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 8.9h

The month with most sunshine is June (Average sunshine: 9.2h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in May - Chattanooga, TN
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).