Gretna
Ohio, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Gretna, OH

January, like December, is a freezing cold winter month in Gretna, Ohio, 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 an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.9°F (-6.7°C), January is the coldest month. Weather in January »

The last month of the winter, February, is a cold month in Gretna, Ohio, with average temperature varying between 23.4°F (-4.8°C) and 36.3°F (2.4°C). In February, the average high-temperature is almost the same as in January - a wintry 36.3°F (2.4°C). Weather in February »

March, the first month of the spring, in Gretna, is a frosty month, with average temperature ranging between max 47.1°F (8.4°C) and min 32.2°F (0.1°C). In Gretna, the average high-temperature increases, from a wintry 36.3°F (2.4°C) in February, to a frosty 47.1°F (8.4°C). Weather in March »

April in Gretna, Ohio, is a moderate spring month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.4°F (15.2°C). In Gretna, the average high-temperature in April rises, from a frosty 47.1°F (8.4°C) in March, to a mild 59.4°F (15.2°C). Weather in April »

The last month of the spring, May, is a pleasant month in Gretna, Ohio, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 70.3°F (21.3°C). In May, the average high-temperature increases, from a moderate 59.4°F (15.2°C) in April, to an agreeable 70.3°F (21.3°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Gretna, Ohio, with average temperature ranging between max 77.7°F (25.4°C) and min 60.4°F (15.8°C). In Gretna, the average high-temperature slightly increases, from a pleasant 70.3°F (21.3°C) in May, to a warm 77.7°F (25.4°C). Weather in June »

July, like June, in Gretna, Ohio, is another warm summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.7°F (17.6°C). July is the warmest month, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 63.7°F (17.6°C). Weather in July »

August, the last month of the summer, in Gretna, is another warm month, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 78.6°F (25.9°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 78.6°F (25.9°C). Weather in August »

The first month of the autumn, September, is still a warm month in Gretna, Ohio, with average temperature varying between 73.6°F (23.1°C) and 55.4°F (13°C). In September, the average high-temperature is relatively the same as in August - a still moderately hot 73.6°F (23.1°C). Weather in September »

October, like September, in Gretna, Ohio, is another comfortable autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 45.9°F (7.7°C). In October, the average high-temperature decreases, from a warm 73.6°F (23.1°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

November, the last month of the autumn, in Gretna, is also a frosty month, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 34.9°F (1.6°C). In November, the average high-temperature drops, from a comfortable 61.7°F (16.5°C) in October, to a frosty 48°F (8.9°C). Weather in November »

December, the first month of the winter, in Gretna, is also a wintry month, with average temperature varying between 37.4°F (3°C) and 27.3°F (-2.6°C). In Gretna, the average high-temperature decreases, from a chilly 48°F (8.9°C) in November, to a cold 37.4°F (3°C). Weather in December »

What is the coldest month in Gretna?

The coldest month in Gretna, Ohio, is January, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.9°F (-6.7°C).

What is the most humid month in Gretna?

January is the most humid month in Gretna, Ohio, with an average relative humidity of 84%.

How many days does it rain in Gretna?

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 in Gretna?

January through April, October through December are months with snowfall in Gretna, Ohio.

How many days does it snow in Gretna?

Throughout the year, in Gretna, there are 21.1 snowfall days, and 1.85" (47mm) of snow is accumulated.

What is the month with the least sunshine in Gretna?

January has the least sunshine of the year in Gretna, Ohio, with an average of 3.4h of sunshine.

When does it snow the most in Gretna?

The month with the most snowfall in Gretna, Ohio, is February when snow falls for 5.4 days and typically aggregates up to 0.47" (12mm) of snow.

When it does not snow in Gretna?

May through September are months without snowfall.

What is the rainiest month in Gretna?

June is the month with the most rainfall in Gretna. Rain falls for 7.7 days and accumulates 0.75" (19mm) of precipitation.

When are the longest days in Gretna?

With an average of 15h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Gretna?

June and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Gretna?

The warmest month is July, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 63.7°F (17.6°C).

What month has the most sunshine in Gretna?

The month with the most sunshine is July, with an average of 10h of sunshine.

What is the driest month in Gretna?

September is the month with the least rainfall in Gretna. Rain falls for 6.4 days and accumulates 0.28" (7mm) of precipitation.

What is the least humid month in Gretna?

With an average relative humidity of 75%, October is the least humid month in Gretna.

What is the month with the shortest days in Gretna?

The month with the shortest days in Gretna is December, with an average of 9.3h of daylight.

When is the lowest UV index in Gretna?

The month with the lowest UV index in Gretna, Ohio, is December, with an average maximum UV index of 1.
Average rainfall - Gretna, OH
Average rainfall days - Gretna, OH
Average snowfall - Gretna, OH
Average snowfall days - Gretna, OH

The month with the highest number of snowfall days is January (5.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Gretna, OH

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.4h).