Shimosuwa weather in March

In March, Shimosuwa sees average daytime highs of 7°C and overnight lows near -3°C, with 142 mm of precipitation across 13.3 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 10°C by the end. The sky is clear or mostly clear about 30% 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 Shimosuwa's 5th-clearest and 1st-windiest month. For the whole year in context, see Shimosuwa's year-round climate.

Daytime high
9th warmest
Overnight low
-3°
4th coldest
Precipitation
142 mm
13.3 wet days
Daylight
11 h 42 min
6:06 AM – 5:49 PM
Cloud cover
59%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
4.8 kWh/m²
Travel score
0.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 10°C by the end.

A typical March day in Shimosuwa reaches about 7°C in the afternoon and slips back to -3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 13°C. Set against its neighbours, March runs about 4°C warmer than February and about 6°C cooler than April.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
15-5
25-4
35-4
45-4
55-4
66-4
76-4
86-4
96-4
106-4
116-3
126-3
137-3
147-3
157-3
167-3
177-3
187-2
198-2
208-2
218-2
228-2
238-2
249-2
259-1
269-1
279-1
289-1
2910-1
3010-1
31100

How March really feels in Shimosuwa

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.

Shimosuwa weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -8°8511.512.49.80.0
Feb / -7°8610.19.510.60.0
Mar / -3°14213.38.911.70.9
Apr14° / 12712.41.912.93.7
May19° / 13312.10.113.95.7
Jun22° / 14°17815.5014.45.4
Jul26° / 18°19817014.25.5
Aug27° / 18°12313.4013.45.9
Sep23° / 15°15912.8012.26.1
Oct17° / 17012.10.111.15.2
Nov11° / 9710.41.710.12.8
Dec / -4°84129.49.60.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
45050
55050
65149
75149
85248
95248
105248
115347
125347
135347
145446
155446
165446
175347
185347
195347
205347
215248
225149
235149
245050
255050
265050
274951
284951
295050
305050
315050

Chance of precipitation in March

Any precipitationSnow

Shimosuwa gets around 142 mm of rain and snow over 13.3 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 42% and peaks near 44% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13933
23933
34033
44033
54134
64134
74133
84133
94133
104132
114231
124231
134230
144330
154329
164328
174328
184327
194426
204426
214425
224425
234424
244423
254423
264422
274422
284321
294320
304319
314318

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, the windiest month of the year.

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 6:27 AM to 5:44 AM, and sunset from 5:35 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:275:35
211.26:255:36
311.26:245:37
411.36:235:38
511.36:215:39
611.36:205:40
711.46:195:41
811.46:175:42
911.46:165:43
1011.56:145:43
1111.56:135:44
1211.66:125:45
1311.66:105:46
1411.66:095:47
1511.76:075:48
1611.76:065:49
1711.86:045:50
1811.86:035:51
1911.86:015:51
2011.96:005:52
2111.95:585:53
2212.05:575:54
2312.05:555:55
2412.05:545:56
2512.15:535:57
2612.15:515:57
2712.15:505:58
2812.25:485:59
2912.25:476:00
3012.35:456:01
3112.35:446:02

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.8 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 5.73 kWh/m² in May across the year — March's 4.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in March

Hazard calendar for Shimosuwa

In seasonPeak

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

Shimosuwa 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 Shimosuwa?

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

0.9
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 Shimosuwa.

What to pack for Shimosuwa in March

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

In March, Shimosuwa sees daytime highs around 7°C and nights near -3°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 13 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Shimosuwa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shimosuwa peaks around July 14 at about 11 (extreme) — 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 highExtremeVery highModerateJul 14UV 11Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Shimosuwa 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 Shimosuwa is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1918 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar17Moderate
Apr18Moderate
May17Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep10Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Shimosuwa?

Shimosuwa sits at 36.1°N, 138.1°E, 768 m above sea level, in Japan. The nearest listed city is Okaya, 4.0 km away.

Topography around Shimosuwa

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

Within 3 km, the terrain around Shimosuwa has significant variations in elevation — a maximum elevation change of 486 m around an average of 843 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,382 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,048 m.

The land around Shimosuwa is covered by artificial surfaces (36%), trees (33%) and water (26%) within 3 km, trees (74%) within 16 km, and trees (87%) within 80 km.

3 km
486 m
16 km
1,382 m
80 km
3,048 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Okaya 4.0 km · Suwa 5.0 km · Chino 11 km · Shiojiri 11 km · Tatsuno 12 km · Matsumoto 21 km · Kinoshita 21 km · Minamiminowa 24 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 Shimosuwa (36.0713°, 138.082°, elevation 768 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). 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).