Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The start of October involves a temperature drop, moving from a moderately hot 79.7°F (26.5°C) in September to a pleasant 68.2°F (20.1°C). Throughout October, Gretna encounters an average temperature drop to a chilly 49.1°F (9.5°C).Humidity
The average relative humidity in October is 75%.Rainfall
In October, in Gretna, Virginia, the rain falls for 10.4 days. Throughout October, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Gretna, there are 158.8 rainfall days, and 30.91" (785mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 14min.On the first day of October in Gretna, sunrise is at 7:13 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 6:20 pm EDT.
Sunshine
In Gretna, Virginia, the average sunshine in October is 5.9h.UV index
In Gretna, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Gretna?
What is the average humidity in October in Gretna?
How much does it rain in Gretna in October?
When it does not snow in Gretna?
Does it snow in Gretna in October?
How many hours of daylight does Gretna have in October?
When is the sunrise / sunset in October in Gretna?
How long on average sun shines in October in Gretna?
How high is the UV index in October in Gretna?
Average temperature in October
Gretna, VA
- Average high temperature in October: 68.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in October
Gretna, VA
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in October
Gretna, VA
- Average wind speed in October: 5.7mph
The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in October
Gretna, VA
- Average humidity in October: 75%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in October
Gretna, VA
- Average rainfall in October: 2.36"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in October
Gretna, VA
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in October
Gretna, VA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Gretna, VA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Gretna, VA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 5h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in October
Gretna, VA
- Average sunshine days in October: 18.6 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in October
Gretna, VA
- Average UV index in October: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Gretna, VA
- Average cloud cover in October: 36
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in October
Gretna, VA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Gretna, Virginia, USA
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