Hiratachō weather in January

In January, Hiratachō sees average daytime highs of 8°C and overnight lows near 5°C, with 157 mm of precipitation across 20.6 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 7% 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 Hiratachō's 11th-clearest and 1st-windiest month. For the whole year in context, see Hiratachō's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
157 mm
20.6 wet days
Daylight
9 h 54 min
7:22 AM – 5:14 PM
Cloud cover
70%
11th clearest
Wind
25 km/h
1st windiest
Solar energy
2.28 kWh/m²
Travel score
1.1
out of 10

Hiratachō is human settlement in Japan.

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 8°C through the month.

A typical January day in Hiratachō reaches about 8°C in the afternoon and slips back to 5°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 11°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
196
296
396
496
596
696
796
896
986
1086
1186
1285
1385
1485
1585
1685
1785
1885
1985
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085
3185

Hiratachō weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 15720.659.91.1
Feb / 11916.43.910.71.2
Mar11° / 12914.61.111.72.4
Apr15° / 11°10710.2012.94.4
May19° / 16°1219.8013.86.0
Jun22° / 20°15511.1014.36.2
Jul26° / 24°19713.3014.16.1
Aug27° / 25°13211.7013.36.2
Sep25° / 22°17812.9012.26.3
Oct20° / 17°10811011.16.2
Nov16° / 13°11213.7010.14.4
Dec11° / 161202.89.72.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53763
63664
73664
83565
93466
103466
113367
123268
133268
143268
153268
163268
173268
183268
193169
203169
213268
223268
233268
243268
253466
263466
273466
283565
293565
303664
313664

Chance of precipitation in January

Any precipitationSnow

Hiratachō gets around 157 mm of rain and snow over 20.6 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 67% and peaks near 70% on the wettest days, and about 5 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
16313
26213
36213
46313
56314
66314
76414
86414
96514
106514
116614
126615
136715
146716
156816
166817
176917
186918
197018
207018
217019
227019
237019
247019
256919
266920
276820
286820
296719
306719
316619

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 25 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 25 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

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 7:23 AM to 7:16 AM, and sunset from 5:01 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:235:01
29.77:235:02
39.77:235:03
49.77:235:03
59.77:235:04
69.77:235:05
79.77:235:06
89.77:235:07
99.77:235:07
109.77:235:08
119.87:235:09
129.87:235:10
139.87:235:11
149.87:235:12
159.87:235:13
169.97:225:14
179.97:225:15
189.97:225:15
199.97:225:16
209.97:215:17
2110.07:215:18
2210.07:215:19
2310.07:205:20
2410.07:205:21
2510.07:195:22
2610.17:195:23
2710.17:185:24
2810.17:185:25
2910.27:175:26
3010.27:165:27
3110.27:165:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.28 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.83 kWh/m² in May across the year — January's 2.28 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Hiratachō

In seasonPeak

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

Hiratachō 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 Hiratachō?

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

1.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Hiratachō.

What to pack for Hiratachō in January

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

In January, Hiratachō sees daytime highs around 8°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 21 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Hiratachō in January

The nearest coast averages about 15°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 19 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 12 to Nov 15 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Hiratachō 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 Hiratachō peaks around July 19 at about 10 (extreme) — 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 highVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Hiratachō 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 Hiratachō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1222 µg/m³Oct 1310 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct10Good
Nov12Good
Dec11Good
Location & terrain

Where is Hiratachō?

Hiratachō sits at 35.4°N, 132.8°E, -1 m above sea level, in Japan. The nearest listed city is Izumo, 9.0 km away.

Topography around Hiratachō

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

Within 3 km, the terrain around Hiratachō has significant variations in elevation — a maximum elevation change of 402 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.

The land around Hiratachō is covered by cropland (39%) and trees (31%) within 3 km, trees (42%) and water (38%) within 16 km, and trees (48%) and water (48%) within 80 km.

3 km
402 m
16 km
527 m
80 km
1,689 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Izumo 9.0 km · Matsue 22 km · Unnan 22 km · Yasugichō 39 km · Ōdachō-ōda 39 km · Sakaiminato 39 km · Yonago 47 km · Mikuriya 62 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 Hiratachō (35.4333°, 132.8167°, elevation -1 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).