Sleaford weather in July

In July, Sleaford sees average daytime highs of 21°C and overnight lows near 13°C, with 66 mm of rain across 11.4 wet days and about 16.2 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 12% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 36 min at the start of July to 15 h 30 min by month's end. Set against the rest of the year, July is Sleaford's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sleaford's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
66 mm
11.4 wet days
Daylight
16 h 12 min
4:01 AM – 8:14 PM
Cloud cover
71%
3rd clearest
Wind
14 km/h
12th windiest
Solar energy
4.86 kWh/m²
Travel score
6.1
out of 10

Sleaford is market town and civil parish in Lincolnshire, 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

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

A typical July day in Sleaford reaches about 21°C in the afternoon and slips back to 13°C overnight — a 9°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 3°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42112
52112
62112
72112
82113
92113
102113
112113
122113
132113
142113
152113
162113
172113
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213
312214

How July really feels in Sleaford

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.

Sleaford 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 / 4911.50.97.90.8
Feb / 399.51.49.51.2
Mar10° / 4510.4111.52.2
Apr13° / 5211.20.213.63.4
May16° / 5410.8015.54.7
Jun19° / 11°6711.6016.65.6
Jul21° / 13°6611.4016.26.1
Aug21° / 13°6810.6014.56.2
Sep18° / 11°559.7012.45.6
Oct14° / 6010.8010.33.9
Nov10° / 5711.30.28.42.1
Dec / 5411.21.17.41.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32872
42872
52872
62971
72971
82971
92872
102971
113169
123169
133169
143169
153169
163169
173169
183169
193169
203169
213169
223268
233367
243367
253367
263268
273268
283367
293466
303466
313466

Chance of precipitation in July

Any precipitation

Sleaford gets around 66 mm of rain over 11.4 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
537
637
737
837
937
1036
1136
1236
1336
1436
1535
1635
1735
1835
1935
2035
2135
2236
2336
2436
2536
2637
2737
2837
2937
3037
3137

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
175223
274233
373243
472253
572262
670282
770282
869292
968302
1067303
1167303
1267303
1367303
1466304
1567294
1666295
1766295
1865296
1965296
2064297
2164297
2263298
2363298
2462299
2561309
2661309
2760319
28593110
29583210
30583210
31583210

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 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
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 36 min at the start of July to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over July. Sunrise moves from 3:46 AM to 4:22 AM, and sunset from 8:24 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.63:468:24
216.63:478:23
316.63:488:23
416.63:498:23
516.53:498:22
616.53:508:22
716.53:518:21
816.53:528:20
916.43:538:20
1016.43:548:19
1116.43:558:18
1216.43:568:17
1316.33:578:17
1416.33:588:16
1516.34:008:15
1616.24:018:14
1716.24:028:13
1816.14:038:11
1916.14:058:10
2016.14:068:09
2116.04:078:08
2216.04:098:07
2315.94:108:05
2415.94:128:04
2515.84:138:02
2615.84:158:01
2715.74:167:59
2815.74:187:58
2915.64:197:56
3015.64:217:55
3115.54:227:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.86 kWh/m².

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 4.96 kWh/m² in June across the year — July's 4.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Sleaford?

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

6.1
Sightseeing
2nd-best month of the year
3.9
Beach & pool
1st-best month of the year

July is a reasonable time to visit Sleaford for sightseeing.

What to pack for Sleaford in July

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

In July, Sleaford 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 Sleaford 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 54 km away) is warmest in August at about 17°C and coldest in February near 5°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
Jan6Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct13Bracing
Nov10Bracing
Dec7Bracing

UV index in Sleaford 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 Sleaford peaks around August 11 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 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Sleaford?

Sleaford sits at 53.0°N, 0.4°W, 17 m above sea level, in United Kingdom. The nearest listed city is Grantham, 18 km away.

Topography around Sleaford

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

Within 3 km, the terrain around Sleaford has only modest variations in elevation — a maximum elevation change of 43 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, significant variations in elevation — a maximum elevation change of 424 m.

The land around Sleaford is covered by cropland (61%) within 3 km, cropland (76%) within 16 km, and cropland (52%) and grassland (20%) within 80 km.

3 km
43 m
16 km
145 m
80 km
424 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Grantham 18 km · Boston 26 km · Lincoln 27 km · Newark on Trent 28 km · Spalding 29 km · Stamford 39 km · Melton Mowbray 41 km · Arnold 48 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 Sleaford (52.9983°, -0.4094°, elevation 17 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).