Blue Mountains weather in January
In January, Blue Mountains sees average daytime highs of 25°C and overnight lows near 14°C, with 126 mm of rain across 15.6 wet days and about 14 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 33% of the time in January, and the air most often feels comfortable.
Daylight stretches from about 14 h 12 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Blue Mountains's 9th-clearest and 9th-windiest month. For the whole year in context, see Blue Mountains's year-round climate.
- Daytime high
- 25°
- 1st warmest
- Overnight low
- 14°
- 12th coldest
- Rainfall
- 126 mm
- 15.6 wet days
- Daylight
- 14 hours
- 6:08 AM – 8:08 PM
- Cloud cover
- 57%
- 9th clearest
- Wind
- 8 km/h
- 9th windiest
- Solar energy
- 6.54 kWh/m²
- Travel score
- 6.0
- out of 10
Temperature in January
Day-to-day highs hold fairly steady near 25°C through the month.
A typical January day in Blue Mountains reaches about 25°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.
| 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) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 13 |
| 2 | 25 | 13 |
| 3 | 25 | 13 |
| 4 | 25 | 13 |
| 5 | 25 | 13 |
| 6 | 25 | 13 |
| 7 | 25 | 14 |
| 8 | 25 | 14 |
| 9 | 25 | 14 |
| 10 | 25 | 14 |
| 11 | 25 | 14 |
| 12 | 26 | 14 |
| 13 | 26 | 14 |
| 14 | 26 | 14 |
| 15 | 26 | 14 |
| 16 | 26 | 14 |
| 17 | 26 | 14 |
| 18 | 26 | 14 |
| 19 | 26 | 14 |
| 20 | 26 | 14 |
| 21 | 26 | 14 |
| 22 | 26 | 14 |
| 23 | 26 | 14 |
| 24 | 26 | 14 |
| 25 | 26 | 14 |
| 26 | 26 | 14 |
| 27 | 26 | 14 |
| 28 | 26 | 14 |
| 29 | 25 | 14 |
| 30 | 25 | 14 |
| 31 | 25 | 14 |
How January really feels in Blue Mountains
Once humidity and wind are folded in, January 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.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Blue Mountains weather by month
How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 14° | 126 | 15.6 | 14 | 6.0 |
| Feb | 24° / 14° | 146 | 15.4 | 13.3 | 5.9 |
| Mar | 22° / 12° | 115 | 15.2 | 12.3 | 6.0 |
| Apr | 19° / 8° | 56 | 9.1 | 11.2 | 6.3 |
| May | 15° / 6° | 48 | 6.6 | 10.3 | 5.3 |
| Jun | 13° / 4° | 62 | 7.5 | 9.8 | 3.7 |
| Jul | 12° / 3° | 37 | 6.3 | 10 | 3.6 |
| Aug | 14° / 3° | 46 | 6.7 | 10.7 | 4.4 |
| Sep | 17° / 5° | 53 | 8.2 | 11.8 | 5.8 |
| Oct | 20° / 8° | 75 | 10.5 | 12.8 | 6.3 |
| Nov | 22° / 10° | 109 | 13.7 | 13.7 | 6.1 |
| Dec | 24° / 12° | 121 | 13.4 | 14.2 | 6.4 |
Cloud cover in January
The sky is clear or mostly clear about 33% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 51%.
| 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 (%) | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 49 | 48 | 49 | 49 | 49 | 50 | 49 | 49 | 49 | 49 | 49 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 |
| Cloudier (%) | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 51 | 52 | 51 | 51 | 51 | 50 | 51 | 51 | 51 | 51 | 51 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 49 | 51 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 49 | 51 |
| 8 | 49 | 51 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 49 | 51 |
| 12 | 48 | 52 |
| 13 | 49 | 51 |
| 14 | 49 | 51 |
| 15 | 49 | 51 |
| 16 | 50 | 50 |
| 17 | 49 | 51 |
| 18 | 49 | 51 |
| 19 | 49 | 51 |
| 20 | 49 | 51 |
| 21 | 49 | 51 |
| 22 | 50 | 50 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 49 | 51 |
| 26 | 49 | 51 |
| 27 | 49 | 51 |
| 28 | 49 | 51 |
| 29 | 49 | 51 |
| 30 | 49 | 51 |
| 31 | 50 | 50 |
Chance of precipitation in January
Blue Mountains gets around 126 mm of rain over 15.6 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 50% and peaks near 53% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 45 | 46 | 46 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 |
| Rain chance (%) | |
|---|---|
| 1 | 45 |
| 2 | 46 |
| 3 | 46 |
| 4 | 46 |
| 5 | 46 |
| 6 | 47 |
| 7 | 47 |
| 8 | 48 |
| 9 | 48 |
| 10 | 48 |
| 11 | 48 |
| 12 | 48 |
| 13 | 49 |
| 14 | 49 |
| 15 | 49 |
| 16 | 49 |
| 17 | 50 |
| 18 | 50 |
| 19 | 51 |
| 20 | 51 |
| 21 | 52 |
| 22 | 52 |
| 23 | 53 |
| 24 | 53 |
| 25 | 53 |
| 26 | 53 |
| 27 | 53 |
| 28 | 53 |
| 29 | 53 |
| 30 | 53 |
| 31 | 53 |
Humidity in January
Most of January feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the comfortable band about 35% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 47 | 46 | 45 | 44 | 43 | 42 | 40 | 39 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 |
| Comfortable (%) | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 |
| Humid (%) | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 47 | 37 | 16 | 0 |
| 2 | 46 | 37 | 17 | 0 |
| 3 | 45 | 37 | 18 | 0 |
| 4 | 44 | 37 | 19 | 0 |
| 5 | 43 | 37 | 20 | 0 |
| 6 | 42 | 36 | 22 | 0 |
| 7 | 40 | 36 | 23 | 0 |
| 8 | 39 | 36 | 24 | 1 |
| 9 | 38 | 36 | 25 | 1 |
| 10 | 37 | 36 | 26 | 1 |
| 11 | 37 | 36 | 27 | 1 |
| 12 | 36 | 36 | 27 | 1 |
| 13 | 35 | 36 | 28 | 1 |
| 14 | 34 | 36 | 29 | 1 |
| 15 | 33 | 36 | 29 | 2 |
| 16 | 32 | 36 | 30 | 2 |
| 17 | 31 | 36 | 31 | 2 |
| 18 | 30 | 35 | 31 | 3 |
| 19 | 29 | 35 | 32 | 3 |
| 20 | 29 | 35 | 33 | 4 |
| 21 | 28 | 34 | 33 | 4 |
| 22 | 28 | 34 | 34 | 5 |
| 23 | 27 | 34 | 34 | 5 |
| 24 | 27 | 33 | 35 | 5 |
| 25 | 27 | 33 | 35 | 5 |
| 26 | 27 | 33 | 35 | 6 |
| 27 | 27 | 32 | 35 | 6 |
| 28 | 27 | 32 | 35 | 6 |
| 29 | 27 | 32 | 35 | 6 |
| 30 | 27 | 32 | 35 | 6 |
| 31 | 28 | 32 | 35 | 6 |
Wind in January
Winds average 8 km/h in January.
Across January, daily wind ranges from about 8 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in January
Daylight runs from about 14 h 12 min at the start of January to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over January. Sunrise moves from 5:56 AM to 6:22 AM, and sunset from 8:08 PM to 8:02 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) | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 |
| Sunrise (AM) | 5:56 | 5:56 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:20 | 6:21 | 6:22 |
| Sunset (PM) | 8:08 | 8:08 | 8:08 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:09 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:07 | 8:07 | 8:07 | 8:06 | 8:06 | 8:05 | 8:05 | 8:05 | 8:04 | 8:04 | 8:03 | 8:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:56 | 8:08 |
| 2 | 14.2 | 5:56 | 8:08 |
| 3 | 14.2 | 5:57 | 8:08 |
| 4 | 14.2 | 5:58 | 8:09 |
| 5 | 14.2 | 5:59 | 8:09 |
| 6 | 14.2 | 5:59 | 8:09 |
| 7 | 14.1 | 6:00 | 8:09 |
| 8 | 14.1 | 6:01 | 8:09 |
| 9 | 14.1 | 6:02 | 8:09 |
| 10 | 14.1 | 6:03 | 8:09 |
| 11 | 14.1 | 6:03 | 8:09 |
| 12 | 14.1 | 6:04 | 8:09 |
| 13 | 14.1 | 6:05 | 8:09 |
| 14 | 14.0 | 6:06 | 8:09 |
| 15 | 14.0 | 6:07 | 8:08 |
| 16 | 14.0 | 6:08 | 8:08 |
| 17 | 14.0 | 6:09 | 8:08 |
| 18 | 14.0 | 6:09 | 8:08 |
| 19 | 14.0 | 6:10 | 8:08 |
| 20 | 13.9 | 6:11 | 8:07 |
| 21 | 13.9 | 6:12 | 8:07 |
| 22 | 13.9 | 6:13 | 8:07 |
| 23 | 13.9 | 6:14 | 8:06 |
| 24 | 13.8 | 6:15 | 8:06 |
| 25 | 13.8 | 6:16 | 8:05 |
| 26 | 13.8 | 6:17 | 8:05 |
| 27 | 13.8 | 6:18 | 8:05 |
| 28 | 13.8 | 6:19 | 8:04 |
| 29 | 13.7 | 6:20 | 8:04 |
| 30 | 13.7 | 6:21 | 8:03 |
| 31 | 13.7 | 6:22 | 8:02 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 6.54 kWh/m².
For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.58 kWh/m² in December across the year — January's 6.54 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) | 7.0 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 |
| 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 | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.0 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.8 | Intense |
| 7 | 6.8 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Blue Mountains
In January, Blue Mountains sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Blue Mountains's rainy season runs October–March, when most of the year's rain falls.
Is January a good time to visit Blue Mountains?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Blue Mountains for sightseeing.
What to pack for Blue Mountains in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Blue Mountains sees daytime highs around 25°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.
UV index in Blue Mountains in January
Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Blue Mountains peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 9 | 6 | 4 | 2 | 3 | 4 | 6 | 9 | 10 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 10 | Extreme |
| Dec | 12 | Extreme |
Air quality in Blue Mountains in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Blue Mountains is worst in December — around 49 µg/m³ PM2.5 (poor), about 12.5× the cleanest month (July, 4 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) | 11 | 5 | 6 | 9 | 14 | 8 | 4 | 5 | 6 | 7 | 21 | 49 |
| Level | Good | Good | Good | Good | Moderate | Good | Good | Good | Good | Good | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 5 | Good |
| Mar | 6 | Good |
| Apr | 9 | Good |
| May | 14 | Moderate |
| Jun | 8 | Good |
| Jul | 4 | Good |
| Aug | 5 | Good |
| Sep | 6 | Good |
| Oct | 7 | Good |
| Nov | 21 | Moderate |
| Dec | 49 | Poor |
Where is Blue Mountains?
Blue Mountains sits at 33.7°S, 150.3°E, 978 m above sea level, in Australia. The nearest listed city is Katoomba, 2.0 km away.
Topography around Blue Mountains
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Blue Mountains.
Within 3 km, the terrain around Blue Mountains has large variations in elevation — a maximum elevation change of 696 m around an average of 890 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,002 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,382 m.
The land around Blue Mountains is covered by trees (91%) within 3 km, trees (92%) within 16 km, and trees (73%) and grassland (21%) 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 Blue Mountains (-33.7133°, 150.3306°, elevation 978 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. 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).