Formby weather in August

In August, Formby sees average daytime highs of 18°C and overnight lows near 14°C, with 99 mm of rain across 16.4 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 4th-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 12% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Formby's 5th-clearest and 10th-windiest month. For the whole year in context, see Formby's year-round climate.

Daytime high
18°
1st warmest
Overnight low
14°
12th coldest
Rainfall
99 mm
16.4 wet days
Daylight
14 h 36 min
4:58 AM – 7:34 PM
Cloud cover
70%
5th clearest
Wind
17 km/h
10th windiest
Solar energy
4.2 kWh/m²
Travel score
5.0
out of 10

Formby is town and civil parish within the Metropolitan Borough of Sefton in Merseyside, England.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Formby reaches about 18°C in the afternoon and slips back to 14°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11915
21915
31915
41915
51914
61914
71914
81914
91814
101814
111814
121814
131814
141814
151814
161814
171814
181814
191814
201814
211814
221814
231814
241814
251814
261814
271814
281814
291713
301713
311713

How August really feels in Formby

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Formby weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9116.30.97.80.8
Feb / 7513.80.99.40.9
Mar / 7313.70.711.51.5
Apr11° / 6712.70.113.72.5
May14° / 6912.6015.63.7
Jun16° / 12°8313.6016.74.6
Jul18° / 14°8715.9016.35.1
Aug18° / 14°9916.4014.65.0
Sep16° / 12°9614.1012.54.5
Oct13° / 10°11516.5010.33.2
Nov10° / 115180.18.31.8
Dec / 121170.67.31.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73466
83367
93367
103367
113367
123367
133367
143367
153367
163367
173367
183169
193268
203268
213367
223466
233565
243565
253565
263565
273565
283664
293664
303664
313664

Chance of precipitation in August

Any precipitation

Formby gets around 99 mm of rain over 16.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 53% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
355
455
555
655
755
856
956
1056
1155
1255
1355
1455
1555
1655
1754
1854
1953
2053
2152
2252
2351
2450
2549
2649
2748
2848
2948
3047
3147

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
148448
248439
349429
449419
5504010
6513910
7523810
8513811
9523711
10523711
11523711
12543610
13543610
14533710
15533710
1654379
1754379
1855378
1956377
2057367
2158366
2259356
2360355
2461345
2563334
2663334
2764324
2866313
2966313
3067303
3167303

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 30 min at the start of August to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over August. Sunrise moves from 4:32 AM to 5:25 AM, and sunset from 8:04 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:328:04
215.54:348:03
315.44:368:01
415.44:377:59
515.34:397:57
615.24:417:55
715.24:437:53
815.14:447:51
915.14:467:49
1015.04:487:47
1114.94:497:45
1214.94:517:43
1314.84:537:41
1414.74:557:39
1514.74:577:37
1614.64:587:34
1714.55:007:32
1814.55:027:30
1914.45:047:28
2014.35:057:26
2114.35:077:23
2214.25:097:21
2314.15:117:19
2414.15:137:16
2514.05:147:14
2613.95:167:12
2713.95:187:09
2813.85:207:07
2913.75:227:04
3013.65:237:02
3113.65:256:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.2 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.38 kWh/m² in June across the year — August's 4.2 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.0Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Formby?

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

5.0
Sightseeing
2nd-best month of the year
1.7
Beach & pool
1st-best month of the year

August is a reasonable time to visit Formby for sightseeing.

What to pack for Formby in August

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

In August, Formby sees daytime highs around 18°C and nights near 14°C. Pack rain gear. About 16 days see rain.

rain gear

Sea temperature near Formby in August

The nearest coast averages about 17°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in February near 6°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct14Bracing
Nov11Bracing
Dec9Bracing

UV index in Formby in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Formby peaks around August 11 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Formby?

Formby sits at 53.6°N, 3.1°W, 12 m above sea level, in United Kingdom. The nearest listed city is Maghull, 10 km away.

Topography around Formby

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Formby.

Within 3 km, the terrain around Formby has only modest variations in elevation — a maximum elevation change of 36 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 88 m; within 80 km, large variations in elevation — a maximum elevation change of 1,055 m.

The land around Formby is covered by grassland (32%) and trees (23%) within 3 km, water (55%) within 16 km, and grassland (46%) and water (29%) within 80 km.

3 km
36 m
16 km
88 m
80 km
1,055 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Maghull 10 km · Southport 10 km · Bootle 11 km · Litherland 11 km · Ormskirk 12 km · Fazakerley 14 km · Kirkby 15 km · Wallasey 15 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

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 Formby (53.5584°, -3.07°, elevation 12 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. 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).