Climate and monthly weather forecast
Fish Island, LA

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Weather in January

January, like December, is another mild winter month in Fish Island, Louisiana, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 46°F (7.8°C). Temperature records mark January as the coldest month, with highs averaging 59.5°F (15.3°C) and lows at 46°F (7.8°C). Weather in January »

Weather in February

February, the last month of the winter in Fish Island, is an enjoyable month, with an average temperature fluctuating between 63.7°F (17.6°C) and 50.7°F (10.4°C). The average high-temperature is an enjoyable 63.7°F (17.6°C) in February, hardly different from the 59.5°F (15.3°C) recorded in January. Weather in February »

Weather in March

March, the first month of the spring in Fish Island, is an agreeable month, with an average temperature fluctuating between 55.9°F (13.3°C) and 70.9°F (21.6°C). March brings a slight increase in the average high-temperature, progressing from a comfortable 63.7°F (17.6°C) in February to an agreeable 70.9°F (21.6°C). Weather in March »

Weather in April

April in Fish Island, Louisiana, is a warm spring month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 77°F (25°C). With the onset of April, Fish Island's average high-temperature experiences a slight rise, moving from March's agreeable 70.9°F (21.6°C) to a moderately hot 77°F (25°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Fish Island, Louisiana, with an average temperature varying between 83.7°F (28.7°C) and 68.5°F (20.3°C). Fish Island perceives a slight temperature ascent during May, with average high-temperatures adjusting from a warm 77°F (25°C) in April to a still moderately hot 83.7°F (28.7°C). Weather in May »

Weather in June

June, the first month of the summer in Fish Island, is a tropical month, with an average temperature ranging between min 74.7°F (23.7°C) and max 88.7°F (31.5°C). June's arrival brings an average high-temperature of a tropical 88.7°F (31.5°C), demonstrating subtle variation from the preceding month. Weather in June »

Weather in July

July, the same as June, in Fish Island, Louisiana, is another tropical summer month, with an average temperature ranging between min 75.9°F (24.4°C) and max 89.2°F (31.8°C). July's climate shows a minor adjustment in average high-temperatures to a still hot 89.2°F (31.8°C) from June's 88.7°F (31.5°C). Weather in July »

Weather in August

August, the last month of the summer in Fish Island, is also a hot month, with an average temperature fluctuating between 76.6°F (24.8°C) and 89.6°F (32°C). August, noted for its average high-temperature of 89.6°F (32°C) and an average low-temperature of 76.6°F (24.8°C), is considered the warmest month. August's mean heat index is computed to be a scorching 111.2°F (44°C). Weather in August »

Weather in September

September, the first month of the autumn in Fish Island, is still a tropical month, with an average temperature varying between 72.1°F (22.3°C) and 86.2°F (30.1°C). Fish Island experiences an average high-temperature of a still hot 86.2°F (30.1°C) in September, marking an insignificant shift from 89.6°F (32°C) in August. Weather in September »

Weather in October

October, like September, in Fish Island, Louisiana, is another warm autumn month, with an average temperature varying between 63.1°F (17.3°C) and 79.3°F (26.3°C). The commencement of October includes a gentle temperature shift, with the average high-temperature dropping a bit from a hot 86.2°F (30.1°C) in September to a warm 79.3°F (26.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Fish Island, is another pleasant month, with an average temperature fluctuating between 68.7°F (20.4°C) and 53.6°F (12°C). The shift from October to November involves a decrease in the average high-temperature, from a warm 79.3°F (26.3°C) to a pleasant 68.7°F (20.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Fish Island, Louisiana, with an average temperature ranging between max 62.4°F (16.9°C) and min 49.5°F (9.7°C). With the commencement of December, Fish Island records a moderate temperature decline, with the average high easing from November's agreeable 68.7°F (20.4°C) to an enjoyable 62.4°F (16.9°C). Weather in December »

Frequently asked questions

What are the coldest months?

In Fish Island, January is the month with the lowest recorded average temperatures, measuring a high of 59.5°F (15.3°C) and a low of 46°F (7.8°C).

How much does it rain?

Throughout the year, there are 131.2 rainfall days, and 11.38" (289mm) of precipitation is accumulated.

When does it snow?

The only month with snowfall is January.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

How much does it snow?

In Fish Island, during the entire year, snow falls for 0.1 days and aggregates up to 0.04" (1mm) of snow.

What are the most humid months?

February and December, with an average relative humidity of 80%, are most humid months.

When it does not snow?

February through December are months without snowfall.

What is the driest month?

March is the month with the least rainfall. Rain falls for 9 days and accumulates 0.35" (9mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fish Island, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When is the highest UV index?

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

When are the longest days?

The month with the longest days in Fish Island is June, with an average of 14h and 0min of daylight.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.9h of sunshine.

What month is the hottest?

Fish Island's August weather, marked by an average high temperature of 89.6°F (32°C) and an average low temperature of 76.6°F (24.8°C), is the warmest in the year.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 19.8 days and typically aggregates up to 1.93" (49mm) of precipitation.

What is the least humid month?

The least humid month is October, with an average relative humidity of 73%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 18min of daylight.

What is the month with the least sunshine in Fish Island?

The month with the least sunshine is December, with an average of 5.2h of sunshine.

When is the lowest UV index in Fish Island?

With an average maximum UV index of 3, December is the month with the lowest UV index.

Average temperature
Fish Island, LA

Average temperature - Fish Island, LA

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is January (59.5°F).

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure
Fish Island, LA

Average pressure - Fish Island, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).

Average wind speed
Fish Island, LA

Average wind speed - Fish Island, LA

The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity
Fish Island, LA

Average humidity - Fish Island, LA

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Fish Island, LA

Average rainfall - Fish Island, LA

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.35").

Average rainfall days
Fish Island, LA

Average rainfall days - Fish Island, LA

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is November (6.5 days).

Average snowfall
Fish Island, LA

Average snowfall - Fish Island, LA

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

Average snowfall days
Fish Island, LA

Average snowfall days - Fish Island, LA

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight / Average sunshine
Fish Island, LA

Average daylight / Average sunshine - Fish Island, LA

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days
Fish Island, LA

Average sunshine days - Fish Island, LA

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (6.8 days).

Average UV index
Fish Island, LA

Average UV index - Fish Island, LA

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average visibility
Fish Island, LA

Average visibility - Fish Island, LA

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

Fish Island, Louisiana, USA

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