October weather forecast
Mountain Brook, AL

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Weather in October

October greets Mountain Brook with full-fledged autumn weather. The city sees a remarkable increase in wind speed, with peaks up to 6.6mph (10.6km/h). The cooling lag from the summer months and the receding rainfall make it an exciting time. The crisp air is dotted with falling leaves as autumn unveils its full color spectrum. October is quintessential for the pumpkin harvests and Halloween festivities that Mountain Brook is known for.

Temperature

As October begins in Mountain Brook, Alabama, there is a decrease in the average high-temperature, falling from a moderately hot 84.9°F (29.4°C) in September to a still warm 74.3°F (23.5°C). The low-temperature in Mountain Brook averages to a cool 54.1°F (12.3°C) during the nights of October.

Humidity

The least humid month is October, with an average relative humidity of 71%.

Rainfall

In Mountain Brook, in October, during 8.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Mountain Brook, during the entire year, the rain falls for 143.1 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

In Mountain Brook, snow does not fall in April through October.

Daylight

The average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:05 am and sunset at 5:55 pm CDT.

Sunshine

In October, the average sunshine is 7.5h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 4 suggests this advice:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the average October temperature in Mountain Brook?

The average high-temperature and low-temperature in Mountain Brook, Alabama, during October are 74.3°F (23.5°C) and 54.1°F (12.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 93.2°F (34°C).

What is the least humid month in Mountain Brook?

With an average relative humidity of 71%, October is the least humid month.

What is the average humidity in October in Mountain Brook?

In Mountain Brook, Alabama, the average relative humidity in October is 71%.

How many days does it rain in October in Mountain Brook?

In Mountain Brook, during October, the rain falls for 8.3 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Mountain Brook?

In Mountain Brook, snow does not fall in April through October.

Does it snow in Mountain Brook in October?

In Mountain Brook, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Mountain Brook?

In Mountain Brook, Alabama, the average day length in October is 11h and 20min.

What time are sunrise and sunset in October in Mountain Brook?

In October, on the first day of the month, sunrise is at 6:41 am and sunset at 6:31 pm. On the last day of the month, in Mountain Brook, sunrise is at 7:05 am and sunset at 5:55 pm CDT.

How long on average sun shines in October in Mountain Brook?

In October, the average sunshine duration is 7.5h.

How high is the UV index in October in Mountain Brook?

In Mountain Brook, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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 October
Mountain Brook, AL

Average temperature in October - Mountain Brook, AL
  • Average high temperature in October: 74.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in October: 54.1°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in October
Mountain Brook, AL

Average pressure in October - Mountain Brook, AL
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in October
Mountain Brook, AL

Average wind speed in October - Mountain Brook, AL
  • Average wind speed in October: 6.1mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in October
Mountain Brook, AL

Average humidity in October - Mountain Brook, AL
  • Average humidity in October: 71%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Mountain Brook, AL

Average rainfall in October - Mountain Brook, AL
  • Average rainfall in October: 1.06"

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days in October
Mountain Brook, AL

Average rainfall days in October - Mountain Brook, AL
  • Average rainfall days in October: 8.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in October
Mountain Brook, AL

Average snowfall in October - Mountain Brook, AL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Mountain Brook, AL

Average snowfall days in October - Mountain Brook, AL
  • Average snowfall days in October: 0 days

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Mountain Brook, AL

Average daylight in October / Average sunshine in October - Mountain Brook, AL
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 7h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in October
Mountain Brook, AL

Average sunshine days in October - Mountain Brook, AL
  • Average sunshine days in October: 20.9 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in October
Mountain Brook, AL

Average UV index in October - Mountain Brook, AL
  • Average UV index in October: 4

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in October
Mountain Brook, AL

Average cloud cover in October - Mountain Brook, AL
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in October
Mountain Brook, AL

Average visibility in October - Mountain Brook, AL
  • Average visibility in October: 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).

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Mountain Brook, Alabama, USA

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