October weather forecast
Decatur, MS

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Weather in October

October, the same as September, is a moderately hot autumn month in Decatur, Mississippi, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.8°F (24.9°C).

Temperature

The start of October comes with a reduction in the average high-temperature, receding from a hot 86.7°F (30.4°C) in September to a warm 76.8°F (24.9°C). An average low-temperature of 56.3°F (13.5°C) is noted during the month of October.

Humidity

The least humid month in Decatur is October, with an average relative humidity of 70%.

Rainfall

In Decatur, during October, the rain falls for 9.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Decatur, there are 167.6 rainfall days, and 36.54" (928mm) of precipitation is accumulated.

Snowfall

In Decatur, Mississippi, snow does not fall in April through November.

Daylight

In Decatur, the average length of the day in October is 11h and 22min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:06 pm CDT.

Sunshine

The average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 4 in October transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The average high-temperature, in October, in Decatur, is 76.8°F (24.9°C), while the average low-temperature is 56.3°F (13.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 98.6°F (37°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 70%.

What is the average humidity in October?

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

How much does it rain in October?

In Decatur, in October, it is raining for 9.5 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow?

In Decatur, snow does not fall in April through November.

What is the average length of the day in October?

The average day length in October in Decatur is 11h and 22min.

When is the sunrise / sunset in October?

On the first day of October in Decatur, sunrise is at 6:50 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:06 pm CDT.

How many hours of sunshine does Decatur have in October?

The average sunshine duration in October is 7.1h.

What is the UV index intensity in October?

In Decatur, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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, MS

Average temperature in October - Decatur, MS
  • Average high temperature in October: 76.8°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in October: 56.3°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).

Average pressure in October
Decatur, MS

Average pressure in October - Decatur, MS
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in October
Decatur, MS

Average wind speed in October - Decatur, MS
  • Average wind speed in October: 6.3mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in October
Decatur, MS

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

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Decatur, MS

Average rainfall in October - Decatur, MS
  • Average rainfall in October: 2.6"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in October
Decatur, MS

Average rainfall days in October - Decatur, MS
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in October
Decatur, MS

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

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in October
Decatur, MS

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

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

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in October
Decatur, MS

Average sunshine days in October - Decatur, MS
  • Average sunshine days in October: 20.2 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (9 days).

Average UV index in October
Decatur, MS

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in October
Decatur, MS

Average cloud cover in October - Decatur, MS
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in October
Decatur, MS

Average visibility in October - Decatur, MS
  • Average visibility in October: 6mi

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

Decatur, Mississippi, USA

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