Best year time to visit Sei

General weather information about Sei

Average annual temperature is 15.8 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -5.9 °C

Number of sunny days: 129 days

Number of rainy days: 232 days

Number of snow days: 4 days

Look at detailed online map of Sei

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

Sei air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	17.1	15.7	21.7	24.7	27.4	30.7	33.6	34.8	32.3	25.0	25.4	20.1
Average daytime temperature (°C)	8.5	9.5	15.9	18.6	22.4	25.5	30.8	31.6	29.5	21.7	17.0	12.0
Average temperature (°C)	4.5	5.3	10.8	13.9	17.9	21.8	26.3	27.2	24.9	16.5	12.0	7.7
Average night temperature (°C)	0.7	1.5	6.2	9.6	14.0	18.6	22.7	23.9	21.2	12.3	7.9	3.7
Absolute minimum temperature (°C)	-5.9	-2.0	-0.3	3.7	7.6	12.8	17.6	21.3	17.3	7.0	1.5	-2.3

Sei 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	13.0	12.0	11.0	10.0	10.0
Daylight mean duration (h)	10.2	11.0	12.0	13.0	13.9	14.4	14.2	13.4	12.4	11.3	10.4	9.9
Daylight minimum duration (h)	9.0	10.0	11.0	12.0	13.0	14.0	13.0	12.0	11.0	10.0	10.0	9.0
Sunshine mean duration (h)	7.1	7.1	8.7	8.3	9.2	6.9	10.3	9.9	9.9	8.6	7.3	7.1
Precipitation (mm)	91	44	122	239	257	455	65	188	91	89	123	64
Sunny days	5	10	15	13	14	9	9	4	9	16	12	13
Rainy days	25	15	16	17	17	21	22	27	21	15	18	18
Snow days	1	3	0	0	0	0	0	0	0	0	0	0

Sei - weather forecast by months

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

Best time to visit Sei:

The largest precipitation sum in Sei is at

April — 239(mm)

May — 257(mm)

June — 455(mm)

Weather forecast in the closest to Sei admin centers