Climate and monthly weather forecast
Union, LA

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Weather in January

January, like December, is a moderate winter month in Union, Louisiana, with an average temperature varying between 44.2°F (6.8°C) and 60.1°F (15.6°C). January, noted for its average high-temperature of 60.1°F (15.6°C) and an average low-temperature of 44.2°F (6.8°C), is considered the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a comfortable month in Union, Louisiana, with an average temperature fluctuating between 64.9°F (18.3°C) and 49.1°F (9.5°C). The beginning of February reveals an average high-temperature of a still refreshing 64.9°F (18.3°C), showing minimal deviation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Union, is an agreeable month, with an average temperature fluctuating between 72.3°F (22.4°C) and 53.8°F (12.1°C). March brings a slight elevation in the average high-temperature, transitioning from February's comfortable 64.9°F (18.3°C) to a pleasant 72.3°F (22.4°C). Weather in March »

Weather in April

April is a warm spring month in Union, Louisiana, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 78.6°F (25.9°C). With the onset of April, Union observes a minor temperature ascent, with the average high-temperature adjusting from March's agreeable 72.3°F (22.4°C) to a warm 78.6°F (25.9°C). Weather in April »

Weather in May

May, the last month of the spring in Union, is also a moderately hot month, with an average temperature varying between 66.2°F (19°C) and 84.7°F (29.3°C). As Union, Louisiana, welcomes May, the average high-temperature sees a modest rise, transitioning from a moderately hot 78.6°F (25.9°C) in April to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Union, Louisiana, with an average temperature varying between 72.5°F (22.5°C) and 89.6°F (32°C). Union's June average high-temperature settles at a hot 89.6°F (32°C), showing a near match with the preceding month. Weather in June »

Weather in July

July, like June, is another tropical summer month in Union, Louisiana, with an average temperature ranging between max 90.3°F (32.4°C) and min 74.1°F (23.4°C). July is the warmest month of the year, registering average temperatures as high as 90.3°F (32.4°C) and as low as 74.1°F (23.4°C). During July, the heat index is appraised at a blazing hot 113°F (45°C). Weather in July »

Weather in August

August, the last month of the summer in Union, is another tropical month, with temperature in the range of an average low of 74.8°F (23.8°C) and an average high of 90.1°F (32.3°C). August brings an average high-temperature of a still tropical 90.1°F (32.3°C), showing a slight difference from July's 90.3°F (32.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Union, is still a tropical month, with an average temperature fluctuating between 70.5°F (21.4°C) and 87.3°F (30.7°C). September's beginning signals an average high-temperature of a still hot 87.3°F (30.7°C), barely different from August's 90.1°F (32.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Union, Louisiana, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 61°F (16.1°C). With the beginning of October, the average high-temperature shows a small decrease, transitioning from a hot 87.3°F (30.7°C) in September to a warm 79.7°F (26.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Union, Louisiana, with an average temperature fluctuating between 68.9°F (20.5°C) and 51.4°F (10.8°C). November involves a decrease in temperature, down from a moderately hot 79.7°F (26.5°C) in October to a pleasant 68.9°F (20.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Union, Louisiana, with an average temperature varying between 62.6°F (17°C) and 48°F (8.9°C). The move into December indicates a slight reduction in the average high-temperature, down from November's agreeable 68.9°F (20.5°C) to an enjoyable 62.6°F (17°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Union?

January is the month when Union experiences its coldest temperatures, averaging a high of 60.1°F (15.6°C) and a low of 44.2°F (6.8°C).

How many days does it rain in Union?

Throughout the year, in Union, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

When does it snow in Union?

The only month with snowfall is January.

When does it snow the most in Union?

The month with the most snowfall is January, when snow falls for 0.2 days and typically aggregates up to 0.16" (4mm) of snow.

How many days does it snow in Union?

Throughout the year, in Union, there are 0.3 snowfall days, and 0.16" (4mm) of snow is accumulated.

What is the most humid month in Union?

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

When it does not snow in Union?

February through December are months without snowfall.

When is Daylight Saving Time (DST) in Union?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Union, 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 Union?

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

What month has the most sunshine in Union?

June has the most sunshine of the year, with an average of 10.4h of sunshine.

What are the months with the highest UV index in Union?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Union.

What month is the hottest in Union?

July tends to be the warmest month in Union, with temperatures averaging a daily high of 90.3°F (32.4°C) and a low of 74.1°F (23.4°C).

What is the wettest month in Union?

The month with the most rainfall is July, when the rain falls for 21.3 days and typically aggregates up to 4.25" (108mm) of precipitation.

What is the least humid month in Union?

With an average relative humidity of 74%, October is the least humid month.

What is the driest month in Union?

The month with the least rainfall is November, when the rain falls for 8.1 days and typically collects 1.18" (30mm) of precipitation.

What is the month with the shortest days in Union?

December has the shortest days of the year in Union, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Union?

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

What is the month with the lowest UV index in Union?

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

Average temperature
Union, LA

Average temperature - Union, 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 (60.1°F).

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure
Union, LA

Average pressure - Union, LA

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

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Average wind speed
Union, LA

Average wind speed - Union, LA

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Union, LA

Average humidity - Union, LA

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Union, LA

Average rainfall - Union, LA

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

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Average rainfall days
Union, LA

Average rainfall days - Union, LA

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall
Union, LA

Average snowfall - Union, LA

The month with the highest snowfall is January (0.16").
The 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
Union, LA

Average snowfall days - Union, LA

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

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Average daylight / Average sunshine
Union, LA

Average daylight / Average sunshine - Union, 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: 5h and 0min).

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Average sunshine days
Union, LA

Average sunshine days - Union, LA

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

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Average visibility
Union, LA

Average visibility - Union, LA

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

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Union, Louisiana, USA

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