July is one of the warmer months of the year in Kolkata, with average highs near 33.9°C and lows around 25.4°C (mean 29.7°C). It is a relatively wet time of year, averaging 312 mm of rainfall and 87% relative humidity across the period.
July is one of the warmer months of the year in Kolkata. Across 45 years of records, the warmest July in Kolkata was 1983 — when the month averaged 31.5°C — while the coldest were 1985, 1990 and 2001, among others at 28.8°C. Typical July days reach 33.9°C with nights near 25.4°C. The long-term July temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 29.3°C | 29.4°C | 29.9°C | 29.9°C | 0°C |
| Avg High | 34.6°C | 33.2°C | 33.5°C | 34.3°C | 33.9°C | -0.7°C |
| Avg Low | 25.2°C | 25.5°C | 25.4°C | 25.4°C | 25.8°C | +0.6°C |
| Avg Rain | 254 mm | 309 mm | 310 mm | 361 mm | 328 mm | +73 mm |
July temperatures in Kolkata have stayed relatively stable across the record.
July has ranged from a record low of 24.3°C (2011) to a record high of 37.2°C (1983).
Rainfall in July is a relatively wet time of year, averaging 312 mm, with a wettest year of 697 mm.
A quieter season to visit Kolkata
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Kolkata. That said, July — with days averaging 33.9°C and nights around 25.4°C (mean 29.7°C) and higher rainfall (312 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 34.3°C | 26.1°C | 30.2°C | 465 mm | 88% | 2.6 m/s | 3.5 |
| 2024 | 34.3°C | 26.2°C | 30.2°C | 304 mm | 85% | 3.2 m/s | 4.4 |
| 2023 | 34.5°C | 26.0°C | 30.3°C | 227 mm | 84% | 2.8 m/s | 4.7 |
| 2022 | 33.7°C | 25.6°C | 29.6°C | 227 mm | 84% | 2.9 m/s | 4.7 |
| 2021 | 33.3°C | 25.9°C | 29.6°C | 485 mm | 88% | 2.8 m/s | 4.1 |
| 2020 | 33.3°C | 25.1°C | 29.2°C | 258 mm | 87% | 2.9 m/s | 4.5 |
| 2019 | 35.9°C | 26.2°C | 31.0°C | 172 mm | 79% | 3.4 m/s | 4.7 |
| 2018 | 34.0°C | 25.6°C | 29.8°C | 355 mm | 86% | 2.9 m/s | 4.1 |
| 2017 | 34.1°C | 25.6°C | 29.8°C | 682 mm | 89% | 3 m/s | 3.6 |
| 2016 | 33.6°C | 24.7°C | 29.1°C | 384 mm | 86% | 3.1 m/s | 3.8 |
| 2015 🌧️ | 33.8°C | 25.4°C | 29.6°C | 697 mm | 90% | 2.8 m/s | 3.5 |
| 2014 | 34.4°C | 25.7°C | 30.0°C | 280 mm | 87% | 3.1 m/s | 4.2 |
| 2013 | 34.2°C | 25.6°C | 29.9°C | 283 mm | 87% | 3.1 m/s | 4.6 |
| 2012 | 35.6°C | 25.4°C | 30.5°C | 271 mm | 84% | 3.3 m/s | 4.1 |
| 2011 | 33.9°C | 24.3°C | 29.1°C | 268 mm | 87% | 2.8 m/s | 4.6 |
| 2010 | 33.9°C | 25.5°C | 29.7°C | 215 mm | 86% | 2.9 m/s | 4.8 |
| 2009 | 34.1°C | 25.7°C | 29.9°C | 275 mm | 85% | 3.3 m/s | 4.1 |
| 2008 | 32.3°C | 25.7°C | 29.0°C | 307 mm | 90% | 3.1 m/s | 3.9 |
| 2007 | 33.4°C | 25.3°C | 29.4°C | 599 mm | 90% | 3.3 m/s | 4.1 |
| 2006 | 33.0°C | 25.7°C | 29.4°C | 406 mm | 89% | 3.2 m/s | 4.1 |
| 2005 | 33.6°C | 25.3°C | 29.4°C | 275 mm | 86% | 3.3 m/s | 4.1 |
| 2004 | 34.2°C | 25.1°C | 29.6°C | 184 mm | 87% | 3.3 m/s | 4.3 |
| 2003 | 33.3°C | 25.7°C | 29.5°C | 248 mm | 88% | 3 m/s | 4.6 |
| 2002 | 34.0°C | 25.1°C | 29.6°C | 227 mm | 88% | 2.9 m/s | 4.3 |
| 2001 | 32.7°C | 25.0°C | 28.8°C | 268 mm | 90% | 3.6 m/s | 3.9 |
| 2000 | 34.6°C | 24.9°C | 29.8°C | 309 mm | 87% | 2.9 m/s | 4.4 |
| 1999 | 33.2°C | 25.7°C | 29.4°C | 326 mm | 89% | 2.8 m/s | 4.3 |
| 1998 | 33.3°C | 26.0°C | 29.7°C | 239 mm | 87% | 3.4 m/s | 4.3 |
| 1997 | 32.6°C | 25.5°C | 29.0°C | 370 mm | 90% | 3 m/s | 4.1 |
| 1996 | 33.6°C | 25.6°C | 29.6°C | 193 mm | 86% | 2.9 m/s | 4.4 |
| 1995 | 32.5°C | 25.5°C | 29.0°C | 288 mm | 89% | 3 m/s | 4.3 |
| 1994 | 33.1°C | 25.3°C | 29.2°C | 310 mm | 89% | 3 m/s | 4.3 |
| 1993 | 33.5°C | 25.3°C | 29.4°C | 238 mm | 87% | 3.2 m/s | 4.3 |
| 1992 | 34.1°C | 25.5°C | 29.8°C | 307 mm | 88% | 3.2 m/s | 4.3 |
| 1991 | 33.7°C | 25.3°C | 29.5°C | 304 mm | 87% | 3.5 m/s | 4.3 |
| 1990 | 32.1°C | 25.5°C | 28.8°C | 519 mm | 89% | 3.2 m/s | 4.2 |
| 1989 | 34.1°C | 25.0°C | 29.5°C | 275 mm | 86% | 3.2 m/s | 4.5 |
| 1988 | 33.1°C | 25.8°C | 29.4°C | 188 mm | 89% | 3.3 m/s | 4 |
| 1987 | 36.6°C | 25.4°C | 31.0°C | 365 mm | 84% | 3.4 m/s | 4 |
| 1986 | 35.0°C | 24.5°C | 29.7°C | 324 mm | 86% | 3.3 m/s | 4.6 |
| 1985 | 33.0°C | 24.7°C | 28.8°C | 184 mm | 84% | 3.4 m/s | 4.5 |
| 1984 ❄️ | 32.4°C | 25.2°C | 28.8°C | 253 mm | 87% | 3.4 m/s | 3.4 |
| 1983 🔥 | 37.2°C | 25.9°C | 31.5°C | 118 mm | 76% | 3.7 m/s | — |
| 1982 | 36.5°C | 25.3°C | 30.9°C | 210 mm | 83% | 3.2 m/s | — |
| 1981 | 33.3°C | 25.3°C | 29.3°C | 373 mm | 88% | 3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.9°C with lows near 25.4°C (mean 29.7°C), based on 45 years of NASA POWER data.
July averages 312 mm of rainfall in Kolkata, a relatively wet time of year. The wettest on record was 697 mm in 2015.
The hottest July reached 37.2°C in 1983. The coldest dipped to 24.3°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.1°C. Daytime highs moved from 34.5°C to 34°C and overnight lows from 25.3°C to 26°C over the same span.
July is one of the warmer months of the year in Kolkata and a relatively wet time of year, so plan for around 33.9°C daytime highs and 25.4°C at night.
Not quite — July is the 9th coolest month in Kolkata, averaging 29.7°C.
For July in Kolkata, pack light, breathable clothing and sun protection, with typical highs of 33.9°C and lows of 25.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 87% — quite humid.
Average wind speed in July is 3.1 m/s. The windiest July on record averaged 3.7 m/s (1983).
The wettest July on record was 2015 with 697 mm. On average, July sees 312 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Kolkata behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
