Karratha weather in October
In October, Karratha sees average daytime highs of 29°C and overnight lows near 23°C, with 1 mm of rain across 0.2 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 95% of the time in October, and the air most often feels comfortable.
Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Karratha's 1st-clearest and 3rd-windiest month. For the whole year in context, see Karratha's year-round climate.
- Daytime high
- 29°
- 7th warmest
- Overnight low
- 23°
- 6th coldest
- Rainfall
- 1 mm
- 0.2 wet days
- Daylight
- 12 h 30 min
- 5:43 AM – 6:12 PM
- Cloud cover
- 8%
- 1st clearest
- Wind
- 20 km/h
- 3rd windiest
- Solar energy
- 7.68 kWh/m²
- Travel score
- 7.7
- out of 10
Karratha is town in Western Australia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs climb over the month, from about 28°C in the first days to 30°C by the end.
A typical October day in Karratha reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 21 |
| 2 | 28 | 22 |
| 3 | 28 | 22 |
| 4 | 28 | 22 |
| 5 | 28 | 22 |
| 6 | 28 | 22 |
| 7 | 28 | 22 |
| 8 | 28 | 22 |
| 9 | 29 | 22 |
| 10 | 29 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
| 31 | 30 | 24 |
How October really feels in Karratha
Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Karratha weather by month
How October compares with the rest of the year at a glance. October is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 27° | 45 | 3.9 | 13.1 | 5.0 |
| Feb | 32° / 28° | 81 | 4.9 | 12.7 | 4.8 |
| Mar | 32° / 28° | 68 | 3.4 | 12.1 | 4.8 |
| Apr | 31° / 26° | 25 | 1.7 | 11.5 | 5.8 |
| May | 28° / 22° | 25 | 2.6 | 11 | 7.8 |
| Jun | 25° / 19° | 31 | 2.7 | 10.8 | 8.7 |
| Jul | 24° / 18° | 12 | 1.3 | 10.9 | 9.3 |
| Aug | 25° / 19° | 3 | 0.5 | 11.3 | 9.5 |
| Sep | 27° / 20° | 2 | 0.2 | 11.9 | 9.1 |
| Oct | 29° / 23° | 1 | 0.2 | 12.5 | 7.7 |
| Nov | 30° / 25° | 1 | 0.2 | 13 | 6.8 |
| Dec | 31° / 26° | 20 | 1.2 | 13.2 | 5.8 |
Cloud cover in October
The sky is clear or mostly clear about 95% of the time in October, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 3% of October, with mostly cloudy or overcast conditions the remaining 3%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 |
| Cloudier (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 97 | 3 |
| 2 | 97 | 3 |
| 3 | 97 | 3 |
| 4 | 97 | 3 |
| 5 | 97 | 3 |
| 6 | 97 | 3 |
| 7 | 97 | 3 |
| 8 | 97 | 3 |
| 9 | 97 | 3 |
| 10 | 97 | 3 |
| 11 | 97 | 3 |
| 12 | 97 | 3 |
| 13 | 97 | 3 |
| 14 | 97 | 3 |
| 15 | 97 | 3 |
| 16 | 97 | 3 |
| 17 | 97 | 3 |
| 18 | 97 | 3 |
| 19 | 97 | 3 |
| 20 | 97 | 3 |
| 21 | 97 | 3 |
| 22 | 97 | 3 |
| 23 | 97 | 3 |
| 24 | 97 | 3 |
| 25 | 97 | 3 |
| 26 | 97 | 3 |
| 27 | 97 | 3 |
| 28 | 97 | 3 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
| 31 | 97 | 3 |
Chance of precipitation in October
Karratha gets around 1 mm of rain over 0.2 wet days in October, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
Humidity in October
Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the comfortable band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 30 | 29 | 27 | 26 | 25 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
| Comfortable (%) | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 |
| Humid (%) | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 38 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 |
| Muggy (%) | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 22 | 23 | 24 | 24 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 30 | 42 | 24 | 4 | 0 |
| 2 | 29 | 42 | 25 | 4 | 0 |
| 3 | 27 | 42 | 26 | 5 | 0 |
| 4 | 26 | 42 | 27 | 5 | 0 |
| 5 | 25 | 42 | 27 | 6 | 0 |
| 6 | 23 | 42 | 28 | 6 | 1 |
| 7 | 22 | 41 | 29 | 7 | 1 |
| 8 | 21 | 41 | 30 | 7 | 1 |
| 9 | 19 | 41 | 31 | 8 | 1 |
| 10 | 18 | 40 | 32 | 9 | 1 |
| 11 | 17 | 40 | 33 | 9 | 1 |
| 12 | 16 | 39 | 34 | 10 | 1 |
| 13 | 15 | 38 | 35 | 10 | 1 |
| 14 | 14 | 38 | 36 | 11 | 2 |
| 15 | 13 | 37 | 37 | 11 | 2 |
| 16 | 12 | 36 | 37 | 12 | 2 |
| 17 | 12 | 35 | 38 | 13 | 3 |
| 18 | 11 | 34 | 38 | 14 | 3 |
| 19 | 11 | 33 | 39 | 14 | 3 |
| 20 | 10 | 32 | 39 | 15 | 3 |
| 21 | 10 | 32 | 38 | 16 | 3 |
| 22 | 10 | 31 | 38 | 17 | 4 |
| 23 | 10 | 30 | 38 | 18 | 4 |
| 24 | 10 | 30 | 37 | 19 | 4 |
| 25 | 10 | 29 | 37 | 20 | 4 |
| 26 | 9 | 29 | 37 | 21 | 4 |
| 27 | 9 | 28 | 36 | 22 | 4 |
| 28 | 9 | 28 | 36 | 22 | 4 |
| 29 | 9 | 27 | 36 | 23 | 4 |
| 30 | 9 | 27 | 36 | 24 | 4 |
| 31 | 9 | 27 | 36 | 24 | 4 |
Wind in October
Winds average 20 km/h in October.
Across October, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 20 | breezy |
| 2 | 20 | breezy |
| 3 | 20 | breezy |
| 4 | 20 | breezy |
| 5 | 20 | breezy |
| 6 | 20 | breezy |
| 7 | 20 | breezy |
| 8 | 20 | breezy |
| 9 | 20 | breezy |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 20 | breezy |
| 13 | 20 | breezy |
| 14 | 20 | breezy |
| 15 | 20 | breezy |
| 16 | 20 | breezy |
| 17 | 20 | breezy |
| 18 | 20 | breezy |
| 19 | 20 | breezy |
| 20 | 20 | breezy |
| 21 | 20 | breezy |
| 22 | 20 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 21 | breezy |
| 26 | 21 | breezy |
| 27 | 21 | breezy |
| 28 | 21 | breezy |
| 29 | 21 | breezy |
| 30 | 21 | breezy |
| 31 | 21 | breezy |
Sunrise & sunset in October
Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over October. Sunrise moves from 5:56 AM to 5:33 AM, and sunset from 6:07 PM to 6:19 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 |
| Sunrise (AM) | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:45 | 5:44 | 5:43 | 5:42 | 5:42 | 5:41 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:36 | 5:35 | 5:34 | 5:34 | 5:33 |
| Sunset (PM) | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:56 | 6:07 |
| 2 | 12.2 | 5:55 | 6:08 |
| 3 | 12.2 | 5:54 | 6:08 |
| 4 | 12.2 | 5:53 | 6:08 |
| 5 | 12.3 | 5:52 | 6:08 |
| 6 | 12.3 | 5:51 | 6:09 |
| 7 | 12.3 | 5:51 | 6:09 |
| 8 | 12.3 | 5:50 | 6:09 |
| 9 | 12.3 | 5:49 | 6:10 |
| 10 | 12.4 | 5:48 | 6:10 |
| 11 | 12.4 | 5:47 | 6:10 |
| 12 | 12.4 | 5:46 | 6:11 |
| 13 | 12.4 | 5:45 | 6:11 |
| 14 | 12.4 | 5:45 | 6:11 |
| 15 | 12.5 | 5:44 | 6:12 |
| 16 | 12.5 | 5:43 | 6:12 |
| 17 | 12.5 | 5:42 | 6:13 |
| 18 | 12.5 | 5:42 | 6:13 |
| 19 | 12.5 | 5:41 | 6:13 |
| 20 | 12.6 | 5:40 | 6:14 |
| 21 | 12.6 | 5:39 | 6:14 |
| 22 | 12.6 | 5:39 | 6:15 |
| 23 | 12.6 | 5:38 | 6:15 |
| 24 | 12.6 | 5:37 | 6:16 |
| 25 | 12.7 | 5:37 | 6:16 |
| 26 | 12.7 | 5:36 | 6:16 |
| 27 | 12.7 | 5:36 | 6:17 |
| 28 | 12.7 | 5:35 | 6:17 |
| 29 | 12.7 | 5:34 | 6:18 |
| 30 | 12.7 | 5:34 | 6:18 |
| 31 | 12.8 | 5:33 | 6:19 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 7.68 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 — October's 7.68 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 8.0 | 8.0 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.3 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.4 | Intense |
| 4 | 7.4 | Intense |
| 5 | 7.4 | Intense |
| 6 | 7.5 | Intense |
| 7 | 7.5 | Intense |
| 8 | 7.5 | Intense |
| 9 | 7.5 | Intense |
| 10 | 7.6 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.6 | Intense |
| 14 | 7.7 | Intense |
| 15 | 7.7 | Intense |
| 16 | 7.7 | Intense |
| 17 | 7.7 | Intense |
| 18 | 7.7 | Intense |
| 19 | 7.8 | Intense |
| 20 | 7.8 | Intense |
| 21 | 7.8 | Intense |
| 22 | 7.8 | Intense |
| 23 | 7.8 | Intense |
| 24 | 7.8 | Intense |
| 25 | 7.9 | Intense |
| 26 | 7.9 | Intense |
| 27 | 7.9 | Intense |
| 28 | 7.9 | Intense |
| 29 | 7.9 | Intense |
| 30 | 8.0 | Intense |
| 31 | 8.0 | Intense |
Hazard calendar for Karratha
None of Karratha's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Karratha sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is October a good time to visit Karratha?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is one of the better times to visit Karratha for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Karratha in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Karratha sees daytime highs around 29°C and nights near 23°C. Pack light clothes and sun protection. Worth having: a windbreaker.
Sea temperature near Karratha in October
The nearest coast averages about 25°C in October — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 30 | 30 | 29 | 27 | 24 | 23 | 23 | 24 | 25 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 30 | Tropical |
| Mar | 30 | Tropical |
| Apr | 29 | Tropical |
| May | 27 | Warm |
| Jun | 24 | Warm |
| Jul | 23 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 24 | Refreshing |
| Oct | 25 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Karratha in October
Clear-sky midday UV in October peaks around 12 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 13 | 10 | 8 | 7 | 7 | 8 | 10 | 12 | 13 | 15 |
| Level | Extreme | Extreme | Extreme | Very high | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 8 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 15 | Extreme |
Air quality in Karratha in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 43 | 31 | 23 | 11 | 9 | 8 | 7 | 7 | 11 | 20 | 32 | 49 |
| Level | Poor | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 43 | Poor |
| Feb | 31 | Moderate |
| Mar | 23 | Moderate |
| Apr | 11 | Good |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 11 | Good |
| Oct | 20 | Moderate |
| Nov | 32 | Moderate |
| Dec | 49 | Poor |
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.
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.
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
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).