Yoshioka weather in January

In January, Yoshioka sees average daytime highs of 5°C and overnight lows near -2°C, with 56 mm of precipitation across 9.2 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 5°C through the month. The sky is clear or mostly clear about 33% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Yoshioka's 3rd-clearest and 1st-windiest month. For the whole year in context, see Yoshioka's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
2nd coldest
Precipitation
56 mm
9.2 wet days
Daylight
9 h 36 min
6:58 AM – 4:34 PM
Cloud cover
56%
3rd clearest
Wind
13 km/h
1st windiest
Solar energy
2.5 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 5°C through the month.

A typical January day in Yoshioka reaches about 5°C in the afternoon and slips back to -2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 8°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
150
25-1
35-1
45-1
55-1
65-1
75-1
85-1
95-1
105-1
115-1
125-1
135-1
145-1
155-2
165-2
175-2
185-2
195-2
205-2
215-2
225-2
235-2
245-2
255-2
265-2
275-2
285-2
295-2
305-2
315-2

How January really feels in Yoshioka

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.

Yoshioka weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°569.26.19.60.0
Feb / -2°488.14.910.50.3
Mar / 89113.311.71.8
Apr14° / 9711.40.6134.2
May19° / 12°10911.4014.15.8
Jun22° / 16°13212.8014.65.9
Jul26° / 20°18916.7014.45.4
Aug27° / 22°16515.5013.55.5
Sep24° / 18°16814012.35.9
Oct19° / 11°14110.70115.9
Nov13° / 658.50.29.93.8
Dec / 589.63.89.41.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 24% of January, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
35941
45941
55842
65842
75842
85644
95644
105644
115545
125644
135644
145545
155545
165545
175545
185545
195545
205545
215545
225644
235644
245644
255743
265743
275842
285842
295842
305941
315842

Chance of precipitation in January

Any precipitationSnow

Yoshioka gets around 56 mm of rain and snow over 9.2 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 30% and peaks near 31% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12919
22919
33019
43020
53020
63020
73021
83021
93121
103121
113021
123021
133020
143020
153020
163020
172920
182919
192919
202919
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918
312918

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

Across January, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 24 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 6:59 AM to 6:50 AM, and sunset from 4:21 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.46:594:21
29.46:594:21
39.46:594:22
49.46:594:23
59.46:594:24
69.46:594:24
79.46:594:25
89.46:594:26
99.56:594:27
109.56:594:28
119.56:594:29
129.56:594:30
139.56:594:31
149.66:584:32
159.66:584:33
169.66:584:34
179.66:584:35
189.66:574:36
199.76:574:37
209.76:564:38
219.76:564:39
229.76:564:40
239.86:554:41
249.86:554:42
259.86:544:43
269.86:534:44
279.96:534:45
289.96:524:46
299.96:514:47
3010.06:514:49
3110.06:504:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.5 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 5.35 kWh/m² in May across the year — January's 2.5 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Yoshioka

In seasonPeak

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

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

Yoshioka'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 Yoshioka?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Yoshioka.

What to pack for Yoshioka in January

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

In January, Yoshioka sees daytime highs around 5°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Yoshioka in January

The nearest coast averages about 11°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 41 km away) is warmest in August at about 24°C and coldest in March near 9°C.

It's comfortable for a long swim from Jul 7 to Oct 10 — about 3.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun18Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct19Cool
Nov17Cool
Dec14Bracing

UV index in Yoshioka 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 Yoshioka peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yoshioka 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 Yoshioka is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Yoshioka?

Yoshioka sits at 38.4°N, 140.9°E, 24 m above sea level, in Japan. The nearest listed city is Tomiya, 5.0 km away.

Topography around Yoshioka

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

Within 3 km, the terrain around Yoshioka has significant variations in elevation — a maximum elevation change of 296 m around an average of 42 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,239 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,978 m.

The land around Yoshioka is covered by trees (40%) and cropland (35%) within 3 km, trees (60%) and cropland (23%) within 16 km, and trees (60%) and water (24%) within 80 km.

3 km
296 m
16 km
1,239 m
80 km
1,978 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Tomiya 5.0 km · Naka-niida 14 km · Rifu 15 km · Furukawa 16 km · Matsushima 18 km · Ōsaki 18 km · Tagajō-shi 19 km · Kogota 19 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 Yoshioka (38.4414°, 140.8764°, elevation 24 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).