Sanyōonoda weather in March

In March, Sanyōonoda sees average daytime highs of 13°C and overnight lows near 8°C, with 133 mm of precipitation across 11.5 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 7th-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 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 Sanyōonoda's 6th-clearest and 4th-windiest month. For the whole year in context, see Sanyōonoda's year-round climate.

Daytime high
13°
9th warmest
Overnight low
4th coldest
Precipitation
133 mm
11.5 wet days
Daylight
11 h 42 min
6:33 AM – 6:17 PM
Cloud cover
61%
6th clearest
Wind
13 km/h
4th windiest
Solar energy
4.25 kWh/m²
Travel score
3.4
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 Sanyōonoda reaches about 13°C in the afternoon and slips back to 8°C overnight — a 5°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 3°C warmer than February and about 4°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1116
2116
3116
4116
5126
6127
7127
8127
9127
10127
11127
12127
13127
14127
15137
16137
17137
18138
19138
20138
21138
22138
23148
24148
25148
26149
27149
28149
29149
30149
31159

How March really feels in Sanyōonoda

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.

Sanyōonoda weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7310.81.3101.8
Feb10° / 8110.41.110.72.1
Mar13° / 13311.50.211.73.4
Apr17° / 12°14710.7012.85.3
May21° / 16°16610.2013.76.5
Jun25° / 20°26914.1014.25.9
Jul28° / 24°25614.50145.1
Aug30° / 25°14111.9013.34.9
Sep27° / 22°16211.4012.26.2
Oct22° / 17°1007.8011.17.1
Nov17° / 12°868.4010.25.5
Dec12° / 74110.39.82.9

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 16% of March, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34258
44258
54258
64357
74357
84456
94456
104555
114555
124654
134654
144654
154654
164753
174753
184852
194852
204852
214852
224852
234852
244852
254852
264951
274951
284951
295050
305050
314951

Chance of precipitation in March

Any precipitation

Sanyōonoda gets around 133 mm of rain and snow over 11.5 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 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
338
438
538
638
737
837
937
1037
1136
1236
1336
1436
1536
1636
1736
1836
1937
2037
2137
2237
2337
2437
2537
2637
2737
2837
2937
3037
3137

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
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25982
26982
27982
28982
29973
30973
31964

Wind in March

Winds average 13 km/h in March.

Across March, daily wind ranges from about 13 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
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light 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 6:52 AM to 6:12 AM, and sunset from 6:05 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:526:05
211.26:516:06
311.36:506:06
411.36:496:07
511.36:486:08
611.46:466:09
711.46:456:10
811.46:446:11
911.56:426:11
1011.56:416:12
1111.66:406:13
1211.66:386:14
1311.66:376:15
1411.76:366:16
1511.76:346:16
1611.76:336:17
1711.86:326:18
1811.86:306:19
1911.86:296:19
2011.96:276:20
2111.96:266:21
2212.06:256:22
2312.06:236:23
2412.06:226:23
2512.16:206:24
2612.16:196:25
2712.16:186:26
2812.26:166:26
2912.26:156:27
3012.26:136:28
3112.36:126:29

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.25 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.52 kWh/m² in May across the year — March's 4.25 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.8Bright
Planning a trip in March

Hazard calendar for Sanyōonoda

In seasonPeak

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

Sanyōonoda 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 Sanyōonoda?

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

3.4
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 Sanyōonoda.

What to pack for Sanyōonoda in March

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

In March, Sanyōonoda sees daytime highs around 13°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Sanyōonoda in March

The nearest coast averages about 12°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 18 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 6 to Nov 10 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Sanyōonoda 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 Sanyōonoda peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 20UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sanyōonoda 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 Sanyōonoda is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2026 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar27Moderate
Apr24Moderate
May21Moderate
Jun18Moderate
Jul16Moderate
Aug19Moderate
Sep13Moderate
Oct12Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Sanyōonoda?

Sanyōonoda sits at 34.0°N, 131.2°E, 33 m above sea level, in Japan. The nearest listed city is Onoda, 4.0 km away.

Topography around Sanyōonoda

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

Within 3 km, the terrain around Sanyōonoda has only modest variations in elevation — a maximum elevation change of 147 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Sanyōonoda is covered by trees (55%) and artificial surfaces (20%) within 3 km, trees (51%) and water (30%) within 16 km, and water (49%) and trees (42%) within 80 km.

3 km
147 m
16 km
475 m
80 km
1,205 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Onoda 4.0 km · Ube 13 km · Mine 18 km · Shimonoseki 22 km · Ogōri-shimogō 23 km · Kanda 32 km · Yamaguchi 33 km · Kitakyushu 35 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 Sanyōonoda (34.0325°, 131.1603°, elevation 33 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).