Mihara weather in January

In January, Mihara sees average daytime highs of 9°C and overnight lows near 1°C, with 43 mm of precipitation across 5.4 wet days and about 10 hours of daylight. It is the 12th-warmest and 12th-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 24% 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 18 min by month's end. Set against the rest of the year, January is Mihara's 5th-clearest and 1st-windiest month. For the whole year in context, see Mihara's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
43 mm
5.4 wet days
Daylight
9 h 54 min
7:19 AM – 5:15 PM
Cloud cover
60%
5th clearest
Wind
10 km/h
1st windiest
Solar energy
2.51 kWh/m²
Travel score
1.8
out of 10

Mihara is city in Hiroshima Prefecture, Japan.

Density
192/km²
people per km²
Founded
2005

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 Mihara reaches about 9°C in the afternoon and slips back to 1°C overnight — a 8°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)
192
291
391
491
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1891
1981
2081
2181
2281
2381
2481
2581
2681
2781
2881
2981
3081
3191

How January really feels in Mihara

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.

Mihara 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 daysSnow daysDaylight (hours)Travel score
Jan / 435.41101.8
Feb10° / 547.21.410.72.2
Mar14° / 959.90.411.73.9
Apr19° / 1109.7012.86.0
May23° / 14°1299.9013.86.8
Jun26° / 19°19212.8014.35.8
Jul30° / 23°20713.7014.14.4
Aug32° / 24°12512.2013.33.9
Sep28° / 20°16011012.25.7
Oct22° / 13°1037.6011.17.2
Nov17° / 596.6010.25.7
Dec11° / 505.90.49.73.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 29% of January, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
36040
45941
55842
65743
75743
85743
95644
105545
115446
125446
135347
145248
155149
165050
174951
184951
194951
204852
214852
224852
234852
244753
254753
264852
274951
284951
294852
304951
314951

Chance of precipitation in January

Any precipitationSnow

Mihara gets around 43 mm of rain and snow over 5.4 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 18% and peaks near 21% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1162
2162
3162
4152
5152
6152
7152
8152
9152
10162
11162
12163
13173
14173
15173
16183
17183
18193
19194
20194
21204
22204
23204
24204
25214
26214
27215
28215
29215
30215
31215

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, the windiest month of the year.

Across January, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
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 42 min at the start of January to 10 h 18 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 7:19 AM to 7:13 AM, and sunset from 5:03 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:195:03
29.77:195:04
39.87:195:04
49.87:195:05
59.87:195:06
69.87:195:07
79.87:205:07
89.87:205:08
99.87:205:09
109.87:205:10
119.97:205:11
129.97:195:11
139.97:195:12
149.97:195:13
159.97:195:14
169.97:195:15
1710.07:195:16
1810.07:185:17
1910.07:185:18
2010.07:185:19
2110.07:185:20
2210.17:175:21
2310.17:175:22
2410.17:165:22
2510.17:165:23
2610.17:155:24
2710.27:155:25
2810.27:145:26
2910.27:145:27
3010.27:135:28
3110.37:135:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.51 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 5.56 kWh/m² in May across the year — January's 2.51 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in January

Hazard calendar for Mihara

In seasonPeak

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

Mihara sits in the Pacific typhoon belt; the season peaks July–October.

Mihara's rainy season runs March–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 January a good time to visit Mihara?

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

1.8
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 Mihara.

What to pack for Mihara in January

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

In January, Mihara sees daytime highs around 9°C and nights near 1°C. Pack a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Mihara 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 27 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 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep27Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Mihara 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 Mihara peaks around July 15 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 15UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Mihara 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 Mihara 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 1322 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep12Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Mihara?

Mihara sits at 34.4°N, 133.1°E, 11 m above sea level, in Japan. The nearest listed city is Onomichi, 11 km away.

Topography around Mihara

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

Within 3 km, the terrain around Mihara has significant variations in elevation — a maximum elevation change of 384 m around an average of 89 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 671 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,900 m.

The land around Mihara is covered by trees (54%) and artificial surfaces (29%) within 3 km, trees (63%) and water (21%) within 16 km, and trees (63%) and water (26%) within 80 km.

3 km
384 m
16 km
671 m
80 km
1,900 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Onomichi 11 km · Innoshima 16 km · Takehara 17 km · Kōzan 21 km · Fuchūchō 24 km · Shin’ichi 25 km · Fukuyama 28 km · Higashihiroshima 32 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 Mihara (34.4°, 133.0833°, elevation 11 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).