Petrich weather in January

In January, Petrich sees average daytime highs of 6°C and overnight lows near -2°C, with 58 mm of precipitation across 8.1 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 39% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Petrich's 6th-clearest and 4th-windiest month. For the whole year in context, see Petrich's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
1st coldest
Precipitation
58 mm
8.1 wet days
Daylight
9 h 18 min
7:57 AM – 5:16 PM
Cloud cover
53%
6th clearest
Wind
5 km/h
4th windiest
Solar energy
2.06 kWh/m²
Travel score
0.4
out of 10

Petrich is city in Petrich municipality, Blagoevgrad oblast, Bulgaria.

Density
382/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 6°C through the month.

A typical January day in Petrich reaches about 6°C in the afternoon and slips back to -2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 11°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
16-2
26-2
36-2
46-2
56-2
66-2
76-2
86-2
96-2
106-2
116-2
126-2
136-2
146-2
156-2
166-2
176-2
186-2
196-2
206-2
216-2
226-2
236-2
246-2
256-2
266-2
276-2
286-2
296-2
306-2
316-2

How January really feels in Petrich

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Petrich weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°588.14.29.40.4
Feb / -1°599.24.210.31.3
Mar12° / 7410.82.911.73.1
Apr16° / 6911.90.513.14.9
May21° / 10°7812.50.114.36.2
Jun26° / 14°5310.6014.96.9
Jul28° / 16°407.8014.76.8
Aug28° / 16°336.8013.76.8
Sep24° / 13°407012.37.7
Oct18° / 637.40.210.96.3
Nov12° / 6881.19.73.3
Dec / -1°789.53.19.10.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45545
55545
65644
75644
85644
95545
105644
115644
125545
135545
145545
155545
165446
175347
185347
195248
205149
215149
225149
235050
245050
255050
265050
274951
284951
294951
305050
315050

Chance of precipitation in January

Any precipitationSnow

Petrich gets around 58 mm of rain and snow over 8.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 31% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12612
22511
32411
42411
52311
62311
72211
82211
92211
102111
112111
122211
132211
142312
152412
162513
172613
182714
192814
202915
212915
223016
233016
243116
253116
263116
273116
283116
293116
303116
313016

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:59 AM to 7:47 AM, and sunset from 5:02 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:595:02
29.17:595:03
39.17:595:04
49.17:595:04
59.17:595:05
69.17:595:06
79.17:595:07
89.27:595:08
99.27:595:09
109.27:595:10
119.27:585:11
129.27:585:12
139.37:585:13
149.37:585:14
159.37:575:15
169.37:575:16
179.37:565:17
189.47:565:18
199.47:565:19
209.47:555:20
219.57:555:22
229.57:545:23
239.57:535:24
249.57:535:25
259.67:525:26
269.67:515:27
279.67:515:29
289.77:505:30
299.77:495:31
309.77:485:32
319.87:475:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.06 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 6.59 kWh/m² in June across the year — January's 2.06 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
102.0Dim
112.0Dim
122.0Moderate
132.0Moderate
142.0Moderate
152.0Moderate
162.0Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in January

Is January a good time to visit Petrich?

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

0.4
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Petrich.

What to pack for Petrich in January

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

In January, Petrich sees daytime highs around 6°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Petrich in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Petrich peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May6High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Petrich in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Petrich is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2215 µg/m³Dec 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug13Moderate
Sep11Good
Oct10Good
Nov11Good
Dec9Good
Location & terrain

Where is Petrich?

Petrich sits at 41.4°N, 23.2°E, 185 m above sea level, in Bulgaria. The nearest listed city is Sandanski, 20 km away.

SérresStrumicaGotse DelchevKilkísBanskoGevgelijaRadovis

Topography around Petrich

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

Within 3 km, the terrain around Petrich has large variations in elevation — a maximum elevation change of 684 m around an average of 234 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,986 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,873 m.

The land around Petrich is covered by trees (40%) and cropland (31%) within 3 km, trees (58%) and grassland (25%) within 16 km, and trees (57%) and cropland (20%) within 80 km.

3 km
684 m
16 km
1,986 m
80 km
2,873 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Sandanski 20 km · Sérres 45 km · Strumica 47 km · Gotse Delchev 48 km · Kilkís 53 km · Bansko 54 km · Gevgelija 65 km · Radovis 67 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Petrich (41.3985°, 23.207°, elevation 185 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).