Annual rainfall
1866 mm
Sirajganj climate: the whole year
2020–2024 averages
Sirajganj averages about 1,866 mm of rain a year — 50th of 64 districts, close to the national average. Most of it falls around June, while November is nearly dry (3 mm). April is the hottest month (average highs of 34.8°C; the hottest day of 2020–24 hit 42.5°C in April) and January the coolest (average lows of 11.9°C; coldest night 7.2°C in February). A typical year has about 32 days at or above 35°C and about 9 nights at or below 10°C. Worth knowing: dense fog in December–January. The most comfortable months to visit are January, February, November, December.
Rainfall rank (of 64)
50 / 64
Wettest month
June
Driest month
November
Hottest month
April · 34.8°
Coolest month
January · 11.9°
Best months to visit
January, February, November, December
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23.5° / 11.9° | 8 mm | 2 | 9.4 |
| February | 26.4° / 13.7° | 19 mm | 3 | 9.9 |
| March | 31.1° / 18.5° | 40 mm | 6 | 10.5 |
| April | 34.8° / 22.9° | 72 mm | 10 | 10.5 |
| May | 33.2° / 24.3° | 268 mm | 21 | 9.5 |
| June | 32.9° / 26.2° | 369 mm | 27 | 7.4 |
| July | 32.7° / 26.3° | 293 mm | 28 | 8.6 |
| August | 32.3° / 25.9° | 309 mm | 28 | 8.6 |
| September | 31.9° / 25.6° | 302 mm | 25 | 8.3 |
| October | 31.1° / 23.3° | 172 mm | 13 | 9.3 |
| November | 29.1° / 17.6° | 3 mm | 1 | 9.9 |
| December | 25.3° / 14.1° | 11 mm | 1 | 9.3 |
When is the best time to visit Sirajganj?
January, February, November, December — dry and comfortable with little rain. Avoid the April heat and the June rains.
Which month is the wettest in Sirajganj?
June — about 369 mm over 27 rainy days. The driest is November (3 mm).
Which month is the hottest in Sirajganj?
April — average highs of 34.8°C, peaking at 42.5°C in 2020–24. The coolest is January, with average lows of 11.9°C.