Alton weather in July

In July, Alton sees average daytime highs of 21°C and overnight lows near 13°C, with 58 mm of rain across 10.9 wet days and about 15.9 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 17% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 18 min at the start of July to 15 h 18 min by month's end. Set against the rest of the year, July is Alton's 1st-clearest and 11th-windiest month. For the whole year in context, see Alton's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
58 mm
10.9 wet days
Daylight
15 h 54 min
4:12 AM – 8:07 PM
Cloud cover
67%
1st clearest
Wind
13 km/h
11th windiest
Solar energy
5.1 kWh/m²
Travel score
6.3
out of 10

Alton is town in Hampshire, England.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Alton 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 17°C and 26°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52113
62113
72113
82113
92113
102113
112113
122113
132113
142113
152113
162113
172213
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213
312213

How July really feels in Alton

Once humidity and wind are folded in, July 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

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

Alton weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6011.20.88.21.0
Feb / 479.50.99.61.2
Mar10° / 469.90.511.52.3
Apr13° / 5611.30.113.53.5
May16° / 5910.6015.34.9
Jun19° / 11°5710.1016.25.9
Jul21° / 13°5810.9015.96.3
Aug21° / 13°6410.6014.46.2
Sep18° / 11°529.2012.45.8
Oct14° / 6611.5010.44.0
Nov10° / 6811.30.18.72.3
Dec / 6411.20.87.71.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63169
73367
83367
93268
103268
113367
123466
133466
143565
153565
163664
173763
183763
193763
203763
213862
223862
233763
243862
253862
263763
273763
283664
293664
303763
313664

Chance of precipitation in July

Any precipitation

Alton gets around 58 mm of rain over 10.9 wet days in July. 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 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
338
438
538
638
737
837
937
1036
1135
1235
1334
1434
1533
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2933
3033
3133

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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 (%)
169283
268293
366313
465323
563343
662353
761363
861363
959374
1059374
1158375
1258375
1358375
1457376
1557376
1656377
1756377
1856377
1955378
2054388
2154388
2253398
2352399
2451409
2550419
2650419
2749429
2848439
2947449
3047449
31464410

Wind in July

Winds average 13 km/h in July.

Across July, 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 18 min at the start of July to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 3:59 AM to 4:32 AM, and sunset from 8:16 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.33:598:16
216.33:598:16
316.34:008:15
416.24:018:15
516.24:018:14
616.24:028:14
716.24:038:14
816.24:048:13
916.14:058:12
1016.14:068:12
1116.14:078:11
1216.04:088:10
1316.04:098:10
1416.04:108:09
1515.94:118:08
1615.94:128:07
1715.94:138:06
1815.84:148:05
1915.84:168:04
2015.84:178:03
2115.74:188:02
2215.74:198:00
2315.64:217:59
2415.64:227:58
2515.64:237:57
2615.54:257:55
2715.54:267:54
2815.44:287:53
2915.44:297:51
3015.34:307:50
3115.34:327:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.1 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.33 kWh/m² in June across the year — July's 5.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in July

Is July a good time to visit Alton?

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

6.3
Sightseeing
1st-best month of the year
4.1
Beach & pool
1st-best month of the year

July is a reasonable time to visit Alton for sightseeing.

What to pack for Alton in July

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

In July, Alton sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Alton in July

The nearest coast averages about 16°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 59 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 Alton in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Alton peaks around August 10 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 10UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Alton?

Alton sits at 51.1°N, 1.0°W, 104 m above sea level, in United Kingdom. The nearest listed city is Bordon, 9.0 km away.

Topography around Alton

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

Within 3 km, the terrain around Alton has only modest variations in elevation — a maximum elevation change of 121 m around an average of 134 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 212 m; within 80 km, significant variations in elevation — a maximum elevation change of 302 m.

The land around Alton is covered by cropland (34%), trees (29%) and grassland (28%) within 3 km, trees (36%), cropland (33%) and grassland (27%) within 16 km, and grassland (30%), trees (24%) and cropland (21%) within 80 km.

3 km
121 m
16 km
212 m
80 km
302 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Bordon 9.0 km · Farnham 14 km · Basingstoke 15 km · Fleet 18 km · Aldershot 18 km · Haslemere 20 km · Farnborough 22 km · Yateley 24 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 Alton (51.1493°, -0.9747°, elevation 104 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).