Climate and monthly weather forecast
Grand Coteau, LA

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Weather in January

January, the same as December, in Grand Coteau, Louisiana, is another mild winter month, with an average temperature varying between 58.3°F (14.6°C) and 43°F (6.1°C). January, with its high-temperature average of 58.3°F (14.6°C) and a low-temperature average of 43°F (6.1°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Grand Coteau, is an enjoyable month, with an average temperature varying between 47.8°F (8.8°C) and 63°F (17.2°C). The onset of February notes an average high-temperature of a still refreshing 63°F (17.2°C), subtly shifted from January's 58.3°F (14.6°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Grand Coteau, Louisiana, with an average temperature fluctuating between 53.4°F (11.9°C) and 70.7°F (21.5°C). In Grand Coteau, the average high-temperature in March slightly rises, from a refreshing 63°F (17.2°C) in February, to an agreeable 70.7°F (21.5°C). Weather in March »

Weather in April

April is a moderately hot spring month in Grand Coteau, Louisiana, with an average temperature varying between 58.6°F (14.8°C) and 77.5°F (25.3°C). The arrival of April brings a soft temperature shift, with the average high-temperature nudging from an agreeable 70.7°F (21.5°C) in March to a warm 77.5°F (25.3°C). Weather in April »

Weather in May

May, the last month of the spring in Grand Coteau, is also a moderately hot month, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 66.4°F (19.1°C). May's arrival brings a slight change in high-temperatures, adjusting from a warm 77.5°F (25.3°C) in April to a still moderately hot 84.6°F (29.2°C). Weather in May »

Weather in June

June, the first month of the summer in Grand Coteau, is a hot month, with an average temperature fluctuating between 72.5°F (22.5°C) and 89.2°F (31.8°C). The arrival of June sees an average high-temperature of a hot 89.2°F (31.8°C), hardly diverging from May's 84.6°F (29.2°C). Weather in June »

Weather in July

July, the same as June, in Grand Coteau, Louisiana, is another tropical summer month, with an average temperature fluctuating between 73.6°F (23.1°C) and 90.3°F (32.4°C). Grand Coteau's July weather, with an average high temperature of 90.3°F (32.4°C) and an average low temperature of 73.6°F (23.1°C), tends to be the warmest of the year. The heat index value for July is evaluated at a burning hot 114.8°F (46°C). Weather in July »

Weather in August

August, the last month of the summer in Grand Coteau, is another hot month, with an average temperature fluctuating between 73.8°F (23.2°C) and 90.1°F (32.3°C). August brings a marginal elevation to a still tropical 90.1°F (32.3°C) from July's 90.3°F (32.4°C) in Grand Coteau's average high-temperatures. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Grand Coteau, Louisiana, with an average temperature varying between 86.9°F (30.5°C) and 69.6°F (20.9°C). Grand Coteau's entry into September measures an average high-temperature of a still hot 86.9°F (30.5°C), closely parallel to the preceding month. Weather in September »

Weather in October

October, like September, in Grand Coteau, Louisiana, is a moderately hot autumn month, with an average temperature ranging between min 60.4°F (15.8°C) and max 79.5°F (26.4°C). October ushers in a minute temperature change, with average high-temperatures reducing from September's tropical 86.9°F (30.5°C) to a warm 79.5°F (26.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Grand Coteau, is another pleasant month, with an average temperature fluctuating between 68°F (20°C) and 50.9°F (10.5°C). November shows a mild decline in the average high-temperature, falling from October's warm 79.5°F (26.4°C) to a pleasant 68°F (20°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Grand Coteau, Louisiana, with an average temperature ranging between max 61°F (16.1°C) and min 46.4°F (8°C). The transition to December results in a modest reduction in average high-temperature, moving from a pleasant 68°F (20°C) in November to a refreshing 61°F (16.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Grand Coteau?

The month of January sees the average lowest temperatures, reaching 58.3°F (14.6°C) at the peak and 43°F (6.1°C) at the low.

How much does it rain in Grand Coteau?

Throughout the year, in Grand Coteau, there are 135 rainfall days, and 12.44" (316mm) of precipitation is accumulated.

When does it snow in Grand Coteau?

Months with snowfall are January and December.

How many days does it snow in Grand Coteau?

In Grand Coteau, Louisiana, during the entire year, snow falls for 0.6 days and aggregates up to 0.12" (3mm) of snow.

What is the most humid month in Grand Coteau?

February is the most humid month in Grand Coteau, Louisiana, with an average relative humidity of 82%.

When it does not snow in Grand Coteau?

In Grand Coteau, Louisiana, snow does not fall in February through November.

What is the driest month in Grand Coteau?

March is the month with the least rainfall. Rain falls for 10.6 days and accumulates 0.59" (15mm) of precipitation.

When is Daylight Saving Time (DST) in Grand Coteau?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 are the longest days in Grand Coteau?

With an average of 14h and 6min of daylight, June has the longest days of the year in Grand Coteau.

What month has the most sunshine in Grand Coteau?

June has the most sunshine of the year in Grand Coteau, Louisiana, with an average of 10.4h of sunshine.

What is the month with the highest UV index in Grand Coteau?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What month is the hottest in Grand Coteau?

July, with an average high of 90.3°F (32.4°C) and a low of 73.6°F (23.1°C), signifies the warmest month of the year in Grand Coteau.

What is the rainiest month in Grand Coteau?

The month with the most rainfall in Grand Coteau is July, when the rain falls for 16.9 days and typically aggregates up to 1.77" (45mm) of precipitation.

What is the least humid month in Grand Coteau?

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

What is the snowiest month in Grand Coteau?

The month with the most snowfall in Grand Coteau is December, when snow falls for 0.1 days and typically aggregates up to 0.08" (2mm) of snow.

What is the month with the shortest days in Grand Coteau?

The month with the shortest days in Grand Coteau is December, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Grand Coteau?

With an average of 4.9h of sunshine, December has the least sunshine of the year.

When is the lowest UV index in Grand Coteau?

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

Average temperature
Grand Coteau, LA

Average temperature - Grand Coteau, LA

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (58.3°F).

The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (43°F).

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Average pressure
Grand Coteau, LA

Average pressure - Grand Coteau, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Grand Coteau, LA

Average wind speed - Grand Coteau, LA

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (5mph).

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Average humidity
Grand Coteau, LA

Average humidity - Grand Coteau, LA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall
Grand Coteau, LA

Average rainfall - Grand Coteau, LA

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is March (0.59").

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Average rainfall days
Grand Coteau, LA

Average rainfall days - Grand Coteau, LA

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (7.1 days).

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Average snowfall
Grand Coteau, LA

Average snowfall - Grand Coteau, LA

The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days
Grand Coteau, LA

Average snowfall days - Grand Coteau, LA

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Grand Coteau, LA

Average daylight / Average sunshine - Grand Coteau, LA

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days
Grand Coteau, LA

Average sunshine days - Grand Coteau, LA

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is August (8.3 days).

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Average visibility
Grand Coteau, LA

Average visibility - Grand Coteau, LA

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

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Grand Coteau, Louisiana, USA

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