Seaford in Winter
In winter (June, July and August), Seaford sees average daytime highs around 14°C and overnight lows near 7°C, with 176 mm of rain over about 36 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 14°C. The sky is clear or mostly clear about 19% of the time across winter, and the air most often feels dry.
Winter is Seaford's weakest season of the year to visit on our travel score. For the whole year in context, see Seaford's year-round climate.
- Avg daytime high
- 14°C
- coldest season of the year
- Avg overnight low
- 7°C
- Rainfall
- 176 mm
- 36 wet days
- Avg wind
- 13 km/h
- Travel score
- 3.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Seaford in Winter
Across winter, daytime highs hold fairly steady around 14°C.
A typical winter day in Seaford reaches about 14°C and drops to 7°C overnight. The warmest of the three months is August, the coolest July.
Seaford weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 14° | 49 | 6.2 | 14.3 | 7.4 |
| Feb | 26° / 15° | 44 | 5.8 | 13.5 | 7.4 |
| Mar | 24° / 13° | 38 | 6.4 | 12.3 | 7.5 |
| Apr | 20° / 11° | 51 | 7.9 | 11 | 6.5 |
| May | 16° / 9° | 53 | 10.2 | 10 | 5.1 |
| Jun | 14° / 7° | 57 | 11.1 | 9.4 | 3.8 |
| Jul | 13° / 7° | 54 | 11.8 | 9.6 | 3.5 |
| Aug | 14° / 7° | 65 | 13 | 10.5 | 3.9 |
| Sep | 17° / 8° | 71 | 13 | 11.7 | 4.8 |
| Oct | 19° / 9° | 68 | 11.5 | 13 | 5.8 |
| Nov | 22° / 11° | 64 | 9.8 | 14.1 | 6.5 |
| Dec | 24° / 13° | 62 | 8.4 | 14.6 | 7.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 19% of the time across winter.
Chance of precipitation in Winter
Seaford gets around 176 mm of rain over 36 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 36 min in early June to 11 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.2 kWh/m².
Is winter a good time to visit Seaford?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Seaford.
What to pack for Seaford in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Seaford sees daytime highs around 14°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 36 days see rain.
Sea temperature near Seaford in Winter
The nearest coast averages about 12°C across winter — 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 21°C and coldest in August near 11°C.
It's comfortable for a long swim from Jan 18 to Mar 11 — about 1.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 21 | 20 | 18 | 15 | 13 | 12 | 11 | 12 | 14 | 17 | 18 |
| Comfort | Refreshing | Refreshing | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 20 | Cool |
| Apr | 18 | Cool |
| May | 15 | Cool |
| Jun | 13 | Bracing |
| Jul | 12 | Bracing |
| Aug | 11 | Bracing |
| Sep | 12 | Bracing |
| Oct | 14 | Bracing |
| Nov | 17 | Cool |
| Dec | 18 | Cool |
UV index in Seaford in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Seaford peaks around December 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 8 | 5 | 3 | 2 | 2 | 3 | 4 | 7 | 10 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Moderate | Moderate | Moderate | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Moderate |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 7 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Where is Seaford?
Seaford sits at 38.1°S, 145.1°E, 7 m above sea level, in Australia. The nearest listed city is Carrum Downs, 3.0 km away.
Topography around Seaford
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Seaford.
Within 3 km, the terrain around Seaford has only modest variations in elevation — a maximum elevation change of 26 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,302 m.
The land around Seaford is covered by artificial surfaces (35%) and water (34%) within 3 km, water (36%), artificial surfaces (23%) and grassland (20%) within 16 km, and water (32%), grassland (30%) and trees (24%) 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 Seaford (-38.1°, 145.1333°, elevation 7 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.