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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Mountainbrook, Tennessee, is a frosty winter month, with an average temperature varying between 46.4°F (8°C) and 30.9°F (-0.6°C). January, having an average high-temperature of 46.4°F (8°C) and an average low-temperature of 30.9°F (-0.6°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Mountainbrook, is a cool month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 51.4°F (10.8°C). With the advent of February, Mountainbrook's high-temperatures adjust to a cool 51.4°F (10.8°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Mountainbrook, is a mild month, with an average temperature fluctuating between 59.2°F (15.1°C) and 41.5°F (5.3°C). Mountainbrook's March weather indicates a minor ascent in high-temperatures, adjusting from a fresh 51.4°F (10.8°C) in February to a mild 59.2°F (15.1°C). Weather in March »
Weather in April
April is an agreeable spring month in Mountainbrook, Tennessee, with an average temperature varying between 49.5°F (9.7°C) and 69.4°F (20.8°C). Mountainbrook's April weather brings a rise in high-temperatures, moving from a mild 59.2°F (15.1°C) in March to an agreeable 69.4°F (20.8°C). Weather in April »
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). 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). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Mountainbrook, Tennessee, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 63.3°F (17.4°C). June's arrival brings a slight change in high-temperatures, adjusting from a moderately hot 77.9°F (25.5°C) in May to a still warm 85.5°F (29.7°C). Weather in June »
Weather in July
July is a hot summer month in Mountainbrook, Tennessee, with an average temperature ranging between max 87.8°F (31°C) and min 66.4°F (19.1°C). Mountainbrook records the warmest temperatures in July, averaging a high of 87.8°F (31°C) and a low of 66.4°F (19.1°C). During July, the heat index is estimated at a sweltering 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Mountainbrook, is another tropical month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 65.8°F (18.8°C). The transition from July to August sees average high-temperatures adjusting to a still hot 87.4°F (30.8°C), from a not significantly different 87.8°F (31°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mountainbrook, Tennessee, with an average temperature varying between 81.9°F (27.7°C) and 61°F (16.1°C). As September arrives, Mountainbrook's weather displays a minor decrease in high-temperatures, transitioning from August's hot 87.4°F (30.8°C) to a warm 81.9°F (27.7°C). Weather in September »
Weather in October
October, the same as September, in Mountainbrook, Tennessee, is another pleasant autumn month, with an average temperature varying between 70.7°F (21.5°C) and 49.5°F (9.7°C). Transition into October marks a drop in the average high-temperature, moving from a warm 81.9°F (27.7°C) in September to a pleasant 70.7°F (21.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Mountainbrook, Tennessee, with an average temperature fluctuating between 58.1°F (14.5°C) and 40.1°F (4.5°C). The transition into November involves a decrease in the average high-temperature, falling from an agreeable 70.7°F (21.5°C) in October to a mild 58.1°F (14.5°C). Weather in November »
Weather in December
December, the first month of the winter in Mountainbrook, is also a fresh month, with an average temperature varying between 36.1°F (2.3°C) and 50.5°F (10.3°C). The transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderate 58.1°F (14.5°C) in November to a fresh 50.5°F (10.3°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Mountainbrook?
January, marked by an average high-temperature of 46.4°F (8°C) and a low-temperature of 30.9°F (-0.6°C), is the coldest month.
How many days does it rain in Mountainbrook?
Throughout the year, in Mountainbrook, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.
When does it snow in Mountainbrook?
January through March, November and December are months with snowfall.
How much does it snow in Mountainbrook?
Throughout the year, in Mountainbrook, there are 5.2 snowfall days, and 1.77" (45mm) of snow is accumulated.
What is the month with the lowest UV index in Mountainbrook?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mountainbrook, Tennessee.
When does it snow the most in Mountainbrook?
The month with the most snowfall in Mountainbrook is February, when snow falls for 1.7 days and typically aggregates up to 0.75" (19mm) of snow.
When is Daylight Saving Time (DST) in Mountainbrook?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mountainbrook, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Mountainbrook?
April through October are months without snowfall.
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 least humid month in Mountainbrook?
The months with the lowest humidity are June through November, with an average relative humidity of 75%.
When are the longest days in Mountainbrook?
The month with the longest days in Mountainbrook is June, with an average of 14h and 30min of daylight.
What month has the most sunshine in Mountainbrook?
With an average of 10.6h of sunshine, June has the most sunshine of the year.
What time of the year is the hottest in Mountainbrook?
July, marked by an average high-temperature of 87.8°F (31°C) and a low-temperature of 66.4°F (19.1°C), is the warmest month in Mountainbrook, Tennessee.
What is the wettest month in Mountainbrook?
July is the month with the most rainfall. Rain falls for 17 days and accumulates 2.64" (67mm) of precipitation.
What is the driest month in Mountainbrook?
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.3" (33mm) of precipitation.
What is the most humid month in Mountainbrook?
With an average relative humidity of 80%, December is the most humid month in Mountainbrook.
What is the month with the shortest days in Mountainbrook?
With an average of 9h and 48min of daylight, December has the shortest days of the year in Mountainbrook.
What is the month with the least sunshine in Mountainbrook?
The month with the least sunshine in Mountainbrook, Tennessee, is December, with an average of 5.1h of sunshine.
Average temperature
Mountainbrook, TN
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).
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
Mountainbrook, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"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
Mountainbrook, TN
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.1mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.8mph - Average wind speed in September:
4.1mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.6mph - Average wind speed in December:
6mph
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
Mountainbrook, TN
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
Mountainbrook, TN
- Average rainfall in January:
1.69" - Average rainfall in February:
2.13" - Average rainfall in March:
2.17" - Average rainfall in April:
1.93" - Average rainfall in May:
2.05" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.44" - Average rainfall in September:
1.3" - Average rainfall in October:
1.69" - Average rainfall in November:
1.38" - Average rainfall in December:
2.36"
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
Mountainbrook, TN
- Average rainfall days in January:
10.7 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
14 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
11.4 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
Mountainbrook, TN
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
Mountainbrook, TN
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
1.7 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.7 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 / Average sunshine
Mountainbrook, TN
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 January:
5h and 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
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
Mountainbrook, TN
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
17.7 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
Mountainbrook, TN
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
Mountainbrook, TN
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
Mountainbrook, TN
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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