Katō weather in March

In March, Katō sees average daytime highs of 13°C and overnight lows near 3°C, with 106 mm of precipitation across 10.7 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 11°C in the first days to 15°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 Katō's 9th-clearest and 1st-windiest month. For the whole year in context, see Katō's year-round climate.

Daytime high
13°
9th warmest
Overnight low
4th coldest
Precipitation
106 mm
10.7 wet days
Daylight
11 h 42 min
6:18 AM – 6:01 PM
Cloud cover
65%
9th clearest
Wind
11 km/h
1st windiest
Solar energy
4.28 kWh/m²
Travel score
3.5
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 15°C by the end.

A typical March day in Katō reaches about 13°C in the afternoon and slips back to 3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, March runs about 4°C warmer than February and about 5°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1112
2112
3112
4112
5112
6122
7122
8122
9123
10123
11123
12123
13123
14133
15133
16133
17133
18133
19134
20134
21144
22144
23144
24144
25144
26145
27155
28155
29155
30155
31155

How March really feels in Katō

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 14 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
14
wind chill below the day's low

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

Katō 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 / 506.51.29.91.6
Feb / 607.61.510.72.0
Mar13° / 10610.70.211.73.5
Apr18° / 11710.6012.95.7
May23° / 14°13810.5013.86.6
Jun26° / 19°16912.9014.35.8
Jul30° / 23°19714.7014.14.4
Aug32° / 24°12111.9013.34.0
Sep28° / 20°19411.9012.25.8
Oct22° / 13°1408.8011.16.9
Nov16° / 716.3010.25.6
Dec11° / 596.50.49.72.9

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 19% of March, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44159
54159
64159
74258
84258
94258
104357
114357
124357
134456
144357
154456
164456
174357
184357
194258
204357
214258
224258
234258
244159
254159
264159
274159
284159
294258
304258
314258

Chance of precipitation in March

Any precipitationSnow

Katō gets around 106 mm of rain and snow over 10.7 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 35% and peaks near 36% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1312
2322
3321
4331
5331
6331
7331
8331
9341
10341
11341
12341
13341
14351
15351
16351
17351
18360
19360
20360
21360
22360
23360
24360
25360
26360
27360
28360
29350
30350
31350

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
131000
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26982
27982
28982
29982
30973
31973

Wind in March

Winds average 11 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:38 AM to 5:56 AM, and sunset from 5:48 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:385:48
211.26:375:49
311.26:355:50
411.36:345:51
511.36:335:52
611.46:315:53
711.46:305:54
811.46:295:55
911.56:275:55
1011.56:265:56
1111.56:255:57
1211.66:235:58
1311.66:225:59
1411.76:216:00
1511.76:196:01
1611.76:186:01
1711.86:166:02
1811.86:156:03
1911.86:136:04
2011.96:126:05
2111.96:116:06
2212.06:096:06
2312.06:086:07
2412.06:066:08
2512.16:056:09
2612.16:036:10
2712.16:026:10
2812.26:006:11
2912.25:596:12
3012.35:586:13
3112.35:566:14

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.28 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.56 kWh/m² in May across the year — March's 4.28 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.9Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Bright
94.0Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in March

Hazard calendar for Katō

In seasonPeak

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

Katō 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 Katō?

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

3.5
Sightseeing
9th-best month of the year
0.1
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Katō.

What to pack for Katō in March

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

In March, Katō sees daytime highs around 13°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Katō in March

The nearest coast averages about 14°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 34 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 6 to Nov 12 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Katō 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 Katō peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJul 10UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Katō 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 Katō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Katō?

Katō sits at 34.9°N, 135.0°E, 125 m above sea level, in Japan. The nearest listed city is Yashiro, 5.0 km away.

Topography around Katō

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

Within 3 km, the terrain around Katō has significant variations in elevation — a maximum elevation change of 338 m around an average of 145 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 682 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Katō is covered by trees (71%) within 3 km, trees (62%) within 16 km, and trees (60%) and water (21%) within 80 km.

3 km
338 m
16 km
682 m
80 km
1,489 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Yashiro 5.0 km · Nishiwaki 8.0 km · Ono 12 km · Miki 14 km · Kasai 16 km · Kajiya 19 km · Sandachō 19 km · Inami 22 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 Katō (34.9242°, 135.0261°, elevation 125 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).