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

With the beginning of October, the average high-temperature shows a decrease, transitioning from a tropical 86.2°F (30.1°C) in September to a warm 75.4°F (24.1°C). Greenville reports an average nighttime low-temperature of 57°F (13.9°C) in October.

Humidity

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

Rainfall

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

Snowfall

In Greenville, snow does not fall in March through December.

Daylight

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

Sunshine

In Greenville, the average sunshine in October is 6.4h.

UV index

In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

The high-temperature during October is 75.4°F (24.1°C) and the low-temperature is 57°F (13.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 96.8°F (36°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity is 66%.

How much does it rain in Greenville in October?

In Greenville, during October, the rain falls for 7 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When it does not snow in Greenville?

In Greenville, snow does not fall in March through December.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

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

How long on average sun shines in October?

In October, the average sunshine duration is 6.4h.

What is the UV index reading in October?

In Greenville, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Greenville, Mississippi, USA

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