Umina Beach weather in December
In December, Umina Beach sees average daytime highs of 25°C and overnight lows near 18°C, with 70 mm of rain across 10.3 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 7th-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 35% of the time in December, and the air most often feels humid.
Daylight stretches from about 14 h 06 min at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Umina Beach's 10th-clearest and 6th-windiest month. For the whole year in context, see Umina Beach's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 18°
- 9th coldest
- Rainfall
- 70 mm
- 10.3 wet days
- Daylight
- 14 h 12 min
- 5:45 AM – 7:57 PM
- Cloud cover
- 55%
- 10th clearest
- Wind
- 14 km/h
- 6th windiest
- Solar energy
- 6.49 kWh/m²
- Travel score
- 7.0
- out of 10
Umina Beach is suburb of Central Coast, 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 Umina Beach reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, December runs about 2°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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 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 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 17 |
| 2 | 24 | 17 |
| 3 | 24 | 17 |
| 4 | 24 | 17 |
| 5 | 24 | 17 |
| 6 | 24 | 17 |
| 7 | 24 | 17 |
| 8 | 24 | 18 |
| 9 | 24 | 18 |
| 10 | 24 | 18 |
| 11 | 24 | 18 |
| 12 | 24 | 18 |
| 13 | 24 | 18 |
| 14 | 24 | 18 |
| 15 | 24 | 18 |
| 16 | 24 | 18 |
| 17 | 25 | 18 |
| 18 | 25 | 18 |
| 19 | 25 | 18 |
| 20 | 25 | 18 |
| 21 | 25 | 18 |
| 22 | 25 | 18 |
| 23 | 25 | 18 |
| 24 | 25 | 18 |
| 25 | 25 | 18 |
| 26 | 25 | 18 |
| 27 | 25 | 19 |
| 28 | 25 | 19 |
| 29 | 25 | 19 |
| 30 | 25 | 19 |
| 31 | 25 | 19 |
Umina Beach weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 19° | 78 | 10.5 | 14 | 6.7 |
| Feb | 25° / 20° | 101 | 11.1 | 13.2 | 6.5 |
| Mar | 24° / 18° | 89 | 12 | 12.3 | 6.8 |
| Apr | 22° / 15° | 77 | 10.2 | 11.2 | 6.8 |
| May | 19° / 13° | 70 | 9.1 | 10.3 | 6.5 |
| Jun | 17° / 11° | 86 | 9.6 | 9.8 | 5.7 |
| Jul | 17° / 9° | 49 | 7.2 | 10 | 5.9 |
| Aug | 18° / 10° | 49 | 6.5 | 10.8 | 6.7 |
| Sep | 20° / 12° | 51 | 6.8 | 11.8 | 7.1 |
| Oct | 22° / 14° | 62 | 8.5 | 12.8 | 7.0 |
| Nov | 23° / 16° | 81 | 10 | 13.7 | 6.8 |
| Dec | 25° / 18° | 70 | 10.3 | 14.2 | 7.0 |
Cloud cover in December
The sky is clear or mostly clear about 35% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.
| 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 (%) | 52 | 51 | 51 | 50 | 49 | 50 | 50 | 50 | 50 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 53 | 53 | 53 | 54 | 55 |
| Cloudier (%) | 48 | 49 | 49 | 50 | 51 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 47 | 47 | 47 | 46 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 51 | 49 |
| 3 | 51 | 49 |
| 4 | 50 | 50 |
| 5 | 49 | 51 |
| 6 | 50 | 50 |
| 7 | 50 | 50 |
| 8 | 50 | 50 |
| 9 | 50 | 50 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 52 | 48 |
| 13 | 52 | 48 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 52 | 48 |
| 17 | 52 | 48 |
| 18 | 52 | 48 |
| 19 | 52 | 48 |
| 20 | 52 | 48 |
| 21 | 52 | 48 |
| 22 | 52 | 48 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 53 | 47 |
| 26 | 54 | 46 |
| 27 | 53 | 47 |
| 28 | 53 | 47 |
| 29 | 53 | 47 |
| 30 | 54 | 46 |
| 31 | 55 | 45 |
Chance of precipitation in December
Umina Beach gets around 70 mm of rain over 10.3 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 33% and peaks near 35% 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 (%) | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 33 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 35 |
| 4 | 35 |
| 5 | 35 |
| 6 | 35 |
| 7 | 34 |
| 8 | 34 |
| 9 | 34 |
| 10 | 33 |
| 11 | 33 |
| 12 | 32 |
| 13 | 32 |
| 14 | 32 |
| 15 | 32 |
| 16 | 32 |
| 17 | 32 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 32 |
| 27 | 32 |
| 28 | 33 |
| 29 | 33 |
| 30 | 33 |
| 31 | 33 |
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 39% of days. Sticky, muggy-or-worse air turns up on roughly 19% 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 (%) | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
| Comfortable (%) | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 |
| Humid (%) | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 35 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 43 |
| Muggy (%) | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 25 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 24 | 32 | 32 | 12 | 0 |
| 2 | 24 | 31 | 32 | 13 | 0 |
| 3 | 23 | 31 | 32 | 13 | 0 |
| 4 | 22 | 31 | 33 | 14 | 0 |
| 5 | 22 | 31 | 33 | 14 | 0 |
| 6 | 21 | 31 | 33 | 15 | 0 |
| 7 | 20 | 30 | 34 | 15 | 0 |
| 8 | 20 | 30 | 35 | 16 | 0 |
| 9 | 19 | 30 | 35 | 16 | 0 |
| 10 | 18 | 29 | 36 | 16 | 0 |
| 11 | 17 | 29 | 37 | 17 | 0 |
| 12 | 17 | 29 | 38 | 17 | 0 |
| 13 | 16 | 28 | 38 | 17 | 0 |
| 14 | 15 | 28 | 39 | 18 | 0 |
| 15 | 15 | 27 | 40 | 18 | 0 |
| 16 | 14 | 26 | 41 | 18 | 0 |
| 17 | 14 | 26 | 41 | 19 | 0 |
| 18 | 14 | 25 | 42 | 19 | 0 |
| 19 | 14 | 24 | 42 | 20 | 0 |
| 20 | 14 | 24 | 42 | 20 | 0 |
| 21 | 14 | 23 | 43 | 20 | 0 |
| 22 | 13 | 23 | 43 | 21 | 0 |
| 23 | 13 | 22 | 43 | 21 | 0 |
| 24 | 13 | 22 | 43 | 21 | 0 |
| 25 | 13 | 22 | 43 | 22 | 0 |
| 26 | 13 | 21 | 44 | 22 | 0 |
| 27 | 12 | 21 | 44 | 23 | 1 |
| 28 | 12 | 20 | 44 | 23 | 1 |
| 29 | 12 | 20 | 44 | 24 | 1 |
| 30 | 12 | 20 | 44 | 24 | 1 |
| 31 | 12 | 20 | 43 | 25 | 1 |
Wind in December
Winds average 14 km/h in December.
Across December, daily wind ranges from about 14 km/h on the calmest days to 14 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) | 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 | 14 | 14 | 14 | 14 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in December
Daylight runs from about 14 h 06 min at the start of December to 14 h 12 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 5:52 AM, and sunset from 7:46 PM to 8:04 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) | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 |
| Sunrise (AM) | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 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 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 |
| Sunset (PM) | 7:46 | 7:47 | 7:48 | 7:49 | 7:50 | 7:50 | 7:51 | 7:52 | 7:53 | 7:53 | 7:54 | 7:55 | 7:55 | 7:56 | 7:57 | 7:57 | 7:58 | 7:58 | 7:59 | 7:59 | 8:00 | 8:00 | 8:01 | 8:01 | 8:02 | 8:02 | 8:03 | 8:03 | 8:03 | 8:03 | 8:04 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.1 | 5:43 | 7:46 |
| 2 | 14.1 | 5:43 | 7:47 |
| 3 | 14.1 | 5:43 | 7:48 |
| 4 | 14.1 | 5:43 | 7:49 |
| 5 | 14.1 | 5:43 | 7:50 |
| 6 | 14.1 | 5:43 | 7:50 |
| 7 | 14.1 | 5:43 | 7:51 |
| 8 | 14.2 | 5:43 | 7:52 |
| 9 | 14.2 | 5:43 | 7:53 |
| 10 | 14.2 | 5:43 | 7:53 |
| 11 | 14.2 | 5:43 | 7:54 |
| 12 | 14.2 | 5:43 | 7:55 |
| 13 | 14.2 | 5:44 | 7:55 |
| 14 | 14.2 | 5:44 | 7:56 |
| 15 | 14.2 | 5:44 | 7:57 |
| 16 | 14.2 | 5:45 | 7:57 |
| 17 | 14.2 | 5:45 | 7:58 |
| 18 | 14.2 | 5:45 | 7:58 |
| 19 | 14.2 | 5:46 | 7:59 |
| 20 | 14.2 | 5:46 | 7:59 |
| 21 | 14.2 | 5:46 | 8:00 |
| 22 | 14.2 | 5:47 | 8:00 |
| 23 | 14.2 | 5:47 | 8:01 |
| 24 | 14.2 | 5:48 | 8:01 |
| 25 | 14.2 | 5:48 | 8:02 |
| 26 | 14.2 | 5:49 | 8:02 |
| 27 | 14.2 | 5:50 | 8:03 |
| 28 | 14.2 | 5:50 | 8:03 |
| 29 | 14.2 | 5:51 | 8:03 |
| 30 | 14.2 | 5:51 | 8:03 |
| 31 | 14.2 | 5:52 | 8:04 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 6.49 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.49 kWh/m² in January across the year — December's 6.49 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 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 |
| 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 | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.6 | Intense |
| 21 | 6.6 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.7 | Intense |
| 24 | 6.7 | Intense |
| 25 | 6.8 | Intense |
| 26 | 6.8 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.9 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.9 | Intense |
| 31 | 6.9 | Intense |
Hazard calendar for Umina Beach
In December, Umina Beach sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Umina Beach sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is December a good time to visit Umina Beach?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Umina Beach for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Umina Beach in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Umina Beach sees daytime highs around 25°C and nights near 18°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.
Sea temperature near Umina Beach in December
The nearest coast averages about 21°C in December — 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 February at about 23°C and coldest in August near 18°C.
It's comfortable for a long swim from Nov 16 to Jun 4 — about 6.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 19 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 22 | Refreshing |
| May | 21 | Refreshing |
| Jun | 20 | Cool |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Umina Beach 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 Umina Beach peaks around January 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 11 | 9 | 6 | 4 | 2 | 3 | 4 | 6 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Where is Umina Beach?
Umina Beach sits at 33.5°S, 151.3°E, 10 m above sea level, in Australia. The nearest listed city is Central Coast, 12 km away.
Topography around Umina Beach
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Umina Beach.
Within 3 km, the terrain around Umina Beach has only modest variations in elevation — a maximum elevation change of 196 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 288 m; within 80 km, large variations in elevation — a maximum elevation change of 921 m.
The land around Umina Beach is covered by trees (45%), water (26%) and artificial surfaces (25%) within 3 km, trees (51%) and water (41%) within 16 km, and trees (55%) and water (32%) 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 Umina Beach (-33.5231°, 151.3133°, elevation 10 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).