Coffs Harbour weather in December
In December, Coffs Harbour sees average daytime highs of 25°C and overnight lows near 18°C, with 150 mm of rain across 15.9 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 4th-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 27% of the time in December, and the air most often feels humid.
Daylight stretches from about 13 h 48 min at the start of December to 13 h 54 min by month's end. Set against the rest of the year, December is Coffs Harbour's 12th-clearest and 3rd-windiest month. For the whole year in context, see Coffs Harbour's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 18°
- 10th coldest
- Rainfall
- 150 mm
- 15.9 wet days
- Daylight
- 13 h 54 min
- 5:45 AM – 7:42 PM
- Cloud cover
- 60%
- 12th clearest
- Wind
- 10 km/h
- 3rd windiest
- Solar energy
- 6.35 kWh/m²
- Travel score
- 5.9
- out of 10
Coffs Harbour is city in New South Wales, Australia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 25°C through the month.
A typical December day in Coffs Harbour reaches about 25°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.
| 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 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 17 |
| 2 | 25 | 17 |
| 3 | 25 | 17 |
| 4 | 25 | 17 |
| 5 | 25 | 17 |
| 6 | 25 | 17 |
| 7 | 25 | 17 |
| 8 | 25 | 17 |
| 9 | 25 | 17 |
| 10 | 25 | 17 |
| 11 | 25 | 18 |
| 12 | 25 | 18 |
| 13 | 25 | 18 |
| 14 | 25 | 18 |
| 15 | 25 | 18 |
| 16 | 25 | 18 |
| 17 | 25 | 18 |
| 18 | 25 | 18 |
| 19 | 25 | 18 |
| 20 | 25 | 18 |
| 21 | 26 | 18 |
| 22 | 26 | 18 |
| 23 | 26 | 18 |
| 24 | 26 | 18 |
| 25 | 26 | 18 |
| 26 | 26 | 18 |
| 27 | 26 | 18 |
| 28 | 26 | 18 |
| 29 | 26 | 18 |
| 30 | 26 | 18 |
| 31 | 26 | 19 |
Coffs Harbour weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 19° | 160 | 15.4 | 13.7 | 5.9 |
| Feb | 26° / 19° | 165 | 15.7 | 13.1 | 5.6 |
| Mar | 24° / 18° | 163 | 17.8 | 12.2 | 5.9 |
| Apr | 22° / 15° | 78 | 12.3 | 11.3 | 6.5 |
| May | 20° / 12° | 74 | 9.1 | 10.5 | 6.7 |
| Jun | 18° / 10° | 81 | 7.5 | 10.1 | 6.4 |
| Jul | 17° / 9° | 36 | 5.7 | 10.2 | 6.7 |
| Aug | 19° / 9° | 45 | 5.2 | 10.9 | 7.3 |
| Sep | 21° / 11° | 43 | 6.8 | 11.8 | 7.4 |
| Oct | 22° / 14° | 88 | 10.6 | 12.7 | 6.8 |
| Nov | 24° / 16° | 131 | 14.1 | 13.5 | 6.3 |
| Dec | 25° / 18° | 150 | 15.9 | 13.9 | 5.9 |
Cloud cover in December
The sky is clear or mostly clear about 27% of the time in December, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 53%.
| 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 (%) | 49 | 49 | 48 | 47 | 46 | 46 | 46 | 45 | 45 | 45 | 46 | 45 | 46 | 47 | 47 | 47 | 47 | 48 | 48 | 49 | 49 | 48 | 49 | 49 | 48 | 49 | 49 | 48 | 49 | 49 | 49 |
| Cloudier (%) | 51 | 51 | 52 | 53 | 54 | 54 | 54 | 55 | 55 | 55 | 54 | 55 | 54 | 53 | 53 | 53 | 53 | 52 | 52 | 51 | 51 | 52 | 51 | 51 | 52 | 51 | 51 | 52 | 51 | 51 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 48 | 52 |
| 4 | 47 | 53 |
| 5 | 46 | 54 |
| 6 | 46 | 54 |
| 7 | 46 | 54 |
| 8 | 45 | 55 |
| 9 | 45 | 55 |
| 10 | 45 | 55 |
| 11 | 46 | 54 |
| 12 | 45 | 55 |
| 13 | 46 | 54 |
| 14 | 47 | 53 |
| 15 | 47 | 53 |
| 16 | 47 | 53 |
| 17 | 47 | 53 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 49 | 51 |
| 21 | 49 | 51 |
| 22 | 48 | 52 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 48 | 52 |
| 26 | 49 | 51 |
| 27 | 49 | 51 |
| 28 | 48 | 52 |
| 29 | 49 | 51 |
| 30 | 49 | 51 |
| 31 | 49 | 51 |
Chance of precipitation in December
Coffs Harbour gets around 150 mm of rain over 15.9 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 51% and peaks near 53% 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 (%) | 47 | 48 | 49 | 49 | 50 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 49 |
| Rain chance (%) | |
|---|---|
| 1 | 47 |
| 2 | 48 |
| 3 | 49 |
| 4 | 49 |
| 5 | 50 |
| 6 | 51 |
| 7 | 51 |
| 8 | 52 |
| 9 | 52 |
| 10 | 53 |
| 11 | 53 |
| 12 | 53 |
| 13 | 53 |
| 14 | 53 |
| 15 | 53 |
| 16 | 53 |
| 17 | 53 |
| 18 | 53 |
| 19 | 53 |
| 20 | 52 |
| 21 | 52 |
| 22 | 51 |
| 23 | 51 |
| 24 | 50 |
| 25 | 50 |
| 26 | 50 |
| 27 | 49 |
| 28 | 49 |
| 29 | 49 |
| 30 | 49 |
| 31 | 49 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 38% 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 (%) | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Comfortable (%) | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 |
| Humid (%) | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 40 | 40 | 40 |
| Muggy (%) | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 39 | 39 | 40 | 41 | 42 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 7 | 28 | 38 | 26 | 1 |
| 2 | 7 | 27 | 38 | 27 | 1 |
| 3 | 6 | 27 | 38 | 28 | 1 |
| 4 | 6 | 26 | 38 | 29 | 1 |
| 5 | 6 | 26 | 38 | 30 | 1 |
| 6 | 5 | 25 | 38 | 31 | 1 |
| 7 | 5 | 25 | 38 | 31 | 1 |
| 8 | 5 | 24 | 38 | 32 | 1 |
| 9 | 5 | 23 | 39 | 32 | 2 |
| 10 | 4 | 22 | 39 | 32 | 2 |
| 11 | 4 | 21 | 40 | 33 | 2 |
| 12 | 4 | 21 | 40 | 33 | 2 |
| 13 | 4 | 20 | 41 | 33 | 2 |
| 14 | 4 | 19 | 41 | 34 | 3 |
| 15 | 3 | 18 | 41 | 34 | 3 |
| 16 | 3 | 17 | 42 | 34 | 3 |
| 17 | 3 | 17 | 42 | 35 | 4 |
| 18 | 3 | 16 | 42 | 35 | 4 |
| 19 | 3 | 15 | 42 | 36 | 4 |
| 20 | 3 | 14 | 42 | 36 | 5 |
| 21 | 3 | 14 | 42 | 36 | 5 |
| 22 | 3 | 13 | 42 | 36 | 5 |
| 23 | 3 | 13 | 42 | 36 | 6 |
| 24 | 3 | 13 | 42 | 37 | 6 |
| 25 | 3 | 12 | 41 | 37 | 6 |
| 26 | 3 | 12 | 41 | 38 | 6 |
| 27 | 3 | 12 | 41 | 39 | 6 |
| 28 | 3 | 11 | 41 | 39 | 6 |
| 29 | 3 | 11 | 40 | 40 | 6 |
| 30 | 2 | 11 | 40 | 41 | 6 |
| 31 | 2 | 10 | 40 | 42 | 6 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 13 h 48 min at the start of December to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 5:43 AM to 5:53 AM, and sunset from 7:32 PM to 7:49 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) | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 |
| Sunrise (AM) | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:44 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:50 | 5:51 | 5:52 | 5:52 | 5:53 |
| Sunset (PM) | 7:32 | 7:32 | 7:33 | 7:34 | 7:35 | 7:35 | 7:36 | 7:37 | 7:38 | 7:38 | 7:39 | 7:40 | 7:40 | 7:41 | 7:41 | 7:42 | 7:43 | 7:43 | 7:44 | 7:44 | 7:45 | 7:45 | 7:46 | 7:46 | 7:47 | 7:47 | 7:47 | 7:48 | 7:48 | 7:48 | 7:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.8 | 5:43 | 7:32 |
| 2 | 13.8 | 5:43 | 7:32 |
| 3 | 13.8 | 5:43 | 7:33 |
| 4 | 13.9 | 5:43 | 7:34 |
| 5 | 13.9 | 5:43 | 7:35 |
| 6 | 13.9 | 5:43 | 7:35 |
| 7 | 13.9 | 5:43 | 7:36 |
| 8 | 13.9 | 5:43 | 7:37 |
| 9 | 13.9 | 5:44 | 7:38 |
| 10 | 13.9 | 5:44 | 7:38 |
| 11 | 13.9 | 5:44 | 7:39 |
| 12 | 13.9 | 5:44 | 7:40 |
| 13 | 13.9 | 5:44 | 7:40 |
| 14 | 13.9 | 5:45 | 7:41 |
| 15 | 13.9 | 5:45 | 7:41 |
| 16 | 13.9 | 5:45 | 7:42 |
| 17 | 13.9 | 5:46 | 7:43 |
| 18 | 14.0 | 5:46 | 7:43 |
| 19 | 14.0 | 5:46 | 7:44 |
| 20 | 14.0 | 5:47 | 7:44 |
| 21 | 14.0 | 5:47 | 7:45 |
| 22 | 14.0 | 5:48 | 7:45 |
| 23 | 14.0 | 5:48 | 7:46 |
| 24 | 14.0 | 5:49 | 7:46 |
| 25 | 14.0 | 5:49 | 7:47 |
| 26 | 14.0 | 5:50 | 7:47 |
| 27 | 13.9 | 5:50 | 7:47 |
| 28 | 13.9 | 5:51 | 7:48 |
| 29 | 13.9 | 5:52 | 7:48 |
| 30 | 13.9 | 5:52 | 7:48 |
| 31 | 13.9 | 5:53 | 7:49 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 6.35 kWh/m².
For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 6.36 kWh/m² in January across the year — December's 6.35 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) | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 |
| 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 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Coffs Harbour
In December, Coffs Harbour sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Coffs Harbour sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Coffs Harbour's rainy season runs June–June, when most of the year's rain falls.
Is December a good time to visit Coffs Harbour?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Coffs Harbour for sightseeing.
What to pack for Coffs Harbour in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Coffs Harbour sees daytime highs around 25°C and nights near 18°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.
Sea temperature near Coffs Harbour in December
The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 26°C and coldest in August near 20°C.
It's comfortable for a long swim from Aug 27 to Aug 9 — about 11.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 26 | 25 | 24 | 23 | 22 | 20 | 20 | 20 | 21 | 22 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Cool | Refreshing | Refreshing | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 24 | Warm |
| May | 23 | Refreshing |
| Jun | 22 | Refreshing |
| Jul | 20 | Refreshing |
| Aug | 20 | Cool |
| Sep | 20 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 22 | Refreshing |
| Dec | 24 | Refreshing |
UV index in Coffs Harbour in December
Clear-sky midday UV in December 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 Coffs Harbour 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 — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 13 | 10 | 7 | 4 | 3 | 4 | 5 | 7 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | High | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | High |
| Sep | 7 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Coffs Harbour in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Coffs Harbour is worst in November — around 37 µg/m³ PM2.5 (poor), about 8.5× the cleanest month (April, 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) | 8 | 7 | 7 | 4 | 5 | 5 | 6 | 18 | 17 | 15 | 37 | 16 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 4 | Good |
| May | 5 | Good |
| Jun | 5 | Good |
| Jul | 6 | Good |
| Aug | 18 | Moderate |
| Sep | 17 | Moderate |
| Oct | 15 | Moderate |
| Nov | 37 | Poor |
| Dec | 16 | Moderate |
Where is Coffs Harbour?
Coffs Harbour sits at 30.3°S, 153.1°E, 6 m above sea level, in Australia. The nearest listed city is Grafton, 71 km away.
Topography around Coffs Harbour
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coffs Harbour.
Within 3 km, the terrain around Coffs Harbour has significant variations in elevation — a maximum elevation change of 255 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,555 m.
The land around Coffs Harbour is covered by trees (36%), artificial surfaces (29%) and grassland (23%) within 3 km, water (44%) and trees (42%) within 16 km, and trees (55%) and water (31%) 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 Coffs Harbour (-30.2963°, 153.1135°, elevation 6 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).