Katoomba weather in January

In January, Katoomba sees average daytime highs of 25°C and overnight lows near 14°C, with 125 mm of rain across 15.3 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 34% 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 Katoomba's 10th-clearest and 9th-windiest month. For the whole year in context, see Katoomba's year-round climate.

Daytime high
25°
1st warmest
Overnight low
14°
12th coldest
Rainfall
125 mm
15.3 wet days
Daylight
14 hours
6:08 AM – 8:08 PM
Cloud cover
57%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
6.53 kWh/m²
Travel score
6.0
out of 10

Katoomba is town in New South Wales, Australia.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Katoomba 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.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12513
22513
32513
42513
52513
62514
72514
82514
92514
102514
112514
122514
132614
142614
152614
162614
172614
182614
192614
202614
212614
222614
232614
242614
252614
262514
272514
282514
292514
302514
312514

How January really feels in Katoomba

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.

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

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

Katoomba 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°12515.3146.0
Feb24° / 14°14415.413.35.9
Mar22° / 12°11815.512.35.9
Apr19° / 599.211.26.3
May15° / 496.410.35.3
Jun12° / 597.69.83.7
Jul12° / 356.1103.6
Aug14° / 476.410.74.4
Sep17° / 528.311.85.9
Oct20° / 7610.612.86.3
Nov22° / 10°11113.913.76.1
Dec24° / 12°11713.314.26.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54951
64852
74951
84852
94852
104951
114852
124951
134951
145050
155050
164951
175050
185050
195050
204951
215050
225050
235149
245050
254951
264951
274951
284951
294951
304951
315050

Chance of precipitation in January

Any precipitation

Katoomba gets around 125 mm of rain over 15.3 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 49% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
646
746
846
947
1047
1147
1247
1347
1447
1547
1648
1748
1849
1949
2050
2151
2251
2352
2452
2553
2653
2753
2853
2953
3053
3153

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14737160
24637170
34537180
44436190
54336210
64235220
74135231
84035241
93935251
103835261
113735271
123735281
133635281
143535291
153435291
163435292
173335302
183236302
193136313
203035323
212935324
222835334
232835334
242735345
252734345
262734345
272734345
282734346
292733346
302733346
312833346

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.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

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 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:568:08
214.25:568:08
314.25:578:08
414.25:588:09
514.25:598:09
614.25:598:09
714.16:008:09
814.16:018:09
914.16:028:09
1014.16:038:09
1114.16:038:09
1214.16:048:09
1314.16:058:09
1414.06:068:09
1514.06:078:09
1614.06:088:08
1714.06:098:08
1814.06:108:08
1914.06:108:08
2013.96:118:07
2113.96:128:07
2213.96:138:07
2313.96:148:06
2413.86:158:06
2513.86:168:06
2613.86:178:05
2713.86:188:05
2813.86:198:04
2913.76:208:04
3013.76:218:03
3113.76:228:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.53 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 6.64 kWh/m² in December across the year — January's 6.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
36.9Intense
46.9Intense
56.9Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Katoomba

In seasonPeak

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

Katoomba's rainy season runs October–March, when most of the year's rain falls.

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

Is January a good time to visit Katoomba?

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

6.0
Sightseeing
5th-best month of the year
5.6
Beach & pool
1st-best month of the year

January is a reasonable time to visit Katoomba for sightseeing.

What to pack for Katoomba in January

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

In January, Katoomba sees daytime highs around 25°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Katoomba in January

LowModerateHighVery highExtreme

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 Katoomba 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in Katoomba in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Katoomba 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModeratePoorDec 1545 µg/m³Jul 214 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb5Good
Mar6Good
Apr9Good
May14Moderate
Jun8Good
Jul4Good
Aug5Good
Sep6Good
Oct7Good
Nov21Moderate
Dec49Poor
Location & terrain

Where is Katoomba?

Katoomba sits at 33.7°S, 150.3°E, 0 m above sea level, in Australia. The nearest listed city is Blue Mountains, 2.0 km away.

Topography around Katoomba

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

Within 3 km, the terrain around Katoomba has large variations in elevation — a maximum elevation change of 724 m around an average of 850 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 Katoomba is covered by trees (91%) within 3 km, trees (90%) within 16 km, and trees (72%) and grassland (22%) within 80 km.

3 km
724 m
16 km
1,002 m
80 km
1,382 m
treesgrasslandartificial surfaceswater
January weather nearby: Blue Mountains 2.0 km · Glenmore Park 34 km · Cranebrook 37 km · St Clair 45 km · Mount Druitt 47 km · Quakers Hill 53 km · Blacktown 57 km · Prestons 58 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 Katoomba (-33.7198°, 150.3074°, elevation 0 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).