Kashima-shi weather in December

In December, Kashima-shi sees average daytime highs of 12°C and overnight lows near 9°C, with 86 mm of rain across 10.2 wet days and about 9.6 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 10°C by the end. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Kashima-shi's 2nd-clearest and 6th-windiest month. For the whole year in context, see Kashima-shi's year-round climate.

Daytime high
12°
9th warmest
Overnight low
4th coldest
Rainfall
86 mm
10.2 wet days
Daylight
9 h 36 min
6:46 AM – 4:21 PM
Cloud cover
43%
2nd clearest
Wind
19 km/h
6th windiest
Solar energy
2.3 kWh/m²
Travel score
3.3
out of 10

Kashima-shi is city in Ibaraki Prefecture, Japan.

Density
631/km²
people per km²
Founded
1995

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 10°C by the end.

A typical December day in Kashima-shi reaches about 12°C in the afternoon and slips back to 9°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°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
51310
61310
71310
81310
9139
10139
11129
12129
13129
14129
15129
16128
17128
18128
19118
20118
21118
22118
23118
24117
25117
26117
27117
28107
29107
30107
31107

Kashima-shi weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 899.30.29.82.1
Feb / 849.20.610.62.0
Mar12° / 142130.211.72.9
Apr15° / 12°12612.5012.94.4
May19° / 16°14512.2013.95.6
Jun21° / 19°16413.1014.45.7
Jul25° / 22°14012014.26.4
Aug26° / 24°909.2013.46.7
Sep24° / 22°17413.6012.26.1
Oct20° / 18°23213.9011.15.8
Nov16° / 13°12111.6010.15.0
Dec12° / 8610.209.63.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
36040
46139
56139
66238
76337
86337
96436
106535
116535
126634
136634
146733
156733
166733
176832
186733
196832
206832
216931
226931
237030
247030
257030
267129
277129
287228
297228
307228
317327

Chance of precipitation in December

Any precipitation

Kashima-shi gets around 86 mm of rain over 10.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
738
838
937
1036
1136
1235
1334
1433
1533
1632
1731
1830
1929
2029
2128
2228
2327
2427
2527
2626
2726
2826
2925
3025
3125

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 (%)
19451
29640
39640
49640
59730
69730
79730
89820
99820
109820
119820
129910
139910
149910
159910
169910
179910
189910
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 19 km/h in December.

Across December, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 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 6 minutes over December. Sunrise moves from 6:35 AM to 6:53 AM, and sunset from 4:19 PM to 4:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:354:19
29.76:364:19
39.76:374:19
49.76:384:19
59.76:394:19
69.76:394:19
79.66:404:19
89.66:414:19
99.66:424:19
109.66:424:19
119.66:434:19
129.66:444:20
139.66:454:20
149.66:454:20
159.66:464:20
169.66:464:21
179.66:474:21
189.66:484:21
199.66:484:22
209.66:494:22
219.66:494:23
229.66:504:23
239.66:504:24
249.66:514:24
259.66:514:25
269.66:514:25
279.66:524:26
289.66:524:26
299.66:524:27
309.66:534:28
319.66:534:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.3 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 5.52 kWh/m² in May across the year — December's 2.3 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
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Kashima-shi

In seasonPeak

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

Kashima-shi 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 Kashima-shi?

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

3.3
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 Kashima-shi.

What to pack for Kashima-shi in December

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

In December, Kashima-shi sees daytime highs around 12°C and nights near 9°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Kashima-shi in December

The nearest coast averages about 16°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 18 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 23 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Kashima-shi 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 Kashima-shi peaks around August 13 at about 10 (extreme) — 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 highVery highModerateAug 13UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Kashima-shi 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 Kashima-shi is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1920 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar18Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Good
Aug11Good
Sep10Good
Oct10Good
Nov9Good
Dec7Good
Location & terrain

Where is Kashima-shi?

Kashima-shi sits at 36.0°N, 140.6°E, 38 m above sea level, in Japan. The nearest listed city is Kamisu, 8.0 km away.

Topography around Kashima-shi

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

Within 3 km, the terrain around Kashima-shi has only modest variations in elevation — a maximum elevation change of 63 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Kashima-shi is covered by artificial surfaces (42%) and trees (26%) within 3 km, water (48%) within 16 km, and water (39%) and trees (26%) within 80 km.

3 km
63 m
16 km
68 m
80 km
840 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kamisu 8.0 km · Itako 9.0 km · Omigawa 13 km · Namegata 14 km · Katori-shi 15 km · Sawara 16 km · Hokota 24 km · Asahi 28 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 Kashima-shi (35.9654°, 140.6447°, elevation 38 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).