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Monthly climate in Kilmarnock, Virginia, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Kilmarnock features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (40 °F) and 27 °C (81 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 1291 mm (50.8 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Kilmarnock enjoys an average of 3213 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Kilmarnock, Virginia, United States §

The warmest months in Kilmarnock are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 45 °F) throughout the day. On average each year, Kilmarnock experiences 114 days above 25 °C (77.0 °F) and 32 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kilmarnock, 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)		 23°C
(75°F)		 28°C
(84°F)		 31°C
(88°F)		 35°C
(96°F)		 35°C
(95°F)		 38°C
(100°F)		 35°C
(95°F)		 35°C
(94°F)		 35°C
(95°F)		 26°C
(79°F)		 21°C
(70°F)
Mean maximum 19°C
(66°F)		 20°C
(69°F)		 26°C
(78°F)		 28°C
(83°F)		 33°C
(91°F)		 34°C
(93°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 30°C
(87°F)		 24°C
(76°F)		 20°C
(67°F)
Average high 8°C
(47°F)		 11°C
(52°F)		 14°C
(57°F)		 19°C
(67°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(89°F)		 30°C
(86°F)		 27°C
(81°F)		 22°C
(72°F)		 15°C
(59°F)		 11°C
(52°F)
Daily mean 4°C
(40°F)		 7°C
(44°F)		 9°C
(49°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(51°F)		 7°C
(45°F)
Average low 1°C
(34°F)		 3°C
(37°F)		 5°C
(42°F)		 10°C
(51°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(44°F)		 3°C
(38°F)
Mean minimum -8°C
(18°F)		 -6°C
(22°F)		 -3°C
(27°F)		 3°C
(38°F)		 8°C
(47°F)		 16°C
(61°F)		 20°C
(67°F)		 19°C
(66°F)		 14°C
(57°F)		 7°C
(45°F)		 -1°C
(31°F)		 -4°C
(26°F)
Minimum -13°C
(9°F)		 -8°C
(17°F)		 -4°C
(25°F)		 1°C
(33°F)		 5°C
(41°F)		 13°C
(56°F)		 17°C
(63°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(40°F)		 -2°C
(28°F)		 -7°C
(19°F)

Compare climate in Kilmarnock with other places

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

Monthly average precipitation in Kilmarnock, Virginia, United States §

Kilmarnock usually has the most precipitation in July, August and October, with an average of 12 rainy days and 140 mm (5.5 inches) of precipitation per month. The driest months in Kilmarnock are January, March and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kilmarnock, 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) 76 (3.0) 105 (4.1) 92 (3.6) 97 (3.8) 100 (3.9) 109 (4.3) 133 (5.2) 158 (6.2) 117 (4.6) 129 (5.1) 79 (3.1) 96 (3.8)
Average precipitation days (≥ 1 mm) 8 11 9 10 11 13 13 15 11 9 8 10

Monthly sunshine hours in Kilmarnock, Virginia, United States §

The sunniest months in Kilmarnock are June, July and August, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in Kilmarnock: January, February and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kilmarnock, 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 162 183 264 290 315 334 357 330 291 262 225 194
Mean daily daylight hours 9h 52m 10h 48m 11h 58m 13h 11m 14h 13m 14h 43m 14h 26m 13h 32m 12h 22m 11h 10m 10h 7m 9h 34m

Solar UV radiation in Kilmarnock, Virginia, United States §

Kilmarnock experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February 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 Kilmarnock UV Index data.

Average daily maximum UV levels by month for Kilmarnock, 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) 3 5 7 9 10 10 10 10 8 7 5 3

Detailed Monthly Weather Insights for Kilmarnock, Virginia, United States

Discover in-depth weather details for every month in Kilmarnock. 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 Kilmarnock'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.