Murakami weather in December

In December, Murakami sees average daytime highs of 6°C and overnight lows near 2°C, with 222 mm of precipitation across 25.6 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 5°C by the end. The sky is clear or mostly clear about 6% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Murakami's 11th-clearest and 2nd-windiest month. For the whole year in context, see Murakami's year-round climate.

Daytime high
10th warmest
Overnight low
4th coldest
Precipitation
222 mm
25.6 wet days
Daylight
9 h 24 min
6:58 AM – 4:19 PM
Cloud cover
78%
11th clearest
Wind
13 km/h
2nd windiest
Solar energy
1.65 kWh/m²
Travel score
0.4
out of 10

Murakami is city in Niigata Prefecture, Japan.

Density
50/km²
people per km²
Founded
1954

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 9°C in the first days to 5°C by the end.

A typical December day in Murakami reaches about 6°C in the afternoon and slips back to 2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 10°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
194
294
394
484
583
683
783
883
973
1073
1172
1272
1372
1462
1562
1662
1762
1862
1962
2062
2161
2251
2351
2451
2551
2651
2751
2851
2951
3041
3141

How December really feels in Murakami

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 25 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
25
wind chill below the day's low

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

Murakami weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°20926.923.29.60.0
Feb / -1°14722.118.810.50.0
Mar / 14820.711.711.70.9
Apr14° / 12015.11.7133.5
May19° / 12°12613.10145.7
Jun23° / 17°15613.1014.66.1
Jul27° / 21°28617.4014.45.2
Aug28° / 22°20714.8013.55.2
Sep25° / 18°15714.2012.35.9
Oct19° / 12°16716.10115.1
Nov12° / 18319.71.69.92.6
Dec / 22225.614.59.40.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22080
32080
42080
51882
61882
71783
81783
91684
101585
111585
121585
131585
141486
151486
161486
171486
181486
191486
201486
211486
221387
231387
241387
251387
261387
271387
281288
291189
301189
311090

Chance of precipitation in December

Any precipitationSnow

Murakami gets around 222 mm of rain and snow over 25.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 82% and peaks near 86% on the wettest days, and about 15 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)Snow chance (%)
17520
27622
37724
47827
57929
68031
78133
88236
98338
108340
118442
128444
138445
148446
158448
168449
178450
188351
198351
208352
218353
228354
238355
248356
258457
268458
278459
288561
298562
308664
318665

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 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 December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light 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
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 24 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 6:46 AM to 7:04 AM, and sunset from 4:18 PM to 4:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.56:464:18
29.56:474:18
39.56:484:18
49.56:484:17
59.56:494:17
69.56:504:17
79.46:514:17
89.46:524:17
99.46:534:17
109.46:534:18
119.46:544:18
129.46:554:18
139.46:564:18
149.46:564:18
159.46:574:19
169.46:584:19
179.36:584:19
189.36:594:19
199.36:594:20
209.37:004:20
219.37:004:21
229.37:014:21
239.37:014:22
249.37:024:22
259.37:024:23
269.37:034:23
279.37:034:24
289.47:034:24
299.47:044:25
309.47:044:26
319.47:044:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.65 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 5.57 kWh/m² in May across the year — December's 1.65 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Murakami

In seasonPeak

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

Murakami 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 Murakami?

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

0.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Murakami.

What to pack for Murakami in December

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

In December, Murakami sees daytime highs around 6°C and nights near 2°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 26 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Murakami in December

The nearest coast averages about 15°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 15 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 21 to Oct 29 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Bracing

UV index in Murakami 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 Murakami peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 15UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Murakami 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 Murakami is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1421 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun15Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Murakami?

Murakami sits at 38.2°N, 139.5°E, 4 m above sea level, in Japan. The nearest listed city is Tainai, 20 km away.

Topography around Murakami

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

Within 3 km, the terrain around Murakami has significant variations in elevation — a maximum elevation change of 402 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 998 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Murakami is covered by trees (51%), cropland (22%) and artificial surfaces (21%) within 3 km, trees (52%) and water (33%) within 16 km, and trees (50%) and water (36%) within 80 km.

3 km
402 m
16 km
998 m
80 km
2,110 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tainai 20 km · Shibata 34 km · Suibara 48 km · Agano 50 km · Nagai 50 km · Kameda-honchō 52 km · Niigata 52 km · Niitsu-honchō 58 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 Murakami (38.2333°, 139.4833°, elevation 4 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).