Londonderry County Borough weather in June

In June, Londonderry County Borough sees average daytime highs of 16°C and overnight lows near 10°C, with 87 mm of rain across 15.5 wet days and about 17 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 5% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 42 min at the start of June to 17 hours by month's end. Set against the rest of the year, June is Londonderry County Borough's 10th-clearest and 10th-windiest month. For the whole year in context, see Londonderry County Borough's year-round climate.

Daytime high
16°
3rd warmest
Overnight low
10°
9th coldest
Rainfall
87 mm
15.5 wet days
Daylight
17 h 06 min
3:58 AM – 9:01 PM
Cloud cover
81%
10th clearest
Wind
14 km/h
10th windiest
Solar energy
4.75 kWh/m²
Travel score
4.1
out of 10

Londonderry County Borough is city in Northern Ireland.

Density
225/km²
people per km²
Founded
~501 CE

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical June day in Londonderry County Borough reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, June runs about 2°C warmer than May and about 1°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1159
2159
3159
4159
5169
6169
7169
8169
9169
10169
111610
121610
131610
141610
151610
161610
171610
181610
191610
201610
211610
221610
231610
241610
251611
261711
271711
281711
291711
301711

How June really feels in Londonderry County Borough

Once humidity and wind are folded in, June 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

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

Londonderry County Borough weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8716.427.50.8
Feb / 7514.91.99.31.0
Mar / 7515.61.211.41.6
Apr11° / 7415.40.313.82.4
May14° / 7815.10.115.83.4
Jun16° / 10°8715.50174.1
Jul17° / 12°9316.8016.54.5
Aug17° / 12°9416.7014.74.5
Sep16° / 10°7514.2012.54.1
Oct13° / 8815.50.110.22.9
Nov10° / 9016.70.38.11.6
Dec / 9015.81.271.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22377
32377
42179
52179
62179
71981
81981
91981
101783
111783
121783
131684
141585
151486
161486
171288
181387
191387
201387
211486
221486
231486
241486
251486
261486
271585
281585
291585
301585

Chance of precipitation in June

Any precipitation

Londonderry County Borough gets around 87 mm of rain over 15.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
148
248
348
448
548
648
749
849
949
1049
1149
1250
1350
1450
1551
1651
1752
1852
1952
2053
2153
2253
2354
2454
2554
2655
2755
2855
2955
3055

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19640
29640
39550
49550
59550
69550
79460
89460
99460
109460
119370
129370
139370
149370
159280
169280
179280
189280
199190
209190
2190100
2289110
2388120
2488120
2587130
2687130
2786140
2884151
2984151
3083161

Wind in June

Winds average 14 km/h in June.

Across June, 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.

05101520151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 42 min at the start of June to 17 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:07 AM to 4:01 AM, and sunset from 8:47 PM to 9:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:078:47
216.74:068:48
316.74:058:49
416.84:048:50
516.84:038:51
616.84:028:53
716.94:028:54
816.94:018:55
916.94:008:56
1016.94:008:57
1117.03:598:58
1217.03:598:58
1317.03:598:59
1417.03:589:00
1517.03:589:01
1617.13:589:01
1717.13:589:02
1817.13:579:02
1917.13:579:03
2017.13:579:03
2117.13:589:03
2217.13:589:04
2317.13:589:04
2417.13:589:04
2517.13:599:04
2617.13:599:04
2717.13:599:04
2817.14:009:04
2917.14:009:04
3017.04:019:04

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.75 kWh/m².

For context, solar energy here swings from a low near 0.42 kWh/m² to a high of 4.84 kWh/m² in May across the year — June's 4.75 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in June

Is June a good time to visit Londonderry County Borough?

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

4.1
Sightseeing
3rd-best month of the year
Beach & pool
never really warm enough

June is a reasonable time to visit Londonderry County Borough for sightseeing.

What to pack for Londonderry County Borough in June

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

In June, Londonderry County Borough sees daytime highs around 16°C and nights near 10°C. Pack rain gear. Worth having: a warm layer and sun protection. About 16 days see rain.

rain geara warm layersun protection

Sea temperature near Londonderry County Borough in June

The nearest coast averages about 12°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in August at about 15°C and coldest in February near 8°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May10Bracing
Jun12Bracing
Jul14Bracing
Aug15Bracing
Sep14Bracing
Oct13Bracing
Nov12Bracing
Dec10Bracing

UV index in Londonderry County Borough in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Londonderry County Borough peaks around July 13 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5Moderate
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Londonderry County Borough?

Londonderry County Borough sits at 55.0°N, 7.3°W, 24 m above sea level, in United Kingdom. The nearest listed city is Derry, 0.0 km away.

BallymenaAntrimPortadownCraigavon

Topography around Londonderry County Borough

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

Within 3 km, the terrain around Londonderry County Borough has only modest variations in elevation — a maximum elevation change of 192 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 481 m; within 80 km, large variations in elevation — a maximum elevation change of 706 m.

The land around Londonderry County Borough is covered by artificial surfaces (31%), grassland (30%) and trees (27%) within 3 km, grassland (65%) within 16 km, and grassland (57%) and water (34%) within 80 km.

3 km
192 m
16 km
481 m
80 km
706 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Derry 0.0 km · Letterkenny 28 km · Coleraine 44 km · Omagh 44 km · Ballymena 68 km · Antrim 77 km · Portadown 85 km · Craigavon 85 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 Londonderry County Borough (54.9972°, -7.3092°, elevation 24 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).