Climate · Japan

Nozawa Onsen

Warm and wet from June to September; chilly and wet from December to March.

Typical weather, averaged over 30 years36.9°N600 m above the sea
  1. Jan37°3°22°-6°Rain on about six days a week.
  2. Feb38°3°22°-6°Rain on about five days a week.
  3. Mar45°7°27°-3°Rain on about four days a week.
  4. Apr57°14°35°2°Rain on about four days a week.
  5. May70°21°47°8°Rain on about three days a week.
  6. Jun76°24°57°14°Rain on about four days a week.
  7. Jul81°27°64°18°Rain on about five days a week.
  8. Aug84°29°67°19°Rain on about five days a week.
  9. Sep78°26°61°16°Rain on about four days a week.
  10. Oct68°20°50°10°Rain on about four days a week.
  11. Nov56°13°38°3°Rain on about four days a week.
  12. Dec43°6°26°-3°Rain on about five days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 80°F and nights near 62°F. From December to March, highs are nearer 41°F. Rain and snow come in two spells, from July to August and from December to February. April to May is the driest stretch, with rain on about four days a week. Daylight runs from about 9½ hours in December to 14½ hours in June.The warm season runs from June to September, with highs near 27°C and nights near 17°C. From December to March, highs are nearer 5°C. Rain and snow come in two spells, from July to August and from December to February. April to May is the driest stretch, with rain on about four days a week. Daylight runs from about 9½ hours in December to 14½ hours in June.

Where Nozawa Onsen sits

Asia/Tokyo

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
36.9°Nnorthern hemisphere
Above the sea
600 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:58 AM6:36 AM5:59 AM5:13 AM4:39 AM4:26 AM4:38 AM5:03 AM5:27 AM5:53 AM6:24 AM6:52 AMsets 4:51 PMsets 5:25 PMsets 5:53 PMsets 6:20 PMsets 6:46 PMsets 7:07 PMsets 7:06 PMsets 6:40 PMsets 5:56 PMsets 5:11 PMsets 4:38 PMsets 4:31 PM
Nearest of ours
Karuizawa65 km south

The land around Nozawa Onsen, shaded by its typical high in January, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in February, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in March, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in April, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in May, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in June, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in July, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in August, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in September, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in October, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in November, the planning map's own layer.The land around Nozawa Onsen, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 37°F in January to 84°F in August.Highs from 3°C in January to 29°C in August.

Chance of a wet day

Wettest in January (83% of days), driest in May (49%).

Cloud cover

Clearest in October (58% cover), cloudiest in January (72%).

Daylight

From 9h 40m in December to 14h 39m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Nozawa Onsen, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryRainy season
22°-6°37°3°
6 days72%9h 56m
FebruaryRainy season
22°-6°38°3°
5 days69%10h 46m
March
27°-3°45°7°
4 days63%11h 54m
April
35°2°57°14°
4 days59%13h 07m
MayAt its best
47°8°70°21°
3 days60%14h 08m
JuneWarm seasonAt its best
57°14°76°24°
4 days68%14h 39m
JulyWarm seasonAt its best
64°18°81°27°
5 days71%14h 24m
AugustWarm season
67°19°84°29°
5 days64%13h 31m
SeptemberWarm seasonAt its best
61°16°78°26°
4 days62%12h 20m
OctoberAt its best
50°10°68°20°
4 days58%11h 08m
November
38°3°56°13°
4 days61%10h 09m
DecemberRainy season
26°-3°43°6°
5 days69%9h 40m

When is the best time to visit Nozawa Onsen?


The best months are May to July, or September to October: highs near 75°F, nights near 56°F, and rain on about four days a week.The best months are May to July, or September to October: highs near 24°C, nights near 13°C, and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Nozawa Onsen?

August, with highs near 84°F and lows near 67°F. The coolest is January, with highs near 37°F.August, with highs near 29°C and lows near 19°C. The coolest is January, with highs near 3°C.

When does it rain most in Nozawa Onsen?

January, with rain or snow on about six days a week. May is the driest, with rain on about three days a week.

How long are the days in Nozawa Onsen?

From about 9½ hours in December to 14½ hours in June.

When are the skies clearest in Nozawa Onsen?

October, when cloud covers about 58% of the sky on average. January is the cloudiest, at about 72%.

Places with a year like Nozawa Onsen's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Nozawa Onsen's through the year, one place a country. “Six months apart”: their winter is Nozawa Onsen's summer.

Elsewhere in Japan

All of Japan

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Nozawa Onsen. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.