+26.2210° · +84.3561° · ELEV 0m

Siwān

India · Bihar

Monthly weather averages for Siwān, India — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.

№ 01

Climate Overview

April → January

Siwān has a temperate climate. The warmest month is April (37°C average high) and the coolest is January (21°C).

№ 02

Rainfall by Month

1431 mm / year

Siwān sees 1431 mm of rain a year. The wettest month is July (404 mm); the driest is November (0 mm).

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№ 03

Best Time to Visit

October–December
October–December
12°C – 31°C · 9.6h sun

The best time to visit Siwān is October–December, when temperatures average 12°C–31°C with 9.6 sunshine hours per day.

№ 04

Monthly Breakdown

12 months · °C · mm · hours
Monthly climate normals for Siwān, India — click a column to sort
January21.2°C10.0°C19 mm9.3 h06:4117:21
February25.3°C12.9°C16 mm10.4 h06:2817:44
March31.4°C17.9°C16 mm10.6 h06:0218:00
April36.5°C22.9°C17 mm11.3 h05:2918:15
May36.3°C25.2°C71 mm11.4 h05:0618:31
June35.8°C27.1°C192 mm10.5 h04:5918:46
July32.2°C26.4°C404 mm7.7 h05:0918:47
August32.0°C26.2°C318 mm8.4 h05:2418:29
September31.3°C25.3°C301 mm8.4 h05:3817:58
October30.6°C21.6°C65 mm9.7 h05:5117:25
November28.0°C16.1°C0 mm9.9 h06:1017:03
December23.3°C11.6°C12 mm9.3 h06:3217:02

Nearby cities

View monthly climate averages for nearby cities or compare them with Siwān.

Temperature, rainfall and sunshine, month by month.