Olympia weather in April

In April, Olympia sees average daytime highs of 57°F and overnight lows near 43°F, with 4.7 in of precipitation across 14.9 wet days and about 13.3 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 55°F in the first days to 60°F by the end. The sky is clear or mostly clear about 14% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 h 06 min by month's end. Set against the rest of the year, April is Olympia's 8th-clearest and 6th-windiest month. For the whole year in context, see Olympia's year-round climate.

Daytime high
57°
7th warmest
Overnight low
43°
6th coldest
Precipitation
4.7 in
14.9 wet days
Daylight
13 h 24 min
5:31 AM – 6:52 PM
Cloud cover
73%
8th clearest
Wind
6 mph
6th windiest
Solar energy
4.35 kWh/m²
Travel score
3.5
out of 10

Olympia is capital city of the U.S. state of Washington and seat of Thurston County.

Density
1,093/km²
people per km²
Founded
1859

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 55°F in the first days to 60°F by the end.

A typical April day in Olympia reaches about 57°F in the afternoon and slips back to 43°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 66°F. Set against its neighbours, April runs about 5°F warmer than March and about 6°F cooler than May.

30°40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
15441
25541
35541
45542
55542
65542
75542
85542
95642
105642
115642
125642
135642
145643
155743
165743
175743
185743
195843
205843
215844
225844
235944
245944
255944
265944
276044
286045
296045
306045

How April really feels in Olympia

Once humidity and wind are folded in, April 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

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

Olympia weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan45° / 38°7.617.52.38.70.9
Feb48° / 38°5.314.42101.5
Mar52° / 40°6.317.61.111.62.2
Apr57° / 43°4.714.90.113.33.5
May63° / 48°2.910.2014.85.5
Jun68° / 52°1.87.5015.66.5
Jul74° / 55°0.73.1015.38.2
Aug75° / 55°1.040148.2
Sep69° / 52°2.17012.47.0
Oct59° / 47°5.112.7010.64.3
Nov50° / 41°8.417.60.69.11.8
Dec45° / 37°8.117.12.38.40.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32476
42377
52377
62377
72476
82377
92377
102377
112575
122575
132575
142674
152773
162773
172872
182872
192872
202971
213070
223070
233169
243169
253268
263268
273268
283367
293367
303367

Chance of precipitation in April

Any precipitation

Olympia gets around 4.7 in of rain and snow over 14.9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 50% and peaks near 55% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
154
254
354
454
554
655
755
855
955
1055
1155
1255
1354
1453
1553
1652
1751
1850
1949
2048
2147
2246
2345
2444
2544
2643
2742
2842
2941
3040

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991

Wind in April

Winds average 6 mph in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over April. Sunrise moves from 6:01 AM to 5:06 AM, and sunset from 6:31 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:016:31
212.65:596:33
312.65:576:34
412.75:556:36
512.75:536:37
612.85:516:38
712.85:496:40
812.95:476:41
913.05:456:43
1013.05:436:44
1113.15:416:45
1213.15:396:47
1313.25:376:48
1413.25:356:50
1513.35:336:51
1613.45:316:52
1713.45:296:54
1813.55:276:55
1913.55:266:57
2013.65:246:58
2113.65:226:59
2213.75:207:01
2313.75:187:02
2413.85:167:04
2513.85:157:05
2613.95:137:06
2713.95:117:08
2814.05:097:09
2914.05:087:11
3014.15:067:12

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.35 kWh/m².

For context, solar energy here swings from a low near 0.89 kWh/m² to a high of 6.29 kWh/m² in July across the year — April's 4.35 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.9Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Hazard calendar for Olympia

In seasonPeak

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

Olympia'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 April a good time to visit Olympia?

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

3.5
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Olympia.

What to pack for Olympia in April

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

In April, Olympia sees daytime highs around 57°F and nights near 43°F. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

UV index in Olympia in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Olympia 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 Olympia?

Olympia sits at 47.0°N, 122.9°W, 95 ft above sea level, in United States. The nearest listed city is Tumwater, 2.5 mi away.

Topography around Olympia

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

Within 2 miles, the terrain around Olympia has only modest variations in elevation — a maximum elevation change of 364 ft around an average of 135 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,241 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,555 ft.

The land around Olympia is covered by trees (57%) and artificial surfaces (22%) within 2 miles, trees (63%) within 10 miles, and trees (81%) within 50 miles.

2 miles
364 ft
10 miles
2,241 ft
50 miles
6,555 ft
treesgrasslandartificial surfaceswater
April weather nearby: Tumwater 2.5 mi · Lacey 3.7 mi · Lakewood 20 mi · University Place 21 mi · Spanaway 22 mi · Centralia 23 mi · Parkland 23 mi · Frederickson 26 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 Olympia (47.0449°, -122.9017°, elevation 95 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).