Porsgrunn weather in June

In June, Porsgrunn sees average daytime highs of 18°C and overnight lows near 10°C, with 94 mm of rain across 12.5 wet days and about 18 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 23% of the time in June, and the air most often feels dry.

Daylight stretches from about 17 h 36 min at the start of June to 18 h 06 min by month's end. Set against the rest of the year, June is Porsgrunn's 5th-clearest and 10th-windiest month. For the whole year in context, see Porsgrunn's year-round climate.

Daytime high: 18°; 3rd warmest
Overnight low: 10°; 10th coldest
Rainfall: 94 mm; 12.5 wet days
Daylight: 18 h 06 min; 3:17 AM – 9:26 PM
Cloud cover: 64%; 5th clearest
Wind: 9 km/h; 10th windiest
Solar energy: 5.78 kWh/m²
Travel score: 5.5; out of 10

Porsgrunn is town in Porsgrunn Municipality, Norway.

Air quality: Good; PM2.5 7.4 µg/m³ · 2019
Founded: 1807

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

← May Porsgrunn 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

Highs climb over the month, from about 17°C in the first days to 19°C by the end.

A typical June day in Porsgrunn reaches about 18°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, June runs about 3°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)	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19
Avg low (°C)	8	8	8	8	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11

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

How June really feels in Porsgrunn

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.

Porsgrunn weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	0° / -5°	92	12.2	10.3	6.6	0.0
Feb	1° / -5°	62	9.3	8.4	8.8	0.0
Mar	5° / -3°	63	8.7	6.6	11.3	0.2
Apr	10° / 1°	59	9.4	3.5	14.1	2.1
May	15° / 6°	74	10.8	0.6	16.6	4.3
Jun	18° / 10°	94	12.5	0	18	5.5
Jul	20° / 12°	99	12.5	0	17.4	5.9
Aug	20° / 12°	106	13.4	0	15.2	5.7
Sep	15° / 8°	101	11.5	0	12.6	4.4
Oct	10° / 4°	107	12.5	1.5	9.8	1.9
Nov	5° / 0°	108	13	5.3	7.4	0.1
Dec	1° / -3°	84	12.2	8	5.9	0.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 57%. 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 (%)	48	48	47	47	48	47	46	46	45	44	45	44	42	42	41	40	40	40	39	39	39	38	39	40	40	41	41	42	43	43
Cloudier (%)	52	52	53	53	52	53	54	54	55	56	55	56	58	58	59	60	60	60	61	61	61	62	61	60	60	59	59	58	57	57

	Clearer (%)	Cloudier (%)
1	48	52
2	48	52
3	47	53
4	47	53
5	48	52
6	47	53
7	46	54
8	46	54
9	45	55
10	44	56
11	45	55
12	44	56
13	42	58
14	42	58
15	41	59
16	40	60
17	40	60
18	40	60
19	39	61
20	39	61
21	39	61
22	38	62
23	39	61
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	43	57
30	43	57

Chance of precipitation in June

Any precipitation

Porsgrunn gets around 94 mm of rain over 12.5 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 41% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

	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 (%)	35	35	35	36	36	36	37	37	38	39	39	40	41	42	43	44	44	45	45	45	46	46	46	46	46	45	45	44	44	43

	Rain chance (%)
1	35
2	35
3	35
4	36
5	36
6	36
7	37
8	37
9	38
10	39
11	39
12	40
13	41
14	42
15	43
16	44
17	44
18	45
19	45
20	45
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

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 95% 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 (%)	98	98	98	98	98	98	98	98	98	97	97	97	97	97	96	96	95	95	95	94	94	93	92	92	91	90	88	88	87	86
Comfortable (%)	2	2	2	2	2	2	2	2	2	3	3	3	3	3	4	4	5	5	5	6	6	7	8	8	9	10	11	11	12	13
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	0	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	98	2	0
7	98	2	0
8	98	2	0
9	98	2	0
10	97	3	0
11	97	3	0
12	97	3	0
13	97	3	0
14	97	3	0
15	96	4	0
16	96	4	0
17	95	5	0
18	95	5	0
19	95	5	0
20	94	6	0
21	94	6	0
22	93	7	0
23	92	8	0
24	92	8	0
25	91	9	0
26	90	10	0
27	88	11	1
28	88	11	1
29	87	12	1
30	86	13	1

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 9 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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 17 h 36 min at the start of June to 18 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over June. Sunrise moves from 3:30 AM to 3:21 AM, and sunset from 9:08 PM to 9:28 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)	17.6	17.7	17.7	17.8	17.8	17.9	17.9	17.9	18.0	18.0	18.0	18.1	18.1	18.1	18.1	18.1	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.2	18.1	18.1
Sunrise (AM)	3:30	3:29	3:28	3:26	3:25	3:24	3:23	3:22	3:21	3:20	3:20	3:19	3:19	3:18	3:18	3:17	3:17	3:17	3:17	3:17	3:17	3:17	3:17	3:17	3:18	3:18	3:19	3:19	3:20	3:21
Sunset (PM)	9:08	9:09	9:11	9:12	9:14	9:15	9:17	9:18	9:19	9:20	9:21	9:23	9:24	9:24	9:25	9:26	9:27	9:27	9:28	9:28	9:29	9:29	9:29	9:29	9:29	9:29	9:29	9:29	9:29	9:28

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	17.6	3:30	9:08
2	17.7	3:29	9:09
3	17.7	3:28	9:11
4	17.8	3:26	9:12
5	17.8	3:25	9:14
6	17.9	3:24	9:15
7	17.9	3:23	9:17
8	17.9	3:22	9:18
9	18.0	3:21	9:19
10	18.0	3:20	9:20
11	18.0	3:20	9:21
12	18.1	3:19	9:23
13	18.1	3:19	9:24
14	18.1	3:18	9:24
15	18.1	3:18	9:25
16	18.1	3:17	9:26
17	18.2	3:17	9:27
18	18.2	3:17	9:27
19	18.2	3:17	9:28
20	18.2	3:17	9:28
21	18.2	3:17	9:29
22	18.2	3:17	9:29
23	18.2	3:17	9:29
24	18.2	3:17	9:29
25	18.2	3:18	9:29
26	18.2	3:18	9:29
27	18.2	3:19	9:29
28	18.2	3:19	9:29
29	18.1	3:20	9:29
30	18.1	3:21	9:28

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.78 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.24 kWh/m² to a high of 5.78 kWh/m² in June across the year — June's 5.78 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)	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7
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	5.8	Bright
2	5.8	Bright
3	5.8	Bright
4	5.8	Bright
5	5.9	Bright
6	5.9	Bright
7	5.9	Bright
8	5.9	Bright
9	5.8	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.7	Bright
18	5.7	Bright
19	5.7	Bright
20	5.7	Bright
21	5.7	Bright
22	5.7	Bright
23	5.7	Bright
24	5.7	Bright
25	5.7	Bright
26	5.7	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright

Planning a trip in June

Is June a good time to visit Porsgrunn?

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

5.5

Sightseeing

3rd-best month of the year

1.9

Beach & pool

3rd-best month of the year

June is a reasonable time to visit Porsgrunn for sightseeing.

What to pack for Porsgrunn in June

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

In June, Porsgrunn sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Porsgrunn in June

The nearest coast averages about 15°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 30 km away) is warmest in August at about 18°C and coldest in February near 3°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)	5	3	4	6	11	15	17	18	15	12	9	6
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	5	Bracing
Feb	3	Bracing
Mar	4	Bracing
Apr	6	Bracing
May	11	Bracing
Jun	15	Bracing
Jul	17	Cool
Aug	18	Cool
Sep	15	Cool
Oct	12	Bracing
Nov	9	Bracing
Dec	6	Bracing

UV index in Porsgrunn in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porsgrunn peaks around July 20 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	2	3	4	4	5	5	3	1	0	0
Level	Low	Low	Low	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	0	Low
Feb	1	Low
Mar	2	Low
Apr	3	Moderate
May	4	Moderate
Jun	4	Moderate
Jul	5	Moderate
Aug	5	Moderate
Sep	3	Moderate
Oct	1	Low
Nov	0	Low
Dec	0	Low

Location & terrain

Where is Porsgrunn?

Porsgrunn sits at 59.1°N, 9.7°E, 9 m above sea level, in Norway. The nearest listed city is Skien, 8.0 km away.

Topography around Porsgrunn

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

Within 3 km, the terrain around Porsgrunn has significant variations in elevation — a maximum elevation change of 254 m around an average of 48 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,422 m.

The land around Porsgrunn is covered by trees (46%) and artificial surfaces (23%) within 3 km, trees (73%) within 16 km, and trees (59%) and water (31%) within 80 km.

3 km

254 m

trees 46%

16 km

548 m

trees 73%

80 km

1,422 m

trees 59%

treesgrasslandcroplandartificial surfaceswater

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

June weather nearby: Skien 8.0 km · Larvik 24 km · Sandefjord 32 km · Tønsberg 45 km · Horten 56 km · Kongsberg 59 km · Moss 66 km · Fredrikstad 73 km

Norway travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 91% of US; price level, 2025
GDP per capita: $94,594; 2025
Happiness: 7.2 / 10; World Happiness, 2025
Safe drinking water: 99%; of population, 2024
Homicide rate: 0.7; per 100k, 2023
Road deaths: 2.1; per 100k/yr, 2019
Income group: High; World Bank
English: Very high; EF EPI 613
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 Porsgrunn (59.1405°, 9.6561°, elevation 9 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	17	8
2	17	8
3	17	8
4	18	8
5	18	9
6	18	9
7	18	9
8	18	9
9	18	9
10	18	9
11	18	9
12	18	9
13	18	9
14	18	9
15	18	9
16	18	10
17	18	10
18	18	10
19	18	10
20	18	10
21	18	10
22	18	10
23	19	10
24	19	10
25	19	10
26	19	11
27	19	11
28	19	11
29	19	11
30	19	11

	Clearer (%)	Cloudier (%)
1	48	52
2	48	52
3	47	53
4	47	53
5	48	52
6	47	53
7	46	54
8	46	54
9	45	55
10	44	56
11	45	55
12	44	56
13	42	58
14	42	58
15	41	59
16	40	60
17	40	60
18	40	60
19	39	61
20	39	61
21	39	61
22	38	62
23	39	61
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	43	57
30	43	57

	Rain chance (%)
1	35
2	35
3	35
4	36
5	36
6	36
7	37
8	37
9	38
10	39
11	39
12	40
13	41
14	42
15	43
16	44
17	44
18	45
19	45
20	45
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	98	2	0
7	98	2	0
8	98	2	0
9	98	2	0
10	97	3	0
11	97	3	0
12	97	3	0
13	97	3	0
14	97	3	0
15	96	4	0
16	96	4	0
17	95	5	0
18	95	5	0
19	95	5	0
20	94	6	0
21	94	6	0
22	93	7	0
23	92	8	0
24	92	8	0
25	91	9	0
26	90	10	0
27	88	11	1
28	88	11	1
29	87	12	1
30	86	13	1

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

	Clearer (%)	Cloudier (%)
1	48	52
2	48	52
3	47	53
4	47	53
5	48	52
6	47	53
7	46	54
8	46	54
9	45	55
10	44	56
11	45	55
12	44	56
13	42	58
14	42	58
15	41	59
16	40	60
17	40	60
18	40	60
19	39	61
20	39	61
21	39	61
22	38	62
23	39	61
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	43	57
30	43	57

	Rain chance (%)
1	35
2	35
3	35
4	36
5	36
6	36
7	37
8	37
9	38
10	39
11	39
12	40
13	41
14	42
15	43
16	44
17	44
18	45
19	45
20	45
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	98	2	0
7	98	2	0
8	98	2	0
9	98	2	0
10	97	3	0
11	97	3	0
12	97	3	0
13	97	3	0
14	97	3	0
15	96	4	0
16	96	4	0
17	95	5	0
18	95	5	0
19	95	5	0
20	94	6	0
21	94	6	0
22	93	7	0
23	92	8	0
24	92	8	0
25	91	9	0
26	90	10	0
27	88	11	1
28	88	11	1
29	87	12	1
30	86	13	1

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

	Clearer (%)	Cloudier (%)
1	48	52
2	48	52
3	47	53
4	47	53
5	48	52
6	47	53
7	46	54
8	46	54
9	45	55
10	44	56
11	45	55
12	44	56
13	42	58
14	42	58
15	41	59
16	40	60
17	40	60
18	40	60
19	39	61
20	39	61
21	39	61
22	38	62
23	39	61
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	43	57
30	43	57

	Rain chance (%)
1	35
2	35
3	35
4	36
5	36
6	36
7	37
8	37
9	38
10	39
11	39
12	40
13	41
14	42
15	43
16	44
17	44
18	45
19	45
20	45
21	46
22	46
23	46
24	46
25	46
26	45
27	45
28	44
29	44
30	43

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	98	2	0
7	98	2	0
8	98	2	0
9	98	2	0
10	97	3	0
11	97	3	0
12	97	3	0
13	97	3	0
14	97	3	0
15	96	4	0
16	96	4	0
17	95	5	0
18	95	5	0
19	95	5	0
20	94	6	0
21	94	6	0
22	93	7	0
23	92	8	0
24	92	8	0
25	91	9	0
26	90	10	0
27	88	11	1
28	88	11	1
29	87	12	1
30	86	13	1