Heinola weather in July

In July, Heinola sees average daytime highs of 21°C and overnight lows near 13°C, with 76 mm of rain across 12.2 wet days and about 18 hours of daylight. It is the 1st-warmest and 1st-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 19% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 48 min at the start of July to 17 hours by month's end. Set against the rest of the year, July is Heinola's 2nd-clearest and 12th-windiest month. For the whole year in context, see Heinola's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
76 mm
12.2 wet days
Daylight
18 h 06 min
3:18 AM – 9:25 PM
Cloud cover
65%
2nd clearest
Wind
10 km/h
12th windiest
Solar energy
4.95 kWh/m²
Travel score
6.0
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 Heinola reaches about 21°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°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)
11912
21912
32012
42013
52013
62013
72013
82013
92013
102013
112013
122113
132113
142113
152113
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

How July really feels in Heinola

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.

Heinola weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -8°3910.210.860.0
Feb-4° / -9°328.18.98.50.0
Mar / -6°318.48.111.30.0
Apr / -1°348.63.614.31.0
May14° / 469.50.2173.9
Jun18° / 10°7312.1018.85.3
Jul21° / 13°7612.20186.0
Aug19° / 12°7012.2015.55.7
Sep14° / 5110.2012.63.9
Oct / 57111.69.60.9
Nov / -1°4810.55.56.90.0
Dec-2° / -5°4611.49.85.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
24060
34060
44060
54060
64060
74060
83961
93961
103961
113961
123961
133961
143961
153862
163862
173862
183862
193961
203961
213862
223862
233961
243961
253961
263961
273961
283961
293961
303961
313961

Chance of precipitation in July

Any precipitation

Heinola gets around 76 mm of rain over 12.2 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
242
342
442
541
641
741
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1839
1939
2039
2139
2239
2339
2438
2538
2638
2738
2838
2938
3038
3138

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1761851
2751951
3732061
4712261
5702361
6682471
7662671
8652771
9632881
10613081
11603181
12583291
13573391
145534101
155534101
165435101
175236111
185036122
195036122
204936132
214836142
224836142
234736152
244736162
254636162
264636162
274636162
284637162
294637161
304637151
314737151

Wind in July

Winds average 10 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 18 h 48 min at the start of July to 17 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over July. Sunrise moves from 2:54 AM to 3:52 AM, and sunset from 9:44 PM to 8:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.82:549:44
218.82:559:43
318.82:579:43
418.72:589:42
518.72:599:41
618.73:009:40
718.63:029:39
818.63:039:37
918.53:059:36
1018.53:079:35
1118.43:089:33
1218.43:109:32
1318.33:129:30
1418.23:149:29
1518.23:169:27
1618.13:189:25
1718.13:209:23
1818.03:229:21
1917.93:249:19
2017.93:269:17
2117.83:289:15
2217.73:319:13
2317.63:339:11
2417.63:359:09
2517.53:389:06
2617.43:409:04
2717.33:429:02
2817.23:458:59
2917.23:478:57
3017.13:508:54
3117.03:528:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.95 kWh/m².

For context, solar energy here swings from a low near 0.11 kWh/m² to a high of 5.25 kWh/m² in June across the year — July's 4.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Heinola?

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

6.0
Sightseeing
1st-best month of the year
3.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Heinola for sightseeing.

What to pack for Heinola in July

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

In July, Heinola sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Heinola 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 Heinola peaks around June 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 20UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Heinola?

Heinola sits at 61.2°N, 26.0°E, 104 m above sea level, in Finland. The nearest listed city is Lahti, 32 km away.

AnjalaMäntsäläJanakkalaMikkeli

Topography around Heinola

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

Within 3 km, the terrain around Heinola has only modest variations in elevation — a maximum elevation change of 96 m around an average of 98 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, only modest variations in elevation — a maximum elevation change of 247 m.

The land around Heinola is covered by trees (65%) within 3 km, trees (71%) and water (20%) within 16 km, and trees (72%) within 80 km.

3 km
96 m
16 km
102 m
80 km
247 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Lahti 32 km · Hollola 37 km · Orimattila 48 km · Kouvola 52 km · Anjala 72 km · Mäntsälä 75 km · Janakkala 85 km · Mikkeli 85 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 Heinola (61.2056°, 26.0381°, elevation 104 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. 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).