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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 another subzero 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). With average high temperatures of 31.6°F (-0.2°C) and lows of 19.9°F (-6.7°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Gretna, is a wintry month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 36.3°F (2.4°C). The arrival of February coincides with an average high-temperature of an icy 36.3°F (2.4°C), indicating a minimal shift from January's 31.6°F (-0.2°C). Weather in February »
Weather in March
March, the first month of the spring in Gretna, is a frosty month, with an average temperature fluctuating between 32.2°F (0.1°C) and 47.1°F (8.4°C). March's arrival coincides with a temperature rise, moving from February's wintry 36.3°F (2.4°C) to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April is a refreshing spring month in Gretna, Ohio, with an average temperature fluctuating between 42.4°F (5.8°C) and 59.4°F (15.2°C). The start of April signals an increase in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in March to a mild 59.4°F (15.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Gretna, Ohio, with an average temperature varying between 70.3°F (21.3°C) and 53.6°F (12°C). May's onset brings a rise in the average high-temperature, moving from a mild 59.4°F (15.2°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »
Weather in June
June, the first month of the summer in Gretna, is a warm month, with an average temperature varying between 77.7°F (25.4°C) and 60.4°F (15.8°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in May to a warm 77.7°F (25.4°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Gretna, Ohio, with an average temperature ranging between max 79.9°F (26.6°C) and min 63.7°F (17.6°C). Gretna records the warmest temperatures in July, averaging a 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 another warm month, with an average temperature ranging between min 61°F (16.1°C) and max 78.6°F (25.9°C). During August, the average high-temperature is a still warm 78.6°F (25.9°C), maintaining a close resemblance to that of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Gretna, is also a moderately hot month, with an average temperature varying between 55.4°F (13°C) and 73.6°F (23.1°C). September is marked by an average high-temperature of a still moderately hot 73.6°F (23.1°C), almost identical to the preceding month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Gretna, Ohio, with an average temperature ranging between min 45.9°F (7.7°C) and max 61.7°F (16.5°C). 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). Weather in October »
Weather in November
November, the last month of the autumn in Gretna, is also a frosty month, with an average temperature fluctuating between 48°F (8.9°C) and 34.9°F (1.6°C). Gretna's progression into November involves a drop in the average high-temperature, receding from an enjoyable 61.7°F (16.5°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Gretna, Ohio, with an average temperature varying between 37.4°F (3°C) and 27.3°F (-2.6°C). December's onset corresponds with a shift in the average high-temperature, moving from a frosty 48°F (8.9°C) in November to a wintry 37.4°F (3°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Gretna?
January stands out as Gretna's coldest month, with temperatures ranging between an average high of 31.6°F (-0.2°C) and a low of 19.9°F (-6.7°C).
What is the most humid month in Gretna?
The most humid month is January, with an average relative humidity of 84%.
How many days does it rain in Gretna?
Throughout the year, there are 82.2 rainfall days, and 6.02" (153mm) of precipitation is accumulated.
When does it snow in Gretna?
January through April, October through December are months with snowfall.
How many days does it snow in Gretna?
Throughout the year, there are 21.1 snowfall days, and 1.85" (47mm) of snow is accumulated.
What is the month with the least sunshine in Gretna?
With an average of 3.4h of sunshine, January has the least sunshine of the year.
When does it snow the most in Gretna?
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) in Gretna?
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 in Gretna?
In Gretna, Ohio, snow does not fall in May through September.
What is the rainiest month in Gretna?
The month with the most rainfall in Gretna, Ohio, 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 in Gretna?
The month with the longest days in Gretna is June, with an average of 15h and 0min of daylight.
What are the months with the highest UV index in Gretna?
The months with the highest UV index are June and August, with an average maximum UV index of 6.
What time of the year is the hottest in Gretna?
The month of July sees the average highest temperatures, reaching 79.9°F (26.6°C) at the peak and 63.7°F (17.6°C) at the low.
What month has the most sunshine in Gretna?
With an average of 10h of sunshine, July has the most sunshine of the year in Gretna.
What is the driest month in Gretna?
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 in Gretna?
October is the least humid month in Gretna, Ohio, with an average relative humidity of 75%.
What is the month with the shortest days in Gretna?
The month with the shortest days in Gretna, Ohio, is December, with an average of 9h and 24min of daylight.
When is the lowest UV index in Gretna?
With an average maximum UV index of 1, December is the month with the lowest UV index.
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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