Climate and monthly weather forecastHarahan Junction, LA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Harahan Junction, Louisiana, is another refreshing winter month, with an average temperature varying between 60.4°F (15.8°C) and 47.8°F (8.8°C). January is the coldest month, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 47.8°F (8.8°C). Weather in January »Weather in February
The last month of the winter, February, is a refreshing month in Harahan Junction, Louisiana, with an average temperature varying between 52.5°F (11.4°C) and 64.4°F (18°C). The beginning of February records an average high-temperature of a comfortable 64.4°F (18°C), marking a negligible difference from January's 60.4°F (15.8°C). Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Harahan Junction, Louisiana, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 70.7°F (21.5°C). As Harahan Junction enters March, the average high-temperature marginally increases from the a comfortable 64.4°F (18°C) of February to a pleasant 70.7°F (21.5°C). Weather in March »Weather in April
April in Harahan Junction, Louisiana, is a moderately hot spring month, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 76.6°F (24.8°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from a pleasant 70.7°F (21.5°C) in March to a warm 76.6°F (24.8°C). Weather in April »Weather in May
May, the last month of the spring in Harahan Junction, is also a moderately hot month, with an average temperature varying between 70.9°F (21.6°C) and 82.9°F (28.3°C). The onset of May marks a slight increase in the average high-temperature, moving from a moderately hot 76.6°F (24.8°C) in April to a still warm 82.9°F (28.3°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Harahan Junction, Louisiana, with temperature in the range of an average low of 77°F (25°C) and an average high of 88.3°F (31.3°C). Harahan Junction's transition into June is marked by a minor temperature shift, moving from a moderately hot 82.9°F (28.3°C) in May to a tropical 88.3°F (31.3°C). Weather in June »Weather in July
July, the same as June, in Harahan Junction, Louisiana, is a hot summer month, with an average temperature varying between 78.4°F (25.8°C) and 89.2°F (31.8°C). Harahan Junction's warmest month, July, generally records average temperatures ranging from a high of 89.2°F (31.8°C) to a low of 78.4°F (25.8°C). Throughout July, the heat index is estimated at an extremely hot 107.6°F (42°C). Weather in July »Weather in August
August, the last month of the summer in Harahan Junction, is another tropical month, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 79°F (26.1°C). Harahan Junction's average high-temperature in August sits at a still hot 89.1°F (31.7°C), showing little difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Harahan Junction, Louisiana, with an average temperature varying between 86.5°F (30.3°C) and 75.2°F (24°C). With the arrival of September, Harahan Junction's average high-temperature registers at a still tropical 86.5°F (30.3°C), indicating a subtle variation from the previous month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Harahan Junction, Louisiana, with an average temperature ranging between min 66.6°F (19.2°C) and max 78.4°F (25.8°C). Harahan Junction's weather subtly changes with the onset of October, barely falling from a tropical 86.5°F (30.3°C) in September to a warm 78.4°F (25.8°C). Weather in October »Weather in November
November, the last month of the autumn in Harahan Junction, is another pleasant month, with an average temperature ranging between max 68.9°F (20.5°C) and min 56.5°F (13.6°C). Harahan Junction's average high-temperature decreases in November, falling from a warm 78.4°F (25.8°C) in October to a pleasant 68.9°F (20.5°C). Weather in November »Weather in December
December, the first month of the winter in Harahan Junction, is still a comfortable month, with an average temperature ranging between max 63.3°F (17.4°C) and min 52°F (11.1°C). December marks a gentle change in average high-temperature, declining from November's pleasant 68.9°F (20.5°C) to an enjoyable 63.3°F (17.4°C). Weather in December »Updated: Jun 19, 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
January, recording an average high temperature of 60.4°F (15.8°C) and a low temperature of 47.8°F (8.8°C), is Harahan Junction's coldest month.
Throughout the year, there are 104.1 rainfall days, and 8.39" (213mm) of precipitation is accumulated.
March is the month with the least rainfall. Rain falls for 8.1 days and accumulates 0.39" (10mm) of precipitation.
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.
The months with the highest UV index are May through September, with an average maximum UV index of 7.
June has the longest days of the year, with an average of 14h and 0min of daylight.
The month with the most sunshine is June, with an average of 11h of sunshine.
Harahan Junction's warmest temperatures are experienced in July, with average high temperatures of 89.2°F (31.8°C) and lows of 78.4°F (25.8°C).
The month with the most rainfall is July, when the rain falls for 13.3 days and typically aggregates up to 1.3" (33mm) of precipitation.
With an average relative humidity of 71%, October is the least humid month in Harahan Junction.
The most humid month is December, with an average relative humidity of 78%.
The month with the shortest days is December, with an average of 10h and 18min of daylight.
The month with the least sunshine is December, with an average of 5.1h of sunshine.
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Harahan Junction, LA
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).
Average pressure
Harahan Junction, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"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, August and September (29.97"Hg).
Average wind speed
Harahan Junction, LA
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are February and April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Harahan Junction, LA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harahan Junction, LA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.51" - Average rainfall in March:
0.39" - Average rainfall in April:
0.47" - Average rainfall in May:
0.75" - Average rainfall in June:
0.87"
- Average rainfall in July:
1.3" - Average rainfall in August:
1.14" - Average rainfall in September:
0.43" - Average rainfall in October:
0.87" - Average rainfall in November:
0.51" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.39").
Average rainfall days
Harahan Junction, LA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
5.9 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is November (4.5 days).
Average daylight / Average sunshine
Harahan Junction, 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 0min
- 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 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
10h and 12min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Harahan Junction, LA
- Average sunshine days in January:
23.9 days - Average sunshine days in February:
19.1 days - Average sunshine days in March:
21.7 days - Average sunshine days in April:
22.1 days - Average sunshine days in May:
19.7 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
23.4 days - Average sunshine days in November:
24.6 days - Average sunshine days in December:
21.8 days
The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is August (10.3 days).
Average UV index
Harahan Junction, LA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Harahan Junction, LA
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility
Harahan Junction, LA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
