Tosayamadachō-nakano in Winter

In winter (December, January and February), Tosayamadachō-nakano sees average daytime highs around 12°C and overnight lows near 6°C, with 223 mm of precipitation over about 19 wet days across the season. It is the coldest season of the year and the driest season of the year.

Over the season highs ease from about 15°C in early December to 12°C by late February. The sky is clear or mostly clear about 43% of the time across winter, and the air most often feels dry.

Winter is Tosayamadachō-nakano's weakest season of the year to visit on our travel score. For the whole year in context, see Tosayamadachō-nakano's year-round climate.

Avg daytime high
12°C
coldest season of the year
Avg overnight low
6°C
Precipitation
223 mm
19 wet days
Avg wind
11 km/h
Travel score
3.3
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Tosayamadachō-nakano in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 15°C in early December to 12°C by late February.

A typical winter day in Tosayamadachō-nakano reaches about 12°C and drops to 6°C overnight. The warmest of the three months is December, the coolest January.

10°15°20°DecJanFeb

How winter really feels in Tosayamadachō-nakano

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tosayamadachō-nakano weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 636102.8
Feb11° / 857.410.83.1
Mar14° / 14310.511.74.3
Apr19° / 12°17410.412.85.9
May22° / 16°20011.513.76.4
Jun25° / 21°32117.114.25.4
Jul28° / 24°32618.7144.6
Aug29° / 25°21818.313.24.4
Sep27° / 22°24715.212.25.6
Oct23° / 17°1839.911.27.0
Nov18° / 12°987.510.36.2
Dec13° / 755.79.84.1

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Tosayamadachō-nakano gets around 223 mm of rain and snow over 19 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 11 km/h across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 54 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 3.0 kWh/m².

012345DecJanFeb
Planning a trip in winter

Hazard calendar for Tosayamadachō-nakano

In seasonPeak

In winter, Tosayamadachō-nakano overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Tosayamadachō-nakano sits in the Pacific typhoon belt; the season peaks July–October.

Tosayamadachō-nakano's rainy season runs April–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 winter a good time to visit Tosayamadachō-nakano?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.3
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Tosayamadachō-nakano.

What to pack for Tosayamadachō-nakano in Winter

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

In winter, Tosayamadachō-nakano sees daytime highs around 12°C and nights near 6°C. Pack a warm layer. About 19 days see rain.

a warm layer

Sea temperature near Tosayamadachō-nakano in Winter

The nearest coast averages about 18°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in August at about 28°C and coldest in February near 17°C.

It's comfortable for a long swim from May 6 to Dec 16 — about 7.4 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr19Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Tosayamadachō-nakano in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tosayamadachō-nakano peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tosayamadachō-nakano in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Tosayamadachō-nakano is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Tosayamadachō-nakano?

Tosayamadachō-nakano sits at 33.6°N, 133.7°E, 41 m above sea level, in Japan. The nearest listed city is Yamashita, 4.0 km away.

Topography around Tosayamadachō-nakano

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

Within 3 km, the terrain around Tosayamadachō-nakano has only modest variations in elevation — a maximum elevation change of 197 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,226 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,939 m.

The land around Tosayamadachō-nakano is covered by cropland (39%), artificial surfaces (29%) and trees (23%) within 3 km, trees (61%) and water (20%) within 16 km, and trees (56%) and water (38%) within 80 km.

3 km
197 m
16 km
1,226 m
80 km
1,939 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Yamashita 4.0 km · Nankoku 5.0 km · Kochi 15 km · Aki 23 km · Ino 24 km · Tosa 25 km · Susaki 43 km · Shikokuchūō 44 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 Tosayamadachō-nakano (33.6°, 133.6833°, elevation 41 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.