Itsukaichi weather in March

In March, Itsukaichi sees average daytime highs of 11°C and overnight lows near 2°C, with 139 mm of precipitation across 15.2 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 13°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 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Itsukaichi's 5th-clearest and 2nd-windiest month. For the whole year in context, see Itsukaichi's year-round climate.

Daytime high
11°
9th warmest
Overnight low
4th coldest
Precipitation
139 mm
15.2 wet days
Daylight
11 h 42 min
6:01 AM – 5:44 PM
Cloud cover
61%
5th clearest
Wind
7 km/h
2nd windiest
Solar energy
4.12 kWh/m²
Travel score
2.5
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 13°C by the end.

A typical March day in Itsukaichi reaches about 11°C in the afternoon and slips back to 2°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 16°C. Set against its neighbours, March runs about 3°C warmer than February and about 5°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
190
290
390
491
5101
6101
7101
8101
9101
10101
11101
12111
13111
14112
15112
16112
17112
18112
19122
20122
21123
22123
23123
24123
25123
26133
27134
28134
29134
30134
31134

How March really feels in Itsukaichi

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 18 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
18
wind chill below the day's low

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

Itsukaichi weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°778.54.49.91.0
Feb / -1°759.64.610.61.2
Mar11° / 13915.24.711.72.5
Apr16° / 14614.60.912.94.5
May21° / 13°16615.6013.95.5
Jun23° / 17°22219.5014.44.9
Jul27° / 21°24321.8014.24.5
Aug28° / 22°20521013.44.4
Sep25° / 18°24918.3012.25.2
Oct19° / 13°24216.2011.15.2
Nov14° / 10111.30.210.14.1
Dec10° / 688.31.49.62.2

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 18% of March, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
45050
55050
65050
75050
85050
95050
105050
115050
125050
135050
144951
154951
164852
174753
184654
194654
204555
214555
224555
234456
244357
254357
264357
274357
284357
294456
304456
314456

Chance of precipitation in March

Any precipitationSnow

Itsukaichi gets around 139 mm of rain and snow over 15.2 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 48% and peaks near 51% on the wettest days, and about 5 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14519
24519
34619
44619
54619
64619
74618
84618
94618
104617
114617
124516
134516
144615
154615
164615
174714
184814
194813
204913
214912
225012
235012
245111
255111
265111
275110
285110
29519
30519
31518

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 8 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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 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 66 minutes over March. Sunrise moves from 6:22 AM to 5:39 AM, and sunset from 5:31 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:225:31
211.26:215:32
311.26:195:33
411.36:185:34
511.36:175:35
611.36:155:36
711.46:145:36
811.46:125:37
911.56:115:38
1011.56:105:39
1111.56:085:40
1211.66:075:41
1311.66:055:42
1411.66:045:43
1511.76:035:44
1611.76:015:44
1711.86:005:45
1811.85:585:46
1911.85:575:47
2011.95:555:48
2111.95:545:49
2212.05:525:50
2312.05:515:50
2412.05:495:51
2512.15:485:52
2612.15:475:53
2712.15:455:54
2812.25:445:55
2912.25:425:55
3012.35:415:56
3112.35:395:57

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.12 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 5.06 kWh/m² in May across the year — March's 4.12 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
84.0Moderate
94.0Bright
104.0Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Itsukaichi

In seasonPeak

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

Itsukaichi 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 Itsukaichi?

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

2.5
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 Itsukaichi.

What to pack for Itsukaichi in March

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

In March, Itsukaichi sees daytime highs around 11°C and nights near 2°C. Pack a warm layer and rain gear. About 15 days see rain.

a warm layerrain gear

Sea temperature near Itsukaichi in March

The nearest coast averages about 13°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 60 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Itsukaichi 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 Itsukaichi peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJul 16UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Itsukaichi 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 Itsukaichi is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Itsukaichi?

Itsukaichi sits at 35.7°N, 139.2°E, 184 m above sea level, in Japan. The nearest listed city is Akiruno, 1.0 km away.

Topography around Itsukaichi

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

Within 3 km, the terrain around Itsukaichi has significant variations in elevation — a maximum elevation change of 487 m around an average of 309 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,333 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.

The land around Itsukaichi is covered by trees (85%) within 3 km, trees (75%) and artificial surfaces (20%) within 16 km, and trees (48%) and artificial surfaces (27%) within 80 km.

3 km
487 m
16 km
1,333 m
80 km
3,737 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Akiruno 1.0 km · Iwai 3.0 km · Ōme 7.0 km · Fussa 10 km · Hamura 10 km · Hachiōji 12 km · Hakonegasaki 13 km · Akishima 15 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 Itsukaichi (35.7253°, 139.2178°, elevation 184 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).