Umina Beach weather in August

In August, Umina Beach sees average daytime highs of 18°C and overnight lows near 10°C, with 49 mm of rain across 6.5 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 62% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Umina Beach's 1st-clearest and 1st-windiest month. For the whole year in context, see Umina Beach's year-round climate.

Daytime high: 18°; 10th warmest
Overnight low: 10°; 2nd coldest
Rainfall: 49 mm; 6.5 wet days
Daylight: 10 h 42 min; 7:36 AM – 6:21 PM
Cloud cover: 34%; 1st clearest
Wind: 14 km/h; 1st windiest
Solar energy: 3.76 kWh/m²
Travel score: 6.7; 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.

← July Umina Beach year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical August day in Umina Beach reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C cooler than September.

	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)	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	19
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11

	Avg high (°C)	Avg low (°C)
1	17	9
2	17	9
3	17	9
4	17	9
5	17	9
6	17	9
7	17	9
8	17	9
9	17	9
10	18	9
11	18	9
12	18	10
13	18	10
14	18	10
15	18	10
16	18	10
17	18	10
18	18	10
19	18	10
20	18	10
21	18	10
22	18	10
23	18	10
24	18	10
25	18	10
26	18	10
27	18	11
28	18	11
29	18	11
30	19	11
31	19	11

Umina Beach weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to cloud over 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 (%)	80	80	81	81	82	82	82	82	81	81	81	81	81	80	80	80	78	78	78	76	76	76	74	74	73	73	72	72	72	72	72
Cloudier (%)	20	20	19	19	18	18	18	18	19	19	19	19	19	20	20	20	22	22	22	24	24	24	26	26	27	27	28	28	28	28	28

	Clearer (%)	Cloudier (%)
1	80	20
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	82	18
8	82	18
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	80	20
15	80	20
16	80	20
17	78	22
18	78	22
19	78	22
20	76	24
21	76	24
22	76	24
23	74	26
24	74	26
25	73	27
26	73	27
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

Chance of precipitation in August

Any precipitation

Umina Beach gets around 49 mm of rain over 6.5 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

	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 (%)	21	20	19	19	19	18	18	18	18	18	18	19	19	19	19	19	20	20	21	22	22	23	24	24	25	25	26	26	27	27	28

	Rain chance (%)
1	21
2	20
3	19
4	19
5	19
6	18
7	18
8	18
9	18
10	18
11	18
12	19
13	19
14	19
15	19
16	19
17	20
18	20
19	21
20	22
21	22
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	27
30	27
31	28

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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 (%)	98	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	98	98	98	98	97	97	96	96	95	95	95	94	94
Comfortable (%)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	4	4	5	5	5	6	6

	Dry (%)	Comfortable (%)
1	98	2
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	98	2
20	98	2
21	98	2
22	98	2
23	97	3
24	97	3
25	96	4
26	96	4
27	95	5
28	95	5
29	95	5
30	94	6
31	94	6

Wind in August

Winds average 14 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 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	15	15	15	15	15	15	15	15	15	15	15	15	15	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	15	light breeze
6	15	light breeze
7	15	light breeze
8	15	light breeze
9	15	light breeze
10	15	light breeze
11	15	light breeze
12	15	light breeze
13	15	light breeze
14	15	light breeze
15	15	light breeze
16	15	light breeze
17	15	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 August

DaylightNight

Daylight runs from about 10 h 18 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over August. Sunrise moves from 7:51 AM to 7:18 AM, and sunset from 6:10 PM to 6:32 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)	10.3	10.3	10.4	10.4	10.4	10.5	10.5	10.5	10.5	10.6	10.6	10.6	10.7	10.7	10.7	10.7	10.8	10.8	10.8	10.9	10.9	10.9	11.0	11.0	11.0	11.1	11.1	11.1	11.2	11.2	11.2
Sunrise (AM)	7:51	7:50	7:50	7:49	7:48	7:47	7:46	7:45	7:44	7:43	7:42	7:41	7:40	7:39	7:38	7:36	7:35	7:34	7:33	7:32	7:31	7:29	7:28	7:27	7:26	7:24	7:23	7:22	7:20	7:19	7:18
Sunset (PM)	6:10	6:11	6:12	6:13	6:13	6:14	6:15	6:15	6:16	6:17	6:18	6:18	6:19	6:20	6:20	6:21	6:22	6:23	6:23	6:24	6:25	6:26	6:26	6:27	6:28	6:28	6:29	6:30	6:30	6:31	6:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.3	7:51	6:10
2	10.3	7:50	6:11
3	10.4	7:50	6:12
4	10.4	7:49	6:13
5	10.4	7:48	6:13
6	10.5	7:47	6:14
7	10.5	7:46	6:15
8	10.5	7:45	6:15
9	10.5	7:44	6:16
10	10.6	7:43	6:17
11	10.6	7:42	6:18
12	10.6	7:41	6:18
13	10.7	7:40	6:19
14	10.7	7:39	6:20
15	10.7	7:38	6:20
16	10.7	7:36	6:21
17	10.8	7:35	6:22
18	10.8	7:34	6:23
19	10.8	7:33	6:23
20	10.9	7:32	6:24
21	10.9	7:31	6:25
22	10.9	7:29	6:26
23	11.0	7:28	6:26
24	11.0	7:27	6:27
25	11.0	7:26	6:28
26	11.1	7:24	6:28
27	11.1	7:23	6:29
28	11.1	7:22	6:30
29	11.2	7:20	6:30
30	11.2	7:19	6:31
31	11.2	7:18	6:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.76 kWh/m².

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 — August's 3.76 kWh/m² falls in the middle.

	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)	3.3	3.3	3.4	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.6	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.1	4.1	4.1	4.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.3	Moderate
2	3.3	Moderate
3	3.4	Moderate
4	3.4	Moderate
5	3.4	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.6	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.7	Moderate
13	3.7	Moderate
14	3.7	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.8	Moderate
18	3.8	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.9	Moderate
22	3.9	Moderate
23	3.9	Moderate
24	4.0	Moderate
25	4.0	Moderate
26	4.0	Bright
27	4.0	Bright
28	4.1	Bright
29	4.1	Bright
30	4.1	Bright
31	4.2	Bright

Planning a trip in August

Hazard calendar for Umina Beach

In seasonPeak

None of Umina Beach's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Umina Beach sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is August a good time to visit Umina Beach?

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

6.7

Sightseeing

7th-best month of the year

2.1

Beach & pool

10th-best month of the year

August is a reasonable time to visit Umina Beach for sightseeing.

What to pack for Umina Beach in August

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

In August, Umina Beach sees daytime highs around 18°C and nights near 10°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Umina Beach in August

The nearest coast averages about 18°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. 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

Location & terrain

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.

3 km

196 m

trees 45%

16 km

288 m

trees 51%

80 km

921 m

trees 55%

treesgrasslandartificial surfacesbare terrainwater

← July Umina Beach year-round climate September →Best places to visit in August

August weather nearby: Central Coast 12 km · Pittwater 16 km · Dee Why 25 km · Saint Ives 27 km · Hornsby 28 km · Wahroonga 28 km · Manly 31 km · Chatswood 33 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).

	Avg high (°C)	Avg low (°C)
1	17	9
2	17	9
3	17	9
4	17	9
5	17	9
6	17	9
7	17	9
8	17	9
9	17	9
10	18	9
11	18	9
12	18	10
13	18	10
14	18	10
15	18	10
16	18	10
17	18	10
18	18	10
19	18	10
20	18	10
21	18	10
22	18	10
23	18	10
24	18	10
25	18	10
26	18	10
27	18	11
28	18	11
29	18	11
30	19	11
31	19	11

	Clearer (%)	Cloudier (%)
1	80	20
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	82	18
8	82	18
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	80	20
15	80	20
16	80	20
17	78	22
18	78	22
19	78	22
20	76	24
21	76	24
22	76	24
23	74	26
24	74	26
25	73	27
26	73	27
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

	Rain chance (%)
1	21
2	20
3	19
4	19
5	19
6	18
7	18
8	18
9	18
10	18
11	18
12	19
13	19
14	19
15	19
16	19
17	20
18	20
19	21
20	22
21	22
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	27
30	27
31	28

	Dry (%)	Comfortable (%)
1	98	2
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	98	2
20	98	2
21	98	2
22	98	2
23	97	3
24	97	3
25	96	4
26	96	4
27	95	5
28	95	5
29	95	5
30	94	6
31	94	6

	Avg high (°C)	Avg low (°C)
1	17	9
2	17	9
3	17	9
4	17	9
5	17	9
6	17	9
7	17	9
8	17	9
9	17	9
10	18	9
11	18	9
12	18	10
13	18	10
14	18	10
15	18	10
16	18	10
17	18	10
18	18	10
19	18	10
20	18	10
21	18	10
22	18	10
23	18	10
24	18	10
25	18	10
26	18	10
27	18	11
28	18	11
29	18	11
30	19	11
31	19	11

	Clearer (%)	Cloudier (%)
1	80	20
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	82	18
8	82	18
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	80	20
15	80	20
16	80	20
17	78	22
18	78	22
19	78	22
20	76	24
21	76	24
22	76	24
23	74	26
24	74	26
25	73	27
26	73	27
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

	Rain chance (%)
1	21
2	20
3	19
4	19
5	19
6	18
7	18
8	18
9	18
10	18
11	18
12	19
13	19
14	19
15	19
16	19
17	20
18	20
19	21
20	22
21	22
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	27
30	27
31	28

	Dry (%)	Comfortable (%)
1	98	2
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	98	2
20	98	2
21	98	2
22	98	2
23	97	3
24	97	3
25	96	4
26	96	4
27	95	5
28	95	5
29	95	5
30	94	6
31	94	6

	Avg high (°C)	Avg low (°C)
1	17	9
2	17	9
3	17	9
4	17	9
5	17	9
6	17	9
7	17	9
8	17	9
9	17	9
10	18	9
11	18	9
12	18	10
13	18	10
14	18	10
15	18	10
16	18	10
17	18	10
18	18	10
19	18	10
20	18	10
21	18	10
22	18	10
23	18	10
24	18	10
25	18	10
26	18	10
27	18	11
28	18	11
29	18	11
30	19	11
31	19	11

	Clearer (%)	Cloudier (%)
1	80	20
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	82	18
8	82	18
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	80	20
15	80	20
16	80	20
17	78	22
18	78	22
19	78	22
20	76	24
21	76	24
22	76	24
23	74	26
24	74	26
25	73	27
26	73	27
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

	Rain chance (%)
1	21
2	20
3	19
4	19
5	19
6	18
7	18
8	18
9	18
10	18
11	18
12	19
13	19
14	19
15	19
16	19
17	20
18	20
19	21
20	22
21	22
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	27
30	27
31	28

	Dry (%)	Comfortable (%)
1	98	2
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	98	2
20	98	2
21	98	2
22	98	2
23	97	3
24	97	3
25	96	4
26	96	4
27	95	5
28	95	5
29	95	5
30	94	6
31	94	6