Karhula weather in July

In July, Karhula sees average daytime highs of 21°C and overnight lows near 14°C, with 58 mm of rain across 10.1 wet days and about 17.8 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 21°C by the end. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 36 min at the start of July to 16 h 48 min by month's end. Set against the rest of the year, July is Karhula's 2nd-clearest and 12th-windiest month. For the whole year in context, see Karhula's year-round climate.

Daytime high
21°
1st warmest
Overnight low
14°
12th coldest
Rainfall
58 mm
10.1 wet days
Daylight
17 h 54 min
3:21 AM – 9:15 PM
Cloud cover
60%
2nd clearest
Wind
13 km/h
12th windiest
Solar energy
5.38 kWh/m²
Travel score
6.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 21°C by the end.

A typical July day in Karhula reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11913
21913
32013
42013
52013
62013
72013
82014
92014
102014
112114
122114
132114
142114
152114
162114
172114
182114
192114
202114
212114
222115
232115
242115
252115
262115
272115
282115
292115
302115
312114

How July really feels in Karhula

Once humidity and wind are folded in, July 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

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

Karhula weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4710.910.96.30.0
Feb-3° / -8°429.29.28.60.0
Mar / -5°3797.211.30.0
Apr / 358.82.614.20.9
May13° / 439.50.116.93.7
Jun17° / 10°6411.1018.55.3
Jul21° / 14°5810.1017.86.4
Aug20° / 13°6611.6015.45.9
Sep15° / 5810.2012.64.2
Oct / 6411.619.71.3
Nov / -0°61125.170.0
Dec-0° / -4°5912.395.50.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34753
44753
54852
64852
74951
84951
94951
104951
114852
124852
134852
144852
154753
164753
174852
184852
194753
204753
214753
224753
234852
244852
254852
264852
274852
284951
294852
304852
314852

Chance of precipitation in July

Any precipitation

Karhula gets around 58 mm of rain over 10.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
535
634
734
834
934
1034
1134
1234
1334
1433
1533
1633
1733
1833
1933
2032
2132
2232
2331
2431
2531
2631
2731
2831
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1702550
2682660
3662860
4652960
5623071
6603271
7593371
8583471
9573481
10563581
11543691
12543691
135237101
145137102
154938112
164838122
174739122
184539132
194439133
204339143
214340153
224240154
234140154
244140164
254040164
264040164
274040164
284040164
294040164
304040154
314140154

Wind in July

Winds average 13 km/h in July, the calmest month.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 18 h 36 min at the start of July to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over July. Sunrise moves from 2:59 AM to 3:53 AM, and sunset from 9:33 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.62:599:33
218.53:009:32
318.53:019:31
418.53:029:31
518.43:039:30
618.43:049:29
718.43:069:28
818.33:079:27
918.33:099:25
1018.23:109:24
1118.23:129:23
1218.13:139:21
1318.13:159:20
1418.03:179:18
1518.03:199:17
1617.93:219:15
1717.83:239:13
1817.83:259:12
1917.73:279:10
2017.73:299:08
2117.63:319:06
2217.53:339:04
2317.43:359:02
2417.43:379:00
2517.33:408:57
2617.23:428:55
2717.13:448:53
2817.13:468:51
2917.03:498:48
3016.93:518:46
3116.83:538:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.38 kWh/m².

For context, solar energy here swings from a low near 0.14 kWh/m² to a high of 5.61 kWh/m² in June across the year — July's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Karhula?

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

6.4
Sightseeing
1st-best month of the year
3.7
Beach & pool
1st-best month of the year

July is a reasonable time to visit Karhula for sightseeing.

What to pack for Karhula in July

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

In July, Karhula sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Karhula in July

The nearest coast averages about 17°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 17°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
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Karhula in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Karhula peaks around June 20 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 20UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Karhula?

Karhula sits at 60.5°N, 26.9°E, 4 m above sea level, in Finland. The nearest listed city is Kotka, 6.0 km away.

OrimattilaLahtiMäntsälä

Topography around Karhula

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

Within 3 km, the terrain around Karhula has only modest variations in elevation — a maximum elevation change of 54 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, only modest variations in elevation — a maximum elevation change of 178 m.

The land around Karhula is covered by trees (60%) within 3 km, trees (49%) and water (33%) within 16 km, and water (47%) and trees (44%) within 80 km.

3 km
54 m
16 km
90 m
80 km
178 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Kotka 6.0 km · Hamina 16 km · Anjala 19 km · Kouvola 40 km · Porvoo 71 km · Orimattila 73 km · Lahti 86 km · Mäntsälä 89 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 Karhula (60.5216°, 26.9312°, elevation 4 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).