Climate and monthly weather forecast
Zachary, LA

Weather in January

January, like December, is another mild winter month in Zachary, Louisiana, with an average temperature fluctuating between 58.3°F (14.6°C) and 41.9°F (5.5°C). With an average high-temperature of 58.3°F (14.6°C) and an average low-temperature of 41.9°F (5.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Zachary, is a comfortable month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 46.9°F (8.3°C). In February, the average high-temperature is practically the same as in January - an enjoyable 63°F (17.2°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Zachary, Louisiana, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 71.1°F (21.7°C). In Zachary, Louisiana, the average high-temperature in March marginally rises from an enjoyable 63°F (17.2°C) in February to a pleasant 71.1°F (21.7°C). Weather in March »

Weather in April

April in Zachary, Louisiana, is a warm spring month, with an average temperature fluctuating between 57.7°F (14.3°C) and 78.3°F (25.7°C). In Zachary, the average high-temperature in April slightly increases from an agreeable 71.1°F (21.7°C) in March to a moderately hot 78.3°F (25.7°C). Weather in April »

Weather in May

May, the last month of the spring in Zachary, is also a moderately hot month, with an average temperature fluctuating between 84.7°F (29.3°C) and 64.9°F (18.3°C). In May, the average high-temperature marginally rises from 78.3°F (25.7°C) in April to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Zachary, is a hot month, with an average temperature ranging between min 71.2°F (21.8°C) and max 91°F (32.8°C). In Zachary, the average high-temperature in June marginally rises from a moderately hot 84.7°F (29.3°C) in May to a tropical 91°F (32.8°C). Weather in June »

Weather in July

July, the same as June, in Zachary, Louisiana, is a hot summer month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 73.2°F (22.9°C). July is the warmest month, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 73.2°F (22.9°C). In July, the average heat index is calculated to be a life-threatening hot 118.9°F (48.3°C). Weather in July »

Weather in August

August, the last month of the summer in Zachary, is another hot month, with an average temperature ranging between min 73.4°F (23°C) and max 91.8°F (33.2°C). In August, the average high-temperature is essentially the same as in July - a still tropical 91.8°F (33.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Zachary, is also a hot month, with an average temperature ranging between min 69.3°F (20.7°C) and max 87.8°F (31°C). In Zachary, the average high-temperature in September is essentially the same as in August - a still hot 87.8°F (31°C). Weather in September »

Weather in October

October, like September, in Zachary, Louisiana, is another warm autumn month, with an average temperature fluctuating between 59.7°F (15.4°C) and 79.9°F (26.6°C). In October, the average high-temperature marginally drops from a tropical 87.8°F (31°C) in September to a moderately hot 79.9°F (26.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Zachary, Louisiana, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 68°F (20°C). In Zachary, the average high-temperature in November drops from a moderately hot 79.9°F (26.6°C) in October to an agreeable 68°F (20°C). Weather in November »

Weather in December

December, the first month of the winter in Zachary, is still a mild month, with an average temperature ranging between max 60.6°F (15.9°C) and min 45.9°F (7.7°C). In Zachary, the average high-temperature in December marginally drops from an agreeable 68°F (20°C) in November to a moderate 60.6°F (15.9°C). Weather in December »
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FAQ

What is the coldest month in Zachary?

January is the coldest month, with an average high-temperature of 58.3°F (14.6°C) and an average low-temperature of 41.9°F (5.5°C).

How much does it rain in Zachary?

In Zachary, during the entire year, the rain falls for 175 days and collects up to 28.74" (730mm) of precipitation.

When does it snow in Zachary?

Months with snowfall in Zachary, Louisiana, are January and December.

When does it snow the most in Zachary?

The months with the most snowfall in Zachary are January and December, with an average 0.2" (5mm) of accumulated snow.

How much does it snow in Zachary?

In Zachary, during the entire year, snow falls for 0.5 days and aggregates up to 0.39" (10mm) of snow.

When is the lowest UV index in Zachary?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Zachary, Louisiana.

What is the most humid month in Zachary?

The months with the highest humidity in Zachary are February and December, with an average relative humidity of 82%.

When it does not snow in Zachary?

In Zachary, snow does not fall in February through November.

When is Daylight Saving Time (DST) in Zachary?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Zachary, Louisiana, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When is the highest UV index in Zachary?

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

When are the longest days in Zachary?

June has the longest days of the year, with an average of 14h and 6min of daylight.

What month has the most sunshine in Zachary?

With an average of 10.2h of sunshine, June has the most sunshine of the year in Zachary.

What is the warmest month in Zachary?

The warmest month in Zachary is July, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 73.2°F (22.9°C).

What is the rainiest month in Zachary?

August is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.66" (93mm) of precipitation.

What is the least humid month in Zachary?

October is the least humid month in Zachary, with an average relative humidity of 72%.

What is the driest month in Zachary?

The month with the least rainfall is November, when the rain falls for 8.5 days and typically collects 1.5" (38mm) of precipitation.

What is the month with the shortest days in Zachary?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Zachary, Louisiana.

What is the month with the least sunshine in Zachary?

December has the least sunshine of the year, with an average of 5h of sunshine.

Average temperature
Zachary, LA

Average temperature - Zachary, LA

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

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Average pressure
Zachary, LA

Average pressure - Zachary, LA

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed
Zachary, LA

Average wind speed - Zachary, LA

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

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Average humidity
Zachary, LA

Average humidity - Zachary, LA

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
Zachary, LA

Average rainfall - Zachary, LA

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days
Zachary, LA

Average rainfall days - Zachary, LA

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall
Zachary, LA

Average snowfall - Zachary, LA

The months with the highest snowfall are January and December (0.2").
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
Zachary, LA

Average snowfall days - Zachary, LA

The month with the highest number of snowfall days is January (0.3 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
Zachary, LA

Average daylight / Average sunshine - Zachary, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days
Zachary, LA

Average sunshine days - Zachary, LA

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).

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Average visibility
Zachary, LA

Average visibility - Zachary, LA

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

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