Prestons weather in January
In January, Prestons sees average daytime highs of 28°C and overnight lows near 18°C, with 70 mm of rain across 9.8 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 28°C through the month. The sky is clear or mostly clear about 33% of the time in January, and the air most often feels humid.
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 Prestons's 9th-clearest and 5th-windiest month. For the whole year in context, see Prestons's year-round climate.
- Daytime high
- 28°
- 1st warmest
- Overnight low
- 18°
- 12th coldest
- Rainfall
- 70 mm
- 9.8 wet days
- Daylight
- 14 hours
- 6:05 AM – 8:07 PM
- Cloud cover
- 59%
- 9th clearest
- Wind
- 9 km/h
- 5th windiest
- Solar energy
- 6.51 kWh/m²
- Travel score
- 6.0
- out of 10
Prestons is locality in New South Wales, Australia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 28°C through the month.
A typical January day in Prestons reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 35°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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 17 |
| 2 | 28 | 17 |
| 3 | 28 | 17 |
| 4 | 28 | 17 |
| 5 | 28 | 18 |
| 6 | 28 | 18 |
| 7 | 28 | 18 |
| 8 | 28 | 18 |
| 9 | 28 | 18 |
| 10 | 28 | 18 |
| 11 | 28 | 18 |
| 12 | 28 | 18 |
| 13 | 28 | 18 |
| 14 | 28 | 18 |
| 15 | 28 | 18 |
| 16 | 28 | 18 |
| 17 | 28 | 18 |
| 18 | 28 | 18 |
| 19 | 28 | 18 |
| 20 | 28 | 18 |
| 21 | 28 | 18 |
| 22 | 28 | 18 |
| 23 | 28 | 18 |
| 24 | 28 | 18 |
| 25 | 28 | 18 |
| 26 | 28 | 18 |
| 27 | 28 | 18 |
| 28 | 28 | 18 |
| 29 | 28 | 18 |
| 30 | 28 | 18 |
| 31 | 28 | 18 |
Prestons 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 | 28° / 18° | 70 | 9.8 | 14 | 6.0 |
| Feb | 27° / 18° | 88 | 10.4 | 13.3 | 6.2 |
| Mar | 25° / 16° | 66 | 10.4 | 12.3 | 6.8 |
| Apr | 23° / 12° | 42 | 6.5 | 11.2 | 7.5 |
| May | 20° / 9° | 40 | 5.3 | 10.3 | 7.2 |
| Jun | 17° / 7° | 53 | 6.4 | 9.8 | 6.2 |
| Jul | 17° / 6° | 30 | 5 | 10 | 6.3 |
| Aug | 18° / 6° | 32 | 4.8 | 10.7 | 7.1 |
| Sep | 21° / 9° | 37 | 5.7 | 11.8 | 7.5 |
| Oct | 23° / 11° | 51 | 7.5 | 12.9 | 7.4 |
| Nov | 25° / 14° | 70 | 9.4 | 13.8 | 6.9 |
| Dec | 27° / 16° | 64 | 9.4 | 14.2 | 6.6 |
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 15% of January, with mostly cloudy or overcast conditions the remaining 52%.
| 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 | 49 | 50 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 49 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 |
| Cloudier (%) | 51 | 51 | 51 | 50 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 51 | 51 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 49 | 51 |
| 4 | 50 | 50 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 49 | 51 |
| 8 | 49 | 51 |
| 9 | 49 | 51 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 47 | 53 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 48 | 52 |
| 29 | 48 | 52 |
| 30 | 48 | 52 |
| 31 | 49 | 51 |
Chance of precipitation in January
Prestons gets around 70 mm of rain over 9.8 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 32% 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 (%) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 35 | 34 | 34 | 34 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 29 |
| 4 | 29 |
| 5 | 29 |
| 6 | 29 |
| 7 | 29 |
| 8 | 30 |
| 9 | 30 |
| 10 | 30 |
| 11 | 30 |
| 12 | 30 |
| 13 | 30 |
| 14 | 31 |
| 15 | 31 |
| 16 | 31 |
| 17 | 31 |
| 18 | 32 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 34 |
| 23 | 34 |
| 24 | 34 |
| 25 | 34 |
| 26 | 34 |
| 27 | 35 |
| 28 | 34 |
| 29 | 34 |
| 30 | 34 |
| 31 | 34 |
Humidity in January
Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 28% 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 (%) | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Comfortable (%) | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 |
| Humid (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 34 |
| Muggy (%) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 34 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 18 | 28 | 39 | 14 | 0 |
| 2 | 18 | 28 | 39 | 15 | 0 |
| 3 | 18 | 27 | 39 | 16 | 0 |
| 4 | 18 | 27 | 39 | 17 | 0 |
| 5 | 17 | 26 | 39 | 18 | 0 |
| 6 | 17 | 26 | 39 | 19 | 0 |
| 7 | 16 | 25 | 39 | 20 | 0 |
| 8 | 16 | 25 | 39 | 20 | 0 |
| 9 | 16 | 24 | 39 | 21 | 0 |
| 10 | 15 | 24 | 39 | 22 | 0 |
| 11 | 15 | 23 | 39 | 22 | 0 |
| 12 | 14 | 23 | 39 | 23 | 0 |
| 13 | 14 | 23 | 39 | 23 | 1 |
| 14 | 13 | 22 | 39 | 24 | 1 |
| 15 | 13 | 22 | 39 | 25 | 1 |
| 16 | 12 | 21 | 39 | 26 | 1 |
| 17 | 11 | 21 | 39 | 27 | 2 |
| 18 | 11 | 21 | 39 | 28 | 2 |
| 19 | 10 | 20 | 39 | 29 | 2 |
| 20 | 10 | 20 | 39 | 29 | 3 |
| 21 | 9 | 19 | 38 | 30 | 3 |
| 22 | 9 | 19 | 38 | 31 | 3 |
| 23 | 9 | 19 | 37 | 32 | 4 |
| 24 | 9 | 18 | 37 | 32 | 4 |
| 25 | 9 | 18 | 36 | 33 | 4 |
| 26 | 9 | 18 | 36 | 33 | 4 |
| 27 | 9 | 18 | 35 | 34 | 4 |
| 28 | 9 | 18 | 35 | 34 | 5 |
| 29 | 9 | 18 | 34 | 34 | 5 |
| 30 | 9 | 18 | 34 | 34 | 5 |
| 31 | 9 | 19 | 34 | 34 | 4 |
Wind in January
Winds average 9 km/h in January.
Across January, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | 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 5:53 AM to 6:19 AM, and sunset from 8:06 PM to 8:01 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 | 14.2 | 14.2 | 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 | 13.7 | 13.7 | 13.7 |
| Sunrise (AM) | 5:53 | 5:54 | 5:54 | 5:55 | 5:56 | 5:57 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:01 | 6:02 | 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 |
| Sunset (PM) | 8:06 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:06 | 8:06 | 8:06 | 8:06 | 8:05 | 8:05 | 8:05 | 8:04 | 8:04 | 8:03 | 8:03 | 8:02 | 8:02 | 8:01 | 8:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:53 | 8:06 |
| 2 | 14.2 | 5:54 | 8:07 |
| 3 | 14.2 | 5:54 | 8:07 |
| 4 | 14.2 | 5:55 | 8:07 |
| 5 | 14.2 | 5:56 | 8:07 |
| 6 | 14.2 | 5:57 | 8:07 |
| 7 | 14.2 | 5:57 | 8:07 |
| 8 | 14.2 | 5:58 | 8:07 |
| 9 | 14.1 | 5:59 | 8:07 |
| 10 | 14.1 | 6:00 | 8:07 |
| 11 | 14.1 | 6:01 | 8:07 |
| 12 | 14.1 | 6:01 | 8:07 |
| 13 | 14.1 | 6:02 | 8:07 |
| 14 | 14.1 | 6:03 | 8:07 |
| 15 | 14.0 | 6:04 | 8:07 |
| 16 | 14.0 | 6:05 | 8:07 |
| 17 | 14.0 | 6:06 | 8:06 |
| 18 | 14.0 | 6:07 | 8:06 |
| 19 | 14.0 | 6:08 | 8:06 |
| 20 | 14.0 | 6:09 | 8:06 |
| 21 | 13.9 | 6:09 | 8:05 |
| 22 | 13.9 | 6:10 | 8:05 |
| 23 | 13.9 | 6:11 | 8:05 |
| 24 | 13.9 | 6:12 | 8:04 |
| 25 | 13.8 | 6:13 | 8:04 |
| 26 | 13.8 | 6:14 | 8:03 |
| 27 | 13.8 | 6:15 | 8:03 |
| 28 | 13.8 | 6:16 | 8:02 |
| 29 | 13.7 | 6:17 | 8:02 |
| 30 | 13.7 | 6:18 | 8:01 |
| 31 | 13.7 | 6:19 | 8:01 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 6.51 kWh/m².
For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.54 kWh/m² in December across the year — January's 6.51 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) | 6.9 | 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 | 5.9 | 5.9 | 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 | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.8 | Intense |
| 6 | 6.8 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Prestons
In January, Prestons sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Prestons sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is January a good time to visit Prestons?
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 Prestons for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Prestons in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Prestons sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.
Sea temperature near Prestons in January
The nearest coast averages about 23°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 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 2 — about 6.5 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 | 19 | 18 | 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 | 19 | Cool |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Prestons in January
Clear-sky midday UV in January 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 Prestons peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 | 12 | 9 | 6 | 4 | 2 | 3 | 4 | 5 | 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 | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 5 | High |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Air quality in Prestons 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 Prestons is worst in December — around 49 µg/m³ PM2.5 (poor), about 8.1× the cleanest month (June, 6 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 | 7 | 7 | 8 | 8 | 6 | 6 | 8 | 10 | 10 | 25 | 49 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 6 | Good |
| Jul | 6 | Good |
| Aug | 8 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 25 | Moderate |
| Dec | 49 | Poor |
Where is Prestons?
Prestons sits at 33.9°S, 150.9°E, 32 m above sea level, in Australia. The nearest listed city is Casula, 3.0 km away.
Topography around Prestons
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Prestons.
Within 3 km, the terrain around Prestons has only modest variations in elevation — a maximum elevation change of 55 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,361 m.
The land around Prestons is covered by artificial surfaces (63%) and trees (22%) within 3 km, trees (39%), artificial surfaces (32%) and grassland (25%) within 16 km, and trees (59%) and water (25%) 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 Prestons (-33.9419°, 150.8717°, elevation 32 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).