Lohja weather in July

In July, Lohja sees average daytime highs of 21°C and overnight lows near 13°C, with 70 mm of rain across 10.9 wet days and about 17.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 30 min at the start of July to 16 h 48 min by month's end. Set against the rest of the year, July is Lohja's 2nd-clearest and 12th-windiest month. For the whole year in context, see Lohja's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
70 mm
10.9 wet days
Daylight
17 h 48 min
3:35 AM – 9:24 PM
Cloud cover
59%
2nd clearest
Wind
12 km/h
12th windiest
Solar energy
5.44 kWh/m²
Travel score
6.4
out of 10
Air quality
Good
PM2.5 5.2 µg/m³ · 2019

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

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 22°C by the end.

A typical July day in Lohja reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72013
82113
92113
102113
112113
122113
132113
142113
152113
162113
172113
182113
192113
202113
212114
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

How July really feels in Lohja

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.

Lohja weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°52119.76.30.0
Feb-2° / -7°428.98.78.60.0
Mar / -5°388.26.711.30.0
Apr / -0°358.52.414.21.2
May14° / 429.10.116.84.1
Jun18° / 10°6511018.45.6
Jul21° / 13°7010.9017.86.4
Aug20° / 12°7311.8015.45.9
Sep15° / 5510012.64.3
Oct / 6110.60.69.71.5
Nov / 5911.64.87.10.0
Dec / -3°5812.385.60.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44753
54753
64753
74852
84951
94951
104951
114951
124951
134951
144951
154951
164951
174852
184852
194852
204852
214852
224852
234753
244852
254753
264753
274753
284852
294753
304753
314852

Chance of precipitation in July

Any precipitation

Lohja gets around 70 mm of rain over 10.9 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
436
536
636
736
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2135
2234
2334
2434
2534
2634
2734
2834
2934
3034
3134

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1762040
2742150
3722350
4702550
5692650
6652861
7642961
8623161
9613261
10603361
11583471
12573571
13563671
14533782
15533782
16523882
17513892
184939103
194839103
204739113
214639113
224539124
234439134
244439134
254339144
264339144
274339144
284239154
294239154
304239154
314339154

Wind in July

Winds average 12 km/h in July, the calmest month.

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

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 18 h 30 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 102 minutes over July. Sunrise moves from 3:13 AM to 4:07 AM, and sunset from 9:41 PM to 8:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.53:139:41
218.43:149:41
318.43:159:40
418.43:169:39
518.43:179:38
618.33:189:37
718.33:209:36
818.23:219:35
918.23:239:34
1018.13:249:33
1118.13:269:32
1218.03:279:30
1318.03:299:29
1417.93:319:27
1517.93:339:26
1617.83:359:24
1717.83:369:22
1817.73:389:21
1917.63:409:19
2017.63:429:17
2117.53:449:15
2217.43:479:13
2317.43:499:11
2417.33:519:09
2517.23:539:07
2617.23:559:05
2717.13:589:02
2817.04:009:00
2916.94:028:58
3016.84:048:55
3116.84:078:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.44 kWh/m².

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.68 kWh/m² in June across the year — July's 5.44 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
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Lohja?

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
3.8
Beach & pool
1st-best month of the year

July is a reasonable time to visit Lohja for sightseeing.

What to pack for Lohja in July

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

In July, Lohja sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Lohja in July

The nearest coast averages about 16°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 34 km away) is warmest in August at about 17°C and coldest in March near 1°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
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May6Bracing
Jun11Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Lohja 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 Lohja peaks around June 17 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 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateModerateLowJun 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Lohja?

Lohja sits at 60.2°N, 24.1°E, 82 m above sea level, in Finland. The nearest listed city is Vihti, 23 km away.

Topography around Lohja

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

Within 3 km, the terrain around Lohja has only modest variations in elevation — a maximum elevation change of 85 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, only modest variations in elevation — a maximum elevation change of 194 m.

The land around Lohja is covered by trees (53%) and water (21%) within 3 km, trees (63%) within 16 km, and trees (49%) and water (35%) within 80 km.

3 km
85 m
16 km
127 m
80 km
194 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Vihti 23 km · Kirkkonummi 25 km · Espoo 33 km · Espoonlahti 34 km · Olari 38 km · Matinkylä 39 km · Klaukkala 41 km · Leppävaara 41 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 Lohja (60.2486°, 24.0653°, elevation 82 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).