Shiozawa weather in March

In March, Shiozawa sees average daytime highs of 5°C and overnight lows near -3°C, with 176 mm of precipitation across 21.2 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 3°C in the first days to 8°C by the end. The sky is clear or mostly clear about 16% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Shiozawa's 6th-clearest and 2nd-windiest month. For the whole year in context, see Shiozawa's year-round climate.

Daytime high
9th warmest
Overnight low
-3°
4th coldest
Precipitation
176 mm
21.2 wet days
Daylight
11 h 42 min
6:03 AM – 5:45 PM
Cloud cover
71%
6th clearest
Wind
7 km/h
2nd windiest
Solar energy
4.44 kWh/m²
Travel score
0.3
out of 10

Shiozawa is dissolved municipality in Minamiuonuma district, Niigata prefecture, Japan.

Density
106/km²
people per km²
Founded
1900

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 3°C in the first days to 8°C by the end.

A typical March day in Shiozawa reaches about 5°C in the afternoon and slips back to -3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 11°C. Set against its neighbours, March runs about 4°C warmer than February and about 7°C cooler than April.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
13-4
23-4
33-4
44-4
54-4
64-4
74-4
84-4
94-4
104-3
115-3
125-3
135-3
145-3
155-3
165-3
176-3
186-3
196-2
206-2
216-2
226-2
237-2
247-2
257-2
267-2
277-1
287-1
298-1
308-1
318-1

How March really feels in Shiozawa

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Shiozawa weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°22925.425.39.70.0
Feb / -5°17721.320.310.60.0
Mar / -3°17621.217.311.70.3
Apr12° / 13916.6512.92.7
May19° / 16115.90.3145.1
Jun22° / 14°20118.4014.55.0
Jul26° / 18°29222.5014.34.7
Aug27° / 19°21720.2013.45.0
Sep23° / 15°21618.2012.35.2
Oct17° / 20117.50.3114.3
Nov10° / 16818.76.4101.9
Dec / -4°21023.319.49.50.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32674
42575
52575
62575
72674
82674
92773
102872
112872
122872
132971
142971
152971
162971
173070
183070
193070
203169
213268
223169
233169
243268
253268
263367
273367
283466
293565
303565
313565

Chance of precipitation in March

Any precipitationSnow

Shiozawa gets around 176 mm of rain and snow over 21.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 68% and peaks near 72% on the wettest days, and about 17 days bring snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
17265
27264
37264
47164
57164
67163
77163
87062
97062
106961
116960
126959
136858
146858
156857
166856
176755
186754
196753
206751
216650
226649
236648
246647
256546
266545
276544
286443
296441
306340
316338

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 7 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:25 AM to 5:40 AM, and sunset from 5:31 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:255:31
211.16:235:32
311.26:225:33
411.26:205:34
511.36:195:35
611.36:185:36
711.36:165:37
811.46:155:38
911.46:135:39
1011.56:125:40
1111.56:105:41
1211.56:095:42
1311.66:085:43
1411.66:065:44
1511.76:055:45
1611.76:035:45
1711.76:025:46
1811.86:005:47
1911.85:595:48
2011.95:575:49
2111.95:555:50
2211.95:545:51
2312.05:525:52
2412.05:515:53
2512.15:495:54
2612.15:485:55
2712.25:465:55
2812.25:455:56
2912.25:435:57
3012.35:425:58
3112.35:405:59

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.44 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 5.62 kWh/m² in May across the year — March's 4.44 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.0Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in March

Hazard calendar for Shiozawa

In seasonPeak

In March, Shiozawa sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Shiozawa sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Shiozawa?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.3
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Shiozawa.

What to pack for Shiozawa in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Shiozawa sees daytime highs around 5°C and nights near -3°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 21 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Shiozawa in March

The nearest coast averages about 10°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 21 to Oct 31 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Shiozawa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shiozawa peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 12UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Shiozawa in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Shiozawa is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Shiozawa?

Shiozawa sits at 37.0°N, 138.8°E, 180 m above sea level, in Japan. The nearest listed city is Muikamachi, 4.0 km away.

Topography around Shiozawa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shiozawa.

Within 3 km, the terrain around Shiozawa has significant variations in elevation — a maximum elevation change of 364 m around an average of 231 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,859 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,551 m.

The land around Shiozawa is covered by cropland (52%) and trees (25%) within 3 km, trees (77%) within 16 km, and trees (75%) within 80 km.

3 km
364 m
16 km
1,859 m
80 km
2,551 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Muikamachi 4.0 km · Minamiuonuma 5.0 km · Tōkamachi 13 km · Uonuma 25 km · Ojiya 29 km · Minakami 41 km · Kashiwazaki 45 km · Nagaoka 46 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Shiozawa (37.0376°, 138.8487°, elevation 180 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).