October weather forecast
Decatur, GA

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Weather in October

October, the same as September, in Decatur, Georgia, is an agreeable autumn month, with an average temperature varying between 73.2°F (22.9°C) and 53.8°F (12.1°C).

Temperature

As Decatur enters October, the average high-temperature decreases from the a moderately hot 84.2°F (29°C) of September to an agreeable 73.2°F (22.9°C). An average low-temperature of 53.8°F (12.1°C) marks the nights throughout October.

Humidity

The average relative humidity in October in Decatur is 70%.

Rainfall

In Decatur, in October, it is raining for 7.6 days, with typically 0.79" (20mm) of accumulated precipitation. In Decatur, during the entire year, the rain falls for 134.6 days and collects up to 14.72" (374mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Decatur, the average length of the day in October is 11h and 20min.
On the first day of October in Decatur, sunrise is at 7:32 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 6:45 pm EDT.

Sunshine

The average sunshine in October is 7.2h.

UV index

In October, the average daily maximum UV index in Decatur, Georgia, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in October interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Decatur in October?

The average high-temperature and low-temperature in Decatur during October are 73.2°F (22.9°C) and 53.8°F (12.1°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 91.4°F (33°C).

What is the average humidity in October in Decatur?

In October, the average relative humidity in Decatur, Georgia, is 70%.

How much does it rain in Decatur in October?

In October, in Decatur, the rain falls for 7.6 days. Throughout October, 0.79" (20mm) of precipitation is accumulated.

When it does not snow in Decatur?

April through November are months without snowfall in Decatur.

What is the average length of the day in October in Decatur?

In Decatur, the average day length in October is 11h and 20min.

What time are sunrise and sunset in October in Decatur?

On the first day of October, sunrise is at 7:32 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Decatur have in October?

In Decatur, Georgia, the average sunshine duration in October is 7.2h.

What is the UV index intensity in October in Decatur?

In October, the average daily maximum UV index in Decatur is 4. A UV Index 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
Decatur, GA

Average temperature in October - Decatur, GA
  • Average high temperature in October: 73.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in October: 53.8°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in October
Decatur, GA

Average pressure in October - Decatur, GA
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in October
Decatur, GA

Average wind speed in October - Decatur, GA
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in October
Decatur, GA

Average humidity in October - Decatur, GA
  • Average humidity in October: 70%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (69%).

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Average rainfall in October
Decatur, GA

Average rainfall in October - Decatur, GA
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in October
Decatur, GA

Average rainfall days in October - Decatur, GA
  • Average rainfall days in October: 7.6 days

The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall in October
Decatur, GA

Average snowfall in October - Decatur, GA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in October
Decatur, GA

Average snowfall days in October - Decatur, GA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Decatur, GA

Average daylight in October / Average sunshine in October - Decatur, GA
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 7h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in October
Decatur, GA

Average sunshine days in October - Decatur, GA
  • Average sunshine days in October: 22.6 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in October
Decatur, GA

Average UV index in October - Decatur, GA
  • Average UV index in October: 4

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

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Average cloud cover in October
Decatur, GA

Average cloud cover in October - Decatur, GA
  • Average cloud cover in October: 30

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in October
Decatur, GA

Average visibility in October - Decatur, GA
  • 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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Decatur, Georgia, USA

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