Karratha weather in April

In April, Karratha sees average daytime highs of 31°C and overnight lows near 26°C, with 25 mm of rain across 1.7 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 66% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 18 min by month's end. Set against the rest of the year, April is Karratha's 11th-clearest and 12th-windiest month. For the whole year in context, see Karratha's year-round climate.

Daytime high
31°
5th warmest
Overnight low
26°
8th coldest
Rainfall
25 mm
1.7 wet days
Daylight
11 h 30 min
6:27 AM – 5:59 PM
Cloud cover
32%
11th clearest
Wind
16 km/h
12th windiest
Solar energy
5.68 kWh/m²
Travel score
5.8
out of 10

Karratha is town in Western Australia.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 32°C in the first days to 30°C by the end.

A typical April day in Karratha reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, April runs about 1°C cooler than March and about 3°C warmer than May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193125
203125
213125
223125
233025
243025
253025
263025
273025
283024
293024
303024

How April really feels in Karratha

Once humidity and wind are folded in, April averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Karratha weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 27°453.913.15.0
Feb32° / 28°814.912.74.8
Mar32° / 28°683.412.14.8
Apr31° / 26°251.711.55.8
May28° / 22°252.6117.8
Jun25° / 19°312.710.88.7
Jul24° / 18°121.310.99.3
Aug25° / 19°30.511.39.5
Sep27° / 20°20.211.99.1
Oct29° / 23°10.212.57.7
Nov30° / 25°10.2136.8
Dec31° / 26°201.213.25.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27426
37426
47426
57525
67426
77426
87525
97525
107525
117624
127624
137624
147723
157822
167822
177822
187822
197822
207822
217921
227921
237822
247822
257723
267723
277624
287624
297624
307723

Chance of precipitation in April

Any precipitation

Karratha gets around 25 mm of rain over 1.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
18
28
37
47
57
66
76
86
96
106
116
126
136
146
156
165
175
185
195
205
215
225
236
246
256
266
276
287
297
307

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11516333213
21517343212
30517353111
40617363110
5161736319
6161737318
7161837317
8161838316
9171838306
10171938305
11171939305
12172039294
13172139284
14182238274
15182239273
16282339253
17282439243
18292539233
19292639212
203102639202
213102740182
224112740171
235112740161
246122739151
257122739141
268132738131
279142738121
2810152737111
2911152736111
3012162735100

Wind in April

Winds average 16 km/h in April, the calmest month.

Across April, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over April. Sunrise moves from 6:23 AM to 6:32 AM, and sunset from 6:12 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:236:12
211.86:236:11
311.86:236:10
411.86:236:09
511.76:246:08
611.76:246:07
711.76:246:06
811.76:256:06
911.76:256:05
1011.66:256:04
1111.66:266:03
1211.66:266:02
1311.66:266:01
1411.66:266:00
1511.56:275:59
1611.56:275:59
1711.56:275:58
1811.56:285:57
1911.56:285:56
2011.46:285:55
2111.46:295:55
2211.46:295:54
2311.46:295:53
2411.46:305:52
2511.46:305:51
2611.36:305:51
2711.36:315:50
2811.36:315:49
2911.36:325:49
3011.36:325:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.68 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 8.16 kWh/m² in November across the year — April's 5.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in April

Hazard calendar for Karratha

In seasonPeak

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

Karratha sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is April a good time to visit Karratha?

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

5.8
Sightseeing
8th-best month of the year
8.3
Beach & pool
6th-best month of the year

April is a reasonable time to visit Karratha for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Karratha in April

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

In April, Karratha sees daytime highs around 31°C and nights near 26°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Karratha in April

The nearest coast averages about 29°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in March at about 30°C and coldest in August near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb30Tropical
Mar30Tropical
Apr29Tropical
May27Warm
Jun24Warm
Jul23Refreshing
Aug23Refreshing
Sep24Refreshing
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Karratha in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karratha peaks around December 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeDec 23UV 15Jun 19UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun7High
Jul7Very high
Aug8Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Karratha in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Karratha is worst in December — around 49 µg/m³ PM2.5 (poor), about 7.0× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModeratePoorDec 2048 µg/m³Jul 207 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb31Moderate
Mar23Moderate
Apr11Good
May9Good
Jun8Good
Jul7Good
Aug7Good
Sep11Good
Oct20Moderate
Nov32Moderate
Dec49Poor
Location & terrain

Where is Karratha?

Karratha sits at 20.7°S, 116.8°E, 20 m above sea level, in Australia. The nearest listed city is Port Hedland, 190 km away.

BroomeGeraldtonKalgoorlieEllenbrookLandsdaleBallajuraDuncraig

Topography around Karratha

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Karratha.

Within 3 km, the terrain around Karratha has only modest variations in elevation — a maximum elevation change of 123 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, significant variations in elevation — a maximum elevation change of 377 m.

The land around Karratha is covered by grassland (54%) within 3 km, grassland (51%) and water (31%) within 16 km, and grassland (48%) and water (44%) within 80 km.

3 km
123 m
16 km
170 m
80 km
377 m
shrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Port Hedland 190 km · Broome 645 km · Geraldton 922 km · Kalgoorlie 1,205 km · Ellenbrook 1,230 km · Landsdale 1,235 km · Ballajura 1,238 km · Duncraig 1,238 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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 Karratha (-20.7376°, 116.8463°, elevation 20 m), 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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).