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

Monthly weather forecast and climate
Gretna, NE

January, the same as December, in Gretna, Nebraska, is another subzero cold winter month, with average temperature ranging between max 30.6°F (-0.8°C) and min 17.1°F (-8.3°C). The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 17.1°F (-8.3°C). Weather in January »

The last month of the winter, February, is a cold month in Gretna, Nebraska, with average temperature ranging between max 35.1°F (1.7°C) and min 20.3°F (-6.5°C). In February, the average high-temperature is relatively the same as in January - a wintry 35.1°F (1.7°C). Weather in February »

March, the first month of the spring, in Gretna, is a cool month, with average temperature ranging between min 33.8°F (1°C) and max 50°F (10°C). In March, the average high-temperature soars, from a cold 35.1°F (1.7°C) in February, to a cool 50°F (10°C). Weather in March »

April in Gretna, Nebraska, is an enjoyable spring month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 43.3°F (6.3°C). In April, the average high-temperature increases, from a fresh 50°F (10°C) in March, to an enjoyable 61.3°F (16.3°C). Weather in April »

May, the last month of the spring, in Gretna, is a pleasant month, with average temperature ranging between max 71.2°F (21.8°C) and min 53.8°F (12.1°C). In May, the average high-temperature rises, from a comfortable 61.3°F (16.3°C) in April, to an agreeable 71.2°F (21.8°C). Weather in May »

June, the first month of the summer, in Gretna, is a warm month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 82°F (27.8°C). In Gretna, the average high-temperature rises, from a pleasant 71.2°F (21.8°C) in May, to a moderately hot 82°F (27.8°C). Weather in June »

July, the same as June, is another warm summer month in Gretna, Nebraska, with average temperature ranging between min 66.7°F (19.3°C) and max 84.7°F (29.3°C). With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. The average heat index is estimated at a hot 94.5°F (34.7°C). Weather in July »

August, the last month of the summer, in Gretna, is also a moderately hot month, with average temperature varying between 82.9°F (28.3°C) and 63.5°F (17.5°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 82.9°F (28.3°C). Weather in August »

The first month of the autumn, September, is still a warm month in Gretna, Nebraska, with average temperature varying between 57.6°F (14.2°C) and 77°F (25°C). In Gretna, Nebraska, the average high-temperature slightly decreases, from 82.9°F (28.3°C) in August, to a still moderately hot 77°F (25°C). Weather in September »

October, like September, in Gretna, Nebraska, is another enjoyable autumn month, with average temperature ranging between min 45.3°F (7.4°C) and max 62.4°F (16.9°C). In Gretna, the average high-temperature significantly decreases, from a moderately hot 77°F (25°C) in September, to a comfortable 62.4°F (16.9°C). Weather in October »

November, the last month of the autumn, in Gretna, is another chilly month, with average temperature fluctuating between 34°F (1.1°C) and 49.3°F (9.6°C). In November, the average high-temperature drops, from an enjoyable 62.4°F (16.9°C) in October, to a frosty 49.3°F (9.6°C). Weather in November »

The first month of the winter, December, is also a wintry month in Gretna, Nebraska, with average temperature fluctuating between 34.7°F (1.5°C) and 22.3°F (-5.4°C). In Gretna, the average high-temperature in December plummets, from a frosty 49.3°F (9.6°C) in November, to a wintry 34.7°F (1.5°C). Weather in December »

What is the coldest month in Gretna?

With an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 17.1°F (-8.3°C), January is the coldest month in Gretna.

What is the most humid month in Gretna?

The most humid month in Gretna, Nebraska, is January, with an average relative humidity of 80%.

How much does it rain in Gretna?

In Gretna, during the entire year, the rain falls for 120.7 days and collects up to 22.87" (581mm) of precipitation.

What is the driest month in Gretna?

January and February are months with the least rain when the rain falls for 4 days and typically aggregates up to 0.63" (16mm) of rain.

When does it snow in Gretna?

Months with snowfall are January through May, October through December.

How much does it snow in Gretna?

Throughout the year, there are 30 snowfall days, and 9.65" (245mm) of snow is accumulated.

What is the month with the least sunshine in Gretna?

January has the least sunshine of the year in Gretna, with an average of 4.9h of sunshine.

What are the months with the lowest UV index in Gretna?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Gretna?

The month with the most snowfall is February when snow falls for 7.2 days and typically aggregates up to 2.2" (56mm) of snow.

What is the rainiest month in Gretna?

June is the month with the most rainfall. Rain falls for 15.6 days and accumulates 3.7" (94mm) of precipitation.

When it does not snow in Gretna?

In Gretna, Nebraska, snow does not fall in June through September.

When are the longest days in Gretna?

June has the longest days of the year in Gretna, Nebraska, with an average of 15.1h of daylight.

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

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in Gretna?

The warmest month in Gretna is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.7°F (19.3°C).

What month has the most sunshine in Gretna?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the least humid month in Gretna?

With an average relative humidity of 65%, October is the least humid month.

What is the month with the shortest days in Gretna?

December has the shortest days of the year in Gretna, Nebraska, with an average of 9.3h of daylight.
Average rainfall - Gretna, NE

The wettest month (with the highest rainfall) is June (3.7").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days - Gretna, NE

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (2.9 days).

Average snowfall - Gretna, NE
Average snowfall days - Gretna, NE

The month with the highest number of snowfall days is January (8.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Gretna, NE

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 4.9h).

Average UV index - Gretna, NE