Ōhara weather in March

In March, Ōhara sees average daytime highs of 13°C and overnight lows near 9°C, with 159 mm of precipitation across 14.6 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 14°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 Ōhara's 6th-clearest and 1st-windiest month. For the whole year in context, see Ōhara's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Precipitation
159 mm
14.6 wet days
Daylight
11 h 42 min
5:56 AM – 5:40 PM
Cloud cover
62%
6th clearest
Wind
21 km/h
1st windiest
Solar energy
3.99 kWh/m²
Travel score
3.2
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 14°C by the end.

A typical March day in Ōhara reaches about 13°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 16°C. Set against its neighbours, March runs about 2°C warmer than February and about 4°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1117
2127
3128
4128
5128
6128
7128
8128
9128
10128
11128
12128
13138
14139
15139
16139
17139
18139
19139
20139
21139
22139
231410
241410
251410
261410
271410
281410
291410
301410
311411

Ōhara weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 10810.79.92.5
Feb11° / 10110.610.72.4
Mar13° / 15914.611.73.2
Apr16° / 13°12612.612.94.8
May20° / 17°13811.813.85.9
Jun23° / 20°19013.514.35.8
Jul26° / 24°13311.814.16.2
Aug28° / 25°1001113.36.2
Sep25° / 23°18814.712.25.9
Oct21° / 19°23914.911.15.8
Nov17° / 14°14713.410.15.2
Dec13° / 10611.79.73.6

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 15% of March, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54555
64555
74654
84654
94753
104753
114852
124852
134753
144753
154753
164654
174753
184654
194555
204555
214555
224456
234456
244456
254456
264456
274456
284555
294456
304456
314456

Chance of precipitation in March

Any precipitation

Ōhara gets around 159 mm of rain and snow over 14.6 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 46% and peaks near 48% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
645
745
845
945
1045
1145
1245
1345
1445
1545
1646
1746
1846
1947
2047
2148
2248
2348
2448
2548
2648
2748
2848
2947
3047
3147

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23973
24973
25973
26973
27964
28964
29955
30955
31946

Wind in March

Winds average 21 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2420breezy
2520breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy
3120breezy

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 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:175:27
211.26:155:28
311.26:145:28
411.36:135:29
511.36:115:30
611.36:105:31
711.46:095:32
811.46:075:33
911.56:065:34
1011.56:055:35
1111.56:035:36
1211.66:025:36
1311.66:015:37
1411.65:595:38
1511.75:585:39
1611.75:565:40
1711.85:555:41
1811.85:535:42
1911.85:525:42
2011.95:515:43
2111.95:495:44
2212.05:485:45
2312.05:465:46
2412.05:455:46
2512.15:435:47
2612.15:425:48
2712.15:405:49
2812.25:395:50
2912.25:375:51
3012.35:365:51
3112.35:355:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.99 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.53 kWh/m² in August across the year — March's 3.99 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.9Moderate
123.9Moderate
133.9Moderate
144.0Moderate
154.0Bright
164.0Bright
174.1Bright
184.1Bright
194.1Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Ōhara

In seasonPeak

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

Ōhara 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 Ōhara?

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

3.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

March is a weaker month for outdoor sightseeing in Ōhara.

What to pack for Ōhara in March

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

In March, Ōhara sees daytime highs around 13°C and nights near 9°C. Pack rain gear. Worth having: a warm layer and a windbreaker. About 15 days see rain.

rain geara warm layera windbreaker

Sea temperature near Ōhara in March

The nearest coast averages about 16°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 14 km away) is warmest in August at about 26°C and coldest in February near 16°C.

It's comfortable for a long swim from May 22 to Dec 9 — about 6.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb16Cool
Mar16Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul24Refreshing
Aug26Warm
Sep26Warm
Oct24Refreshing
Nov22Refreshing
Dec20Cool

UV index in Ōhara 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 Ōhara peaks around August 11 at about 10 (extreme) — 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 highExtremeVery highHighModerateAug 11UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Ōhara 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 Ōhara 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 Ōhara?

Ōhara sits at 35.2°N, 140.4°E, 9 m above sea level, in Japan. The nearest listed city is Isumi, 2.0 km away.

Topography around Ōhara

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

Within 3 km, the terrain around Ōhara has only modest variations in elevation — a maximum elevation change of 98 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, significant variations in elevation — a maximum elevation change of 396 m.

The land around Ōhara is covered by trees (40%) and water (35%) within 3 km, water (56%) and trees (31%) within 16 km, and water (54%) and trees (21%) within 80 km.

3 km
98 m
16 km
240 m
80 km
396 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Isumi 2.0 km · Katsuura 13 km · Mobara 22 km · Ōamishirasato 30 km · Ōami 31 km · Kamogawa 31 km · Tōgane 34 km · Sodegaura 38 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 Ōhara (35.2476°, 140.3929°, elevation 9 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).