Best year time to visit Mill Plain

General weather information about Mill Plain

Average annual temperature is 11.5 °C

Absolute maximum temperature: 41.1 °C

Absolute minimum temperature: -11.1 °C

Number of sunny days: 163 days

Number of rainy days: 201 days

Number of snow days: 1 day

Look at detailed online map of Mill Plain

* Weather data for Mill Plain United States is based on climate observations for 2026 year

Mill Plain air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	11.1	12.6	17.4	26.7	31.1	31.9	35.5	41.1	33.4	26.4	16.2	14.2
Average daytime temperature (°C)	7.5	7.3	9.8	13.2	22.4	24.5	29.6	30.9	23.5	17.7	11.3	9.6
Average temperature (°C)	4.6	3.1	4.8	8.1	15.1	16.2	20.4	21.9	16.4	12.4	7.3	6.7
Average night temperature (°C)	2.5	0.2	1.6	4.6	9.6	10.0	13.0	15.0	11.2	8.9	4.4	4.7
Absolute minimum temperature (°C)	-5.8	-11.1	-4.2	-0.3	5.0	6.2	10.3	9.1	6.0	0.0	-2.4	0.5

Mill Plain monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	10.9	9.5	8.8
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	3.1	4.5	5.3	6.1	11.0	12.1	13.2	11.7	8.5	6.6	5.1	2.9
Precipitation (mm)	195	191	229	263	51	56	6	21	134	184	247	389
Sunny days	7	9	4	6	18	21	27	22	16	14	12	7
Rainy days	24	18	27	24	13	9	4	9	14	17	18	24
Snow days	0	1	0	0	0	0	0	0	0	0	0	0

Mill Plain - weather forecast by months

Mill Plain weather in january Mill Plain weather in february Mill Plain weather in march Mill Plain weather in april Mill Plain weather in may Mill Plain weather in june Mill Plain weather in july Mill Plain weather in august Mill Plain weather in september Mill Plain weather in october Mill Plain weather in november Mill Plain weather in december

Best time to visit Mill Plain:

The best time to visit Mill Plain during the most sunny months:

May — 11.0(h)
June — 12.1(h)
July — 13.2(h)
August — 11.7(h)

Months with the longest average daylight duration in Mill Plain:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Mill Plain is at

March — 229(mm)

April — 263(mm)

November — 247(mm)

December — 389(mm)

Weather forecast in the closest to Mill Plain admin centers