Bolu, Turkey Weather

Bolu,  Weather
(Photo by Emre on Unsplash)

Current conditions

Updated:
13°C
55.4°F
°C °F

Condition: Slight Rain

Pressure: 929 hPa

Feel like: 13 °C

Temperature: 13°C

Cloud: 100%

Humidity: 95%

Wind: W - 2 km/h

Visibility: 14.06 km

Weather forecast

Fri
18 Sep
13°C / 22°C
Overcast
Sat
19 Sep
11°C / 23°C
Overcast
Sun
20 Sep
9°C / 24°C
Fog
Mon
21 Sep
10°C / 16°C
Slight Rain
Tue
22 Sep
6°C / 13°C
Fog
Hourly forecast today:
21:00 PM
12° / 13°
12° / 13°
Slight Rain
95% 6 km/h
22:00 PM
12° / 13°
12° / 13°
Slight Rain
95% 6 km/h
23:00 PM
12° / 13°
12° / 13°
Slight Rain
95% 6 km/h
00:00 AM
12° / 12°
12° / 12°
Overcast
95% 6 km/h
01:00 AM
12° / 12°
12° / 12°
Overcast
95% 7 km/h
02:00 AM
11° / 13°
11° / 13°
Overcast
93% 6 km/h
03:00 AM
11° / 13°
11° / 13°
Overcast
93% 7 km/h
04:00 AM
12° / 13°
12° / 13°
Overcast
94% 3 km/h
05:00 AM
12° / 14°
12° / 14°
Overcast
93% 3 km/h
06:00 AM
13° / 14°
13° / 14°
Overcast
93% 7 km/h
07:00 AM
14° / 15°
14° / 15°
Overcast
92% 9 km/h

30 Day Averages and Extremes

  • Average high 22.37°C
  • Average low 10.73°C
  • Hottest day 29°C (11 September 2026)
  • Coldest day 0°C (01 October 2026)
  • Average humidity 71.07%
  • Days with precipitation 16 days
  • Highest precipitation 30 mm (22 September 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 12°C
  • Total Precipitation: 1 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 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Cotton socks
- Sun hat (if spending time outdoors)
- Scarf (optional)
- Light jacket (for cooler periods)

Temperature

Early
12°C / 12°C
Morning
13°C / 15°C
Afternoon
13°C / 15°C
Evening
12°C / 13°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 188
  • NH3 26
  • NO2 22
  • O3 33
  • PM10 15
  • PM25 10
  • SO2 3
  • CH4 1,468

Sunrise / Sunset

03:36
15:57