Hamina weather in June

In June, Hamina sees average daytime highs of 18°C and overnight lows near 10°C, with 65 mm of rain across 10.7 wet days and about 18.5 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 16°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 18 hours at the start of June to 18 h 36 min by month's end. Set against the rest of the year, June is Hamina's 3rd-clearest and 9th-windiest month. For the whole year in context, see Hamina's year-round climate.

Daytime high
18°
3rd warmest
Overnight low
10°
10th coldest
Rainfall
65 mm
10.7 wet days
Daylight
18 h 36 min
2:52 AM – 9:30 PM
Cloud cover
64%
3rd clearest
Wind
13 km/h
9th windiest
Solar energy
5.62 kWh/m²
Travel score
5.5
out of 10

Hamina is urban area in Hamina, Finland.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical June day in Hamina reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1168
2168
3168
4178
5179
6179
7179
8179
9179
10179
11179
121710
131810
141810
151810
161810
171810
181810
191811
201811
211811
221911
231911
241911
251911
261912
271912
281912
292012
302012

How June really feels in Hamina

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.

Hamina weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4811.1116.20.0
Feb-3° / -8°429.39.48.60.0
Mar / -5°389.27.311.30.0
Apr / -0°368.82.514.21.0
May14° / 449.40.116.94.0
Jun18° / 10°6510.7018.55.5
Jul21° / 14°5910.7017.86.4
Aug20° / 13°6811.5015.46.0
Sep15° / 5910.3012.64.2
Oct / 6511.81.19.71.3
Nov / -0°6112.15.170.0
Dec-0° / -4°6012.19.25.50.0

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%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54654
64654
74654
84555
94555
104555
114555
124357
134357
144258
154258
164159
174159
184159
194159
204159
214060
224060
234159
244060
254159
264258
274258
284357
294456
304555

Chance of precipitation in June

Any precipitation

Hamina gets around 65 mm of rain over 10.7 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 37% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
231
331
431
531
632
732
833
933
1034
1135
1236
1337
1438
1539
1640
1740
1841
1941
2041
2140
2240
2340
2439
2539
2639
2738
2838
2937
3037

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19640
29640
39640
49640
59550
69550
79550
89550
99550
109460
119460
129361
139361
149361
159271
169271
179181
189082
198992
2088102
2188102
2286113
2385123
2484133
2583143
2681163
2779174
2878184
2977194
3075214

Wind in June

Winds average 13 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in June

DaylightNight

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

Days grow by about 36 minutes over June. Sunrise moves from 3:08 AM to 2:56 AM, and sunset from 9:10 PM to 9:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
118.03:089:10
218.13:069:12
318.23:059:14
418.23:039:15
518.33:029:17
618.33:019:18
718.32:599:20
818.42:589:21
918.42:579:23
1018.52:569:24
1118.52:559:25
1218.52:559:27
1318.62:549:28
1418.62:539:29
1518.62:539:30
1618.62:529:30
1718.72:529:31
1818.72:529:32
1918.72:529:32
2018.72:529:33
2118.72:529:33
2218.72:529:34
2318.72:529:34
2418.72:529:34
2518.72:539:34
2618.72:539:34
2718.72:549:34
2818.72:549:33
2918.62:559:33
3018.62:569:33

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.62 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.62 kWh/m² in June across the year — June's 5.62 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in June

Is June a good time to visit Hamina?

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
1.8
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Hamina for sightseeing.

What to pack for Hamina in June

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

In June, Hamina sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Hamina 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 22 km away) is warmest in August at about 18°C and coldest in February near 0°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May6Bracing
Jun12Bracing
Jul17Cool
Aug18Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Hamina 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 Hamina peaks around June 21 at about 5 (high) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Hamina?

Hamina sits at 60.6°N, 27.2°E, 3 m above sea level, in Finland. The nearest listed city is Karhula, 16 km away.

LappeenrantaOrimattilaVyborgPorvoo

Topography around Hamina

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

Within 3 km, the terrain around Hamina has only modest variations in elevation — a maximum elevation change of 40 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, only modest variations in elevation — a maximum elevation change of 230 m.

The land around Hamina is covered by trees (49%) within 3 km, trees (56%) and water (27%) within 16 km, and water (46%) and trees (45%) within 80 km.

3 km
40 m
16 km
98 m
80 km
230 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Karhula 16 km · Kotka 18 km · Anjala 24 km · Kouvola 43 km · Lappeenranta 76 km · Orimattila 84 km · Vyborg 86 km · Porvoo 86 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 1%

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 Hamina (60.5697°, 27.1979°, elevation 3 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).