Siwan, Bihar Climate
India
Pop. 135,066 Elev. 71 m / 233 ft
TZ: Asia/Kolkata (UTC+5:30) ·
Summers in Siwan are hot, with May highs around 98°F (37°C), while winters are mild with January lows of 52°F (11°C). Humidity pushes the summer feels-like temperature to around 128°F (53°C). Expect around 69 rainy days annually (55.8 in / 1418 mm total). The city averages 192 sunny days per year and around 58 thunderstorm days. Nearby lake water reaches 88°F (31°C) in summer.
| Temperature | 37°C (98°F) high | 11°C (52°F) low |
| Feels like | 53°C (128°F) high | 11°C (52°F) low |
| Rain | 69 days | 1418 mm (55.8 in) /yr |
| Sky | 192 sunny | 58 stormy |
| Wind | 1.7 m/s (3.9 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Feb, Nov, Dec
Sky & Air by Month
Cloud cover (%)
30
Jan 14
Feb 8
Mar 27
Apr 31
May 64
Jun 84
Jul 86
Aug 73
Sep 42
Oct 14
Nov 39
Dec Humidity (%)
82
Jan 67
Feb 49
Mar 49
Apr 58
May 65
Jun 79
Jul 86
Aug 85
Sep 79
Oct 71
Nov 78
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 101 km Jay Prakash Narayan Airport (PAT)
Ski resort 1,292 km Drung Bowls
National park 134 km Valmiki National park
Mountain peak
(1,580 m) 177 km
Hospital 2 km Al Jilani Eye Care Centre
Hiking trail 172 km Chitwan-Chepang Hills Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 21°C 70°F | 11°C 52°F | 1 mm 0.0 in | — | 21 |
| February | 27°C 80°F | 13°C 56°F | 1 mm 0.0 in | — | 25 |
| March | 33°C 91°F | 19°C 65°F | 3 mm 0.1 in | — | 29 |
| April | 36°C 97°F | 23°C 74°F | 32 mm 1.3 in | — | 23 |
| May | 37°C 98°F | 27°C 80°F | 45 mm 1.8 in | — | 21 |
| June | 37°C 98°F | 29°C 84°F | 161 mm 6.3 in | — | 8 |
| July | 34°C 93°F | 28°C 82°F | 213 mm 8.4 in | — | 2 |
| August | 33°C 91°F | 27°C 81°F | 425 mm 16.7 in | — | 0 |
| September | 33°C 91°F | 27°C 81°F | 267 mm 10.5 in | — | 3 |
| October | 31°C 87°F | 23°C 73°F | 267 mm 10.5 in | — | 19 |
| November | 28°C 83°F | 15°C 60°F | 3 mm 0.1 in | — | 26 |
| December | 22°C 71°F | 11°C 52°F | 0 mm 0.0 in | — | 15 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 21 | 0 |
| February | 25 | 0 |
| March | 29 | 0 |
| April | 23 | 1 |
| May | 21 | 1 |
| June | 8 | 8 |
| July | 2 | 11 |
| August | 0 | 16 |
| September | 3 | 14 |
| October | 19 | 7 |
| November | 26 | 0 |
| December | 15 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 17°C 63°F |
| February | 19°C 66°F |
| March | 22°C 72°F |
| April | 26°C 79°F |
| May | 30°C 86°F |
| June | 31°C 88°F |
| July | 30°C 86°F |
| August | 29°C 84°F |
| September | 30°C 87°F |
| October | 27°C 81°F |
| November | 22°C 71°F |
| December | 18°C 64°F |