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Monthly climate in Gary, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gary features a oceanic climate (Cfb).Temperatures typically range between 1 °C (35 °F) and 22 °C (72 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1371 mm (54.0 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually.Gary enjoys an average of 3027 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Gary, West Virginia, United States §

The warmest months in Gary are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 5 °C (35 - 41 °F) throughout the day. On average each year, Gary experiences 80 days above 25 °C (77.0 °F) and 79 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gary, West Virginia, 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 21°C
(70°F)		 25°C
(77°F)		 28°C
(82°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(87°F)		 31°C
(88°F)		 24°C
(75°F)		 19°C
(67°F)
Mean maximum 18°C
(64°F)		 21°C
(70°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(82°F)		 22°C
(73°F)		 18°C
(64°F)
Average high 6°C
(43°F)		 10°C
(50°F)		 13°C
(55°F)		 18°C
(64°F)		 22°C
(71°F)		 25°C
(77°F)		 27°C
(82°F)		 26°C
(80°F)		 24°C
(76°F)		 19°C
(67°F)		 12°C
(54°F)		 9°C
(48°F)
Daily mean 1°C
(35°F)		 5°C
(41°F)		 7°C
(45°F)		 12°C
(53°F)		 17°C
(62°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(71°F)		 19°C
(67°F)		 14°C
(57°F)		 6°C
(43°F)		 4°C
(39°F)
Average low -2°C
(28°F)		 -0°C
(32°F)		 2°C
(36°F)		 6°C
(44°F)		 12°C
(54°F)		 16°C
(60°F)		 18°C
(64°F)		 17°C
(63°F)		 15°C
(59°F)		 9°C
(49°F)		 1°C
(34°F)		 -0°C
(32°F)
Mean minimum -16°C
(3°F)		 -13°C
(9°F)		 -9°C
(16°F)		 -4°C
(26°F)		 2°C
(37°F)		 10°C
(50°F)		 12°C
(54°F)		 12°C
(55°F)		 8°C
(46°F)		 -1°C
(31°F)		 -7°C
(19°F)		 -12°C
(11°F)
Minimum -19°C
(-3°F)		 -19°C
(-3°F)		 -12°C
(10°F)		 -5°C
(22°F)		 -1°C
(30°F)		 8°C
(46°F)		 11°C
(52°F)		 11°C
(51°F)		 4°C
(39°F)		 -3°C
(27°F)		 -13°C
(9°F)		 -16°C
(3°F)

Compare climate in Gary with other places

Compare temperature, precipitation, sunshine, UV index in Gary, West Virginia, United States with other places around the world.

Monthly average precipitation in Gary, West Virginia, United States §

Gary usually has the most precipitation in February, May and June, with an average of 15 rainy days and 143 mm (5.6 inches) of precipitation per month.The driest months in Gary are January, July and November. On average, 85 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gary, West Virginia, 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) 96 (3.8) 151 (6.0) 119 (4.7) 131 (5.1) 138 (5.4) 139 (5.5) 83 (3.3) 97 (3.8) 97 (3.8) 124 (4.9) 77 (3.0) 118 (4.7)
Average precipitation days (≥ 1 mm) 14 15 15 14 16 15 14 14 11 11 10 12

Monthly sunshine hours in Gary, West Virginia, United States §

The sunniest months in Gary are June, July and August, when the sun shines an average of 10 hours 46 minutes a day.Least sunny months in Gary: January, February and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gary, West Virginia, 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 138 167 239 253 301 313 354 323 285 260 221 168
Mean daily daylight hours 9h 55m 10h 49m 11h 59m 13h 10m 14h 10m 14h 39m 14h 23m 13h 30m 12h 22m 11h 11m 10h 9m 9h 38m

Solar UV radiation in Gary, West Virginia, United States §

Gary experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Gary UV Index data.

Average daily maximum UV levels by month for Gary, West Virginia, 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 6 8 10 11 11 11 10 9 7 5 3