Tokyo · JapanSummit weather, forecast and climate

Mount Nishi

Stratovolcano · last major eruption 1606854 m

Elevation854 mabove sea level

Prominence–independent height

Isolation204 kmto a higher summit

Summit, Jul23°average high

33.14° N, 139.76° EElevation 854 mUTC+9 · Japan Standard Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Mount Nishi in brief

Mount Nishi rises to 854 m, Tokyo, Japan.

At the summit, August is the mildest month with average highs of 24°, while nights rarely fall below freezing.

The nearest town in the atlas is Hachijō, 4.2 km to the S at 23 m.

iiForecast

Temperatures are adjusted to each height; summits are usually colder and windier than the valley forecast suggests.

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iiiSummit climate

Climate normals for the summit area (~1 km grid), station-adjusted

Climate normals for Mount Nishi by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	9°	9°	11°	15°	18°	21°	23°	24°	23°	20°	16°	11°
Average low	6°	6°	8°	12°	16°	19°	22°	23°	21°	18°	13°	8°
Precipitation	294 mm	318 mm	498 mm	363 mm	402 mm	604 mm	356 mm	299 mm	529 mm	711 mm	388 mm	281 mm
Cloud cover	45%	49%	52%	50%	59%	69%	53%	37%	42%	45%	44%	41%
Daylight	10h 11	11h 00	11h 56	12h 59	13h 51	14h 20	14h 09	13h 25	12h 25	11h 24	10h 29	9h 59
Month score	19	17	21	40	53	51	57	64	62	61	48	26

Average height of the 0 °C level from the summit normals (6.5 °C per km); snow months have a summit mean at or below +1 °C

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freezing level	1,950 m	1,950 m	2,300 m	2,900 m	3,450 m	3,900 m	4,350 m	4,500 m	4,250 m	3,700 m	3,050 m	2,350 m
Summit	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C