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Monthly climate in Brilliant, Alabama, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Brilliant features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 27 °C (80 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1604 mm (63.1 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. Brilliant enjoys an average of 3023 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Brilliant, Alabama, United States §

The warmest months in Brilliant are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (45 - 50 °F) throughout the day. On average each year, Brilliant experiences 149 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brilliant, Alabama, 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 25°C
(77°F)		 27°C
(80°F)		 30°C
(86°F)		 30°C
(87°F)		 35°C
(95°F)		 34°C
(93°F)		 37°C
(98°F)		 36°C
(98°F)		 37°C
(98°F)		 37°C
(99°F)		 26°C
(79°F)		 24°C
(75°F)
Mean maximum 22°C
(72°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(84°F)		 33°C
(92°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(89°F)		 24°C
(76°F)		 22°C
(72°F)
Average high 12°C
(54°F)		 16°C
(60°F)		 20°C
(68°F)		 23°C
(73°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(86°F)		 25°C
(76°F)		 17°C
(63°F)		 14°C
(58°F)
Daily mean 7°C
(45°F)		 10°C
(50°F)		 14°C
(57°F)		 17°C
(62°F)		 22°C
(72°F)		 25°C
(77°F)		 27°C
(80°F)		 26°C
(80°F)		 24°C
(76°F)		 19°C
(66°F)		 11°C
(52°F)		 9°C
(49°F)
Average low 3°C
(37°F)		 5°C
(41°F)		 9°C
(48°F)		 11°C
(52°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(73°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(57°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -7°C
(19°F)		 -5°C
(24°F)		 -2°C
(29°F)		 2°C
(35°F)		 9°C
(48°F)		 16°C
(61°F)		 19°C
(67°F)		 18°C
(65°F)		 13°C
(57°F)		 4°C
(40°F)		 -3°C
(27°F)		 -4°C
(25°F)
Minimum -14°C
(7°F)		 -11°C
(12°F)		 -4°C
(25°F)		 -0°C
(32°F)		 5°C
(42°F)		 13°C
(56°F)		 18°C
(64°F)		 16°C
(61°F)		 11°C
(51°F)		 2°C
(36°F)		 -7°C
(20°F)		 -6°C
(21°F)

Compare climate in Brilliant with other places

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

Monthly average precipitation in Brilliant, Alabama, United States §

Brilliant usually has the most precipitation in February, March and April, with an average of 12 rainy days and 180 mm (7.1 inches) of precipitation per month. The driest months in Brilliant are September, October and November. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brilliant, Alabama, 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) 121 (4.8) 195 (7.7) 175 (6.9) 171 (6.7) 122 (4.8) 144 (5.7) 112 (4.4) 126 (5.0) 98 (3.9) 111 (4.4) 73 (2.9) 155 (6.1)
Average precipitation days (≥ 1 mm) 9 15 13 10 11 15 17 13 8 9 9 12

Monthly sunshine hours in Brilliant, Alabama, United States §

The sunniest months in Brilliant are June, July and August, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Brilliant: January, February and December receive an average of 5 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brilliant, Alabama, 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 155 164 221 272 302 304 325 310 285 267 235 178
Mean daily daylight hours 10h 9m 10h 57m 11h 59m 13h 3m 13h 56m 14h 22m 14h 8m 13h 20m 12h 20m 11h 17m 10h 22m 9h 54m

Solar UV radiation in Brilliant, Alabama, United States §

Brilliant experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Brilliant UV Index data.

Average daily maximum UV levels by month for Brilliant, Alabama, 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) 4 7 8 10 11 11 11 11 9 7 5 4

Detailed Monthly Weather Insights for Brilliant, Alabama, United States

Discover in-depth weather details for every month in Brilliant. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Brilliant's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.