Romsey weather in August

In August, Romsey sees average daytime highs of 21°C and overnight lows near 13°C, with 65 mm of rain across 10.4 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 20°C by the end. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Romsey's 2nd-clearest and 11th-windiest month. For the whole year in context, see Romsey's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
65 mm
10.4 wet days
Daylight
14 h 24 min
4:59 AM – 7:21 PM
Cloud cover
66%
2nd clearest
Wind
13 km/h
11th windiest
Solar energy
4.33 kWh/m²
Travel score
6.2
out of 10

Romsey is town in Hampshire, England, UK.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 20°C by the end.

A typical August day in Romsey reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22114
32114
42114
52114
62114
72114
82114
92113
102113
112113
122113
132113
142113
152113
162113
172113
182113
192113
202113
212013
222013
232013
242013
252013
262012
272012
282012
292012
302012
312012

How August really feels in Romsey

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.

Romsey weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6711.50.58.21.1
Feb / 5110.10.79.71.3
Mar10° / 4810.20.511.52.3
Apr13° / 5611.10.113.53.5
May16° / 5710015.34.9
Jun19° / 11°5410016.25.9
Jul21° / 13°5310015.86.4
Aug21° / 13°6510.4014.36.2
Sep18° / 11°549.3012.45.8
Oct14° / 7511.6010.44.0
Nov11° / 7511.708.72.4
Dec / 7111.40.57.81.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53961
64060
74060
83961
93961
103961
113961
124060
134060
144060
153862
163862
173862
183862
193763
203763
213664
223664
233664
243565
253565
263466
273565
283466
293367
303367
313367

Chance of precipitation in August

Any precipitation

Romsey gets around 65 mm of rain over 10.4 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
334
434
534
634
734
834
934
1034
1134
1235
1335
1435
1535
1636
1736
1836
1936
2036
2136
2235
2335
2434
2533
2633
2732
2831
2930
3029
3129

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14247110
24247110
34246120
44345120
54344120
64443130
74542130
84541130
94640130
104740140
114739140
124838140
134838140
144838130
154938130
164938131
174938121
184938121
195038121
205038111
215038111
225237101
23533791
24543691
25553681
26563581
27573571
28583471
29603460
30613360
31623260

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 min at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over August. Sunrise moves from 4:36 AM to 5:23 AM, and sunset from 7:48 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:367:48
215.14:387:46
315.14:397:45
415.04:417:43
515.04:427:41
614.94:447:40
714.94:457:38
814.84:477:36
914.84:487:34
1014.74:507:33
1114.74:517:31
1214.64:537:29
1314.54:547:27
1414.54:567:25
1514.44:587:23
1614.44:597:21
1714.35:017:19
1814.25:027:17
1914.25:047:15
2014.15:067:13
2114.15:077:11
2214.05:097:09
2313.95:107:07
2413.95:127:04
2513.85:147:02
2613.75:157:00
2713.75:176:58
2813.65:186:56
2913.65:206:53
3013.55:226:51
3113.45:236:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.33 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.44 kWh/m² in June across the year — August's 4.33 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Romsey?

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

6.2
Sightseeing
2nd-best month of the year
3.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Romsey for sightseeing.

What to pack for Romsey in August

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

In August, Romsey sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Romsey 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 41 km away) is warmest in August at about 18°C and coldest in March near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Romsey 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 Romsey peaks around August 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Romsey?

Romsey sits at 51.0°N, 1.5°W, 20 m above sea level, in United Kingdom. The nearest listed city is Totton, 8.0 km away.

Topography around Romsey

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

Within 3 km, the terrain around Romsey has only modest variations in elevation — a maximum elevation change of 76 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, significant variations in elevation — a maximum elevation change of 304 m.

The land around Romsey is covered by trees (43%) and grassland (37%) within 3 km, trees (40%) and grassland (32%) within 16 km, and grassland (31%), water (25%) and cropland (22%) within 80 km.

3 km
76 m
16 km
186 m
80 km
304 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Totton 8.0 km · Eastleigh 11 km · Southampton 12 km · Bishopstoke 12 km · Winchester 15 km · Hythe 16 km · Hedge End 16 km · Salisbury 23 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 Romsey (50.9891°, -1.4999°, elevation 20 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).