Sri Lanka

Best time to visit Sri Lanka

Based on 12 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.

⭐ Best week

W24 · Jun 10–16

🌡 31.5°C avg☀️ 10.7h sun/day🌧 1.0mm/day

Weather score: 73/100

31.9°C

Avg summer temp

28.1°C

Avg winter temp

9.8h

Avg sunshine / day

4.5mm

Avg rainfall / day

Month-by-month weather

January66/100

🌡 27.7°C☀️ 9.4h🌧 Moderate rain

February71/100

🌡 28.7°C☀️ 10.1h🌧 Moderate rain

March71/100

🌡 31.5°C☀️ 10.9h🌧 Light showers

April57/100

🌡 32.8°C☀️ 10.7h🌧 Moderate rain

May72/100

🌡 31.7°C☀️ 10.0h🌧 Moderate rain

June73/100

🌡 31.7°C☀️ 10.8h🌧 Dry

July73/100

🌡 31.9°C☀️ 10.4h🌧 Light showers

August72/100

🌡 32.0°C☀️ 10.4h🌧 Light showers

September69/100

🌡 31.9°C☀️ 10.1h🌧 Moderate rain

October51/100

🌡 30.4°C☀️ 8.7h🌧 Heavy rain

November44/100

🌡 28.5°C☀️ 7.6h🌧 Heavy rain

December53/100

🌡 27.8°C☀️ 8.3h🌧 Heavy rain

All weeks ranked by weather score

Week	Dates	Avg temp	Range	Sun / day	Rain / day	Score
W24	Jun 10–16	31.5°C	24.1°–32.9°	10.7h	1.0mm	73
W25	Jun 17–23	31.5°C	24.2°–32.6°	10.7h	0.7mm	73
W26	Jun 24–30	32.1°C	23.9°–33.5°	10.8h	1.0mm	73
W27	Jul 1–7	32.0°C	24.2°–33.4°	10.6h	0.8mm	73
W22	May 27–Jun 2	31.7°C	24.3°–32.8°	11.0h	0.9mm	72
W23	Jun 3–9	31.8°C	24.2°–32.5°	11.1h	1.0mm	72
W29	Jul 15–21	31.8°C	24.0°–33.6°	10.3h	1.2mm	72
W31	Jul 29–Aug 4	32.0°C	24.0°–33.3°	10.6h	1.1mm	72
W8	Feb 19–25	29.4°C	19.9°–30.5°	10.7h	2.1mm	71
W10	Mar 4–10	30.6°C	21.1°–31.9°	10.9h	1.5mm	71
W28	Jul 8–14	32.2°C	24.1°–33.5°	10.9h	1.2mm	71
W32	Aug 5–11	31.9°C	23.8°–33.1°	10.5h	1.3mm	71
W21	May 20–26	31.0°C	24.2°–32.3°	10.4h	1.6mm	70
W30	Jul 22–28	31.8°C	23.9°–33.3°	10.0h	1.8mm	69
W38	Sep 16–22	32.0°C	23.7°–33.3°	10.5h	1.9mm	69
W34	Aug 19–25	32.2°C	23.5°–33.6°	10.6h	1.9mm	68
W35	Aug 26–Sep 1	31.9°C	23.5°–33.5°	10.0h	1.9mm	68
W36	Sep 2–8	31.9°C	23.5°–33.5°	9.8h	1.8mm	68
W5	Jan 29–Feb 4	28.0°C	19.9°–29.3°	9.5h	3.1mm	67
W7	Feb 12–18	28.5°C	20.4°–29.8°	10.5h	3.0mm	67
W12	Mar 18–24	32.0°C	21.3°–33.4°	11.0h	1.9mm	67
W3	Jan 15–21	27.6°C	19.0°–28.9°	9.5h	3.5mm	66
W4	Jan 22–28	27.9°C	19.7°–29.1°	9.8h	3.3mm	66
W13	Mar 25–31	32.6°C	21.9°–33.9°	11.3h	2.0mm	66
W33	Aug 12–18	31.8°C	23.6°–33.2°	10.1h	2.4mm	66
W6	Feb 5–11	28.4°C	20.2°–29.4°	10.1h	3.5mm	65
W37	Sep 9–15	32.1°C	23.5°–33.5°	10.4h	2.5mm	65
W11	Mar 11–17	31.0°C	21.3°–32.3°	10.6h	2.8mm	64
W1	Jan 1–7	27.8°C	20.6°–28.9°	9.2h	4.5mm	60
W9	Feb 26–Mar 3	29.4°C	21.3°–30.9°	9.7h	4.1mm	60
W15	Apr 8–14	32.4°C	22.8°–33.9°	10.6h	3.5mm	57
W2	Jan 8–14	27.4°C	19.6°–28.7°	9.1h	5.7mm	56
W16	Apr 15–21	33.0°C	23.1°–34.2°	10.9h	4.1mm	54
W17	Apr 22–28	33.1°C	23.3°–34.2°	10.5h	3.9mm	54
W52	Dec 23–29	27.7°C	20.7°–28.7°	9.1h	6.9mm	53
W14	Apr 1–7	32.8°C	22.4°–34.0°	10.8h	4.7mm	52
W39	Sep 23–29	31.5°C	23.1°–33.1°	9.7h	6.2mm	51
W40	Sep 30–Oct 6	31.6°C	22.9°–32.8°	9.6h	5.6mm	51
W41	Oct 7–13	31.0°C	22.8°–32.3°	9.5h	6.3mm	50
W49	Dec 2–8	28.2°C	21.4°–29.6°	8.1h	6.4mm	49
W18	Apr 29–May 5	32.8°C	23.7°–34.0°	10.0h	5.8mm	47
W50	Dec 9–15	27.9°C	21.2°–29.5°	8.0h	7.7mm	47
W51	Dec 16–22	27.6°C	20.4°–29.0°	8.0h	8.3mm	47
W20	May 13–19	31.2°C	23.8°–32.6°	9.4h	7.6mm	45
W46	Nov 11–17	28.9°C	21.7°–30.4°	8.2h	8.3mm	44
W42	Oct 14–20	30.3°C	22.5°–31.7°	9.1h	9.0mm	43
W47	Nov 18–24	28.5°C	21.8°–29.8°	7.7h	9.8mm	40
W43	Oct 21–27	29.8°C	22.4°–30.9°	7.9h	9.7mm	39
W45	Nov 4–10	29.0°C	21.8°–30.5°	7.9h	11.4mm	39
W48	Nov 25–Dec 1	27.6°C	21.0°–29.5°	6.7h	14.6mm	39
W19	May 6–12	32.0°C	23.5°–33.6°	9.2h	10.7mm	38
W44	Oct 28–Nov 3	29.3°C	22.1°–30.9°	7.4h	14.5mm	37

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