Gamagōri weather in January

In January, Gamagōri sees average daytime highs of 10°C and overnight lows near 4°C, with 65 mm of precipitation across 6.1 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 55% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Gamagōri's 2nd-clearest and 1st-windiest month. For the whole year in context, see Gamagōri's year-round climate.

Daytime high
10°
12th warmest
Overnight low
1st coldest
Precipitation
65 mm
6.1 wet days
Daylight
9 h 54 min
7:03 AM – 4:57 PM
Cloud cover
44%
2nd clearest
Wind
20 km/h
1st windiest
Solar energy
2.98 kWh/m²
Travel score
2.3
out of 10

Gamagōri is city in Aichi Prefecture, Japan.

Density
1,409/km²
people per km²
Founded
1954

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical January day in Gamagōri reaches about 10°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 12°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°151015202531
Avg high (°C)Avg low (°C)
1104
2104
3104
4104
5104
6104
7104
8104
9104
10104
11104
12104
13104
1494
1594
1694
1794
1894
1994
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3093
3193

How January really feels in Gamagōri

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 29 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
29
wind chill below the day's low

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

Gamagōri weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 656.19.92.3
Feb10° / 777.110.72.6
Mar14° / 12910.311.74.0
Apr18° / 11°14310.312.95.8
May22° / 16°1641113.86.5
Jun25° / 20°23214.714.35.7
Jul29° / 24°22714.914.14.8
Aug30° / 25°13314.313.34.4
Sep27° / 22°23014.412.25.5
Oct22° / 16°21511.611.16.6
Nov17° / 11°1068.210.25.8
Dec12° / 666.49.73.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57723
67723
77624
87624
97525
107327
117228
127129
137030
147030
156931
166832
176832
186634
196634
206634
216634
226634
236634
246634
256634
266634
276733
286733
296733
306832
316832

Chance of precipitation in January

Any precipitationSnow

Gamagōri gets around 65 mm of rain and snow over 6.1 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 23% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1180
2180
3180
4180
5180
6180
7180
8190
9190
10200
11210
12211
13221
14221
15221
16231
17231
18231
19221
20221
21221
22221
23222
24212
25212
26212
27202
28202
29201
30201
31201

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 20 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
321breezy
421breezy
521breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:03 AM to 6:57 AM, and sunset from 4:45 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:034:45
29.77:034:46
39.77:044:47
49.77:044:47
59.77:044:48
69.77:044:49
79.87:044:50
89.87:044:50
99.87:044:51
109.87:044:52
119.87:044:53
129.87:044:54
139.87:044:55
149.97:044:56
159.97:044:56
169.97:034:57
179.97:034:58
189.97:034:59
1910.07:035:00
2010.07:025:01
2110.07:025:02
2210.07:025:03
2310.07:015:04
2410.17:015:05
2510.17:005:06
2610.17:005:07
2710.16:595:08
2810.26:595:09
2910.26:585:10
3010.26:585:11
3110.26:575:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.98 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 5.48 kWh/m² in May across the year — January's 2.98 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.1Moderate
253.1Moderate
263.1Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.3Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Gamagōri

In seasonPeak

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

Gamagōri 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 January a good time to visit Gamagōri?

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

2.3
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Gamagōri.

What to pack for Gamagōri in January

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

In January, Gamagōri sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: a windbreaker. About 6 days see rain.

a warm layera windbreaker

Sea temperature near Gamagōri in January

The nearest coast averages about 16°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 27 to Nov 21 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Gamagōri in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gamagōri peaks around July 11 at about 10 (very high) — 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 highModerateJul 11UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gamagōri in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Gamagōri is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1325 µg/m³Jul 2415 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun20Moderate
Jul15Moderate
Aug15Moderate
Sep16Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Gamagōri?

Gamagōri sits at 34.8°N, 137.2°E, 23 m above sea level, in Japan. The nearest listed city is Kōta, 7.0 km away.

Topography around Gamagōri

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

Within 3 km, the terrain around Gamagōri has significant variations in elevation — a maximum elevation change of 447 m around an average of 71 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 525 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,181 m.

The land around Gamagōri is covered by trees (46%) and artificial surfaces (39%) within 3 km, trees (37%), water (27%) and artificial surfaces (24%) within 16 km, and trees (43%) and water (34%) within 80 km.

3 km
447 m
16 km
525 m
80 km
2,181 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Kōta 7.0 km · Kozakai-chō 12 km · Okazaki 14 km · Toyokawa 15 km · Toyohashi 16 km · Nishio 17 km · Tahara 19 km · Anjō 20 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 Gamagōri (34.8333°, 137.2333°, elevation 23 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).