Monthly weather forecast and climate
Gretna, FL

Weather in January

January, like December, is a moderate winter month in Gretna, Florida, with average temperature ranging between min 42.3°F (5.7°C) and max 60.4°F (15.8°C). The coldest month is January, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 42.3°F (5.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Gretna, is an enjoyable month, with average temperature varying between 46.2°F (7.9°C) and 65.1°F (18.4°C). In Gretna, the average high-temperature is relatively the same as in January - a comfortable 65.1°F (18.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Gretna, is a pleasant month, with average temperature ranging between min 51.3°F (10.7°C) and max 71.8°F (22.1°C). In March, the average high-temperature slightly increases, from a comfortable 65.1°F (18.4°C) in February, to an agreeable 71.8°F (22.1°C). Weather in March »

Weather in April

April is a warm spring month in Gretna, Florida, with average temperature ranging between max 78.8°F (26°C) and min 57.7°F (14.3°C). In Gretna, the average high-temperature marginally rises, from a pleasant 71.8°F (22.1°C) in March, to a warm 78.8°F (26°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Gretna, Florida, with average temperature fluctuating between 64.9°F (18.3°C) and 85.6°F (29.8°C). In May, the average high-temperature slightly increases, from 78.8°F (26°C) in April, to a still warm 85.6°F (29.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Gretna, Florida, with average temperature varying between 71.8°F (22.1°C) and 90.3°F (32.4°C). In Gretna, the average high-temperature is essentially the same as in May - a hot 90.3°F (32.4°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Gretna, Florida, with temperature in the range of an average low of 73°F (22.8°C) and an average high of 90.7°F (32.6°C). The warmest months are July and August, with an average high-temperature of 90.7°F (32.6°C). In July, the average heat index is evaluated at a life-threatening hot 113.4°F (45.2°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Gretna, Florida, with average temperature ranging between min 73.6°F (23.1°C) and max 90.7°F (32.6°C). The warmest months are July and August, with an average high-temperature of 90.7°F (32.6°C). In August, the average heat index is evaluated at a life-threatening hot 114.3°F (45.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Gretna, Florida, with average temperature varying between 69.4°F (20.8°C) and 87.3°F (30.7°C). In September, the average high-temperature is relatively the same as in August - a still hot 87.3°F (30.7°C). Weather in September »

Weather in October

October, like September, in Gretna, Florida, is another warm autumn month, with average temperature varying between 79.9°F (26.6°C) and 59.9°F (15.5°C). In Gretna, the average high-temperature marginally drops, from a tropical 87.3°F (30.7°C) in September, to a moderately hot 79.9°F (26.6°C). Weather in October »

Weather in November

November, the last month of the autumn, in Gretna, is also an agreeable month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 49.6°F (9.8°C). In November, the average high-temperature decreases, from a warm 79.9°F (26.6°C) in October, to an agreeable 69.6°F (20.9°C). Weather in November »

Weather in December

December, the first month of the winter, in Gretna, is still a comfortable month, with average temperature varying between 63.9°F (17.7°C) and 46.8°F (8.2°C). In December, the average high-temperature marginally drops, from an agreeable 69.6°F (20.9°C) in November, to an enjoyable 63.9°F (17.7°C). Weather in December »
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FAQ

What is the coldest month in Gretna?

January is the coldest month in Gretna, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 42.3°F (5.7°C).

How many days does it rain in Gretna?

In Gretna, Florida, during the entire year, the rain falls for 184.9 days and collects up to 37.6" (955mm) of precipitation.

When does it snow in Gretna?

The only month with snowfall in Gretna, Florida, is January.

How many days does it snow in Gretna?

In Gretna, Florida, during the entire year, snow falls for 0.3 days, and aggregates up to 0.04" (1mm) of snow.

When does it snow the most in Gretna?

The month with the most snowfall in Gretna is January when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

When is the lowest UV index in Gretna?

January is the month with the lowest UV index in Gretna, with an average maximum UV index of 3.

When it does not snow in Gretna?

February through December are months without snowfall in Gretna, Florida.

What is the least humid month in Gretna?

May is the least humid month, with an average relative humidity of 72%.

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

Months with the highest UV index are May through August, with an average maximum UV index of 7.

When are the longest days in Gretna?

June has the longest days of the year, with an average of 14.1h of daylight.

What are the months with the most sunshine in Gretna?

Months with the most sunshine in Gretna, Florida, are June and July, with an average of 10.5h of sunshine.

What is the warmest month in Gretna?

Warmest months are July and August, with an average high-temperature of 90.7°F (32.6°C).

What is the most humid month in Gretna?

Months with the highest humidity in Gretna, Florida, are August and December, with an average relative humidity of 78%.

What is the wettest month in Gretna?

August is the month with the most rainfall. Rain falls for 25.6 days and accumulates 5.08" (129mm) of precipitation.

What is the driest month in Gretna?

November is the month with the least rainfall in Gretna. Rain falls for 8.1 days and accumulates 1.46" (37mm) of precipitation.

What is the month with the shortest days in Gretna?

With an average of 10.2h of daylight, December has the shortest days of the year in Gretna, Florida.

What is the month with the least sunshine in Gretna?

December has the least sunshine of the year in Gretna, with an average of 5.5h of sunshine.

Average temperature
Gretna, FL

Average temperature - Gretna, FL

The warmest months (with the highest average high temperature) are July and August (90.7°F).
The month with the lowest average high temperature is January (60.4°F).

The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).

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Average pressure
Gretna, FL

Average pressure - Gretna, FL

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June, August and September (29.98").

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Average wind speed
Gretna, FL

Average wind speed - Gretna, FL

The windiest months (with the highest average wind speed) are January and March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity
Gretna, FL

Average humidity - Gretna, FL

Months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (72%).

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Average rainfall
Gretna, FL

Average rainfall - Gretna, FL

The wettest month (with the highest rainfall) is August (5.08").
The driest month (with the least rainfall) is November (1.46").

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Average rainfall days
Gretna, FL

Average rainfall days - Gretna, FL

The month with the highest number of rainy days is July (26.1 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall
Gretna, FL

Average snowfall - Gretna, FL

The month with the highest snowfall is January (0.04").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Gretna, FL

Average snowfall days - Gretna, FL

The month with the highest number of snowfall days is January (0.2 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Gretna, FL

Average daylight / Average sunshine - Gretna, FL

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days
Gretna, FL

Average sunshine days - Gretna, FL

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (3.4 days).

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Average visibility
Gretna, FL

Average visibility - Gretna, FL

Months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
Months with the lowest visibility are July, August, September and December (5mi).

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