Nakano weather in February

In February, Nakano sees average daytime highs of 2°C and overnight lows near -5°C, with 120 mm of precipitation across 18.9 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 1°C in the first days to 4°C by the end. The sky is clear or mostly clear about 13% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of February to 11 h 06 min by month's end. Set against the rest of the year, February is Nakano's 8th-clearest and 2nd-windiest month. For the whole year in context, see Nakano's year-round climate.

Daytime high
11th warmest
Overnight low
-5°
2nd coldest
Precipitation
120 mm
18.9 wet days
Daylight
10 h 36 min
6:43 AM – 5:19 PM
Cloud cover
69%
8th clearest
Wind
6 km/h
2nd windiest
Solar energy
3.34 kWh/m²
Travel score
0.0
out of 10

Nakano is city in Nagano Prefecture, Japan.

Density
380/km²
people per km²
Founded
1954

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 1°C in the first days to 4°C by the end.

A typical February day in Nakano reaches about 2°C in the afternoon and slips back to -5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 7°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

-10°-5°10°151015202528
Avg high (°C)Avg low (°C)
11-6
21-6
32-6
42-6
52-6
62-6
72-6
82-6
92-6
102-6
112-5
122-5
132-5
142-5
152-5
163-5
173-5
183-5
193-5
203-5
213-5
223-4
233-4
243-4
254-4
264-4
274-4
284-4

How February really feels in Nakano

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 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
28
wind chill below the day's low

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Nakano weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°14722.823.49.80.0
Feb / -5°12018.918.510.60.0
Mar / -2°13818.614.811.70.6
Apr13° / 11514.63.512.93.4
May19° / 13314.70.113.95.5
Jun23° / 14°17818.1014.55.2
Jul26° / 18°24321.7014.34.7
Aug27° / 19°16919.6013.44.9
Sep23° / 15°18217012.25.4
Oct17° / 16115.60.111.14.7
Nov11° / 11616.44.6102.3
Dec / -3°13820.4179.50.2

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 18% of February, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
12773
22872
32872
42971
52971
63070
73070
83070
93070
103070
112971
122971
133070
143070
153169
163169
173169
183169
193169
203268
213169
223169
233169
243367
253268
263268
273268
283268

Chance of precipitation in February

Any precipitationSnow

Nakano gets around 120 mm of rain and snow over 18.9 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 68% and peaks near 73% on the wettest days, and about 19 days bring snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202528
Rain chance (%)Snow chance (%)
17375
27375
37375
47374
57374
67274
77273
87272
97172
107171
117171
127070
137069
147069
156968
166867
176866
186764
196663
206562
216561
226460
236459
246359
256358
266357
276257
286256

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February 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%151015202528
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

Wind in February

Winds average 6 km/h in February.

Across February, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 06 min at the start of February to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over February. Sunrise moves from 6:56 AM to 6:28 AM, and sunset from 5:04 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.16:565:04
210.26:555:05
310.26:545:07
410.26:535:08
510.36:535:09
610.36:525:10
710.36:515:11
810.46:505:12
910.46:495:13
1010.46:485:14
1110.56:475:15
1210.56:465:16
1310.56:455:17
1410.66:445:18
1510.66:435:19
1610.66:425:20
1710.76:415:21
1810.76:405:22
1910.76:395:23
2010.86:375:24
2110.86:365:25
2210.96:355:26
2310.96:345:27
2410.96:335:28
2511.06:315:29
2611.06:305:30
2711.06:295:31
2811.16:285:32

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.34 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.65 kWh/m² in May across the year — February's 3.34 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.2Moderate
113.2Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
Planning a trip in February

Hazard calendar for Nakano

In seasonPeak

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

Nakano 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 February a good time to visit Nakano?

Our two travel scores rate February 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

February is a weaker month for outdoor sightseeing in Nakano.

What to pack for Nakano in February

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

In February, Nakano sees daytime highs around 2°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. About 19 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Nakano in February

The nearest coast averages about 11°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 47 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 20 to Nov 1 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec15Cool

UV index in Nakano in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nakano peaks around August 13 at about 10 (extreme) — 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateAug 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Nakano in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Nakano is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Nakano?

Nakano sits at 36.8°N, 138.4°E, 380 m above sea level, in Japan. The nearest listed city is Iiyama, 11 km away.

Topography around Nakano

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

Within 3 km, the terrain around Nakano has significant variations in elevation — a maximum elevation change of 376 m around an average of 401 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,851 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,069 m.

The land around Nakano is covered by trees (42%), artificial surfaces (31%) and cropland (22%) within 3 km, trees (74%) within 16 km, and trees (73%) within 80 km.

3 km
376 m
16 km
1,851 m
80 km
3,069 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Iiyama 11 km · Suzaka 12 km · Nagano 20 km · Arai 31 km · Myoko 32 km · Chikuma 35 km · Sakaki 36 km · Ueda 39 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 Nakano (36.75°, 138.3667°, elevation 380 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).