Fujisawa weather in December

In December, Fujisawa sees average daytime highs of 12°C and overnight lows near 9°C, with 82 mm of precipitation across 9.5 wet days and about 9.7 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Fujisawa's 1st-clearest and 6th-windiest month. For the whole year in context, see Fujisawa's year-round climate.

Daytime high
12°
9th warmest
Overnight low
4th coldest
Precipitation
82 mm
9.5 wet days
Daylight
9 h 36 min
6:49 AM – 4:27 PM
Cloud cover
45%
1st clearest
Wind
18 km/h
6th windiest
Solar energy
2.29 kWh/m²
Travel score
3.6
out of 10

Fujisawa is city in Kanagawa Prefecture, Japan.

Density
6,322/km²
people per km²
Founded
1940

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical December day in Fujisawa reaches about 12°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 3°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11411
21411
31410
41410
51410
61410
71410
81310
91310
10139
11139
12139
13139
14139
15129
16129
17129
18128
19128
20128
21128
22128
23128
24118
25118
26118
27118
28117
29117
30117
31117

Fujisawa weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 8990.59.92.4
Feb10° / 949.50.910.72.3
Mar12° / 16414.70.211.73.1
Apr16° / 12°15113.4012.94.5
May19° / 16°15911.9013.85.7
Jun22° / 20°20414014.35.6
Jul25° / 23°16712014.16.3
Aug27° / 25°12510.6013.36.5
Sep25° / 22°20814.1012.26.1
Oct21° / 18°24414.2011.15.9
Nov17° / 13°12712.4010.15.1
Dec12° / 829.50.19.73.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
46040
56040
66139
76238
86238
96337
106436
116535
126535
136634
146634
156634
166634
176733
186832
196931
206931
216931
227030
237030
247129
257129
267129
277129
287228
297228
307228
317327

Chance of precipitation in December

Any precipitation

Fujisawa gets around 82 mm of rain and snow over 9.5 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 40% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
339
438
538
637
736
835
935
1034
1133
1232
1332
1431
1530
1630
1729
1828
1928
2027
2127
2226
2326
2426
2525
2625
2725
2824
2924
3024
3124

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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%151015202531
Dry (%)Comfortable (%)Humid (%)
19631
29631
39631
49631
59631
69631
79721
89820
99820
109820
119910
129910
139910
149910
159910
169910
179910
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 6:38 AM to 6:56 AM, and sunset from 4:25 PM to 4:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:384:25
29.86:394:25
39.86:404:25
49.76:414:25
59.76:424:25
69.76:424:25
79.76:434:25
89.76:444:25
99.76:454:26
109.76:454:26
119.76:464:26
129.76:474:26
139.66:484:26
149.66:484:26
159.66:494:27
169.66:494:27
179.66:504:27
189.66:514:28
199.66:514:28
209.66:524:29
219.66:524:29
229.66:534:29
239.66:534:30
249.66:544:30
259.66:544:31
269.66:544:31
279.66:554:32
289.66:554:33
299.66:554:33
309.66:564:34
319.66:564:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.29 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 5.18 kWh/m² in May across the year — December's 2.29 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.2Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Fujisawa

In seasonPeak

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

Fujisawa 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 December a good time to visit Fujisawa?

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

3.6
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Fujisawa.

What to pack for Fujisawa in December

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

In December, Fujisawa sees daytime highs around 12°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Fujisawa in December

The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 26 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Fujisawa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fujisawa peaks around July 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJul 22UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Fujisawa in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Fujisawa is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1525 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar23Moderate
Apr26Moderate
May21Moderate
Jun18Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Fujisawa?

Fujisawa sits at 35.3°N, 139.5°E, 12 m above sea level, in Japan. The nearest listed city is Chigasaki, 7.0 km away.

Topography around Fujisawa

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

Within 3 km, the terrain around Fujisawa has only modest variations in elevation — a maximum elevation change of 72 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.

The land around Fujisawa is covered by artificial surfaces (73%) and trees (20%) within 3 km, artificial surfaces (47%) and water (30%) within 16 km, and trees (39%), water (34%) and artificial surfaces (21%) within 80 km.

3 km
72 m
16 km
210 m
80 km
3,737 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Chigasaki 7.0 km · Kamakura 8.0 km · Ebina 8.0 km · Nihammatsu 8.0 km · Ayase 11 km · Zushi 11 km · Hayama 12 km · Hiratsuka 13 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 Fujisawa (35.3493°, 139.4767°, elevation 12 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).