The climate in Siwān during October can be summarized as hot, humid and reasonably dry.
October is in the fall / autumn in Siwān and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 32.2°C 89.9°F |
|---|---|
| Nightly temperature | 21.3°C 70.3°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 62 mm 2.4 ins |
| Rainy days | 2 days |
| Sea temperature | 25.7°C 78.3°F |
| Humidity | 71% |
| Windspeed | 3.6kph 2 mph |
On average October is the 5th wettest month of the year in Siwān with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Siwān in October 2025.
Best places to visit in October
| Hottest month: | June | 36.9°C 98.4°F |
|---|---|---|
| Driest month: | December | 4mm 0.2ins |
| Sunniest month: | April | 9.6hrs |
| Coldest month: | January | 23.1°C 73.6°F |
| Wettest month: | July | 324mm 12.8ins |