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Monthly climate in Galliano, Louisiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Galliano features a humid subtropical climate (Cfa).Temperatures typically range between 13 °C (56 °F) and 28 °C (83 °F) through the year, but rarely can drop to -4 °C (24 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1704 mm (67.1 inches) and receives 172 rainy days on the 1 mm (0.04 inches) threshold annually.Galliano enjoys an average of 3249 hours of sunshine throughout the year, and daylight varies from 10 hours 16 minutes to 13 hours 59 minutes per day.

Monthly average temperatures in Galliano, Louisiana, United States §

The warmest months in Galliano are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 16 °C (56 - 61 °F) throughout the day. On average each year, Galliano experiences 180 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Galliano, Louisiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 27°C
(81°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(87°F)		 33°C
(92°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(93°F)		 35°C
(94°F)		 32°C
(89°F)		 27°C
(82°F)		 27°C
(80°F)
Mean maximum 24°C
(76°F)		 26°C
(78°F)		 27°C
(81°F)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(90°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(87°F)		 27°C
(80°F)		 25°C
(78°F)
Average high 17°C
(63°F)		 20°C
(68°F)		 22°C
(73°F)		 24°C
(76°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 27°C
(81°F)		 21°C
(70°F)		 19°C
(66°F)
Daily mean 13°C
(56°F)		 16°C
(61°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(75°F)		 17°C
(63°F)		 15°C
(60°F)
Average low 10°C
(50°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(70°F)		 14°C
(57°F)		 12°C
(54°F)
Mean minimum 1°C
(34°F)		 4°C
(40°F)		 7°C
(44°F)		 11°C
(51°F)		 17°C
(64°F)		 22°C
(72°F)		 24°C
(76°F)		 24°C
(76°F)		 20°C
(68°F)		 12°C
(54°F)		 6°C
(43°F)		 4°C
(39°F)
Minimum -4°C
(24°F)		 -4°C
(25°F)		 3°C
(38°F)		 9°C
(49°F)		 14°C
(57°F)		 21°C
(69°F)		 24°C
(76°F)		 23°C
(74°F)		 17°C
(63°F)		 7°C
(45°F)		 2°C
(36°F)		 2°C
(35°F)

Compare climate in Galliano with other places

Compare temperature, precipitation, sunshine, UV index in Galliano, Louisiana, United States with other places around the world.

Monthly average precipitation in Galliano, Louisiana, United States §

Galliano usually has the most precipitation in June, July and August, with an average of 24 rainy days and 248 mm (9.8 inches) of precipitation per month.The driest months in Galliano are February, March and November. On average, 74 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Galliano, Louisiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 89 (3.5) 87 (3.4) 80 (3.2) 105 (4.2) 134 (5.3) 213 (8.4) 250 (9.8) 280 (11.0) 174 (6.8) 137 (5.4) 56 (2.2) 97 (3.8)
Average precipitation days (≥ 1 mm) 7 12 10 11 13 20 25 27 18 13 7 9

Monthly sunshine hours in Galliano, Louisiana, United States §

The sunniest months in Galliano are May, July and August, when the sun shines an average of 10 hours 6 minutes a day.Least sunny months in Galliano: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Galliano, Louisiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 183 204 276 284 325 303 308 305 282 288 260 227
Mean daily daylight hours 10h 28m 11h 8m 12h 0m 12h 53m 13h 38m 13h 59m 13h 47m 13h 8m 12h 17m 11h 24m 10h 39m 10h 16m

Solar UV radiation in Galliano, Louisiana, United States §

Galliano experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Galliano UV Index data.

Average daily maximum UV levels by month for Galliano, Louisiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 8 9 11 11 12 12 12 10 9 6 5