Calne weather in July

In July, Calne sees average daytime highs of 21°C and overnight lows near 13°C, with 59 mm of rain across 11.1 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 15% 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 Calne's 1st-clearest and 11th-windiest month. For the whole year in context, see Calne's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
59 mm
11.1 wet days
Daylight
16 hours
4:15 AM – 8:12 PM
Cloud cover
69%
1st clearest
Wind
13 km/h
11th windiest
Solar energy
4.95 kWh/m²
Travel score
6.1
out of 10

Calne is town in Wiltshire, England, UK.

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 Calne 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 25°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)
12012
22012
32012
42012
52012
62012
72012
82012
92013
102013
112013
122113
132113
142113
152113
162113
172113
182113
192113
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113
312113

How July really feels in Calne

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.

Calne 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 / 65120.98.10.9
Feb / 499.819.61.1
Mar10° / 5110.80.711.52.1
Apr13° / 5711.50.213.53.3
May16° / 6211.3015.34.6
Jun19° / 11°5810.7016.35.7
Jul21° / 13°5911.1015.96.1
Aug20° / 13°6610.9014.46.0
Sep18° / 10°559.5012.45.6
Oct14° / 7111.5010.43.8
Nov10° / 7012.10.18.62.1
Dec / 69120.87.71.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43070
52971
62971
73070
83070
93070
103070
113169
123268
133367
143367
153466
163565
173565
183565
193664
203664
213763
223664
233664
243763
253763
263664
273763
283763
293763
303664
313664

Chance of precipitation in July

Any precipitation

Calne gets around 59 mm of rain over 11.1 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 35% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
338
438
538
639
738
838
938
1037
1137
1236
1335
1435
1534
1634
1733
1833
1933
2032
2132
2233
2333
2434
2534
2635
2735
2835
2936
3036
3136

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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
170264
269274
367294
466304
565314
664324
764324
863334
962344
1062344
1161354
1260355
1360355
1460355
1559356
1659356
1759356
1857367
1957367
2056377
2156377
2254388
2354388
2453398
2553398
2652408
2752408
2852408
2950419
3050419
3151409

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
1314light breeze
1414light breeze
1514light breeze
1614light 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 4:01 AM to 4:35 AM, and sunset from 8:21 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.34:018:21
216.34:028:21
316.34:038:21
416.34:038:20
516.34:048:20
616.24:058:20
716.24:068:19
816.24:078:19
916.24:088:18
1016.14:088:17
1116.14:098:17
1216.14:108:16
1316.14:128:15
1416.04:138:14
1516.04:148:13
1616.04:158:12
1715.94:168:11
1815.94:178:10
1915.84:188:09
2015.84:208:08
2115.84:218:07
2215.74:228:06
2315.74:248:05
2415.64:258:03
2515.64:268:02
2615.54:288:01
2715.54:297:59
2815.54:317:58
2915.44:327:56
3015.44:347:55
3115.34:357:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.95 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.18 kWh/m² in June across the year — July's 4.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Calne?

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

6.1
Sightseeing
1st-best month of the year
3.6
Beach & pool
1st-best month of the year

July is a reasonable time to visit Calne for sightseeing.

What to pack for Calne in July

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

In July, Calne 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 Calne in July

The nearest coast averages about 18°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 61 km away) is warmest in August at about 18°C and coldest in February near 7°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
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Calne 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 Calne 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
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Calne?

Calne sits at 51.4°N, 2.0°W, 77 m above sea level, in United Kingdom. The nearest listed city is Chippenham, 9.0 km away.

Topography around Calne

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

Within 3 km, the terrain around Calne has only modest variations in elevation — a maximum elevation change of 93 m around an average of 88 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 263 m; within 80 km, significant variations in elevation — a maximum elevation change of 475 m.

The land around Calne is covered by grassland (46%), trees (22%) and cropland (22%) within 3 km, grassland (48%) and cropland (34%) within 16 km, and grassland (44%) and cropland (30%) within 80 km.

3 km
93 m
16 km
263 m
80 km
475 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Chippenham 9.0 km · Devizes 10 km · Melksham 12 km · Neston 14 km · Trowbridge 19 km · Swindon 20 km · Westbury 24 km · Bath 26 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 Calne (51.4388°, -2.0057°, elevation 77 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).