Ōami weather in March

In March, Ōami sees average daytime highs of 13°C and overnight lows near 7°C, with 135 mm of precipitation across 13.1 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 11°C in the first days to 14°C by the end. The sky is clear or mostly clear about 33% 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 Ōami's 5th-clearest and 2nd-windiest month. For the whole year in context, see Ōami's year-round climate.

Daytime high
13°
9th warmest
Overnight low
4th coldest
Precipitation
135 mm
13.1 wet days
Daylight
11 h 42 min
5:57 AM – 5:40 PM
Cloud cover
61%
5th clearest
Wind
14 km/h
2nd windiest
Solar energy
4.02 kWh/m²
Travel score
3.3
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 14°C by the end.

A typical March day in Ōami reaches about 13°C in the afternoon and slips back to 7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, March runs about 3°C warmer than February and about 5°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1115
2115
3115
4116
5116
6126
7126
8126
9126
10126
11126
12126
13126
14137
15137
16137
17137
18137
19137
20137
21137
22138
23148
24148
25148
26148
27148
28148
29149
30159
31159

How March really feels in Ōami

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

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ōami 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 / 838.10.69.92.2
Feb10° / 788.80.810.72.3
Mar13° / 13513.10.411.73.3
Apr17° / 11°11512.5012.95.1
May21° / 16°12711.2013.86.2
Jun24° / 20°16613.2014.45.9
Jul28° / 23°13512.6014.25.4
Aug30° / 25°10211.3013.35.0
Sep26° / 22°17514.3012.25.7
Oct21° / 17°21913.6011.16.0
Nov17° / 12°11211010.15.2
Dec12° / 758.509.63.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64951
75050
85050
95050
105050
115050
125050
134951
144951
154852
164852
174753
184654
194654
204555
214555
224555
234555
244456
254357
264456
274456
284456
294456
304555
314555

Chance of precipitation in March

Any precipitationSnow

Ōami gets around 135 mm of rain and snow over 13.1 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 41% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1403
2413
3413
4423
5422
6422
7422
8412
9412
10412
11412
12401
13401
14401
15401
16401
17401
18411
19411
20410
21410
22420
23420
24420
25420
26430
27430
28430
29430
30430
31430

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25982
26982
27982
28982
29973
30973
31973

Wind in March

Winds average 14 km/h in March.

Across March, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 6:17 AM to 5:35 AM, and sunset from 5:27 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:175:27
211.26:165:28
311.26:155:29
411.36:135:29
511.36:125:30
611.36:115:31
711.46:095:32
811.46:085:33
911.56:075:34
1011.56:055:35
1111.56:045:36
1211.66:025:37
1311.66:015:37
1411.66:005:38
1511.75:585:39
1611.75:575:40
1711.85:555:41
1811.85:545:42
1911.85:525:43
2011.95:515:43
2111.95:495:44
2212.05:485:45
2312.05:475:46
2412.05:455:47
2512.15:445:48
2612.15:425:48
2712.15:415:49
2812.25:395:50
2912.25:385:51
3012.35:365:52
3112.35:355:53

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.02 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.35 kWh/m² in May across the year — March's 4.02 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Moderate
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Ōami

In seasonPeak

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

Ōami 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 Ōami?

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

3.3
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Ōami.

What to pack for Ōami in March

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

In March, Ōami sees daytime highs around 13°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Ōami in March

The nearest coast averages about 15°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 30 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 5 to Nov 22 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Ōami in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ōami peaks around August 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ōami 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 Ōami is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (September, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1322 µg/m³Sep 911 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep11Good
Oct14Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōami?

Ōami sits at 35.5°N, 140.3°E, 8 m above sea level, in Japan. The nearest listed city is Ōamishirasato, 3.0 km away.

Topography around Ōami

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

Within 3 km, the terrain around Ōami has only modest variations in elevation — a maximum elevation change of 108 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, large variations in elevation — a maximum elevation change of 755 m.

The land around Ōami is covered by cropland (38%), trees (35%) and artificial surfaces (23%) within 3 km, trees (41%) and cropland (24%) within 16 km, and water (43%), trees (22%) and artificial surfaces (21%) within 80 km.

3 km
108 m
16 km
186 m
80 km
755 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Ōamishirasato 3.0 km · Tōgane 6.0 km · Mobara 10 km · Narutō 13 km · Yachimata 15 km · Sanmu 15 km · Yotsukaidō 20 km · Chiba 20 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 Ōami (35.5167°, 140.3167°, elevation 8 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).