Sudbury weather in July

In July, Sudbury sees average daytime highs of 21°C and overnight lows near 14°C, with 56 mm of rain across 11.7 wet days and about 16 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. 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 24 min at the start of July to 15 h 24 min by month's end. Set against the rest of the year, July is Sudbury's 1st-clearest and 12th-windiest month. For the whole year in context, see Sudbury's year-round climate.

Daytime high
21°
1st warmest
Overnight low
14°
11th coldest
Rainfall
56 mm
11.7 wet days
Daylight
16 h 06 min
4:01 AM – 8:04 PM
Cloud cover
66%
1st clearest
Wind
14 km/h
12th windiest
Solar energy
5.22 kWh/m²
Travel score
6.2
out of 10

Sudbury is town in Babergh, Suffolk, England.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical July day in Sudbury reaches about 21°C in the afternoon and slips back to 14°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, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12013
22013
32013
42013
52013
62013
72013
82113
92113
102113
112113
122113
132114
142114
152114
162114
172114
182114
192114
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

How July really feels in Sudbury

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.

Sudbury weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5011.318.10.9
Feb / 419.41.29.61.0
Mar10° / 409.90.611.52.1
Apr13° / 4511013.63.3
May16° / 5210.2015.44.7
Jun19° / 11°5611016.45.7
Jul21° / 14°5611.70166.2
Aug21° / 14°6110.5014.46.3
Sep18° / 11°489.2012.45.8
Oct14° / 5710.6010.44.1
Nov10° / 5510.20.18.52.3
Dec / 5410.80.97.61.1

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 (%)
13565
23565
33565
43565
53466
63466
73466
83565
93565
103565
113466
123466
133466
143565
153565
163664
173664
183664
193664
203763
213763
223763
233763
243862
253664
263664
273664
283664
293664
303565
313565

Chance of precipitation in July

Any precipitation

Sudbury gets around 56 mm of rain over 11.7 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
440
540
640
740
840
940
1040
1139
1239
1338
1437
1536
1636
1735
1835
1934
2034
2134
2234
2334
2434
2534
2634
2734
2834
2935
3035
3135

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
164297
263307
362317
460337
559347
658357
757367
856377
955387
1054397
1154397
1252408
1352408
1452408
1551409
1651409
17504010
18494010
19484111
20484111
21474112
22464112
23464113
24454113
25454213
26444213
27444213
28444314
29434314
30434314
31434315

Wind in July

Winds average 14 km/h in July, the calmest month.

Across July, 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.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light 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 July

DaylightNight

Daylight runs from about 16 h 24 min at the start of July to 15 h 24 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 3:47 AM to 4:22 AM, and sunset from 8:14 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.43:478:14
216.43:488:13
316.43:498:13
416.43:498:13
516.43:508:12
616.33:518:12
716.33:528:11
816.33:538:11
916.33:548:10
1016.23:548:09
1116.23:568:09
1216.23:578:08
1316.23:588:07
1416.13:598:06
1516.14:008:05
1616.14:018:04
1716.04:028:03
1816.04:048:02
1915.94:058:01
2015.94:068:00
2115.94:077:59
2215.84:097:58
2315.84:107:56
2415.74:117:55
2515.74:137:54
2615.64:147:52
2715.64:167:51
2815.54:177:49
2915.54:197:48
3015.44:207:46
3115.44:227:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.22 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.42 kWh/m² in June across the year — July's 5.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Sudbury?

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

6.2
Sightseeing
2nd-best month of the year
3.8
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Sudbury for sightseeing.

What to pack for Sudbury in July

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

In July, Sudbury sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Sudbury in July

The nearest coast averages about 17°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 48 km away) is warmest in August at about 18°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Sudbury 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 Sudbury peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Sudbury?

Sudbury sits at 52.0°N, 0.7°E, 36 m above sea level, in United Kingdom. The nearest listed city is Colchester, 20 km away.

Topography around Sudbury

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

Within 3 km, the terrain around Sudbury has only modest variations in elevation — a maximum elevation change of 83 m around an average of 49 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 123 m; within 80 km, only modest variations in elevation — a maximum elevation change of 217 m.

The land around Sudbury is covered by cropland (44%), grassland (23%) and trees (22%) within 3 km, cropland (62%) and grassland (20%) within 16 km, and cropland (45%) and water (20%) within 80 km.

3 km
83 m
16 km
123 m
80 km
217 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Colchester 20 km · Haverhill 21 km · Braintree 22 km · Bury St Edmunds 23 km · Stowmarket 25 km · Witham 27 km · Ipswich 29 km · Newmarket 32 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 Sudbury (52.0389°, 0.7312°, elevation 36 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).