Best year time to visit Grayson County

General weather information about Grayson County

Average annual temperature is 14.6 °C

Absolute maximum temperature: 36.2 °C

Absolute minimum temperature: -7.1 °C

Number of sunny days: 189 days

Number of rainy days: 174 days

Number of snow days: 2 days

Look at detailed online map of Grayson County

* Weather data for Grayson County United States is based on climate observations for 2026 year

Grayson County air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	18.8	22.9	25.2	27.8	29.2	33.4	35.8	36.2	32.1	29.5	25.5	17.5
Average daytime temperature (°C)	10.2	13.8	14.4	20.0	24.3	28.8	30.9	29.5	27.6	20.9	14.8	10.8
Average temperature (°C)	5.8	7.5	8.2	13.4	18.2	22.1	25.0	23.9	21.3	15.4	8.9	5.7
Average night temperature (°C)	2.5	3.2	3.3	7.8	12.8	16.3	20.2	19.3	16.0	11.2	4.5	2.1
Absolute minimum temperature (°C)	-5.5	-6.9	-7.1	0.5	4.6	10.7	16.1	13.8	12.1	-1.6	-4.6	-6.4

Grayson County 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	12.0	11.0	10.0	9.0
Daylight mean duration (h)	9.9	10.8	12.0	13.2	14.2	14.7	14.5	13.6	12.4	11.2	10.2	9.6
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	7.2	7.8	9.6	10.4	11.2	11.3	10.5	10.6	7.5	7.6	6.1
Precipitation (mm)	134	103	180	100	60	95	103	87	9	85	57	99
Sunny days	11	15	16	17	18	16	10	13	16	19	22	16
Rainy days	19	13	14	13	13	14	21	18	14	12	8	15
Snow days	1	0	1	0	0	0	0	0	0	0	0	0

Grayson County - weather forecast by months

Grayson County weather in january Grayson County weather in february Grayson County weather in march Grayson County weather in april Grayson County weather in may Grayson County weather in june Grayson County weather in july Grayson County weather in august Grayson County weather in september Grayson County weather in october Grayson County weather in november Grayson County weather in december

Best time to visit Grayson County:

The best time to visit Grayson County during the most sunny months:

June — 11.2(h)
July — 11.3(h)

The largest precipitation sum in Grayson County is at

January — 134(mm)

March — 180(mm)

Weather forecast in the closest to Grayson County admin centers