Centralia weather in August

In August, Centralia sees average daytime highs of 76°F and overnight lows near 53°F, with 1.0 in of rain across 4.1 wet days and about 14 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 74°F by the end. The sky is clear or mostly clear about 48% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Centralia's 2nd-clearest and 11th-windiest month. For the whole year in context, see Centralia's year-round climate.

Daytime high
76°
1st warmest
Overnight low
53°
12th coldest
Rainfall
1.0 in
4.1 wet days
Daylight
14 hours
5:15 AM – 7:17 PM
Cloud cover
45%
2nd clearest
Wind
5 mph
11th windiest
Solar energy
5.53 kWh/m²
Travel score
8.1
out of 10

Centralia is city in Lewis County, Washington, United States.

Density
856/km²
people per km²
Founded
1852

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 77°F in the first days to 74°F by the end.

A typical August day in Centralia reaches about 76°F in the afternoon and slips back to 53°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 87°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17754
27754
37754
47754
57754
67754
77754
87754
97754
107754
117754
127754
137754
147754
157654
167654
177654
187653
197653
207653
217653
227553
237553
247553
257553
267553
277453
287453
297452
307452
317452

How August really feels in Centralia

Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Centralia weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 36°7.3182.48.80.9
Feb49° / 36°5.314.82.1101.6
Mar53° / 38°6.218.21.411.62.4
Apr58° / 41°4.816.30.113.33.5
May64° / 46°3.111.5014.85.4
Jun68° / 50°2.08.4015.66.5
Jul75° / 53°0.63.7015.38.1
Aug76° / 53°1.04.10148.1
Sep70° / 50°2.17.5012.47.0
Oct59° / 44°5.013010.64.4
Nov50° / 38°8.218.20.89.21.8
Dec45° / 35°7.817.72.78.40.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26832
36832
46733
56535
66535
76436
86337
96238
106238
116238
126238
136238
146139
156139
166139
176139
186139
196139
206040
216040
225941
235941
245941
255842
265842
275842
285941
295941
305941
315941

Chance of precipitation in August

Any precipitation

Centralia gets around 1.0 in of rain over 4.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
19
29
310
410
510
611
711
811
911
1012
1112
1212
1312
1413
1513
1613
1713
1814
1914
2014
2115
2215
2316
2416
2517
2617
2718
2818
2919
3020
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
181181
280191
380191
479201
578211
677221
776231
876231
975241
1074251
1174251
1274251
1374251
1474251
1574251
1674251
1775241
1875241
1975241
2075241
2176231
2276231
2376231
2477221
2577221
2678211
2778211
2878211
2978211
3079201
3179201

Wind in August

Winds average 5 mph in August.

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

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 42 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 4:56 AM to 5:35 AM, and sunset from 7:40 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:567:40
214.74:577:38
314.64:587:37
414.65:007:36
514.65:017:34
614.55:027:33
714.55:047:31
814.45:057:30
914.45:067:28
1014.35:077:27
1114.35:097:25
1214.25:107:23
1314.25:117:22
1414.15:137:20
1514.15:147:18
1614.05:157:17
1714.05:167:15
1813.95:187:13
1913.95:197:11
2013.85:207:10
2113.85:227:08
2213.75:237:06
2313.75:247:04
2413.65:267:02
2513.65:277:00
2613.55:286:58
2713.45:306:57
2813.45:316:55
2913.35:326:53
3013.35:346:51
3113.25:356:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.53 kWh/m².

For context, solar energy here swings from a low near 0.92 kWh/m² to a high of 6.31 kWh/m² in July across the year — August's 5.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.1Intense
56.1Intense
66.0Intense
76.0Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Hazard calendar for Centralia

In seasonPeak

None of Centralia's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Centralia'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 August a good time to visit Centralia?

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

8.1
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

August is one of the better times to visit Centralia for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Centralia in August

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

In August, Centralia sees daytime highs around 76°F and nights near 53°F. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Centralia in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Centralia 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
Feb2Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Centralia in August

GoodModeratePoorUnhealthyVery unhealthy

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

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1519 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May10Good
Jun10Good
Jul9Good
Aug15Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Centralia?

Centralia sits at 46.7°N, 123.0°W, 187 ft above sea level, in United States. The nearest listed city is Tumwater, 21 mi away.

Topography around Centralia

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

Within 2 miles, the terrain around Centralia has only modest variations in elevation — a maximum elevation change of 535 ft around an average of 253 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,368 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,208 ft.

The land around Centralia is covered by trees (50%) and grassland (30%) within 2 miles, trees (63%) and grassland (33%) within 10 miles, and trees (82%) within 50 miles.

2 miles
535 ft
10 miles
1,368 ft
50 miles
7,208 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Tumwater 21 mi · Lacey 23 mi · Olympia 23 mi · Spanaway 36 mi · Lakewood 38 mi · Frederickson 39 mi · Graham 39 mi · Parkland 39 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 Centralia (46.7162°, -122.9543°, elevation 187 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).