Kilmarnock, VA

Climate overview — based on NOAA 1991-2020 normals from N, VA US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Kilmarnock has an annual average temperature of 57.6°F with about 51.9 inches of precipitation per year and 8.5 inches of snow. The warmest month is July (average high 84.8°F), and the coldest is January (average low 29.4°F). July is typically the wettest month (5.82 in) and February the driest (2.92 in). Snow typically falls from December through April.

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
39.3°F
warmest to coldest month
Heating need
3,756
Cooling need
1,089

Best time to visit Kilmarnock

Full guide →

Climate change signal

All-time records →

152 of 366 (41.5%) of Kilmarnock's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2000s
151
2010s
117
2020s
98

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 46.9°F 29.4°F 38.1°F 4.03 in 4.2 in 8
February 49.1°F 30.2°F 39.6°F 2.92 in 2.3 in 8
March 55.6°F 36.1°F 45.8°F 3.93 in 0.3 in 9
April 65.6°F 45.9°F 55.7°F 3.94 in 0.3 in 9
May 73.3°F 56.0°F 64.6°F 4.36 in 9
June 81.0°F 64.7°F 72.8°F 4.49 in 10
July 84.8°F 70.0°F 77.4°F 5.82 in 10
August 83.2°F 68.3°F 75.7°F 5.52 in 9
September 78.3°F 62.6°F 70.4°F 5.05 in 8
October 68.7°F 50.7°F 59.7°F 4.72 in 8
November 58.9°F 39.9°F 49.4°F 3.26 in 7
December 51.2°F 32.5°F 41.9°F 3.90 in 1.4 in 8

Climate twins of Kilmarnock

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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