Kastamonu weather in April

In April, Kastamonu sees average daytime highs of 14°C and overnight lows near 3°C, with 64 mm of precipitation across 13.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 16°C by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Kastamonu's 8th-clearest and 3rd-windiest month. For the whole year in context, see Kastamonu's year-round climate.

Daytime high: 14°; 7th warmest
Overnight low: 3°; 6th coldest
Precipitation: 64 mm; 13.2 wet days
Daylight: 13 h 06 min; 5:12 AM – 6:18 PM
Cloud cover: 60%; 8th clearest
Wind: 7 km/h; 3rd windiest
Solar energy: 5.04 kWh/m²
Travel score: 3.9; out of 10

Kastamonu is central district and city in Kastamonu Province, Turkey.

Air quality: High; PM2.5 29.2 µg/m³ · 2019
Density: 85/km²; people per km²

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

← March Kastamonu year-round climate May →Best places to visit in April

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 16°C by the end.

A typical April day in Kastamonu reaches about 14°C in the afternoon and slips back to 3°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 21°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	12	12	12	13	13	13	13	13	14	14	14	14	14	14	14	14	15	15	15	15	15	15	15	15	16	16	16	16	16	16
Avg low (°C)	1	1	1	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	5	5	5

	Avg high (°C)	Avg low (°C)
1	12	1
2	12	1
3	12	1
4	13	2
5	13	2
6	13	2
7	13	2
8	13	2
9	14	2
10	14	2
11	14	3
12	14	3
13	14	3
14	14	3
15	14	3
16	14	3
17	15	3
18	15	3
19	15	3
20	15	4
21	15	4
22	15	4
23	15	4
24	15	4
25	16	4
26	16	4
27	16	4
28	16	5
29	16	5
30	16	5

How April really feels in Kastamonu

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 8 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Kastamonu weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 57%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	39	40	40	41	41	41	42	42	42	42	42	41	41	40	40	41	41	41	42	43	42	43	44	44	46	46	47	48	48	49
Cloudier (%)	61	60	60	59	59	59	58	58	58	58	58	59	59	60	60	59	59	59	58	57	58	57	56	56	54	54	53	52	52	51

	Clearer (%)	Cloudier (%)
1	39	61
2	40	60
3	40	60
4	41	59
5	41	59
6	41	59
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	41	59
13	41	59
14	40	60
15	40	60
16	41	59
17	41	59
18	41	59
19	42	58
20	43	57
21	42	58
22	43	57
23	44	56
24	44	56
25	46	54
26	46	54
27	47	53
28	48	52
29	48	52
30	49	51

Chance of precipitation in April

Any precipitationSnow

Kastamonu gets around 64 mm of rain and snow over 13.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 47% on the wettest days, and about 2 days bring snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	41	42	42	43	43	43	44	44	44	45	45	45	46	46	46	47	46	46	46	45	45	45	44	44	43	43	42	42	41	41
Snow chance (%)	14	13	13	12	12	11	11	10	10	10	10	10	9	9	9	8	8	8	7	7	6	6	5	5	5	4	4	3	3	2

	Rain chance (%)	Snow chance (%)
1	41	14
2	42	13
3	42	13
4	43	12
5	43	12
6	43	11
7	44	11
8	44	10
9	44	10
10	45	10
11	45	10
12	45	10
13	46	9
14	46	9
15	46	9
16	47	8
17	46	8
18	46	8
19	46	7
20	45	7
21	45	6
22	45	6
23	44	5
24	44	5
25	43	5
26	43	4
27	42	4
28	42	3
29	41	3
30	41	2

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:37 AM to 4:51 AM, and sunset from 6:02 PM to 6:34 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.5	12.5	12.6	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.2	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.5	13.6	13.6	13.7	13.7
Sunrise (AM)	5:37	5:35	5:34	5:32	5:30	5:29	5:27	5:25	5:23	5:22	5:20	5:18	5:17	5:15	5:13	5:12	5:10	5:09	5:07	5:06	5:04	5:02	5:01	4:59	4:58	4:56	4:55	4:54	4:52	4:51
Sunset (PM)	6:02	6:03	6:04	6:05	6:06	6:07	6:09	6:10	6:11	6:12	6:13	6:14	6:15	6:16	6:17	6:18	6:19	6:21	6:22	6:23	6:24	6:25	6:26	6:27	6:28	6:29	6:30	6:32	6:33	6:34

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	5:37	6:02
2	12.5	5:35	6:03
3	12.5	5:34	6:04
4	12.6	5:32	6:05
5	12.6	5:30	6:06
6	12.6	5:29	6:07
7	12.7	5:27	6:09
8	12.7	5:25	6:10
9	12.8	5:23	6:11
10	12.8	5:22	6:12
11	12.9	5:20	6:13
12	12.9	5:18	6:14
13	13.0	5:17	6:15
14	13.0	5:15	6:16
15	13.1	5:13	6:17
16	13.1	5:12	6:18
17	13.2	5:10	6:19
18	13.2	5:09	6:21
19	13.2	5:07	6:22
20	13.3	5:06	6:23
21	13.3	5:04	6:24
22	13.4	5:02	6:25
23	13.4	5:01	6:26
24	13.5	4:59	6:27
25	13.5	4:58	6:28
26	13.5	4:56	6:29
27	13.6	4:55	6:30
28	13.6	4:54	6:32
29	13.7	4:52	6:33
30	13.7	4:51	6:34

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.04 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 6.68 kWh/m² in July across the year — April's 5.04 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.9	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.4	5.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.7	Bright
4	4.7	Bright
5	4.7	Bright
6	4.8	Bright
7	4.8	Bright
8	4.8	Bright
9	4.8	Bright
10	4.9	Bright
11	4.9	Bright
12	4.9	Bright
13	4.9	Bright
14	4.9	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.0	Bright
19	5.1	Bright
20	5.1	Bright
21	5.1	Bright
22	5.2	Bright
23	5.2	Bright
24	5.3	Bright
25	5.3	Bright
26	5.3	Bright
27	5.4	Bright
28	5.4	Bright
29	5.4	Bright
30	5.5	Bright

Planning a trip in April

Is April a good time to visit Kastamonu?

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

3.9

Sightseeing

7th-best month of the year

0.2

Beach & pool

7th-best month of the year

April is a weaker month for outdoor sightseeing in Kastamonu.

What to pack for Kastamonu in April

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

In April, Kastamonu sees daytime highs around 14°C and nights near 3°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Kastamonu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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

Location & terrain

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.

3 km

317 m

trees 49%

16 km

791 m

trees 45%

80 km

2,562 m

trees 64%

treesgrasslandcroplandartificial surfacesbare terrainwater

← March Kastamonu year-round climate May →Best places to visit in April

April weather nearby: Taşköprü 39 km · Tosya 46 km · Boyabat 83 km · Çankırı 88 km · Safranbolu 91 km · İskilip 92 km · Osmancık 97 km · Çerkeş 97 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. 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).

	Avg high (°C)	Avg low (°C)
1	12	1
2	12	1
3	12	1
4	13	2
5	13	2
6	13	2
7	13	2
8	13	2
9	14	2
10	14	2
11	14	3
12	14	3
13	14	3
14	14	3
15	14	3
16	14	3
17	15	3
18	15	3
19	15	3
20	15	4
21	15	4
22	15	4
23	15	4
24	15	4
25	16	4
26	16	4
27	16	4
28	16	5
29	16	5
30	16	5

	Clearer (%)	Cloudier (%)
1	39	61
2	40	60
3	40	60
4	41	59
5	41	59
6	41	59
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	41	59
13	41	59
14	40	60
15	40	60
16	41	59
17	41	59
18	41	59
19	42	58
20	43	57
21	42	58
22	43	57
23	44	56
24	44	56
25	46	54
26	46	54
27	47	53
28	48	52
29	48	52
30	49	51

	Rain chance (%)	Snow chance (%)
1	41	14
2	42	13
3	42	13
4	43	12
5	43	12
6	43	11
7	44	11
8	44	10
9	44	10
10	45	10
11	45	10
12	45	10
13	46	9
14	46	9
15	46	9
16	47	8
17	46	8
18	46	8
19	46	7
20	45	7
21	45	6
22	45	6
23	44	5
24	44	5
25	43	5
26	43	4
27	42	4
28	42	3
29	41	3
30	41	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	12	1
2	12	1
3	12	1
4	13	2
5	13	2
6	13	2
7	13	2
8	13	2
9	14	2
10	14	2
11	14	3
12	14	3
13	14	3
14	14	3
15	14	3
16	14	3
17	15	3
18	15	3
19	15	3
20	15	4
21	15	4
22	15	4
23	15	4
24	15	4
25	16	4
26	16	4
27	16	4
28	16	5
29	16	5
30	16	5

	Clearer (%)	Cloudier (%)
1	39	61
2	40	60
3	40	60
4	41	59
5	41	59
6	41	59
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	41	59
13	41	59
14	40	60
15	40	60
16	41	59
17	41	59
18	41	59
19	42	58
20	43	57
21	42	58
22	43	57
23	44	56
24	44	56
25	46	54
26	46	54
27	47	53
28	48	52
29	48	52
30	49	51

	Rain chance (%)	Snow chance (%)
1	41	14
2	42	13
3	42	13
4	43	12
5	43	12
6	43	11
7	44	11
8	44	10
9	44	10
10	45	10
11	45	10
12	45	10
13	46	9
14	46	9
15	46	9
16	47	8
17	46	8
18	46	8
19	46	7
20	45	7
21	45	6
22	45	6
23	44	5
24	44	5
25	43	5
26	43	4
27	42	4
28	42	3
29	41	3
30	41	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	12	1
2	12	1
3	12	1
4	13	2
5	13	2
6	13	2
7	13	2
8	13	2
9	14	2
10	14	2
11	14	3
12	14	3
13	14	3
14	14	3
15	14	3
16	14	3
17	15	3
18	15	3
19	15	3
20	15	4
21	15	4
22	15	4
23	15	4
24	15	4
25	16	4
26	16	4
27	16	4
28	16	5
29	16	5
30	16	5

	Clearer (%)	Cloudier (%)
1	39	61
2	40	60
3	40	60
4	41	59
5	41	59
6	41	59
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	41	59
13	41	59
14	40	60
15	40	60
16	41	59
17	41	59
18	41	59
19	42	58
20	43	57
21	42	58
22	43	57
23	44	56
24	44	56
25	46	54
26	46	54
27	47	53
28	48	52
29	48	52
30	49	51

	Rain chance (%)	Snow chance (%)
1	41	14
2	42	13
3	42	13
4	43	12
5	43	12
6	43	11
7	44	11
8	44	10
9	44	10
10	45	10
11	45	10
12	45	10
13	46	9
14	46	9
15	46	9
16	47	8
17	46	8
18	46	8
19	46	7
20	45	7
21	45	6
22	45	6
23	44	5
24	44	5
25	43	5
26	43	4
27	42	4
28	42	3
29	41	3
30	41	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100