October weather forecast
Greenville, MS

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Weather in October

October marks the full arrival of autumn in Greenville. The significant reduction in temperature allows for milder conditions during day and cooler nights. Simultaneous decreases in daylight, sunshine hours, and overall UV index further imply the departure of summer. The winds gather strength once again, rustling the fallen leaves with an average speed of 7.5mph (12.1km/h). Rainfall amounts mount, paving the path for the arrival of the cooler seasons.

Temperature

The shift from September to October in Greenville, Mississippi, involves a decrease in the average high-temperature, from a hot 86.2°F (30.1°C) to a warm 75.4°F (24.1°C). During October, Greenville sees a mean low-temperature of 57°F (13.9°C).

Humidity

October is the least humid month in Greenville, with an average relative humidity of 66%.

Rainfall

In Greenville, in October, it is raining for 7 days, with typically 1.65" (42mm) of accumulated precipitation. In Greenville, during the entire year, the rain falls for 122.3 days and collects up to 17.64" (448mm) of precipitation.

Snowfall

March through December are months without snowfall in Greenville.

Daylight

In Greenville, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:22 am and sunset at 6:12 pm CDT.

Sunshine

The average sunshine in October is 6.4h.

UV index

In Greenville, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 4 during October translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What are October temperatures in Greenville?

The high-temperature, in October, in Greenville, records 75.4°F (24.1°C), while the low-temperature is 57°F (13.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 96.8°F (36°C).

What is the least humid month in Greenville?

The least humid month in Greenville is October, with an average relative humidity of 66%.

What is the average humidity in October in Greenville?

The average relative humidity in October is 66%.

How many days does it rain in October in Greenville?

In Greenville, in October, it is raining for 7 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Greenville?

March through December are months without snowfall in Greenville.

How many hours of daylight does Greenville have in October?

The average day length in October in Greenville is 11h and 20min.

What time are sunrise and sunset in October in Greenville?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:48 pm. On the last day of the month, in Greenville, Mississippi, sunrise is at 7:22 am and sunset at 6:12 pm CDT.

How long on average sun shines in October in Greenville?

The average sunshine duration in October in Greenville is 6.4h.

How high is the UV index in October in Greenville?

The average daily maximum UV index in October in Greenville is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Greenville, MS

Average temperature in October - Greenville, MS
  • Average high temperature in October: 75.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in October: 57°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in October
Greenville, MS

Average pressure in October - Greenville, 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 (29.95"Hg).

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Average wind speed in October
Greenville, MS

Average wind speed in October - Greenville, MS
  • Average wind speed in October: 7.5mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in October
Greenville, MS

Average humidity in October - Greenville, MS
  • Average humidity in October: 66%

The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in October
Greenville, MS

Average rainfall in October - Greenville, MS
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in October
Greenville, MS

Average rainfall days in October - Greenville, MS
  • Average rainfall days in October: 7 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).

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Average snowfall in October
Greenville, MS

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

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

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Average snowfall days in October
Greenville, MS

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

The month with the highest number of snowfall days is 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
Greenville, MS

Average daylight in October / Average sunshine in October - Greenville, MS
  • 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: 6h and 2min

The month with the most sunshine is June (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
Greenville, MS

Average sunshine days in October - Greenville, MS
  • Average sunshine days in October: 22.9 days

The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in October
Greenville, MS

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

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

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Average cloud cover in October
Greenville, MS

Average cloud cover in October - Greenville, MS
  • Average cloud cover in October: 28

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in October
Greenville, MS

Average visibility in October - Greenville, MS
  • 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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Greenville, Mississippi, USA

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