Best year time to visit Mount Vernon

General weather information about Mount Vernon

Average annual temperature is 14.9 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -10.4 °C

Number of sunny days: 200 days

Number of rainy days: 158 days

Number of snow days: 7 days

Look at detailed online map of Mount Vernon

* Weather data for Mount Vernon United States is based on climate observations for 2026 year

Mount Vernon air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	19.7	21.7	25.2	27.7	32.3	35.6	36.9	37.7	32.4	30.0	25.7	17.5
Average daytime temperature (°C)	8.6	11.9	13.4	20.7	25.7	30.4	31.8	30.2	27.5	20.7	14.3	10.3
Average temperature (°C)	4.2	5.9	7.5	13.9	19.5	23.9	26.2	24.8	21.8	15.6	8.8	5.8
Average night temperature (°C)	1.0	1.7	2.8	8.3	14.2	18.2	21.4	20.4	16.8	11.4	4.5	2.7
Absolute minimum temperature (°C)	-10.4	-10.3	-6.6	1.1	6.6	13.6	17.5	14.4	12.4	-2.3	-5.0	-6.0

Mount Vernon monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	10.0	11.0	12.0	13.0	14.0	14.0	14.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.8	10.8	12.0	13.2	14.3	14.8	14.5	13.6	12.4	11.2	10.1	9.5
Daylight minimum duration (h)	9.0	10.0	11.0	12.0	13.0	14.0	14.0	13.0	11.0	10.0	9.0	9.0
Sunshine mean duration (h)	4.9	7.6	7.1	10.2	10.8	12.6	11.9	10.4	10.3	7.5	7.8	5.9
Precipitation (mm)	136	69	233	101	52	57	57	136	44	72	22	76
Sunny days	11	17	13	16	19	16	8	18	19	22	24	17
Rainy days	15	10	17	14	12	14	23	13	11	9	6	14
Snow days	5	1	1	0	0	0	0	0	0	0	0	0

Mount Vernon - weather forecast by months

Mount Vernon weather in january Mount Vernon weather in february Mount Vernon weather in march Mount Vernon weather in april Mount Vernon weather in may Mount Vernon weather in june Mount Vernon weather in july Mount Vernon weather in august Mount Vernon weather in september Mount Vernon weather in october Mount Vernon weather in november Mount Vernon weather in december

Best time to visit Mount Vernon:

The best time to visit Mount Vernon during the most sunny months:

June — 12.6(h)
July — 11.9(h)

The largest precipitation sum in Mount Vernon is at

January — 136(mm)

March — 233(mm)

August — 136(mm)

Weather forecast in the closest to Mount Vernon admin centers