Climate and monthly weather forecastLeonville, LA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Leonville, Louisiana, with an average temperature varying between 58.3°F (14.6°C) and 43°F (6.1°C). January is the coldest month, with the temperature often reaching an average high of 58.3°F (14.6°C) and an average low of 43°F (6.1°C). Weather in January »Weather in February
The last month of the winter, February, is a refreshing month in Leonville, Louisiana, with an average temperature fluctuating between 63.1°F (17.3°C) and 48°F (8.9°C). The shift into February uncovers an average high-temperature of a comfortable 63.1°F (17.3°C), subtly different from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Leonville, Louisiana, with an average temperature varying between 70.9°F (21.6°C) and 53.4°F (11.9°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from a comfortable 63.1°F (17.3°C) in February to an agreeable 70.9°F (21.6°C). Weather in March »Weather in April
April is a warm spring month in Leonville, Louisiana, with an average temperature varying between 58.6°F (14.8°C) and 77.5°F (25.3°C). In April, the average high-temperature marginally rises from an agreeable 70.9°F (21.6°C) in March to a moderately hot 77.5°F (25.3°C). Weather in April »Weather in May
May, the last month of the spring in Leonville, is also a moderately hot month, with an average temperature ranging between max 84.7°F (29.3°C) and min 66.2°F (19°C). With the onset of May, the average high-temperature subtly transitions from a warm 77.5°F (25.3°C) in April to a still moderately hot 84.7°F (29.3°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Leonville, Louisiana, with temperature in the range of an average high of 89.4°F (31.9°C) and an average low of 72.1°F (22.3°C). As June takes its course, Leonville's average high-temperature registers at a hot 89.4°F (31.9°C), closely aligning with the preceding month. Weather in June »Weather in July
July, the same as June, in Leonville, Louisiana, is another tropical summer month, with an average temperature varying between 73.9°F (23.3°C) and 90.5°F (32.5°C). July and August represent the warmest period, with an average high-temperature of 90.5°F (32.5°C). In July, the average heat index is computed to be a burning hot 114.8°F (46°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Leonville, Louisiana, with an average temperature ranging between max 90.5°F (32.5°C) and min 73.9°F (23.3°C). During July and August, Leonville registers its highest temperatures, averaging a high of 90.5°F (32.5°C). August's mean heat index is computed to be a blazing hot 114.8°F (46°C). Weather in August »Weather in September
September, the first month of the autumn in Leonville, is still a hot month, with an average temperature fluctuating between 69.6°F (20.9°C) and 86.9°F (30.5°C). The unfolding of September shows an average high-temperature of a still hot 86.9°F (30.5°C), indicating a slight variance from August's 90.5°F (32.5°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Leonville, Louisiana, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 60.3°F (15.7°C). October's arrival subtly correlates with a reduction in the average high-temperature, down from a hot 86.9°F (30.5°C) in September to a moderately hot 79.9°F (26.6°C). Weather in October »Weather in November
November, the last month of the autumn in Leonville, is another pleasant month, with temperature in the range of an average high of 68°F (20°C) and an average low of 50.9°F (10.5°C). The arrival of November signals a shift in temperature, down from a warm 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 Leonville, is still a comfortable month, with an average temperature ranging between min 47.1°F (8.4°C) and max 61.5°F (16.4°C). A mild shift in the average high-temperature occurs in December, reducing from a pleasant 68°F (20°C) in November to an enjoyable 61.5°F (16.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Leonville, LA
The warmest months (with the highest average high temperature) are July and August (90.5°F).
The month with the lowest average high temperature is January (58.3°F).
The months with the highest average low temperature are July and August (73.9°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure
Leonville, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.96"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 month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Leonville, LA
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity
Leonville, LA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Leonville, LA
- Average rainfall in January:
2.2" - Average rainfall in February:
1.5" - Average rainfall in March:
1.57" - Average rainfall in April:
1.89" - Average rainfall in May:
1.93" - Average rainfall in June:
2.44"
- Average rainfall in July:
3.15" - Average rainfall in August:
3.19" - Average rainfall in September:
1.73" - Average rainfall in October:
1.73" - Average rainfall in November:
1.46" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days
Leonville, LA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
11 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
18.7 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Leonville, LA
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Leonville, LA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.1 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 days
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, November and December (0 days).
Average daylight / Average sunshine
Leonville, LA
- Average daylight in January:
10h and 24min - 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 18min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 12min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days
Leonville, LA
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
13 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (9.4 days).
Average UV index
Leonville, LA
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Leonville, LA
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility
Leonville, LA
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).





