Sagae weather in January

In January, Sagae sees average daytime highs of 1°C and overnight lows near -5°C, with 126 mm of precipitation across 21.7 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 1°C through the month. The sky is clear or mostly clear about 2% 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 Sagae's 11th-clearest and 2nd-windiest month. For the whole year in context, see Sagae's year-round climate.

Daytime high
12th warmest
Overnight low
-5°
1st coldest
Precipitation
126 mm
21.7 wet days
Daylight
9 h 36 min
7:00 AM – 4:36 PM
Cloud cover
76%
11th clearest
Wind
10 km/h
2nd windiest
Solar energy
2.3 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 1°C through the month.

A typical January day in Sagae reaches about 1°C in the afternoon and slips back to -5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 4°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)
12-4
22-4
32-4
42-4
52-4
62-4
72-4
82-4
92-5
101-5
111-5
121-5
131-5
141-5
151-5
161-5
171-5
181-5
191-5
201-5
211-5
221-5
231-5
241-5
251-5
261-5
271-5
281-5
291-5
301-5
311-5

How January really feels in Sagae

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.

Sagae weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°12621.723.19.60.0
Feb / -5°9017.918.210.50.0
Mar / -2°10916.912.211.70.5
Apr13° / 9413.72.7133.3
May19° / 9112014.15.6
Jun22° / 15°11912.5014.66.0
Jul26° / 19°18917.4014.45.4
Aug27° / 20°14714.8013.55.6
Sep23° / 16°12613012.35.9
Oct17° / 11812.40115.0
Nov11° / 9515.34.19.92.2
Dec / -2°1202016.39.40.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% 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 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
51981
61981
71981
81882
91882
101882
111882
121882
131882
141882
151882
161882
171783
181783
191882
201981
211981
221981
231981
241981
251981
261882
271981
281981
291981
301981
311981

Chance of precipitation in January

Any precipitationSnow

Sagae gets around 126 mm of rain and snow over 21.7 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 69% and peaks near 71% on the wettest days, and about 23 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
17069
27170
37171
47172
57173
67173
77174
87174
97174
107075
117075
127075
136975
146975
156975
166874
176874
186874
196874
206874
216874
226874
236974
246975
256975
266975
276975
286975
296975
306974
316974

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 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 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 7:01 AM to 6:52 AM, and sunset from 4:23 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:014:23
29.47:014:24
39.47:014:25
49.47:014:25
59.47:014:26
69.47:014:27
79.47:024:28
89.57:014:29
99.57:014:30
109.57:014:31
119.57:014:31
129.57:014:32
139.57:014:33
149.67:014:34
159.67:004:35
169.67:004:36
179.67:004:37
189.66:594:38
199.76:594:39
209.76:594:40
219.76:584:41
229.76:584:42
239.86:574:44
249.86:574:45
259.86:564:46
269.96:564:47
279.96:554:48
289.96:544:49
299.96:544:50
3010.06:534:51
3110.06:524:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.3 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 5.28 kWh/m² in May across the year — January's 2.3 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
92.1Moderate
102.1Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.7Moderate
Planning a trip in January

Hazard calendar for Sagae

In seasonPeak

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

Sagae 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 Sagae?

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 Sagae.

What to pack for Sagae in January

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

In January, Sagae sees daytime highs around 1°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 Sagae in January

The nearest coast averages about 12°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 63 km away) is warmest in August at about 26°C and coldest in March near 9°C.

It's comfortable for a long swim from Jun 24 to Oct 27 — about 4.1 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct21Refreshing
Nov18Cool
Dec15Bracing

UV index in Sagae 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 Sagae peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 15UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Sagae 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 Sagae is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Sagae?

Sagae sits at 38.4°N, 140.3°E, 102 m above sea level, in Japan. The nearest listed city is Yachi, 6.0 km away.

Topography around Sagae

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

Within 3 km, the terrain around Sagae has only modest variations in elevation — a maximum elevation change of 133 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,140 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Sagae is covered by cropland (36%), artificial surfaces (36%) and trees (21%) within 3 km, trees (60%) and cropland (21%) within 16 km, and trees (74%) within 80 km.

3 km
133 m
16 km
1,140 m
80 km
2,110 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Yachi 6.0 km · Tendō 9.0 km · Higashine 13 km · Murayama 16 km · Yamagata 18 km · Kaminoyama 24 km · Obanazawa 28 km · Nagai 36 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 Sagae (38.3725°, 140.2725°, elevation 102 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).