Bremerton weather in December

In December, Bremerton sees average daytime highs of 45°F and overnight lows near 39°F, with 7.4 in of precipitation across 17.9 wet days and about 8.3 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 45°F through the month. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of December to 8 h 18 min by month's end. Set against the rest of the year, December is Bremerton's 12th-clearest and 2nd-windiest month. For the whole year in context, see Bremerton's year-round climate.

Daytime high
45°
12th warmest
Overnight low
39°
2nd coldest
Precipitation
7.4 in
17.9 wet days
Daylight
8 h 12 min
7:59 AM – 4:14 PM
Cloud cover
80%
12th clearest
Wind
6 mph
2nd windiest
Solar energy
0.87 kWh/m²
Travel score
0.9
out of 10

Bremerton is city in Kitsap County, Washington, United States.

Density
537/km²
people per km²
Founded
1891

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 45°F through the month.

A typical December day in Bremerton reaches about 45°F in the afternoon and slips back to 39°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 50°F. Set against its neighbours, December runs about 5°F cooler than November and on par with January.

30°40°50°60°151015202531
Avg high (°F)Avg low (°F)
14741
24740
34640
44640
54640
64640
74640
84640
94640
104640
114640
124640
134640
144540
154539
164539
174539
184539
194539
204539
214539
224539
234539
244539
254539
264539
274539
284539
294539
304539
314539

Bremerton weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 39°6.717.82.88.70.9
Feb48° / 40°4.614.61.89.91.4
Mar51° / 41°5.317111.62.1
Apr56° / 44°4.014.70.213.33.2
May62° / 50°2.812.2014.95.0
Jun67° / 55°2.29.7015.76.1
Jul73° / 59°1.36.1015.47.7
Aug74° / 60°1.46.1014.17.8
Sep68° / 56°2.59.7012.46.5
Oct59° / 50°5.115.1010.64.0
Nov50° / 44°7.518.20.79.11.9
Dec45° / 39°7.417.92.48.30.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22179
32179
42080
52080
62080
71882
81882
91783
101684
111585
121486
131387
141387
151288
161288
171288
181288
191387
201387
211486
221486
231486
241684
251684
261783
271882
281882
291981
302080
312179

Chance of precipitation in December

Any precipitationSnow

Bremerton gets around 7.4 in of rain and snow over 17.9 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 59% and peaks near 61% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1586
2586
3586
4586
5586
6586
7586
8596
9596
10596
11606
12606
13616
14617
15617
16617
17618
18618
19608
20609
21599
225910
235810
245810
255710
265710
275710
285711
295711
305711
315811

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 6 mph in December.

Across December, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 30 min at the start of December to 8 h 18 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 7:45 AM to 8:05 AM, and sunset from 4:16 PM to 4:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.57:454:16
28.57:464:15
38.57:474:15
48.47:484:15
58.47:494:14
68.47:504:14
78.47:514:14
88.47:524:14
98.37:534:14
108.37:544:14
118.37:554:14
128.37:564:14
138.37:574:14
148.37:584:14
158.37:584:14
168.27:594:14
178.28:004:14
188.28:014:15
198.28:014:15
208.28:024:15
218.28:024:16
228.28:034:16
238.28:034:17
248.28:044:17
258.28:044:18
268.28:044:18
278.28:054:19
288.28:054:20
298.38:054:21
308.38:054:21
318.38:054:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.87 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 6.22 kWh/m² in July across the year — December's 0.87 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.0Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.9Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.9Dim
250.9Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in December

Hazard calendar for Bremerton

In seasonPeak

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

Bremerton's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Bremerton?

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

0.9
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Bremerton.

What to pack for Bremerton in December

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

In December, Bremerton sees daytime highs around 45°F and nights near 39°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 18 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Bremerton in December

The nearest coast averages about 47°F 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 40 mi away) is warmest in August at about 53°F and coldest in February near 46°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

45°50°55°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°F)Comfort
Jan46Bracing
Feb46Bracing
Mar47Bracing
Apr48Bracing
May50Bracing
Jun52Bracing
Jul53Bracing
Aug53Bracing
Sep53Bracing
Oct50Bracing
Nov49Bracing
Dec47Bracing

UV index in Bremerton in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bremerton peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Bremerton?

Bremerton sits at 47.6°N, 122.6°W, 36 ft above sea level, in United States. The nearest listed city is Silverdale, 6.2 mi away.

Topography around Bremerton

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bremerton.

Within 2 miles, the terrain around Bremerton has only modest variations in elevation — a maximum elevation change of 449 ft around an average of 82 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,778 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,589 ft.

The land around Bremerton is covered by water (40%), trees (28%) and artificial surfaces (28%) within 2 miles, trees (64%) and water (26%) within 10 miles, and trees (71%) within 50 miles.

2 miles
449 ft
10 miles
1,778 ft
50 miles
7,589 ft
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Silverdale 6.2 mi · Bainbridge Island 6.8 mi · Seattle 14 mi · Burien 15 mi · Columbia City 17 mi · SeaTac 18 mi · Des Moines 19 mi · Tukwila 19 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Bremerton (47.5673°, -122.6326°, elevation 36 ft), 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).