Bolu, Turkey Weather

Bolu,  Weather
(Photo by Emre on Unsplash)

Current conditions

Updated:
11°C
51.8°F
°C °F

Condition: Mainly Clear

Pressure: 930 hPa

Feel like: 10 °C

Temperature: 11°C

Cloud: 25%

Humidity: 93%

Wind: NW - 6 km/h

Visibility: 18.56 km

Weather forecast

Wed
23 Sep
5°C / 17°C
Partly Cloudy
Thu
24 Sep
5°C / 20°C
Fog
Fri
25 Sep
7°C / 18°C
Fog
Sat
26 Sep
6°C / 20°C
Fog
Sun
27 Sep
9°C / 20°C
Fog
Hourly forecast today:
00:00 AM
9° / 11°
9° / 11°
Mainly Clear
93% 12 km/h
01:00 AM
9° / 10°
9° / 10°
Mainly Clear
94% 12 km/h
02:00 AM
8° /
8° /
Clear Sky
88% 10 km/h
03:00 AM
6° /
6° /
Clear Sky
81% 9 km/h
04:00 AM
6° /
6° /
Mainly Clear
82% 9 km/h
05:00 AM
7° / 11°
7° / 11°
Mainly Clear
78% 9 km/h
06:00 AM
8° / 14°
8° / 14°
Overcast
65% 7 km/h
07:00 AM
10° / 17°
10° / 17°
Partly Cloudy
63% 6 km/h
08:00 AM
11° / 18°
11° / 18°
Overcast
62% 10 km/h
09:00 AM
9° / 19°
9° / 19°
Overcast
52% 12 km/h
10:00 AM
9° / 21°
9° / 21°
Overcast
49% 15 km/h

30 Day Averages and Extremes

  • Average high 21.03°C
  • Average low 9.2°C
  • Hottest day 29°C (11 September 2026)
  • Coldest day 0°C (05 October 2026)
  • Average humidity 71.0%
  • Days with precipitation 16 days
  • Highest precipitation 59 mm (22 September 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 9°C
  • Total Precipitation: 4 mm

Temperature and possibility of rain in Bolu over the next 12 hours

Temperature and possibility of rain in Bolu in the coming days

Rainfall in Bolu in the coming days

Bolu Climate Summary

Bolu features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.99ºC (53.58ºF), which is about -2.97% lower than the national average for Turkey. Annually, the city experiences approximately 103.14 millimeters (4.06 inches) of rainfall, spread across 162.27 rainy days, accounting for 44.46% of the year.

Longitude 40.732541
Latitude 31.608209
Yearly high temperature 15.86ºC (60.55ºF)
Yearly low temperature 4.64ºC (40.35ºF)
Hottest month July 26.86ºC (80.35ºF)
Coldest month February -2.84ºC (26.89ºF)
Yearly precip 103.14mm (4.06in)
Days with rainfall 162.27 days (44.46%)
Driest month July (66.35%)
Wettest month June (70.73%)

Weather averages by month

Month High / Low (°C) Rain
January 2.42° / -5.34° 16.82 days
February 5.53° / -2.84° 14.73 days
March 9.98° / -0.31° 15.73 days
April 15.33° / 3.22° 14.27 days
May 20.01° / 6.72° 19.36 days
June 23.59° / 10.07° 18.82 days
July 26.86° / 12.76° 10.18 days
August 27.44° / 13.44° 10.36 days
September 23.97° / 10.85° 9.55 days
October 17.53° / 6.73° 11.36 days
November 12.13° / 2.64° 7.27 days
December 5.55° / -2.28° 13.82 days

Frequently asked questions

1. What is the hottest month in Bolu?

July has the highest average monthly temperature (daily mean of 26.86ºC) and February are the coolest (daily mean of -2.84ºC).

2. What should I wear in Bolu today?

For today's mild weather in Bolu, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Sun hat (if spending time outdoors)
- Lightweight sweater or cardigan
- Cotton socks
- Comfortable jeans or slacks

Temperature

Early
6°C / 9°C
Morning
9°C / 19°C
Afternoon
13°C / 15°C
Evening
12°C / 13°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 457
  • CO 151
  • NH3 65
  • NO2 25
  • O3 33
  • PM10 37
  • PM25 29
  • SO2 4
  • CH4 1,459

Sunrise / Sunset

03:41
15:49