Kazo weather in January

In January, Kazo sees average daytime highs of 9°C and overnight lows near 0°C, with 57 mm of precipitation across 6 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 61% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Kazo's 1st-clearest and 4th-windiest month. For the whole year in context, see Kazo's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
57 mm
6 wet days
Daylight
9 h 48 min
6:57 AM – 4:45 PM
Cloud cover
37%
1st clearest
Wind
10 km/h
4th windiest
Solar energy
2.88 kWh/m²
Travel score
2.1
out of 10

Kazo is city in Saitama Prefecture, Japan.

Density
846/km²
people per km²
Founded
2010

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 9°C through the month.

A typical January day in Kazo reaches about 9°C in the afternoon and slips back to 0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 12°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1101
2101
3101
4101
591
691
791
891
991
1090
1190
1290
1390
1490
1590
1690
1790
1890
1990
2090
2190
2290
2390
2490
2590
2690
2790
2890
2990
3090
3190

How January really feels in Kazo

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Kazo weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5761.89.82.1
Feb10° / 536.4210.62.5
Mar14° / 9711.2111.73.8
Apr19° / 10610.70.212.95.8
May23° / 15°12712.2013.96.4
Jun26° / 19°16214.2014.45.6
Jul30° / 23°17014.7014.24.4
Aug31° / 24°12812.3013.44.1
Sep27° / 21°18614.1012.25.5
Oct21° / 14°19612.4011.16.2
Nov16° / 768.6010.15.4
Dec11° / 506.50.29.63.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57921
67822
77822
87822
97723
107723
117624
127525
137426
147426
157327
167228
177228
187129
197030
207030
217030
227030
237129
247129
257129
267129
277228
287228
297327
307327
317327

Chance of precipitation in January

Any precipitationSnow

Kazo gets around 57 mm of rain and snow over 6 wet days in January. 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 22% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1153
2153
3153
4163
5164
6164
7174
8174
9185
10195
11195
12206
13216
14216
15216
16226
17227
18227
19227
20227
21227
22227
23227
24227
25227
26227
27217
28217
29217
30217
31218

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 10 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 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 36 minutes over January. Sunrise moves from 6:57 AM to 6:50 AM, and sunset from 4:32 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:574:32
29.66:574:33
39.66:584:34
49.66:584:34
59.66:584:35
69.66:584:36
79.66:584:37
89.76:584:38
99.76:584:38
109.76:584:39
119.76:584:40
129.76:584:41
139.76:584:42
149.86:574:43
159.86:574:44
169.86:574:45
179.86:574:46
189.86:564:47
199.96:564:48
209.96:564:49
219.96:554:50
229.96:554:51
239.96:554:52
2410.06:544:53
2510.06:544:54
2610.06:534:55
2710.16:534:56
2810.16:524:57
2910.16:514:58
3010.16:514:59
3110.26:505:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.88 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.05 kWh/m² in May across the year — January's 2.88 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.2Moderate
313.2Moderate
Planning a trip in January

Is January a good time to visit Kazo?

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

2.1
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 Kazo.

What to pack for Kazo in January

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

In January, Kazo sees daytime highs around 9°C and nights near 0°C. Pack a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Kazo in January

The nearest coast averages about 14°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 60 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Kazo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kazo peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Kazo 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 Kazo is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Kazo?

Kazo sits at 36.1°N, 139.6°E, 12 m above sea level, in Japan. The nearest listed city is Kisai, 2.0 km away.

Topography around Kazo

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

Within 3 km, the terrain around Kazo has only modest variations in elevation — a maximum elevation change of 20 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Kazo is covered by artificial surfaces (51%) and cropland (41%) within 3 km, cropland (43%) and artificial surfaces (42%) within 16 km, and trees (47%) and artificial surfaces (27%) within 80 km.

3 km
20 m
16 km
69 m
80 km
2,553 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Kisai 2.0 km · Shōbu 6.0 km · Washinomiya 6.0 km · Hanyū 8.0 km · Kukichūō 9.0 km · Kurihashi 9.0 km · Kōnosu 9.0 km · Kitamoto 11 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 Kazo (36.1167°, 139.6°, elevation 12 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. 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).