Katori-shi weather in March

In March, Katori-shi sees average daytime highs of 12°C and overnight lows near 7°C, with 128 mm of precipitation across 12.6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 6th-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 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Katori-shi's 5th-clearest and 1st-windiest month. For the whole year in context, see Katori-shi's year-round climate.

Daytime high
12°
9th warmest
Overnight low
4th coldest
Precipitation
128 mm
12.6 wet days
Daylight
11 h 42 min
5:56 AM – 5:39 PM
Cloud cover
60%
5th clearest
Wind
16 km/h
1st windiest
Solar energy
4.16 kWh/m²
Travel score
3.1
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 Katori-shi reaches about 12°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 8°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)
1115
2115
3115
4115
5115
6115
7115
8116
9116
10126
11126
12126
13126
14126
15126
16126
17127
18127
19137
20137
21137
22137
23137
24137
25138
26138
27148
28148
29148
30148
31148

How March really feels in Katori-shi

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.

Katori-shi weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7780.69.82.0
Feb / 748.50.810.62.1
Mar12° / 12812.60.411.73.1
Apr16° / 11°11812.5012.94.9
May20° / 15°13612013.95.9
Jun23° / 19°15713.6014.45.8
Jul27° / 22°14913.6014.25.8
Aug28° / 24°10310.7013.45.7
Sep25° / 22°17113.8012.26.0
Oct21° / 17°21313011.16.0
Nov16° / 11°10710.7010.15.0
Dec11° / 739.209.63.1

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 17% of March, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
45050
55050
65050
75050
85149
95149
105248
115149
125248
135248
145248
155248
165248
175050
185050
195050
204951
214951
224951
234852
244852
254753
264852
274753
284753
294753
304753
314753

Chance of precipitation in March

Any precipitationSnow

Katori-shi gets around 128 mm of rain and snow over 12.6 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 40% 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 (%)
1372
2382
3382
4382
5382
6382
7382
8382
9382
10382
11381
12381
13381
14381
15381
16381
17391
18391
19401
20401
21411
22411
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
31000
41000
51000
61000
71000
81000
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991
31982

Wind in March

Winds average 16 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 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 72 minutes over March. Sunrise moves from 6:17 AM to 5:34 AM, and sunset from 5:26 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:175:26
211.26:165:27
311.26:145:27
411.36:135:28
511.36:125:29
611.36:105:30
711.46:095:31
811.46:075:32
911.46:065:33
1011.56:055:34
1111.56:035:35
1211.66:025:36
1311.66:005:37
1411.65:595:37
1511.75:585:38
1611.75:565:39
1711.85:555:40
1811.85:535:41
1911.85:525:42
2011.95:505:43
2111.95:495:44
2212.05:475:44
2312.05:465:45
2412.05:445:46
2512.15:435:47
2612.15:415:48
2712.15:405:49
2812.25:385:49
2912.25:375:50
3012.35:355:51
3112.35:345:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.16 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.41 kWh/m² in May across the year — March's 4.16 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in March

Hazard calendar for Katori-shi

In seasonPeak

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

Katori-shi 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 Katori-shi?

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

3.1
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 Katori-shi.

What to pack for Katori-shi in March

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

In March, Katori-shi sees daytime highs around 12°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 Katori-shi 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 28 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 23 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Katori-shi 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 Katori-shi peaks around August 12 at about 10 (very high) — 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 highModerateAug 12UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Katori-shi 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 Katori-shi is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Katori-shi?

Katori-shi sits at 35.9°N, 140.5°E, 6 m above sea level, in Japan. The nearest listed city is Sawara, 2.0 km away.

Topography around Katori-shi

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

Within 3 km, the terrain around Katori-shi has only modest variations in elevation — a maximum elevation change of 59 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Katori-shi is covered by cropland (38%), trees (23%) and artificial surfaces (23%) within 3 km, cropland (35%) and trees (31%) within 16 km, and water (36%) and trees (25%) within 80 km.

3 km
59 m
16 km
70 m
80 km
840 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Sawara 2.0 km · Itako 6.0 km · Omigawa 12 km · Namegata 12 km · Kamisu 15 km · Kashima-shi 15 km · Inashiki 17 km · Edosaki 17 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 Katori-shi (35.8977°, 140.4994°, elevation 6 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).