Climate and monthly weather forecastUnion, LA
Climate and monthly weather forecast
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 »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
In Union, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.
The only month with snowfall is January.
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.
Throughout the year, there are 0.3 snowfall days, and 0.16" (4mm) of snow is accumulated.
February, September and December, with an average relative humidity of 80%, are most humid months.
In Union, snow does not fall in February through December.
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.
June has the longest days of the year, with an average of 14h and 6min of daylight.
June has the most sunshine of the year, with an average of 10.4h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
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).
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.
With an average relative humidity of 74%, October is the least humid month.
November is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.18" (30mm) of precipitation.
With an average of 10h and 12min of daylight, December has the shortest days of the year in Union.
The month with the least sunshine is December, with an average of 5h of sunshine.
With an average maximum UV index of 3, December is the month with the lowest UV index.
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 in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
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 in January:
7.1mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.9mph
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
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 in January:
1.69" - Average rainfall in February:
1.69" - Average rainfall in March:
1.38" - Average rainfall in April:
2.13" - Average rainfall in May:
2.44" - Average rainfall in June:
2.32"
- Average rainfall in July:
4.25" - Average rainfall in August:
3.62" - Average rainfall in September:
2.01" - Average rainfall in October:
2.17" - Average rainfall in November:
1.18" - Average rainfall in December:
2.05"
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 in January:
9.3 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
21 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
12.5 days
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
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 in January:
0.2 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
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 in January:
10h and 30min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
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).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 0min
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 in January:
19.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
16.9 days - Average sunshine days in May:
15 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
7.9 days - Average sunshine days in September:
9.9 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
16.3 days
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 UV index
Union, LA
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Union, LA
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
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).
