May weather forecast
Mountainbrook, TN

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Weather in May

May, the last month of the spring in Mountainbrook, is a moderately hot month, with an average temperature varying between 77.9°F (25.5°C) and 56.8°F (13.8°C).

Temperature

Mountainbrook observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's agreeable 69.4°F (20.8°C) to a moderately hot 77.9°F (25.5°C). Mountainbrook's nights in May experience an average temperature drop to a moderate 56.8°F (13.8°C).

Humidity

In Mountainbrook, the average relative humidity in May is 77%.

Rainfall

In May, in Mountainbrook, Tennessee, the rain falls for 14.5 days. Throughout May, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Mountainbrook, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

In Mountainbrook, snow does not fall in April through October.

Daylight

In May, the average length of the day in Mountainbrook is 14h and 2min.
On the first day of May, sunrise is at 6:47 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:48 pm EDT.

Sunshine

In Mountainbrook, the average sunshine in May is 9.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Mountainbrook?

The average high-temperature and low-temperature in Mountainbrook during May are 77.9°F (25.5°C) and 56.8°F (13.8°C) respectively.

What is the average humidity in May in Mountainbrook?

The average relative humidity in May is 77%.

How many days does it rain in May in Mountainbrook?

In May, in Mountainbrook, the rain falls for 14.5 days. Throughout May, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Mountainbrook?

April through October are months without snowfall.

What is the average length of the day in May in Mountainbrook?

In Mountainbrook, the average day length in May is 14h and 2min.

When is the sunrise / sunset in May in Mountainbrook?

In May, on the first day of the month, sunrise is at 6:47 am and sunset at 8:25 pm. On the last day of the month, in Mountainbrook, sunrise is at 6:26 am and sunset at 8:48 pm EDT.

How long on average sun shines in May in Mountainbrook?

In May, the average sunshine duration in Mountainbrook, Tennessee, is 9.9h.

When is the highest UV index in Mountainbrook?

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

What is the UV index reading in May in Mountainbrook?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mountainbrook, TN

Average temperature in May - Mountainbrook, TN
  • Average high temperature in May: 77.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in May
Mountainbrook, TN

Average pressure in May - Mountainbrook, 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 (29.98"Hg).

Average wind speed in May
Mountainbrook, TN

Average wind speed in May - Mountainbrook, TN
  • Average wind speed in May: 5.1mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in May
Mountainbrook, TN

Average humidity in May - Mountainbrook, TN
  • Average humidity in May: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in May
Mountainbrook, TN

Average rainfall in May - Mountainbrook, TN
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in May
Mountainbrook, TN

Average rainfall days in May - Mountainbrook, TN
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in May
Mountainbrook, TN

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Mountainbrook, TN

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

The month with the highest number of snowfall days is February (1.7 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
Mountainbrook, TN

Average daylight in May / Average sunshine in May - Mountainbrook, TN
  • Average daylight in May: 14h and 0min

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 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Mountainbrook, TN

Average sunshine days in May - Mountainbrook, TN
  • Average sunshine days in May: 14.1 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in May
Mountainbrook, TN

Average UV index in May - Mountainbrook, 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
Mountainbrook, TN

Average cloud cover in May - Mountainbrook, TN
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in May
Mountainbrook, TN

Average visibility in May - Mountainbrook, TN
  • Average visibility in May: 5mi

The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).

Mountainbrook, Tennessee, USA

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