Climate and monthly weather forecast
Union, LA

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Weather in January

January, like December, is another mild winter month in Union, Louisiana, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 60.1°F (15.6°C). Union's January weather reaches an average high of 60.1°F (15.6°C) and an average low of 44.2°F (6.8°C), making it the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Union, is a comfortable month, with an average temperature varying between 64.9°F (18.3°C) and 49.1°F (9.5°C). The transition from January to February brings an average high-temperature of an enjoyable 64.9°F (18.3°C), barely different from January's 60.1°F (15.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Union, Louisiana, with an average temperature fluctuating between 53.8°F (12.1°C) and 72.3°F (22.4°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a refreshing 64.9°F (18.3°C) in February to an agreeable 72.3°F (22.4°C). Weather in March »

Weather in April

April in Union, Louisiana, is a warm spring month, with an average temperature varying between 59.4°F (15.2°C) and 78.6°F (25.9°C). With the beginning of April, Union's average high-temperature sees a minor increase, transitioning from a pleasant 72.3°F (22.4°C) in March to a moderately hot 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). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a warm 78.6°F (25.9°C) in April to a still moderately hot 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Union, is a tropical month, with an average temperature ranging between min 72.5°F (22.5°C) and max 89.6°F (32°C). Union marks the arrival of June with an average high-temperature of a hot 89.6°F (32°C), hardly different from May's 84.7°F (29.3°C). Weather in June »

Weather in July

July, the same as June, in Union, Louisiana, is a hot summer month, with an average temperature ranging between min 74.1°F (23.4°C) and max 90.3°F (32.4°C). July stands out as Union's warmest month, with an average high-temperature of 90.3°F (32.4°C) and a low-temperature of 74.1°F (23.4°C). During July, the heat index is calculated to be a life-threatening hot 113°F (45°C). Weather in July »

Weather in August

August, the last month of the summer in Union, is also a hot month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 74.8°F (23.8°C). The shift into August records an average high-temperature of a still tropical 90.1°F (32.3°C), subtly varied 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 also a hot month, with an average temperature varying between 87.3°F (30.7°C) and 70.5°F (21.4°C). Union's September reports an average high-temperature of a still hot 87.3°F (30.7°C), exhibiting a minor difference from August. 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 low of 61°F (16.1°C) and an average high of 79.7°F (26.5°C). A subtle shift in Union's weather is observed as September turns into October, with the average high temperature reducing from a hot 87.3°F (30.7°C) to a moderately hot 79.7°F (26.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Union, is another pleasant month, with an average temperature fluctuating between 68.9°F (20.5°C) and 51.4°F (10.8°C). During Union's transition into November, the average high-temperature lessens, moving from a warm 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 also an enjoyable month in Union, Louisiana, with an average temperature varying between 48°F (8.9°C) and 62.6°F (17°C). A minor decrease in the average high-temperature is observed during December, shifting from an agreeable 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). Weather in December »

Frequently asked questions

What is the coldest month?

Union's January weather reaches an average high of 60.1°F (15.6°C) and an average low of 44.2°F (6.8°C), making it the coldest month.

How much does it rain?

In Union, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.

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 0.2 days and typically aggregates up to 0.16" (4mm) of snow.

How much does it snow?

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

What are the most humid months in Union?

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

When it does not snow?

In Union, snow does not fall in February through December.

When is Daylight Saving Time (DST)?

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?

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

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 is the month with the highest UV index?

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

What are the warmest months in Union?

July is the month when Union's temperatures reach their peak, with averages of 90.3°F (32.4°C) and lows of 74.1°F (23.4°C).

What is the wettest month?

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?

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

What is the driest month?

November is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.18" (30mm) of precipitation.

What is the month with the shortest days?

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

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

When is the lowest UV index?

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

Union, Louisiana, USA

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