Weymouth weather in July

In July, Weymouth sees average daytime highs of 17°C and overnight lows near 15°C, with 48 mm of rain across 8.6 wet days and about 15.8 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 16 h 12 min at the start of July to 15 h 12 min by month's end. Set against the rest of the year, July is Weymouth's 1st-clearest and 12th-windiest month. For the whole year in context, see Weymouth's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
48 mm
8.6 wet days
Daylight
15 h 48 min
4:20 AM – 8:10 PM
Cloud cover
59%
1st clearest
Wind
19 km/h
12th windiest
Solar energy
5.64 kWh/m²
Travel score
5.8
out of 10

Weymouth is town in Dorset, England.

Density
2,887/km²
people per km²

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 17°C through the month.

A typical July day in Weymouth reaches about 17°C in the afternoon and slips back to 15°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11614
21714
31714
41714
51714
61714
71714
81714
91714
101714
111715
121715
131715
141715
151715
161715
171715
181715
191715
201815
211815
221815
231815
241815
251815
261815
271815
281815
291815
301815
311815

Weymouth weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 9814.48.31.5
Feb / 6911.29.71.3
Mar / 5910.511.51.8
Apr11° / 5910.113.52.5
May13° / 10°549.315.23.6
Jun15° / 13°539.216.24.7
Jul17° / 15°488.615.85.8
Aug18° / 15°679.814.35.9
Sep17° / 14°6710.112.45.3
Oct14° / 12°1161410.43.8
Nov12° / 11915.48.72.6
Dec10° / 10814.57.81.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34753
44753
54753
64753
74753
84852
94753
104852
114852
124852
134951
144951
154951
164852
174951
184951
194951
204951
214852
224951
234951
245050
254951
265050
275050
285050
294951
304951
314951

Chance of precipitation in July

Any precipitation

Weymouth gets around 48 mm of rain over 8.6 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
631
731
831
930
1029
1128
1228
1327
1426
1526
1626
1725
1825
1925
2025
2125
2225
2325
2425
2526
2626
2727
2827
2928
3028
3129

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
153461
252471
350491
449501
548511
647521
746522
845532
944542
1042553
1141563
1240564
1339574
1437585
1536586
1635596
1733607
1832608
1931609
20306010
21286210
22276211
23266212
24256312
25256213
26246214
27236314
28236215
29226315
30226216
31226216

Wind in July

Winds average 19 km/h in July, the calmest month.

Across July, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 12 min at the start of July to 15 h 12 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 4:07 AM to 4:40 AM, and sunset from 8:19 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.24:078:19
216.24:088:19
316.24:098:18
416.14:098:18
516.14:108:18
616.14:118:17
716.14:128:17
816.14:128:16
916.04:138:16
1016.04:148:15
1116.04:158:14
1216.04:168:14
1315.94:178:13
1415.94:188:12
1515.94:198:11
1615.84:208:10
1715.84:228:10
1815.84:238:09
1915.74:248:07
2015.74:258:06
2115.64:268:05
2215.64:288:04
2315.64:298:03
2415.54:308:02
2515.54:328:00
2615.44:337:59
2715.44:347:58
2815.34:367:56
2915.34:377:55
3015.34:387:54
3115.24:407:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.64 kWh/m².

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.86 kWh/m² in June across the year — July's 5.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in July

Is July a good time to visit Weymouth?

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

5.8
Sightseeing
2nd-best month of the year
1.5
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Weymouth for sightseeing.

What to pack for Weymouth in July

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

In July, Weymouth sees daytime highs around 17°C and nights near 15°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Weymouth 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 offshore is warmest in August at about 17°C and coldest in March near 8°C.

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

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar8Bracing
Apr10Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Weymouth 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 Weymouth peaks around August 13 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 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Weymouth?

Weymouth sits at 50.6°N, 2.5°W, -2 m above sea level, in United Kingdom. The nearest listed city is Dorchester, 12 km away.

Topography around Weymouth

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

Within 3 km, the terrain around Weymouth has only modest variations in elevation — a maximum elevation change of 71 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 382 m.

The land around Weymouth is covered by water (35%), artificial surfaces (24%) and grassland (22%) within 3 km, water (55%) and grassland (22%) within 16 km, and water (41%) and grassland (33%) within 80 km.

3 km
71 m
16 km
241 m
80 km
382 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Dorchester 12 km · Poole 35 km · Yeovil 38 km · Wimborne Minster 38 km · Bournemouth 43 km · Ferndown 45 km · Christchurch 50 km · New Milton 58 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 Weymouth (50.6145°, -2.4599°, elevation -2 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).