Kamaishi weather in March

In March, Kamaishi sees average daytime highs of 6°C and overnight lows near -1°C, with 102 mm of precipitation across 11.4 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 5°C in the first days to 8°C by the end. The sky is clear or mostly clear about 24% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Kamaishi's 7th-clearest and 4th-windiest month. For the whole year in context, see Kamaishi's year-round climate.

Daytime high
9th warmest
Overnight low
-1°
3rd coldest
Precipitation
102 mm
11.4 wet days
Daylight
11 h 42 min
5:52 AM – 5:33 PM
Cloud cover
62%
7th clearest
Wind
14 km/h
4th windiest
Solar energy
4.43 kWh/m²
Travel score
0.6
out of 10

Kamaishi is city in Iwate Prefecture, Japan.

Density
98/km²
people per km²
Founded
1937

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 5°C in the first days to 8°C by the end.

A typical March day in Kamaishi reaches about 6°C in the afternoon and slips back to -1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 11°C. Set against its neighbours, March runs about 3°C warmer than February and about 5°C cooler than April.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
14-3
24-2
35-2
45-2
55-2
65-2
75-2
85-2
95-2
105-2
116-1
126-1
136-1
146-1
156-1
166-1
177-1
1870
1970
2070
2170
2270
2370
2481
2581
2681
2781
2881
2981
3092
3192

How March really feels in Kamaishi

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Kamaishi 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 / -4°577.85.99.60.0
Feb / -4°537.76.310.50.0
Mar / -1°10211.46.311.70.6
Apr12° / 10811.71.6132.9
May16° / 10°12512.3014.14.7
Jun19° / 14°13813014.75.4
Jul23° / 18°17116.2014.55.6
Aug25° / 20°17815.3013.55.8
Sep22° / 16°19815012.35.6
Oct17° / 10°15911.10115.1
Nov11° / 809.30.69.82.8
Dec / -0°689.349.30.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 24% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54852
64654
74753
84753
94753
104753
114852
124852
134852
144951
154951
164951
174852
184951
194951
204951
214951
224951
234951
244951
254951
264951
274852
284951
294951
304951
314951

Chance of precipitation in March

Any precipitationSnow

Kamaishi gets around 102 mm of rain and snow over 11.4 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 36% and peaks near 40% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13323
23323
33323
43323
53423
63423
73423
83423
93423
103423
113522
123522
133522
143521
153521
163520
173620
183619
193619
203719
213718
223818
233817
243917
253916
263916
273915
284014
294014
304013
314012

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 14 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
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light 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 hours 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 78 minutes over March. Sunrise moves from 6:15 AM to 5:27 AM, and sunset from 5:17 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:155:17
211.16:135:18
311.16:125:19
411.26:105:20
511.26:095:21
611.26:075:22
711.36:065:23
811.36:045:24
911.46:035:25
1011.46:015:26
1111.56:005:27
1211.55:585:29
1311.65:575:30
1411.65:555:31
1511.65:535:32
1611.75:525:33
1711.75:505:34
1811.85:495:35
1911.85:475:36
2011.95:455:37
2111.95:445:38
2211.95:425:39
2312.05:405:40
2412.05:395:41
2512.15:375:42
2612.15:355:43
2712.25:345:44
2812.25:325:45
2912.35:315:46
3012.35:295:47
3112.35:275:48

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.43 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 5.49 kWh/m² in May across the year — March's 4.43 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.1Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in March

Hazard calendar for Kamaishi

In seasonPeak

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

Kamaishi 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 Kamaishi?

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

0.6
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 Kamaishi.

What to pack for Kamaishi in March

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

In March, Kamaishi sees daytime highs around 6°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Kamaishi in March

The nearest coast averages about 7°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 17 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 26 to Oct 1 — about 2.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun16Cool
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Kamaishi 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 Kamaishi peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep7Very high
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Kamaishi 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 Kamaishi is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1319 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun12Moderate
Jul11Good
Aug9Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Kamaishi?

Kamaishi sits at 39.3°N, 141.9°E, 25 m above sea level, in Japan. The nearest listed city is Yamada, 22 km away.

Topography around Kamaishi

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

Within 3 km, the terrain around Kamaishi has significant variations in elevation — a maximum elevation change of 511 m around an average of 145 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,341 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,861 m.

The land around Kamaishi is covered by trees (81%) within 3 km, trees (63%) and water (33%) within 16 km, and trees (57%) and water (35%) within 80 km.

3 km
511 m
16 km
1,341 m
80 km
1,861 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Yamada 22 km · Ōfunato 26 km · Tōno 29 km · Rikuzen-Takata 34 km · Miyako 42 km · Kesennuma 49 km · Ōshū 62 km · Kitakami 65 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 Kamaishi (39.2769°, 141.868°, elevation 25 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).