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 commencement of October indicates a shift in the average high-temperature, receding from September's warm 73.6°F (23.1°C) to a comfortable 61.7°F (16.5°C). During the month of October, Gretna experiences a steady low-temperature average of 45.9°F (7.7°C).Humidity
October is the least humid month in Gretna, with an average relative humidity of 75%.Rainfall
In Gretna, in October, during 5.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, in Gretna, there are 82.2 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Gretna. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Gretna, during the entire year, snow falls for 21.1 days and aggregates up to 1.85" (47mm) of snow.Daylight
The average length of the day in October in Gretna, Ohio, is 11h and 7min.On the first day of the month, sunrise is at 7:32 am and sunset at 7:17 pm. On the last day of October, sunrise is at 8:04 am and sunset at 6:33 pm EDT.
Sunshine
In Gretna, Ohio, the average sunshine in October is 6.2h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in October leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are October temperatures in Gretna?
What is the least humid month in Gretna?
What is the average humidity in October in Gretna?
How much does it rain in Gretna in October?
When does it start snowing in Gretna?
How many hours of daylight does Gretna have in October?
What time are sunrise and 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, OH
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in October: 45.9°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in October
Gretna, OH
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Gretna, OH
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in October
Gretna, OH
- Average humidity in October: 75%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Gretna, OH
- Average rainfall in October: 0.43"
The wettest month (with the highest rainfall) is June (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in October
Gretna, OH
- Average rainfall days in October: 5.8 days
The month with the highest number of rainy days is May (10 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in October
Gretna, OH
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Gretna, OH
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (5.9 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, OH
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in October
Gretna, OH
- Average sunshine days in October: 23 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is May (17.5 days).
Average UV index in October
Gretna, OH
- Average UV index in October: 2
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Gretna, OH
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Gretna, OH
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Gretna, Ohio, USA
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