Boyabat climate — normals and trends
Boyabat (Republic of Türkiye) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 591 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (20.4 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in May.
Boyabat averages 92 frost days, 13 hot days (≥ 30 °C) and 119 rainy days per year.
Boyabat has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 72 per year over the period.
The hottest day of the period reached 40.0 °C (on 30 July 2000) and the coldest -26.9 °C (on 6 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
BoyabatSinop
- coords
- 41.47°, 34.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
15.6°C
Average daily low
5.5°C
Annual rainfall
591mm
Sunshine / day
9.3h
Mean relative humidity
73%
Average peak wind
10.0km/h
Seasonal range
20.8°C
Frost days (< 0 °C)
92 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
104.9 cm
Average feels-like high
14.1 °C
Average feels-like low
3.5 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.53 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.0 °C
30 July 2000
Coldest day
-26.9 °C
6 January 1942
Wettest day
54 mm
11 December 2010
Windiest day
31.6 km/h
9 October 2003
Strongest gust
92.9 km/h
9 October 2003
Hottest feels-like
43.0 °C
30 July 2000
Coldest feels-like
-32.1 °C
6 January 1942
Snowiest day
37.5 cm
11 December 2010
Sunniest day
14.7 h
14 June 1942
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.3 °C | +4.8 °C | 39 mm | -11 mm |
| Feb | 3.4 °C | -2.0 °C | 75 mm | +27 mm |
| Mar | 15.7 °C | +6.6 °C | 31 mm | -31 mm |
| Apr | 13.7 °C | -1.3 °C | 86 mm | +14 mm |
| May | 21.0 °C | +1.6 °C | 63 mm | -12 mm |
| Jun | 25.7 °C | +2.4 °C | 10 mm | -42 mm |
| Jul | 30.5 °C | +4.2 °C | 5 mm | -19 mm |
| Aug | 28.7 °C | +2.0 °C | 11 mm | -13 mm |
| Sep | 23.0 °C | 0.0 °C | 39 mm | +5 mm |
| Oct | 18.2 °C | +0.5 °C | 61 mm | +13 mm |
| Nov | 16.1 °C | +4.4 °C | 18 mm | -29 mm |
| Dec | 7.7 °C | +1.9 °C | 61 mm | +4 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Boyabat?
Boyabat has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 591 mm of precipitation per year.
What is the hottest day ever recorded in Boyabat?
The hottest day measured in Boyabat between 1940 and 2025 was 30 July 2000, reaching 40.0 °C.
What is the coldest day in Boyabat?
The coldest day measured in Boyabat between 1940 and 2025 was 6 January 1942, at -26.9 °C.
Does it snow in Boyabat?
Yes. Boyabat gets on average 104.9 cm of snow per year and has around 92 frost days.
Has the climate of Boyabat warmed?
Yes: Boyabat warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Boyabat?
The wettest day measured in Boyabat between 1940 and 2025 was 11 December 2010, with 54 mm of rain in 24 hours.
What was the windiest day in Boyabat?
The windiest day measured in Boyabat between 1940 and 2025 was 9 October 2003, with winds reaching 31.6 km/h.
What is the warmest month in Boyabat?
The warmest month in Boyabat is July (20.4 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Boyabat?
Boyabat receives on average 591 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Boyabat?
Boyabat gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Boyabat?
The heaviest 24-hour snowfall measured in Boyabat between 1940 and 2025 was 11 December 2010, with 37.5 cm.
Are there tropical nights in Boyabat?
Yes: Boyabat has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Boyabat?
In Boyabat, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 30 July 2000, and the lowest was -32.1 °C on 6 January 1942.
Compare Boyabat with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Boyabat