Ono weather in January

In January, Ono sees average daytime highs of 2°C and overnight lows near -5°C, with 180 mm of precipitation across 21.8 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 10% 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 Ono's 10th-clearest and 4th-windiest month. For the whole year in context, see Ono's year-round climate.

Daytime high
12th warmest
Overnight low
-5°
1st coldest
Precipitation
180 mm
21.8 wet days
Daylight
9 h 48 min
7:09 AM – 4:58 PM
Cloud cover
71%
10th clearest
Wind
9 km/h
4th windiest
Solar energy
2.54 kWh/m²
Travel score
0.0
out of 10

Ono is city in Fukui Prefecture, Japan.

Density
39/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 2°C through the month.

A typical January day in Ono reaches about 2°C in the afternoon and slips back to -5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 6°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)
13-4
23-4
32-4
42-4
52-5
62-5
72-5
82-5
92-5
102-5
112-5
122-5
132-5
142-5
152-5
162-5
172-5
182-5
192-5
202-5
211-5
221-6
231-6
241-6
251-6
261-6
271-6
281-6
291-6
301-6
311-6

How January really feels in Ono

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.

Ono weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°18021.820.69.80.0
Feb / -5°14617.415.510.60.0
Mar / -2°18417.110.411.70.7
Apr13° / 17514.22.912.93.3
May18° / 10°19214.40.113.95.3
Jun22° / 15°24315.4014.45.4
Jul26° / 19°32119.5014.25.1
Aug27° / 20°19417.2013.45.4
Sep23° / 16°24815.4012.25.7
Oct18° / 10°18913.30.111.15.2
Nov11° / 16115.33.410.12.5
Dec / -2°18720.615.39.60.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43070
52971
62971
72971
83070
93070
102971
112971
122872
132872
142773
152674
162674
172575
182575
192476
202476
212476
222476
232377
242278
252377
262377
272377
282377
292377
302476
312575

Chance of precipitation in January

Any precipitationSnow

Ono gets around 180 mm of rain and snow over 21.8 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 70% and peaks near 72% on the wettest days, and about 21 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
17063
27064
37064
47064
56964
66964
76864
86863
96863
106763
116763
126763
136763
146763
156764
166864
176865
186865
196966
207067
217067
227168
237169
247270
257270
267270
277270
287270
297270
307270
317269

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 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 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
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:09 AM to 7:02 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)
19.67:094:45
29.67:104:46
39.67:104:47
49.67:104:47
59.67:104:48
69.67:104:49
79.77:104:50
89.77:104:50
99.77:104:51
109.77:104:52
119.77:104:53
129.77:104:54
139.87:104:55
149.87:104:56
159.87:094:57
169.87:094:58
179.87:094:58
189.87:094:59
199.97:085:00
209.97:085:01
219.97:085:02
229.97:075:03
2310.07:075:04
2410.07:065:05
2510.07:065:06
2610.07:055:07
2710.17:055:08
2810.17:045:09
2910.17:045:10
3010.17:035:11
3110.27:025:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.54 kWh/m².

For context, solar energy here swings from a low near 2.14 kWh/m² to a high of 5.51 kWh/m² in May across the year — January's 2.54 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Ono

In seasonPeak

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

Ono 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 Ono?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Ono.

What to pack for Ono in January

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

In January, Ono sees daytime highs around 2°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. About 22 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Ono in January

The nearest coast averages about 13°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 36 km away) is warmest in August at about 27°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 16 to Nov 5 — about 4.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar11Bracing
Apr13Bracing
May16Cool
Jun20Refreshing
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Ono 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 Ono peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highExtremeVery highModerateJul 17UV 10Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Ono 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 Ono is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1620 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Ono?

Ono sits at 36.0°N, 136.5°E, 175 m above sea level, in Japan. The nearest listed city is Katsuyama, 9.0 km away.

Topography around Ono

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

Within 3 km, the terrain around Ono has large variations in elevation — a maximum elevation change of 720 m around an average of 222 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,577 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,671 m.

The land around Ono is covered by cropland (38%), trees (28%) and artificial surfaces (28%) within 3 km, trees (85%) within 16 km, and trees (62%) and water (25%) within 80 km.

3 km
720 m
16 km
1,577 m
80 km
2,671 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Katsuyama 9.0 km · Iijima 17 km · Fukui-shi 26 km · Maruoka 27 km · Sabae 27 km · Takefu 30 km · Echizen 30 km · Sakai 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 Ono (35.9811°, 136.4873°, elevation 175 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).