Best year time to visit Kōseichō

General weather information about Kōseichō

Average annual temperature is 7.7 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -21.8 °C

Number of sunny days: 130 days

Number of rainy days: 181 days

Number of snow days: 54 days

Look at detailed online map of Kōseichō

* Weather data for Kōseichō Japan is based on climate observations for 2026 year

Kōseichō air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.8	7.0	15.4	19.5	26.6	29.3	33.3	34.4	28.5	23.2	18.4	10.1
Average daytime temperature (°C)	-5.3	-3.3	6.4	12.0	18.1	22.8	26.2	27.5	23.4	15.4	8.5	-0.2
Average temperature (°C)	-10.5	-7.8	1.1	6.6	11.8	17.5	21.4	23.3	19.0	10.6	4.4	-5.3
Average night temperature (°C)	-15.3	-11.9	-3.3	2.4	6.7	13.0	17.6	20.3	15.6	6.7	0.5	-9.8
Absolute minimum temperature (°C)	-21.3	-19.2	-12.1	-4.6	-0.7	5.4	11.7	14.6	9.2	-0.4	-9.6	-21.8

Kōseichō 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	9.0
Daylight mean duration (h)	9.3	10.5	11.9	13.4	14.7	15.4	15.1	14.0	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	6.9	7.1	7.7	8.3	10.0	9.8	8.5	8.3	7.5	7.5	5.9	5.9
Precipitation (mm)	19	44	44	120	48	116	118	99	160	103	80	34
Sunny days	14	11	16	10	13	8	6	9	8	10	11	14
Rainy days	1	3	12	19	18	22	25	22	22	21	14	2
Snow days	16	14	3	1	0	0	0	0	0	0	5	15

Kōseichō - weather forecast by months

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

Best time to visit Kōseichō:

The best time to visit Kōseichō during the most sunny months:

May — 10.0(h)
June — 9.8(h)

Months with the longest average daylight duration in Kōseichō:

June — 15.4(h)

The largest precipitation sum in Kōseichō is at

April — 120(mm)

June — 116(mm)

July — 118(mm)

September — 160(mm)

Weather forecast in the closest to Kōseichō admin centers