Hollola weather in August

In August, Hollola sees average daytime highs of 20°C and overnight lows near 11°C, with 68 mm of rain across 12.1 wet days and about 15.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 15% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 54 min at the start of August to 14 h 06 min by month's end. Set against the rest of the year, August is Hollola's 5th-clearest and 11th-windiest month. For the whole year in context, see Hollola's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
68 mm
12.1 wet days
Daylight
15 h 30 min
4:36 AM – 8:08 PM
Cloud cover
69%
5th clearest
Wind
10 km/h
11th windiest
Solar energy
3.8 kWh/m²
Travel score
5.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical August day in Hollola reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52113
62112
72112
82112
92112
102112
112112
122112
132012
142012
152012
162011
172011
182011
192011
201911
211911
221911
231911
241911
251910
261810
271810
281810
291810
301810
311710

How August really feels in Hollola

Once humidity and wind are folded in, August 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

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

Hollola weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -8°4110.210.76.10.0
Feb-3° / -9°338.28.58.50.0
Mar / -6°338.48.211.30.0
Apr / -1°348.83.414.21.4
May15° / 489.90.2174.5
Jun19° / 10°7512.6018.75.5
Jul21° / 13°7712.70186.1
Aug20° / 11°6812.1015.55.8
Sep14° / 5210012.64.0
Oct / 5710.91.79.71.0
Nov / -1°5010.95.46.90.0
Dec-1° / -5°4711.29.65.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43565
53565
63565
73466
83367
93367
103367
113367
123367
133466
143466
153466
163466
173367
183367
193367
203268
213268
223169
233169
243169
253169
262971
272872
282872
292872
302872
312773

Chance of precipitation in August

Any precipitation

Hollola gets around 68 mm of rain over 12.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
338
438
538
639
739
839
940
1040
1140
1241
1341
1441
1541
1641
1741
1841
1941
2040
2140
2240
2339
2439
2538
2638
2737
2837
2936
3036
3136

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15533111
25633101
3573391
4573391
5593281
6603271
7613261
8613261
9633151
10633151
11643141
12653041
13653041
14672940
15682930
16692830
17692830
18692830
19712720
20712720
21712720
22712720
23722620
24742510
25742510
26752410
27762310
28772210
29782110
30792010
31801910

Wind in August

Winds average 10 km/h in August.

Across August, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 54 min at the start of August to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 168 minutes over August. Sunrise moves from 3:58 AM to 5:15 AM, and sunset from 8:50 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.93:588:50
216.84:018:47
316.74:038:45
416.64:068:42
516.54:088:39
616.44:118:37
716.34:138:34
816.34:168:31
916.24:188:28
1016.14:218:25
1116.04:248:22
1215.94:268:20
1315.84:298:17
1415.74:318:14
1515.64:348:11
1615.54:368:08
1715.44:398:05
1815.34:428:02
1915.24:447:59
2015.24:477:56
2115.14:497:53
2215.04:527:50
2314.94:547:46
2414.84:577:43
2514.75:007:40
2614.65:027:37
2714.55:057:34
2814.45:077:31
2914.35:107:28
3014.25:127:24
3114.15:157:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.8 kWh/m².

For context, solar energy here swings from a low near 0.12 kWh/m² to a high of 5.3 kWh/m² in June across the year — August's 3.8 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.0Bright
134.0Moderate
143.9Moderate
153.9Moderate
163.8Moderate
173.8Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.0Moderate
313.0Moderate
Planning a trip in August

Is August a good time to visit Hollola?

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

5.8
Sightseeing
2nd-best month of the year
2.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Hollola for sightseeing.

What to pack for Hollola in August

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

In August, Hollola sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Hollola in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Hollola peaks around June 19 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 19UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Hollola?

Hollola sits at 61.0°N, 25.5°E, 140 m above sea level, in Finland. The nearest listed city is Lahti, 9.0 km away.

Topography around Hollola

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

Within 3 km, the terrain around Hollola has only modest variations in elevation — a maximum elevation change of 142 m around an average of 145 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, only modest variations in elevation — a maximum elevation change of 226 m.

The land around Hollola is covered by trees (74%) within 3 km, trees (61%) within 16 km, and trees (70%) within 80 km.

3 km
142 m
16 km
159 m
80 km
226 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Lahti 9.0 km · Orimattila 25 km · Heinola 37 km · Mäntsälä 42 km · Riihimäki 49 km · Janakkala 50 km · Hyvinge 53 km · Hämeenlinna 56 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 Hollola (61°, 25.5°, elevation 140 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).