Climate and monthly weather forecastGalliano, LA
Climate and monthly weather forecast
Weather in January
January, like December, in Galliano, Louisiana, is another enjoyable winter month, with an average temperature fluctuating between 61.5°F (16.4°C) and 49.1°F (9.5°C). Galliano reaches its lowest average temperatures in January, measuring 61.5°F (16.4°C) at the peak and 49.1°F (9.5°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Galliano, is another refreshing month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 65.8°F (18.8°C). The transition from January to February brings an average high-temperature of a still enjoyable 65.8°F (18.8°C), barely different from January's 61.5°F (16.4°C). Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Galliano, Louisiana, with an average temperature fluctuating between 58.5°F (14.7°C) and 71.4°F (21.9°C). As February gives way to March, the average high-temperature displays a slight ascent, adjusting from a refreshing 65.8°F (18.8°C) to a pleasant 71.4°F (21.9°C). Weather in March »Weather in April
April in Galliano, Louisiana, is a warm spring month, with an average temperature fluctuating between 77.4°F (25.2°C) and 64°F (17.8°C). The shift into April is marked by a modest rise in the average high-temperature, moving from March's agreeable 71.4°F (21.9°C) to a warm 77.4°F (25.2°C). Weather in April »Weather in May
May, the last month of the spring in Galliano, is another warm month, with an average temperature varying between 70.5°F (21.4°C) and 83.1°F (28.4°C). May sees a marginal temperature increase, moving from 77.4°F (25.2°C) in April to a still moderately hot 83.1°F (28.4°C). Weather in May »Weather in June
June, the first month of the summer in Galliano, is a hot month, with an average temperature ranging between max 88.2°F (31.2°C) and min 76.6°F (24.8°C). The dawn of June sees an average high-temperature of a hot 88.2°F (31.2°C), subtly contrasting with May's 83.1°F (28.4°C). Weather in June »Weather in July
July, the same as June, in Galliano, Louisiana, is another hot summer month, with an average temperature fluctuating between 77.7°F (25.4°C) and 88.7°F (31.5°C). Entering July, the average high-temperature is recorded at a still hot 88.7°F (31.5°C), exhibiting a minimal shift from June's 88.2°F (31.2°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Galliano, Louisiana, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 78.4°F (25.8°C). August, noted for its average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 78.4°F (25.8°C), is considered the warmest month. The average heat index in August is estimated at a scorching 105.8°F (41°C). Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Galliano, Louisiana, with an average temperature varying between 75.6°F (24.2°C) and 86.4°F (30.2°C). September registers an average high-temperature of a still hot 86.4°F (30.2°C), slightly varied from August's 89.1°F (31.7°C). Weather in September »Weather in October
October, like September, in Galliano, Louisiana, is another warm autumn month, with an average temperature fluctuating between 66.6°F (19.2°C) and 79.7°F (26.5°C). A minor decrease in the average high-temperature is observed during October, shifting from a tropical 86.4°F (30.2°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 Galliano, Louisiana, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 57.2°F (14°C). November's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 79.7°F (26.5°C) in October to a pleasant 70°F (21.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Galliano, Louisiana, with an average temperature ranging between min 52.9°F (11.6°C) and max 64.8°F (18.2°C). In December, Galliano notes an average high-temperature of an enjoyable 64.8°F (18.2°C), hardly different from the preceding month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Galliano, LA
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is January (61.5°F).
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).
Average pressure
Galliano, LA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"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:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed
Galliano, LA
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Galliano, LA
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Galliano, LA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.79" - Average rainfall in March:
0.63" - Average rainfall in April:
0.75" - Average rainfall in May:
1.26" - Average rainfall in June:
1.57"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.76" - Average rainfall in September:
1.3" - Average rainfall in October:
1.61" - Average rainfall in November:
0.94" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days
Galliano, LA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
10.7 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.5 days).
Average daylight / Average sunshine
Galliano, LA
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 36min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - 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 54min - Average sunshine in February:
5h and 36min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 42min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
10h and 6min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days
Galliano, LA
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
19 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (8.4 days).
Average UV index
Galliano, LA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Galliano, LA
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility
Galliano, 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).





