Lacey weather in January

In January, Lacey sees average daytime highs of 45°F and overnight lows near 38°F, with 7.2 in of precipitation across 17.6 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 14% 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 Lacey's 11th-clearest and 3rd-windiest month. For the whole year in context, see Lacey's year-round climate.

Daytime high
45°
11th warmest
Overnight low
38°
2nd coldest
Precipitation
7.2 in
17.6 wet days
Daylight
8 h 42 min
8:00 AM – 4:42 PM
Cloud cover
77%
11th clearest
Wind
6 mph
3rd windiest
Solar energy
1.07 kWh/m²
Travel score
0.9
out of 10

Lacey is city in Thurston County, Washington, United States.

Density
1,078/km²
people per km²
Founded
1966

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 Lacey reaches about 45°F in the afternoon and slips back to 38°F overnight — a 8°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)
14437
24437
34437
44437
54437
64437
74537
84537
94537
104537
114538
124538
134538
144538
154538
164538
174538
184638
194638
204638
214638
224638
234638
244638
254638
264638
274638
284738
294738
304738
314738

Lacey 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° / 38°7.217.62.68.70.9
Feb48° / 38°5.114.12.2101.5
Mar52° / 40°6.017.41.311.62.2
Apr57° / 43°4.614.80.113.33.4
May63° / 48°2.910.7014.85.4
Jun68° / 52°1.87.7015.66.5
Jul74° / 56°0.73.5015.38.2
Aug75° / 56°1.040148.2
Sep69° / 53°2.17.3012.47.0
Oct59° / 47°4.912.7010.64.3
Nov50° / 41°8.017.60.69.11.8
Dec45° / 38°7.616.82.58.40.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22278
32179
42179
52278
62278
72278
82278
92179
102179
112179
122080
132080
142080
152080
162080
172080
182080
192080
202080
212080
222080
232179
242179
252278
262278
272278
282278
292278
302278
312278

Chance of precipitation in January

Any precipitationSnow

Lacey gets around 7.2 in of rain and snow over 17.6 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 56% and peaks near 58% on the wettest days, and about 3 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15710
25710
3589
4589
5589
6589
7579
8578
9578
10578
11578
12578
13578
14568
15568
16568
17558
18558
19558
20558
21558
22558
23558
24558
25558
26558
27548
28548
29538
30538
31528

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 8:03 AM to 7:47 AM, and sunset from 4:25 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.48:034:25
28.48:034:26
38.48:034:27
48.48:034:28
58.48:034:29
68.48:034:30
78.58:034:31
88.58:034:32
98.58:034:33
108.58:024:34
118.68:024:36
128.68:024:37
138.68:014:38
148.68:014:39
158.78:004:40
168.78:004:42
178.77:594:43
188.87:584:44
198.87:584:45
208.87:574:47
218.97:564:48
228.97:554:50
238.97:554:51
249.07:544:52
259.07:534:54
269.17:524:55
279.17:514:57
289.17:504:58
299.27:495:00
309.27:485:01
319.37:475:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.07 kWh/m².

For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 6.31 kWh/m² in July across the year — January's 1.07 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
61.0Dim
71.0Dim
81.0Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.0Dim
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 Lacey

In seasonPeak

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

Lacey'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 Lacey?

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 Lacey.

What to pack for Lacey in January

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

In January, Lacey sees daytime highs around 45°F and nights near 38°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 Lacey 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 Lacey peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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
Location & terrain

Where is Lacey?

Lacey sits at 47.0°N, 122.8°W, 203 ft above sea level, in United States. The nearest listed city is Olympia, 3.7 mi away.

Topography around Lacey

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

Within 2 miles, the terrain around Lacey has only modest variations in elevation — a maximum elevation change of 256 ft around an average of 200 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,293 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 12,067 ft.

The land around Lacey is covered by trees (63%) and artificial surfaces (21%) within 2 miles, trees (62%) within 10 miles, and trees (80%) within 50 miles.

2 miles
256 ft
10 miles
1,293 ft
50 miles
12,067 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Olympia 3.7 mi · Tumwater 4.3 mi · Lakewood 17 mi · Spanaway 19 mi · University Place 19 mi · Parkland 20 mi · Frederickson 22 mi · Centralia 23 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 Lacey (47.0343°, -122.8232°, elevation 203 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).