Sasebo weather in February

In February, Sasebo sees average daytime highs of 11°C and overnight lows near 5°C, with 72 mm of precipitation across 8.4 wet days and about 10.8 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 12°C by the end. The sky is clear or mostly clear about 21% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of February to 11 h 12 min by month's end. Set against the rest of the year, February is Sasebo's 9th-clearest and 2nd-windiest month. For the whole year in context, see Sasebo's year-round climate.

Daytime high
11°
11th warmest
Overnight low
2nd coldest
Precipitation
72 mm
8.4 wet days
Daylight
10 h 48 min
7:12 AM – 5:59 PM
Cloud cover
65%
9th clearest
Wind
13 km/h
2nd windiest
Solar energy
3.11 kWh/m²
Travel score
2.8
out of 10

Sasebo is city in Nagasaki Prefecture, Japan.

Density
571/km²
people per km²
Founded
1902

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 10°C in the first days to 12°C by the end.

A typical February day in Sasebo reaches about 11°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 7°C and 16°C. Set against its neighbours, February runs about 1°C warmer than January and about 3°C cooler than March.

10°15°20°151015202528
Avg high (°C)Avg low (°C)
1104
2104
3104
4104
5104
6105
7105
8105
9115
10115
11115
12115
13115
14115
15115
16115
17115
18125
19125
20125
21126
22126
23126
24126
25126
26126
27136
28136

How February really feels in Sasebo

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

February sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sasebo 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
Jan10° / 618.40.710.12.3
Feb11° / 728.40.510.82.8
Mar15° / 11810.50.111.74.3
Apr19° / 12°13810.4012.86.0
May23° / 16°14910.1013.76.7
Jun26° / 20°30815.7014.15.5
Jul29° / 24°28516.30144.4
Aug31° / 25°17814.7013.24.0
Sep28° / 22°18612.3012.25.8
Oct23° / 17°1026.9011.27.4
Nov18° / 11°908.1010.36.0
Dec12° / 697.50.19.83.5

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 16% of February, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
13367
23466
33466
43565
53664
63664
73763
83763
93862
103862
113763
123961
133961
143961
153961
163961
173862
183862
193862
203961
213862
223862
233862
243961
254060
264060
274060
284060

Chance of precipitation in February

Any precipitationSnow

Sasebo gets around 72 mm of rain and snow over 8.4 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 30% and peaks near 33% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202528
Rain chance (%)Snow chance (%)
1283
2283
3283
4283
5282
6292
7292
8292
9292
10302
11301
12301
13301
14301
15301
16301
17311
18311
19311
20311
21311
22311
23311
24321
25321
26321
27321
28331

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991

Wind in February

Winds average 13 km/h in February.

Across February, 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.

05101520151015202528
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

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 24 min at the start of February to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over February. Sunrise moves from 7:23 AM to 6:59 AM, and sunset from 5:46 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:235:46
210.47:235:47
310.47:225:48
410.57:215:49
510.57:215:50
610.57:205:51
710.57:195:52
810.67:185:53
910.67:185:54
1010.67:175:54
1110.77:165:55
1210.77:155:56
1310.77:145:57
1410.77:135:58
1510.87:125:59
1610.87:116:00
1710.87:106:01
1810.97:096:02
1910.97:086:03
2010.97:076:04
2111.07:066:04
2211.07:056:05
2311.07:046:06
2411.17:036:07
2511.17:026:08
2611.17:016:09
2711.27:006:10
2811.26:596:10

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.11 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 5.4 kWh/m² in May across the year — February's 3.11 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.6Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.9Moderate
92.9Moderate
102.9Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.2Moderate
183.2Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.6Moderate
Planning a trip in February

Hazard calendar for Sasebo

In seasonPeak

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

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

Sasebo's rainy season runs May–September, 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 February a good time to visit Sasebo?

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

2.8
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

February is a weaker month for outdoor sightseeing in Sasebo.

What to pack for Sasebo in February

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

In February, Sasebo sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Sasebo in February

The nearest coast averages about 15°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 1 to Nov 26 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec18Cool

UV index in Sasebo 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 Sasebo peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 18UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sasebo 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 Sasebo is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateApr 1324 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May21Moderate
Jun17Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct11Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Sasebo?

Sasebo sits at 33.2°N, 129.7°E, 8 m above sea level, in Japan. The nearest listed city is Arita, 16 km away.

Topography around Sasebo

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

Within 3 km, the terrain around Sasebo has significant variations in elevation — a maximum elevation change of 561 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 779 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,455 m.

The land around Sasebo is covered by trees (46%) and artificial surfaces (38%) within 3 km, trees (58%) and water (28%) within 16 km, and water (66%) and trees (24%) within 80 km.

3 km
561 m
16 km
779 m
80 km
1,455 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Arita 16 km · Imarichō-kō 18 km · Matsuura 19 km · Saikai 21 km · Ureshinomachi-shimojuku 27 km · Hirado 27 km · Takeo 28 km · Kashima 35 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 Sasebo (33.1683°, 129.725°, elevation 8 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).