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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Gretna, Ohio, is a freezing cold winter month, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 19.9°F (-6.7°C). January is the month when Gretna experiences its coldest temperatures, averaging a high of 31.6°F (-0.2°C) and a low of 19.9°F (-6.7°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Gretna, Ohio, with an average temperature varying between 23.4°F (-4.8°C) and 36.3°F (2.4°C). February begins with an average high-temperature of a cold 36.3°F (2.4°C), reflecting close similarity to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Gretna, Ohio, with an average temperature fluctuating between 47.1°F (8.4°C) and 32.2°F (0.1°C). March marks a rise in the average high-temperature, moving from February's icy 36.3°F (2.4°C) to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April in Gretna, Ohio, is a moderate spring month, with an average temperature varying between 59.4°F (15.2°C) and 42.4°F (5.8°C). As April arrives, Gretna's weather shows an increase in high-temperatures, moving from March's frosty 47.1°F (8.4°C) to a mild 59.4°F (15.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Gretna, Ohio, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 53.6°F (12°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 59.4°F (15.2°C) to an agreeable 70.3°F (21.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Gretna, Ohio, with an average temperature fluctuating between 77.7°F (25.4°C) and 60.4°F (15.8°C). With the onset of June, Gretna's weather sees a minor temperature rise, transitioning from a pleasant 70.3°F (21.3°C) in May to a moderately hot 77.7°F (25.4°C). Weather in June »
Weather in July
July, like June, in Gretna, Ohio, is another warm summer month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 79.9°F (26.6°C). July tends to be the warmest month, with temperatures averaging a daily high of 79.9°F (26.6°C) and a low of 63.7°F (17.6°C). Weather in July »
Weather in August
August, the last month of the summer in Gretna, is also a moderately hot month, with an average temperature varying between 61°F (16.1°C) and 78.6°F (25.9°C). Gretna's weather in August indicates an average high-temperature of a still warm 78.6°F (25.9°C), nearly consistent with the 79.9°F (26.6°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Gretna, is still a warm month, with an average temperature varying between 55.4°F (13°C) and 73.6°F (23.1°C). Entering September, Gretna's average high-temperature reads a still warm 73.6°F (23.1°C), indicating a close resemblance to the previous month's climate. Weather in September »
Weather in October
October, like September, in Gretna, Ohio, is another comfortable autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.7°F (16.5°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 73.6°F (23.1°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Gretna, is another chilly month, with an average temperature ranging between max 48°F (8.9°C) and min 34.9°F (1.6°C). Gretna experiences a temperature shift at the start of November, with average high-temperatures adjusting from a refreshing 61.7°F (16.5°C) in October to a frosty 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Gretna, is also an icy month, with an average temperature varying between 37.4°F (3°C) and 27.3°F (-2.6°C). A decrease in the average high-temperature is observed during December, shifting from a frosty 48°F (8.9°C) in November to a cold 37.4°F (3°C). Weather in December »
Updated: Jun 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January is the coldest month, exhibiting average temperatures of 31.6°F (-0.2°C) at the peak and 19.9°F (-6.7°C) at the base.
What is the most humid month?
The most humid month is January, with an average relative humidity of 84%.
How much does it rain?
In Gretna, during the entire year, the rain falls for 82.2 days and collects up to 6.02" (153mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
How much does it snow?
In Gretna, during the entire year, snow falls for 21.1 days and aggregates up to 1.85" (47mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.4h of sunshine.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 5.4 days and typically aggregates up to 0.47" (12mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow?
May through September are months without snowfall.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 7.7 days and typically aggregates up to 0.75" (19mm) of precipitation.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year in Gretna.
What is the month with the highest UV index?
June and August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
Gretna's warmest temperatures are experienced in July, with average high temperatures of 79.9°F (26.6°C) and lows of 63.7°F (17.6°C).
What month has the most sunshine?
With an average of 10h of sunshine, July has the most sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 6.4 days and accumulates 0.28" (7mm) of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 75%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Gretna, OH
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).
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
Gretna, OH
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"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
Gretna, OH
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.8mph
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
Gretna, OH
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Gretna, OH
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.47" - Average rainfall in April:
0.51" - Average rainfall in May:
0.71" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.55" - Average rainfall in September:
0.28" - Average rainfall in October:
0.43" - Average rainfall in November:
0.39" - Average rainfall in December:
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
Gretna, OH
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
9.6 days - Average rainfall days in May:
10 days - Average rainfall days in June:
7.7 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
7.2 days - Average rainfall days in September:
6.4 days - Average rainfall days in October:
5.8 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
5.6 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
Gretna, OH
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
Gretna, OH
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
4.4 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 / Average sunshine
Gretna, OH
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 January:
3h and 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 0min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
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
Gretna, OH
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
20.3 days - Average sunshine days in April:
18.4 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
18.7 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
19 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
23 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
23.2 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
Gretna, OH
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
Gretna, OH
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
Gretna, OH
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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