Spanaway weather in January

In January, Spanaway sees average daytime highs of 45°F and overnight lows near 37°F, with 7.4 in of precipitation across 17.9 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 3rd-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 15% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Spanaway's 11th-clearest and 3rd-windiest month. For the whole year in context, see Spanaway's year-round climate.

Daytime high
45°
11th warmest
Overnight low
37°
3rd coldest
Precipitation
7.4 in
17.9 wet days
Daylight
8 h 42 min
7:58 AM – 4:40 PM
Cloud cover
76%
11th clearest
Wind
6 mph
3rd windiest
Solar energy
1.08 kWh/m²
Travel score
0.9
out of 10

Spanaway is census designated place in Pierce County, Washington, United States.

Density
1,149/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Spanaway reaches about 45°F in the afternoon and slips back to 37°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 38°F and 52°F. Set against its neighbours, January runs on par with December and about 3°F cooler than February.

20°30°40°50°60°151015202531
Avg high (°F)Avg low (°F)
14436
24436
34436
44436
54436
64436
74436
84436
94536
104536
114536
124536
134536
144536
154537
164537
174537
184537
194637
204637
214637
224637
234637
244637
254637
264637
274637
284637
294637
304737
314737

How January really feels in Spanaway

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 20 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
20
wind chill below the day's low

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

Spanaway weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan45° / 37°7.417.93.88.70.9
Feb48° / 37°5.314.73.1101.4
Mar52° / 38°6.118.12.411.62.1
Apr56° / 42°4.715.80.413.33.3
May63° / 47°3.111.5014.85.2
Jun67° / 51°2.18.5015.66.3
Jul74° / 54°0.73.7015.38.1
Aug74° / 54°1.040148.2
Sep68° / 51°2.37.2012.46.9
Oct58° / 45°5.013.2010.64.1
Nov49° / 39°8.118.11.19.11.7
Dec44° / 36°7.617.33.58.40.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22476
32476
42575
52575
62476
72377
82377
92377
102377
112377
122278
132377
142377
152377
162377
172377
182377
192476
202476
212377
222377
232377
242377
252278
262476
272476
282377
292278
302278
312377

Chance of precipitation in January

Any precipitationSnow

Spanaway gets around 7.4 in of rain and snow over 17.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 57% and peaks near 59% on the wettest days, and about 4 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15813
25913
35913
45913
55913
65913
75912
85912
95912
105812
115812
125811
135811
145711
155711
165711
175611
185611
195611
205611
215611
225611
235612
245612
255612
265612
275612
285612
295512
305512
315513

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 6 mph in January.

Across January, daily wind ranges from about 6 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
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 24 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:02 AM to 7:45 AM, and sunset from 4:24 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.48:024:24
28.48:024:24
38.48:024:25
48.48:024:26
58.48:024:27
68.48:024:28
78.58:024:29
88.58:024:30
98.58:014:31
108.58:014:33
118.68:014:34
128.68:004:35
138.68:004:36
148.67:594:37
158.77:594:39
168.77:584:40
178.77:584:41
188.87:574:42
198.87:564:44
208.87:564:45
218.97:554:46
228.97:544:48
238.97:534:49
249.07:524:51
259.07:524:52
269.07:514:53
279.17:504:55
289.17:494:56
299.27:484:58
309.27:474:59
319.37:455:01

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.08 kWh/m².

For context, solar energy here swings from a low near 0.91 kWh/m² to a high of 6.34 kWh/m² in July across the year — January's 1.08 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
21.0Dim
31.0Dim
41.0Dim
51.0Dim
61.0Dim
71.0Dim
81.0Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.1Dim
161.1Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in January

Hazard calendar for Spanaway

In seasonPeak

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

Spanaway'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 January a good time to visit Spanaway?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Spanaway.

What to pack for Spanaway in January

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

In January, Spanaway sees daytime highs around 45°F and nights near 37°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 18 days see rain.

a warm layerrain geara heavy coat

UV index in Spanaway in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Spanaway peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 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 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7Very high
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Spanaway in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Spanaway is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1322 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr12Good
May11Good
Jun10Good
Jul10Good
Aug18Moderate
Sep22Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Spanaway?

Spanaway sits at 47.1°N, 122.4°W, 381 ft above sea level, in United States. The nearest listed city is Parkland, 3.7 mi away.

Topography around Spanaway

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

Within 2 miles, the terrain around Spanaway has only modest variations in elevation — a maximum elevation change of 226 ft around an average of 377 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 974 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 14,403 ft.

The land around Spanaway is covered by trees (62%) within 2 miles, trees (56%) and grassland (23%) within 10 miles, and trees (78%) within 50 miles.

2 miles
226 ft
10 miles
974 ft
50 miles
14,403 ft
treesgrasslandartificial surfaceswater
January weather nearby: Parkland 3.7 mi · Frederickson 3.7 mi · Lakewood 6.2 mi · Graham 7.5 mi · South Hill 8.1 mi · Puyallup 8.7 mi · Tacoma 11 mi · University Place 11 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 Spanaway (47.104°, -122.4346°, elevation 381 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. 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).