Bacău weather in October

In October, Bacău sees average daytime highs of 15°C and overnight lows near 6°C, with 44 mm of precipitation across 6 wet days and about 10.7 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 13°C by the end. The sky is clear or mostly clear about 33% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 54 min by month's end. Set against the rest of the year, October is Bacău's 5th-clearest and 8th-windiest month. For the whole year in context, see Bacău's year-round climate.

Daytime high
15°
7th warmest
Overnight low
7th coldest
Precipitation
44 mm
6 wet days
Daylight
10 h 36 min
6:38 AM – 5:17 PM
Cloud cover
58%
5th clearest
Wind
9 km/h
8th windiest
Solar energy
2.42 kWh/m²
Travel score
5.2
out of 10

Bacău is locality in Bacău County, Romania.

Air quality
Moderate
PM2.5 12.9 µg/m³ · 2010

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 13°C by the end.

A typical October day in Bacău reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 22°C. Set against its neighbours, October runs about 6°C cooler than September and about 7°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3189
4188
5188
6188
7188
8178
9177
10177
11177
12167
13167
14166
15166
16156
17156
18156
19156
20145
21145
22145
23145
24145
25135
26134
27134
28134
29134
30124
31124

How October really feels in Bacău

Once humidity and wind are folded in, October 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

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

Bacău weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°305.85.48.80.0
Feb / -4°286.34.6100.1
Mar / 398.12.711.62.0
Apr16° / 4890.413.35.0
May22° / 11°6410.1014.86.6
Jun25° / 15°8110.3015.66.8
Jul27° / 16°708.7015.26.8
Aug27° / 16°446.30147.2
Sep22° / 11°466.4012.47.3
Oct15° / 4460.110.75.2
Nov / 355.729.21.6
Dec / -4°366.74.48.40.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34852
44852
54753
64852
74852
84852
94753
104753
114753
124753
134753
144753
154753
164654
174654
184555
194555
204555
214555
224555
234555
244555
254555
264555
274456
284456
294456
304456
314456

Chance of precipitation in October

Any precipitationSnow

Bacău gets around 44 mm of rain and snow over 6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 23% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1190
2190
3190
4190
5200
6200
7200
8210
9210
10220
11220
12220
13220
14230
15230
16220
17220
18220
19210
20210
21200
22200
23190
24181
25181
26171
27171
28161
29161
30152
31152

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
185123
286122
386122
486122
587112
688111
789101
889101
99091
109181
119280
129370
139460
149460
159550
169640
179640
189730
199730
209820
219820
229910
239910
249910
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 6:17 AM to 7:00 AM, and sunset from 5:46 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:175:46
211.46:185:44
311.46:205:42
411.36:215:40
511.36:235:38
611.26:245:36
711.16:255:34
811.16:275:32
911.06:285:30
1011.06:305:28
1110.96:315:26
1210.96:325:24
1310.86:345:22
1410.86:355:20
1510.76:375:18
1610.66:385:17
1710.66:405:15
1810.56:415:13
1910.56:425:11
2010.46:445:10
2110.46:455:08
2210.36:475:06
2310.36:485:04
2410.26:505:03
2510.26:515:01
2610.16:534:59
2710.16:544:58
2810.06:564:56
2910.06:574:55
309.96:594:53
319.97:004:52

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.42 kWh/m².

For context, solar energy here swings from a low near 1.09 kWh/m² to a high of 5.86 kWh/m² in June across the year — October's 2.42 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
32.9Moderate
42.9Moderate
52.8Moderate
62.8Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.6Moderate
112.6Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.0Moderate
282.0Moderate
292.0Dim
301.9Dim
311.9Dim
Planning a trip in October

Is October a good time to visit Bacău?

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

5.2
Sightseeing
6th-best month of the year
0.9
Beach & pool
7th-best month of the year

October is a reasonable time to visit Bacău for sightseeing.

What to pack for Bacău in October

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

In October, Bacău sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Bacău in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bacău peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 17UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Bacău in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bacău is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bacău's WHO annual average of 12.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1516 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar16Moderate
Apr14Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov11Good
Dec9Good
Location & terrain

Where is Bacău?

Bacău sits at 46.6°N, 26.9°E, 165 m above sea level, in Romania. The nearest listed city is Buhuşi, 23 km away.

AdjudPiatra NeamţVasluiBârlad

Topography around Bacău

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

Within 3 km, the terrain around Bacău has only modest variations in elevation — a maximum elevation change of 82 m around an average of 167 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,614 m.

The land around Bacău is covered by artificial surfaces (43%) within 3 km, trees (38%), cropland (33%) and grassland (21%) within 16 km, and trees (45%), cropland (32%) and grassland (21%) within 80 km.

3 km
82 m
16 km
591 m
80 km
1,614 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Buhuşi 23 km · Moineşti 34 km · Roman 39 km · Comăneşti 40 km · Adjud 56 km · Piatra Neamţ 59 km · Vaslui 63 km · Bârlad 69 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Bacău (46.5672°, 26.9138°, elevation 165 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).