Trbovlje weather in August

In August, Trbovlje sees average daytime highs of 24°C and overnight lows near 15°C, with 110 mm of rain across 12.8 wet days and about 14 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Trbovlje's 1st-clearest and 12th-windiest month. For the whole year in context, see Trbovlje's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
110 mm
12.8 wet days
Daylight
14 hours
5:04 AM – 7:03 PM
Cloud cover
52%
1st clearest
Wind
6 km/h
12th windiest
Solar energy
4.92 kWh/m²
Travel score
6.5
out of 10

Trbovlje is town in Slovenia.

Air quality
Good
PM10 22.2 µg/m³ · 2019
Density
262/km²
people per km²
Founded
1220

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical August day in Trbovlje reaches about 24°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42516
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192415
202415
212414
222414
232414
242414
252314
262314
272314
282313
292313
302213
312213

How August really feels in Trbovlje

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.

Trbovlje 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°437.44.68.80.0
Feb / -3°567.54.5100.3
Mar10° / 6510.23.511.62.3
Apr15° / 84120.913.34.1
May19° / 10°10213.9014.75.6
Jun23° / 13°11514.4015.56.1
Jul25° / 15°12014.2015.26.4
Aug24° / 15°11012.80146.5
Sep20° / 11°10911.8012.35.9
Oct14° / 969.30.410.74.3
Nov / 92102.39.21.4
Dec / -2°708.94.98.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46238
56238
66238
76238
86238
96238
106238
116238
126238
136238
146238
156238
166238
176238
186139
196139
206040
216040
225941
235941
245842
255743
265644
275545
285545
295446
305446
315347

Chance of precipitation in August

Any precipitation

Trbovlje gets around 110 mm of rain over 12.8 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 42% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
346
446
546
645
745
845
944
1044
1143
1243
1342
1441
1541
1640
1740
1839
1939
2038
2138
2238
2338
2438
2539
2639
2739
2840
2940
3041
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11635427
21635426
31636426
41637426
51637416
61638405
71739405
81739395
91740384
101841384
111841373
121942373
131942363
141943362
151944352
162044352
172044342
182045331
192145331
202245321
212345321
222445311
232544301
242744281
252943271
263143261
273342241
283641230
293840210
304139200
314338180

Wind in August

Winds average 6 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 42 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 4:46 AM to 5:24 AM, and sunset from 7:26 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:467:26
214.64:477:25
314.64:487:23
414.54:497:22
514.54:507:21
614.54:527:19
714.44:537:18
814.44:547:16
914.34:557:15
1014.34:577:13
1114.24:587:12
1214.24:597:10
1314.15:017:08
1414.15:027:07
1514.05:037:05
1614.05:047:03
1713.95:067:02
1813.95:077:00
1913.85:086:58
2013.85:096:56
2113.75:116:55
2213.75:126:53
2313.65:136:51
2413.65:156:49
2513.55:166:47
2613.55:176:46
2713.45:196:44
2813.45:206:42
2913.35:216:40
3013.35:226:38
3113.25:246:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.92 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 5.72 kWh/m² in June across the year — August's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.4Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Trbovlje?

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

6.5
Sightseeing
1st-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Trbovlje for sightseeing.

What to pack for Trbovlje in August

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

In August, Trbovlje sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Trbovlje in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trbovlje peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Trbovlje in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Trbovlje is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 917 µg/m³Sep 2012 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug13Moderate
Sep12Good
Oct12Good
Nov12Good
Dec14Moderate
Location & terrain

Where is Trbovlje?

Trbovlje sits at 46.2°N, 15.1°E, 409 m above sea level, in Slovenia. The nearest listed city is Celje, 18 km away.

CeljeVelenjeNovo MestoLjubljanaŽumberakKranjMariborSamobor

Topography around Trbovlje

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

Within 3 km, the terrain around Trbovlje has large variations in elevation — a maximum elevation change of 733 m around an average of 433 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,024 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,360 m.

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

3 km
733 m
16 km
1,024 m
80 km
2,360 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Celje 18 km · Velenje 23 km · Novo Mesto 40 km · Ljubljana 44 km · Žumberak 51 km · Kranj 54 km · Maribor 64 km · Samobor 65 km

Slovenia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2025
GDP per capita
$37,376
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Catholic 69%atheist 14%Orthodox 4%non-believer/agnostic 4%

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 Trbovlje (46.1541°, 15.0518°, elevation 409 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).