Kastamonu in Fall
In fall (September, October and November), Kastamonu sees average daytime highs around 17°C and overnight lows near 6°C, with 128 mm of precipitation over about 23 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 25°C in early September to 8°C by late November. The sky is clear or mostly clear about 43% of the time across fall, and the air most often feels dry.
Fall is Kastamonu's 2nd-best season to visit on our travel score. For the whole year in context, see Kastamonu's year-round climate.
- Avg daytime high
- 17°C
- 2nd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 128 mm
- 23 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Kastamonu in Fall
Over the season highs ease from about 25°C in early September to 8°C by late November.
A typical fall day in Kastamonu reaches about 17°C and drops to 6°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Kastamonu
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 21 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Kastamonu weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -4° | 51 | 11 | 9.4 | 9.4 | 0.0 |
| Feb | 5° / -3° | 52 | 10.9 | 8.8 | 10.3 | 0.2 |
| Mar | 9° / -1° | 65 | 12.2 | 7.4 | 11.7 | 1.7 |
| Apr | 14° / 3° | 64 | 13.2 | 2.4 | 13.1 | 3.9 |
| May | 19° / 7° | 72 | 13.6 | 0.1 | 14.3 | 5.7 |
| Jun | 23° / 11° | 58 | 11.8 | 0 | 14.9 | 6.8 |
| Jul | 26° / 13° | 30 | 6 | 0 | 14.7 | 7.8 |
| Aug | 27° / 14° | 24 | 5.7 | 0 | 13.7 | 7.8 |
| Sep | 23° / 10° | 33 | 6.9 | 0 | 12.3 | 7.6 |
| Oct | 18° / 6° | 51 | 8.6 | 0.6 | 10.9 | 5.9 |
| Nov | 11° / 1° | 44 | 7.9 | 3.4 | 9.7 | 2.8 |
| Dec | 5° / -2° | 59 | 10.6 | 7.7 | 9.1 | 0.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 43% of the time across fall.
Chance of precipitation in Fall
Kastamonu gets around 128 mm of rain and snow over 23 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Is fall a good time to visit Kastamonu?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Kastamonu for sightseeing.
What to pack for Kastamonu in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kastamonu sees daytime highs around 17°C and nights near 6°C. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 23 days see rain.
UV index in Kastamonu in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kastamonu peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 7 | 7 | 9 | 9 | 9 | 7 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Kastamonu in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Kastamonu is worst in April — around 41 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (December, 21 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Kastamonu's WHO annual average of 29.2 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 26 | 40 | 41 | 40 | 32 | 25 | 25 | 25 | 27 | 25 | 21 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 26 | Moderate |
| Mar | 40 | Poor |
| Apr | 41 | Poor |
| May | 40 | Poor |
| Jun | 32 | Moderate |
| Jul | 25 | Moderate |
| Aug | 25 | Moderate |
| Sep | 25 | Moderate |
| Oct | 27 | Moderate |
| Nov | 25 | Moderate |
| Dec | 21 | Moderate |
Where is Kastamonu?
Kastamonu sits at 41.4°N, 33.8°E, 786 m above sea level, in Turkey. The nearest listed city is Taşköprü, 39 km away.
Topography around Kastamonu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kastamonu.
Within 3 km, the terrain around Kastamonu has significant variations in elevation — a maximum elevation change of 317 m around an average of 884 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 791 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,562 m.
The land around Kastamonu is covered by trees (49%) and artificial surfaces (22%) within 3 km, trees (45%), cropland (32%) and grassland (20%) within 16 km, and trees (64%) and grassland (23%) within 80 km.
Turkey travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $18,599
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 488
- Religion
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 Kastamonu (41.3781°, 33.7753°, elevation 786 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.