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Hālīsahar, West Bengal Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Hālīsahar, West Bengal?
Hālīsahar, West Bengal gets 1249 mm of precipitation a year over about 85 rainy days. April is the warmest month (average high 36°C) and January the coldest (average low 12°C).
Tropical savanna climate
Hālīsahar, West Bengal has hot summers and warm winters. Daytime highs range from about 26°C in January to 36°C in May. July is usually the wettest month. The most comfortable time to visit is typically January, when daytime highs sit near 26°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 14° | 27° |
| Spring | Mar–May | 24° | 36° |
| Summer | Jun–Aug | 26° | 34° |
| Autumn | Sep–Nov | 23° | 32° |
How much rain does Hālīsahar get?
Hālīsahar gets 1249 mm of precipitation in an average year, spread over about 85 days with measurable rain. That is more rainy days than 73% of India.
July is the wettest month, with 274 mm. December is the driest, with 9 mm. July has the most rainy days, about 18.
Hālīsahar weather by month
Hālīsahar weather in January
In January, Hālīsahar averages a high of 26°C and a low of 12°C. It gets 19 mm of precipitation over about 2 rainy days. Estimated sunshine is 77% of daylight hours, derived from ERA5 cloud cover. The January record high is 33°C (1973) and the record low is 7°C (2013). January is one of the most comfortable months to visit.
Hālīsahar weather in February
In February, Hālīsahar averages a high of 29°C and a low of 16°C. It gets 17 mm of precipitation over about 3 rainy days. Estimated sunshine is 79% of daylight hours, derived from ERA5 cloud cover. The February record high is 37°C (2006) and the record low is 7°C (1974).
Hālīsahar weather in March
In March, Hālīsahar averages a high of 34°C and a low of 21°C. It gets 27 mm of precipitation over about 2 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The March record high is 41°C (2006) and the record low is 12°C (1993).
Hālīsahar weather in April
In April, Hālīsahar averages a high of 36°C and a low of 24°C. It gets 37 mm of precipitation over about 4 rainy days. Estimated sunshine is 65% of daylight hours, derived from ERA5 cloud cover. The April record high is 42°C (2024) and the record low is 16°C (1990).
Hālīsahar weather in May
In May, Hālīsahar averages a high of 36°C and a low of 26°C. It gets 85 mm of precipitation over about 6 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The May record high is 47°C (1979) and the record low is 12°C (1973).
Hālīsahar weather in June
In June, Hālīsahar averages a high of 34°C and a low of 26°C. It gets 172 mm of precipitation over about 12 rainy days. Estimated sunshine is 19% of daylight hours, derived from ERA5 cloud cover. The June record high is 44°C (1979) and the record low is 16°C (1977).
Hālīsahar weather in July
In July, Hālīsahar averages a high of 33°C and a low of 26°C. It gets 274 mm of precipitation over about 18 rainy days. Estimated sunshine is 9% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (1982) and the record low is 23°C (1978).
Hālīsahar weather in August
In August, Hālīsahar averages a high of 33°C and a low of 26°C. It gets 272 mm of precipitation over about 17 rainy days. Estimated sunshine is 8% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (1981) and the record low is 21°C (1986).
Hālīsahar weather in September
In September, Hālīsahar averages a high of 33°C and a low of 26°C. It gets 205 mm of precipitation over about 12 rainy days. Estimated sunshine is 13% of daylight hours, derived from ERA5 cloud cover. The September record high is 43°C (1973) and the record low is 22°C (2008).
Hālīsahar weather in October
In October, Hālīsahar averages a high of 33°C and a low of 24°C. It gets 101 mm of precipitation over about 6 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The October record high is 37°C (2024) and the record low is 16°C (2002).
Hālīsahar weather in November
In November, Hālīsahar averages a high of 30°C and a low of 19°C. It gets 31 mm of precipitation over about 2 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The November record high is 35°C (1981) and the record low is 8°C (1976).
Hālīsahar weather in December
In December, Hālīsahar averages a high of 27°C and a low of 14°C. It gets 9 mm of precipitation over about 1 rainy days. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The December record high is 32°C (2015) and the record low is 8°C (2012).
Sunshine, humidity and wind in Hālīsahar
February is the sunniest month in Hālīsahar, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. August is the cloudiest, at 8%. The annual cloud-cover estimate is 49% of daylight hours; it is not a measurement of sunshine duration. Hālīsahar is sunnier than 50% of India.
Humidity peaks in August at 86% and is lowest in March at 66%.
Hālīsahar has about 147 days a year above 32°C. Hālīsahar is hotter than 64% of India.
Hālīsahar weather records
These records cover CALCUTTA/DUM DUM during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Hālīsahar station is 47°C, on May 17, 1979. The coldest is 7°C, on January 9, 2013.
The wettest day in the available station history brought 383 mm of precipitation, on June 6, 1984.
27 all-time records have been set at the station since 1970.
The best time to visit Hālīsahar
The most comfortable time to visit is typically January, when daytime highs sit near 26°C.
Winter (December–February) is warm, with average highs around 27°C and lows near 14°C.
Spring (March–May) is hot, with average highs around 35°C and lows near 24°C.
Summer (June–August) is hot, with average highs around 34°C and lows near 26°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 32°C and lows near 23°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 12° | 26° | 19 mm | 2 | 78% | 77% | 33° | 7° |
| February | 16° | 29° | 17 mm | 3 | 69% | 79% | 37° | 7° |
| March | 21° | 34° | 27 mm | 2 | 66% | 71% | 41° | 12° |
| April | 24° | 36° | 37 mm | 4 | 68% | 65% | 42° | 16° |
| May | 26° | 36° | 85 mm | 6 | 76% | 53% | 47° | 12° |
| June | 26° | 34° | 172 mm | 12 | 81% | 19% | 44° | 16° |
| July | 26° | 33° | 274 mm | 18 | 84% | 9% | 39° | 23° |
| August | 26° | 33° | 272 mm | 17 | 86% | 8% | 39° | 21° |
| September | 26° | 33° | 205 mm | 12 | 86% | 13% | 43° | 22° |
| October | 24° | 33° | 101 mm | 6 | 83% | 51% | 37° | 16° |
| November | 19° | 30° | 31 mm | 2 | 75% | 71% | 35° | 8° |
| December | 14° | 27° | 8.9 mm | 1 | 76% | 72% | 32° | 8° |
Station: CALCUTTA/DUM DUM, 32 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Hālīsahar climate questions
How much rain does Hālīsahar get?
Hālīsahar gets 1249 mm of precipitation in an average year, over about 85 rainy days.
What is the wettest month in Hālīsahar?
July is the wettest month in Hālīsahar, with 274 mm. December is the driest, with 9 mm.
How many rainy days does Hālīsahar have a year?
Hālīsahar has about 85 days with measurable rain in an average year. July has the most, about 18.
What is the hottest month in Hālīsahar?
April is the warmest month in Hālīsahar, with an average high of 36°C.
What is the coldest month in Hālīsahar?
January is the coldest month in Hālīsahar, with an average low of 12°C.
What is the record high temperature in Hālīsahar?
Within the available 1970–2025 station history, the record high at the Hālīsahar station is 47°C, set on May 17, 1979. The record low is 7°C, on January 9, 2013.
What is the sunniest month in Hālīsahar?
February is the sunniest month in Hālīsahar, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. August is the cloudiest.
What is the best time to visit Hālīsahar?
The most comfortable time to visit is typically January, when daytime highs sit near 26°C.