Belfast weather in June

In June, Belfast sees average daytime highs of 16°C and overnight lows near 11°C, with 75 mm of rain across 13.2 wet days and about 16.9 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 8% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 36 min at the start of June to 17 hours by month's end. Set against the rest of the year, June is Belfast's 10th-clearest and 10th-windiest month. For the whole year in context, see Belfast's year-round climate.

Daytime high: 16°; 3rd warmest
Overnight low: 11°; 9th coldest
Rainfall: 75 mm; 13.2 wet days
Daylight: 17 hours; 3:55 AM – 8:53 PM
Cloud cover: 77%; 10th clearest
Wind: 14 km/h; 10th windiest
Solar energy: 4.91 kWh/m²
Travel score: 4.4; out of 10

Belfast is capital city of Northern Ireland.

Air quality: Moderate; PM2.5 10.6 µg/m³ · 2019
Density: 3,026/km²; people per km²

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

← May Belfast year-round climate July →Best places to visit in June

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Belfast reaches about 16°C in the afternoon and slips back to 11°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 19°C. Set against its neighbours, June runs about 2°C warmer than May and about 2°C cooler than July.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17
Avg low (°C)	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	10
3	15	10
4	15	10
5	16	10
6	16	10
7	16	10
8	16	10
9	16	10
10	16	10
11	16	10
12	16	10
13	16	10
14	16	10
15	16	10
16	16	11
17	16	11
18	16	11
19	16	11
20	16	11
21	16	11
22	17	11
23	17	11
24	17	11
25	17	11
26	17	11
27	17	11
28	17	11
29	17	11
30	17	12

How June really feels in Belfast

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Belfast 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	7° / 4°	77	14.2	0.8	7.6	1.0
Feb	8° / 4°	62	12.1	0.9	9.3	1.1
Mar	9° / 4°	62	13.4	0.6	11.5	1.6
Apr	11° / 6°	65	13	0.2	13.7	2.5
May	14° / 8°	70	14.1	0.1	15.8	3.5
Jun	16° / 11°	75	13.2	0	16.9	4.4
Jul	18° / 12°	81	14.6	0	16.4	4.9
Aug	18° / 12°	81	14.2	0	14.7	4.9
Sep	16° / 11°	70	12.5	0	12.5	4.4
Oct	13° / 8°	87	13.5	0	10.2	3.1
Nov	10° / 6°	85	14	0.2	8.2	1.9
Dec	8° / 4°	82	13.5	0.5	7.1	1.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	25	25	25	25	26	25	24	23	23	23	22	21	21	20	19	19	18	18	17	17	17	17	17	15	15	15	16	16	16	16
Cloudier (%)	75	75	75	75	74	75	76	77	77	77	78	79	79	80	81	81	82	82	83	83	83	83	83	85	85	85	84	84	84	84

	Clearer (%)	Cloudier (%)
1	25	75
2	25	75
3	25	75
4	25	75
5	26	74
6	25	75
7	24	76
8	23	77
9	23	77
10	23	77
11	22	78
12	21	79
13	21	79
14	20	80
15	19	81
16	19	81
17	18	82
18	18	82
19	17	83
20	17	83
21	17	83
22	17	83
23	17	83
24	15	85
25	15	85
26	15	85
27	16	84
28	16	84
29	16	84
30	16	84

Chance of precipitation in June

Any precipitation

Belfast gets around 75 mm of rain over 13.2 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 44% and peaks near 46% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	45	45	45	45	44	44	44	44	44	43	43	43	44	44	44	44	44	44	44	44	44	44	44	44	45	45	45	45	45	46

	Rain chance (%)
1	45
2	45
3	45
4	45
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	43
13	44
14	44
15	44
16	44
17	44
18	44
19	44
20	44
21	44
22	44
23	44
24	44
25	45
26	45
27	45
28	45
29	45
30	46

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	97	96	96	96	95	95	95	94	94	93	93	92	92	92	91	91	90	90	89	89	88	88	87	86	86	84	84	83	82	82
Comfortable (%)	3	4	4	4	5	5	5	6	6	7	7	8	8	8	9	9	10	10	11	11	12	12	13	14	14	15	15	16	17	17
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	97	3	0
2	96	4	0
3	96	4	0
4	96	4	0
5	95	5	0
6	95	5	0
7	95	5	0
8	94	6	0
9	94	6	0
10	93	7	0
11	93	7	0
12	92	8	0
13	92	8	0
14	92	8	0
15	91	9	0
16	91	9	0
17	90	10	0
18	90	10	0
19	89	11	0
20	89	11	0
21	88	12	0
22	88	12	0
23	87	13	0
24	86	14	0
25	86	14	0
26	84	15	1
27	84	15	1
28	83	16	1
29	82	17	1
30	82	17	1

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	14	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 36 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 24 minutes over June. Sunrise moves from 4:04 AM to 3:58 AM, and sunset from 8:39 PM to 8:56 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	16.6	16.6	16.7	16.7	16.7	16.8	16.8	16.8	16.8	16.9	16.9	16.9	16.9	16.9	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0	17.0
Sunrise (AM)	4:04	4:03	4:02	4:01	4:00	3:59	3:59	3:58	3:57	3:57	3:56	3:56	3:56	3:55	3:55	3:55	3:55	3:55	3:55	3:55	3:55	3:55	3:55	3:55	3:56	3:56	3:56	3:57	3:58	3:58
Sunset (PM)	8:39	8:40	8:41	8:42	8:44	8:45	8:46	8:47	8:48	8:49	8:49	8:50	8:51	8:52	8:52	8:53	8:54	8:54	8:55	8:55	8:55	8:56	8:56	8:56	8:56	8:56	8:56	8:56	8:56	8:56

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	16.6	4:04	8:39
2	16.6	4:03	8:40
3	16.7	4:02	8:41
4	16.7	4:01	8:42
5	16.7	4:00	8:44
6	16.8	3:59	8:45
7	16.8	3:59	8:46
8	16.8	3:58	8:47
9	16.8	3:57	8:48
10	16.9	3:57	8:49
11	16.9	3:56	8:49
12	16.9	3:56	8:50
13	16.9	3:56	8:51
14	16.9	3:55	8:52
15	17.0	3:55	8:52
16	17.0	3:55	8:53
17	17.0	3:55	8:54
18	17.0	3:55	8:54
19	17.0	3:55	8:55
20	17.0	3:55	8:55
21	17.0	3:55	8:55
22	17.0	3:55	8:56
23	17.0	3:55	8:56
24	17.0	3:55	8:56
25	17.0	3:56	8:56
26	17.0	3:56	8:56
27	17.0	3:56	8:56
28	17.0	3:57	8:56
29	17.0	3:58	8:56
30	17.0	3:58	8:56

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.91 kWh/m².

For context, solar energy here swings from a low near 0.47 kWh/m² to a high of 4.95 kWh/m² in May across the year — June's 4.91 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0	5.0	5.0	4.9	4.9	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.1	Bright
3	5.1	Bright
4	5.1	Bright
5	5.1	Bright
6	5.1	Bright
7	5.1	Bright
8	5.0	Bright
9	5.0	Bright
10	5.0	Bright
11	5.0	Bright
12	5.0	Bright
13	5.0	Bright
14	4.9	Bright
15	4.9	Bright
16	4.9	Bright
17	4.9	Bright
18	4.9	Bright
19	4.9	Bright
20	4.8	Bright
21	4.8	Bright
22	4.8	Bright
23	4.8	Bright
24	4.8	Bright
25	4.8	Bright
26	4.8	Bright
27	4.8	Bright
28	4.7	Bright
29	4.7	Bright
30	4.7	Bright

Planning a trip in June

Is June a good time to visit Belfast?

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

4.4

Sightseeing

3rd-best month of the year

0.6

Beach & pool

3rd-best month of the year

June is a reasonable time to visit Belfast for sightseeing.

What to pack for Belfast in June

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

In June, Belfast sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Belfast in June

The nearest coast averages about 11°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 31 km away) is warmest in September at about 14°C and coldest in March near 8°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	9	8	8	8	9	11	12	13	14	14	12	11
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	9	Bracing
Feb	8	Bracing
Mar	8	Bracing
Apr	8	Bracing
May	9	Bracing
Jun	11	Bracing
Jul	12	Bracing
Aug	13	Bracing
Sep	14	Bracing
Oct	14	Bracing
Nov	12	Bracing
Dec	11	Bracing

UV index in Belfast 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 Belfast peaks around July 24 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 5 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	2	3	5	5	5	5	3	2	1	0
Level	Low	Low	Moderate	Moderate	High	High	High	High	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	0	Low
Feb	1	Low
Mar	2	Moderate
Apr	3	Moderate
May	5	High
Jun	5	High
Jul	5	High
Aug	5	High
Sep	3	Moderate
Oct	2	Low
Nov	1	Low
Dec	0	Low

Location & terrain

Where is Belfast?

Belfast sits at 54.6°N, 5.9°W, 7 m above sea level, in United Kingdom. The nearest listed city is Castlereagh, 4.0 km away.

Topography around Belfast

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

Within 3 km, the terrain around Belfast has only modest variations in elevation — a maximum elevation change of 76 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 495 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Belfast is covered by artificial surfaces (72%) within 3 km, grassland (58%) within 16 km, and grassland (47%) and water (45%) within 80 km.

3 km

76 m

artificial surfaces 72%

16 km

495 m

grassland 58%

80 km

860 m

grassland 47%

treesgrasslandcroplandartificial surfaceswater

← May Belfast year-round climate July →Best places to visit in June

June weather nearby: Castlereagh 4.0 km · Newtownabbey 7.0 km · Lisburn 11 km · Newtownards 15 km · Carrickfergus 15 km · Bangor 18 km · Antrim 23 km · Larne 29 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

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 Belfast (54.5968°, -5.9254°, elevation 7 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).

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	10
3	15	10
4	15	10
5	16	10
6	16	10
7	16	10
8	16	10
9	16	10
10	16	10
11	16	10
12	16	10
13	16	10
14	16	10
15	16	10
16	16	11
17	16	11
18	16	11
19	16	11
20	16	11
21	16	11
22	17	11
23	17	11
24	17	11
25	17	11
26	17	11
27	17	11
28	17	11
29	17	11
30	17	12

	Clearer (%)	Cloudier (%)
1	25	75
2	25	75
3	25	75
4	25	75
5	26	74
6	25	75
7	24	76
8	23	77
9	23	77
10	23	77
11	22	78
12	21	79
13	21	79
14	20	80
15	19	81
16	19	81
17	18	82
18	18	82
19	17	83
20	17	83
21	17	83
22	17	83
23	17	83
24	15	85
25	15	85
26	15	85
27	16	84
28	16	84
29	16	84
30	16	84

	Rain chance (%)
1	45
2	45
3	45
4	45
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	43
13	44
14	44
15	44
16	44
17	44
18	44
19	44
20	44
21	44
22	44
23	44
24	44
25	45
26	45
27	45
28	45
29	45
30	46

	Dry (%)	Comfortable (%)	Humid (%)
1	97	3	0
2	96	4	0
3	96	4	0
4	96	4	0
5	95	5	0
6	95	5	0
7	95	5	0
8	94	6	0
9	94	6	0
10	93	7	0
11	93	7	0
12	92	8	0
13	92	8	0
14	92	8	0
15	91	9	0
16	91	9	0
17	90	10	0
18	90	10	0
19	89	11	0
20	89	11	0
21	88	12	0
22	88	12	0
23	87	13	0
24	86	14	0
25	86	14	0
26	84	15	1
27	84	15	1
28	83	16	1
29	82	17	1
30	82	17	1

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	10
3	15	10
4	15	10
5	16	10
6	16	10
7	16	10
8	16	10
9	16	10
10	16	10
11	16	10
12	16	10
13	16	10
14	16	10
15	16	10
16	16	11
17	16	11
18	16	11
19	16	11
20	16	11
21	16	11
22	17	11
23	17	11
24	17	11
25	17	11
26	17	11
27	17	11
28	17	11
29	17	11
30	17	12

	Clearer (%)	Cloudier (%)
1	25	75
2	25	75
3	25	75
4	25	75
5	26	74
6	25	75
7	24	76
8	23	77
9	23	77
10	23	77
11	22	78
12	21	79
13	21	79
14	20	80
15	19	81
16	19	81
17	18	82
18	18	82
19	17	83
20	17	83
21	17	83
22	17	83
23	17	83
24	15	85
25	15	85
26	15	85
27	16	84
28	16	84
29	16	84
30	16	84

	Rain chance (%)
1	45
2	45
3	45
4	45
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	43
13	44
14	44
15	44
16	44
17	44
18	44
19	44
20	44
21	44
22	44
23	44
24	44
25	45
26	45
27	45
28	45
29	45
30	46

	Dry (%)	Comfortable (%)	Humid (%)
1	97	3	0
2	96	4	0
3	96	4	0
4	96	4	0
5	95	5	0
6	95	5	0
7	95	5	0
8	94	6	0
9	94	6	0
10	93	7	0
11	93	7	0
12	92	8	0
13	92	8	0
14	92	8	0
15	91	9	0
16	91	9	0
17	90	10	0
18	90	10	0
19	89	11	0
20	89	11	0
21	88	12	0
22	88	12	0
23	87	13	0
24	86	14	0
25	86	14	0
26	84	15	1
27	84	15	1
28	83	16	1
29	82	17	1
30	82	17	1

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	10
3	15	10
4	15	10
5	16	10
6	16	10
7	16	10
8	16	10
9	16	10
10	16	10
11	16	10
12	16	10
13	16	10
14	16	10
15	16	10
16	16	11
17	16	11
18	16	11
19	16	11
20	16	11
21	16	11
22	17	11
23	17	11
24	17	11
25	17	11
26	17	11
27	17	11
28	17	11
29	17	11
30	17	12

	Clearer (%)	Cloudier (%)
1	25	75
2	25	75
3	25	75
4	25	75
5	26	74
6	25	75
7	24	76
8	23	77
9	23	77
10	23	77
11	22	78
12	21	79
13	21	79
14	20	80
15	19	81
16	19	81
17	18	82
18	18	82
19	17	83
20	17	83
21	17	83
22	17	83
23	17	83
24	15	85
25	15	85
26	15	85
27	16	84
28	16	84
29	16	84
30	16	84

	Rain chance (%)
1	45
2	45
3	45
4	45
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	43
13	44
14	44
15	44
16	44
17	44
18	44
19	44
20	44
21	44
22	44
23	44
24	44
25	45
26	45
27	45
28	45
29	45
30	46

	Dry (%)	Comfortable (%)	Humid (%)
1	97	3	0
2	96	4	0
3	96	4	0
4	96	4	0
5	95	5	0
6	95	5	0
7	95	5	0
8	94	6	0
9	94	6	0
10	93	7	0
11	93	7	0
12	92	8	0
13	92	8	0
14	92	8	0
15	91	9	0
16	91	9	0
17	90	10	0
18	90	10	0
19	89	11	0
20	89	11	0
21	88	12	0
22	88	12	0
23	87	13	0
24	86	14	0
25	86	14	0
26	84	15	1
27	84	15	1
28	83	16	1
29	82	17	1
30	82	17	1