Niimi weather in March

In March, Niimi sees average daytime highs of 11°C and overnight lows near 2°C, with 108 mm of precipitation across 12.4 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 14°C by the end. The sky is clear or mostly clear about 23% 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 Niimi's 6th-clearest and 1st-windiest month. For the whole year in context, see Niimi's year-round climate.

Daytime high
11°
9th warmest
Overnight low
4th coldest
Precipitation
108 mm
12.4 wet days
Daylight
11 h 42 min
6:24 AM – 6:08 PM
Cloud cover
65%
6th clearest
Wind
10 km/h
1st windiest
Solar energy
4.23 kWh/m²
Travel score
2.7
out of 10

Niimi is city in Okayama Prefecture, Japan.

Density
39/km²
people per km²
Founded
2005

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 14°C by the end.

A typical March day in Niimi reaches about 11°C in the afternoon and slips back to 2°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 17°C. Set against its neighbours, March runs about 4°C warmer than February and about 6°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
190
290
391
491
5101
6101
7101
8101
9101
10101
11101
12111
13111
14111
15112
16112
17112
18122
19122
20122
21122
22122
23123
24133
25133
26133
27133
28133
29143
30144
31144

How March really feels in Niimi

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 23 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
23
wind chill below the day's low

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

Niimi 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 / -1°549.76.59.90.5
Feb / -1°619.76.210.70.9
Mar11° / 10812.43.111.72.7
Apr17° / 11710.80.312.95.3
May22° / 12°13811.1013.86.4
Jun25° / 17°19414.2014.35.8
Jul29° / 21°23616.9014.14.6
Aug30° / 22°14914.4013.34.5
Sep26° / 18°20113.1012.26.1
Oct20° / 11°1098.1011.16.6
Nov14° / 678.10.210.24.4
Dec / 598.83.69.71.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53763
63763
73961
83961
93961
104060
114060
124159
134258
144159
154159
164258
174258
184258
194258
204159
214159
224159
234159
244159
254258
264159
274159
284159
294258
304258
314258

Chance of precipitation in March

Any precipitationSnow

Niimi gets around 108 mm of rain and snow over 12.4 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 39% and peaks near 41% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13715
23815
33815
43815
53814
63814
73914
83914
93913
103913
113912
123912
133911
143910
154010
16409
17409
18408
19418
20417
21417
22417
23416
24416
25416
26406
27405
28405
29395
30395
31395

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
30991
31991

Wind in March

Winds average 10 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:44 AM to 6:02 AM, and sunset from 5:55 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:445:55
211.26:435:56
311.26:425:56
411.36:405:57
511.36:395:58
611.46:385:59
711.46:366:00
811.46:356:01
911.56:346:02
1011.56:326:03
1111.56:316:03
1211.66:306:04
1311.66:286:05
1411.76:276:06
1511.76:256:07
1611.76:246:08
1711.86:236:08
1811.86:216:09
1911.86:206:10
2011.96:186:11
2111.96:176:12
2212.06:156:13
2312.06:146:13
2412.06:136:14
2512.16:116:15
2612.16:106:16
2712.16:086:17
2812.26:076:17
2912.26:056:18
3012.36:046:19
3112.36:026:20

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 5.57 kWh/m² in May across the year — March's 4.23 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
84.0Moderate
94.0Bright
104.0Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.8Bright
Planning a trip in March

Hazard calendar for Niimi

In seasonPeak

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

Niimi sits in the Pacific typhoon belt; the season peaks July–October.

Niimi's rainy season runs March–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Niimi?

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

2.7
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 Niimi.

What to pack for Niimi in March

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

In March, Niimi sees daytime highs around 11°C and nights near 2°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Niimi 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 68 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep27Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Niimi 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 Niimi peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highExtremeVery highModerateJul 15UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Niimi 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 Niimi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1322 µg/m³Oct 1511 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug13Moderate
Sep12Moderate
Oct11Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Niimi?

Niimi sits at 35.0°N, 133.5°E, 193 m above sea level, in Japan. The nearest listed city is Takahashi, 26 km away.

Topography around Niimi

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

Within 3 km, the terrain around Niimi has significant variations in elevation — a maximum elevation change of 489 m around an average of 336 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,045 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,692 m.

The land around Niimi is covered by trees (83%) within 3 km, trees (94%) within 16 km, and trees (73%) within 80 km.

3 km
489 m
16 km
1,045 m
80 km
1,692 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Takahashi 26 km · Maniwa 27 km · Ibara 43 km · Sōja 43 km · Shōbara 44 km · Kannabechō-yahiro 47 km · Tsuyama 49 km · Fuchūchō 50 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 Niimi (34.9833°, 133.4667°, elevation 193 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).