Turkey

Best time to visit Istanbul

Based on 0 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.

⭐ Best week

W20 · May 13–19

🌡 22.0°C avg☀️ 12.0h sun/day🌧 1.4mm/day

Weather score: 92/100

27.8°C

Avg summer temp

10.1°C

Avg winter temp

9.4h

Avg sunshine / day

2.1mm

Avg rainfall / day

Month-by-month weather

January50/100

🌡 8.8°C☀️ 5.4h🌧 Moderate rain

February55/100

🌡 10.3°C☀️ 6.7h🌧 Light showers

March65/100

🌡 12.4°C☀️ 8.1h🌧 Light showers

April86/100

🌡 16.3°C☀️ 10.1h🌧 Light showers

May92/100

🌡 21.4°C☀️ 11.9h🌧 Light showers

June88/100

🌡 25.9°C☀️ 12.8h🌧 Light showers

July86/100

🌡 28.4°C☀️ 13.5h🌧 Light showers

August87/100

🌡 28.9°C☀️ 12.6h🌧 Dry

September92/100

🌡 25.2°C☀️ 10.8h🌧 Light showers

October85/100

🌡 19.8°C☀️ 8.3h🌧 Light showers

November79/100

🌡 15.6°C☀️ 6.8h🌧 Light showers

December57/100

🌡 11.3°C☀️ 5.6h🌧 Light showers

All weeks ranked by weather score

Week	Dates	Avg temp	Range	Sun / day	Rain / day	Score
W20	May 13–19	22.0°C	11.2°–25.4°	12.0h	1.4mm	92
W38	Sep 16–22	24.1°C	14.3°–28.9°	10.9h	1.3mm	92
W21	May 20–26	22.5°C	13.2°–25.5°	12.3h	1.5mm	90
W22	May 27–Jun 2	23.1°C	14.6°–26.0°	12.4h	1.5mm	89
W23	Jun 3–9	24.3°C	14.8°–27.5°	12.5h	1.3mm	88
W36	Sep 2–8	27.1°C	17.3°–29.2°	11.6h	0.7mm	88
W18	Apr 29–May 5	19.5°C	9.8°–22.4°	11.5h	1.6mm	87
W35	Aug 26–Sep 1	28.1°C	18.6°–30.1°	11.9h	0.4mm	87
W37	Sep 9–15	26.4°C	17.1°–28.7°	11.4h	1.2mm	87
W17	Apr 22–28	18.1°C	6.5°–22.2°	11.7h	1.1mm	86
W29	Jul 15–21	28.0°C	18.4°–30.5°	13.3h	0.6mm	86
W39	Sep 23–29	23.2°C	14.1°–26.0°	9.5h	2.3mm	86
W19	May 6–12	19.9°C	10.0°–23.4°	11.4h	2.3mm	85
W42	Oct 14–20	19.8°C	11.9°–22.1°	8.0h	0.8mm	85
W28	Jul 8–14	28.4°C	18.6°–31.5°	13.5h	0.5mm	84
W32	Aug 5–11	29.1°C	19.5°–31.1°	12.8h	0.6mm	84
W40	Sep 30–Oct 6	21.7°C	13.2°–24.2°	9.1h	2.4mm	84
W34	Aug 19–25	28.3°C	19.5°–30.4°	12.0h	0.9mm	83
W30	Jul 22–28	29.3°C	19.4°–32.2°	13.6h	1.1mm	82
W33	Aug 12–18	28.7°C	19.9°–30.5°	12.5h	1.1mm	82
W24	Jun 10–16	25.3°C	16.5°–28.0°	12.8h	2.2mm	81
W27	Jul 1–7	27.8°C	18.1°–29.7°	13.4h	1.7mm	81
W31	Jul 29–Aug 4	30.4°C	20.8°–32.6°	13.6h	0.2mm	81
W16	Apr 15–21	16.2°C	6.1°–19.8°	9.9h	1.4mm	80
W26	Jun 24–30	27.3°C	17.7°–29.8°	13.4h	1.9mm	80
W41	Oct 7–13	20.8°C	12.2°–23.4°	8.4h	2.4mm	80
W45	Nov 4–10	17.6°C	8.9°–19.5°	8.4h	1.0mm	79
W25	Jun 17–23	26.6°C	17.9°–29.1°	12.7h	2.3mm	77
W44	Oct 28–Nov 3	18.0°C	9.1°–20.8°	8.4h	1.9mm	76
W15	Apr 8–14	16.0°C	6.1°–19.9°	9.8h	2.3mm	75
W43	Oct 21–27	18.8°C	11.0°–21.1°	7.6h	2.5mm	73
W14	Apr 1–7	14.8°C	4.6°–18.6°	9.1h	2.7mm	68
W12	Mar 18–24	12.0°C	2.6°–16.3°	8.8h	1.8mm	65
W13	Mar 25–31	13.7°C	3.6°–18.2°	8.5h	2.2mm	65
W10	Mar 4–10	12.7°C	2.5°–16.0°	8.4h	2.2mm	63
W47	Nov 18–24	14.9°C	6.2°–18.3°	6.7h	2.2mm	63
W46	Nov 11–17	15.8°C	7.5°–18.5°	6.8h	3.3mm	61
W49	Dec 2–8	12.0°C	3.8°–14.8°	5.9h	2.0mm	57
W8	Feb 19–25	10.6°C	1.8°–14.5°	7.1h	2.6mm	55
W5	Jan 29–Feb 4	10.9°C	1.3°–14.0°	7.0h	3.0mm	52
W7	Feb 12–18	8.8°C	0.2°–13.1°	6.4h	1.8mm	52
W9	Feb 26–Mar 3	11.1°C	2.7°–14.9°	6.5h	3.0mm	52
W52	Dec 23–29	11.0°C	3.0°–13.7°	5.8h	2.6mm	52
W4	Jan 22–28	8.4°C	0.5°–11.5°	5.4h	1.7mm	50
W11	Mar 11–17	11.0°C	2.2°–15.1°	6.8h	3.3mm	50
W51	Dec 16–22	10.2°C	2.1°–13.1°	5.5h	2.6mm	49
W3	Jan 15–21	8.5°C	-0.7°–11.5°	6.5h	3.1mm	47
W6	Feb 5–11	10.3°C	0.7°–15.3°	6.7h	4.2mm	45
W48	Nov 25–Dec 1	14.1°C	5.0°–17.6°	5.5h	4.9mm	45
W50	Dec 9–15	11.8°C	3.2°–15.2°	5.1h	4.0mm	45
W1	Jan 1–7	9.8°C	1.4°–12.4°	5.5h	3.8mm	43
W2	Jan 8–14	8.4°C	-0.9°–13.1°	4.3h	5.7mm	30

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