Guwahati climate
Guwahati is warmest in August, with average highs of 31 °C, and coldest in January, when nights average 12 °C. July is the wettest month (659 mm) and December the driest (8.8 mm). Figures are 1991–2020 climate normals.
Across a full year Guwahati averages 2,890 mm of rain and 295 days above 25 °C.
India · population 962,334 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 31 °C
- Coldest month January 12 °C
- Driest month December 9 mm
- Wettest month July 659 mm
- Least cloud November 29 % cloud
- Hottest on record April 39 °C
- Coldest on record January 7.0 °C
What to expectGuwahati through the year
Guwahati has a clear annual cycle: average daily highs run from 23 °C in January to 31 °C in August, a swing of 10 °C in mean temperature across the year.
Counted across a normal year, 295 days a year reach 25 °C, 134 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in April.
Rain is strongly seasonal. July averages 659 mm against 9 mm in December — 75 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 22.7 °C | 12 mm | 34 % |
| February | 25.4 °C | 22 mm | 32 % |
| March | 29.5 °C | 60 mm | 36 % |
| April | 30.0 °C | 163 mm | 54 % |
| May | 29.9 °C | 321 mm | 66 % |
| June | 30.4 °C | 524 mm | 85 % |
| July | 30.7 °C | 659 mm | 93 % |
| August | 30.9 °C | 596 mm | 92 % |
| September | 30.3 °C | 375 mm | 79 % |
| October | 29.1 °C | 130 mm | 44 % |
| November | 26.8 °C | 18 mm | 29 % |
| December | 24.0 °C | 9 mm | 30 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 22.7 °C | 12.1 °C | 17.4 °C | 27.5 °C | 7.0 °C | 3 | 0 | 0 |
| February | 25.4 °C | 14.2 °C | 19.8 °C | 32.7 °C | 8.4 °C | 17 | 1 | 0 |
| March | 29.5 °C | 18.0 °C | 23.7 °C | 36.7 °C | 12.5 °C | 29 | 14 | 0 |
| April | 30.0 °C | 20.8 °C | 25.2 °C | 38.9 °C | 15.2 °C | 28 | 14 | 0 |
| May | 29.9 °C | 22.9 °C | 26.1 °C | 35.9 °C | 18.8 °C | 30 | 15 | 0 |
| June | 30.4 °C | 24.9 °C | 27.3 °C | 35.9 °C | 21.4 °C | 30 | 19 | 0 |
| July | 30.7 °C | 25.5 °C | 27.6 °C | 35.9 °C | 23.4 °C | 31 | 21 | 0 |
| August | 30.9 °C | 25.4 °C | 27.7 °C | 36.3 °C | 23.2 °C | 31 | 22 | 0 |
| September | 30.3 °C | 24.5 °C | 27.0 °C | 34.8 °C | 20.4 °C | 30 | 19 | 0 |
| October | 29.1 °C | 21.8 °C | 25.3 °C | 34.0 °C | 15.4 °C | 30 | 8 | 0 |
| November | 26.8 °C | 17.4 °C | 22.0 °C | 31.0 °C | 12.2 °C | 26 | 1 | 0 |
| December | 24.0 °C | 13.6 °C | 18.7 °C | 28.2 °C | 8.1 °C | 10 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 12 mm | 3 | 11 h/day | 34 % | 76 % | 9.4 km/h |
| February | 22 mm | 4 | 11 h/day | 32 % | 70 % | 11 km/h |
| March | 60 mm | 8 | 12 h/day | 36 % | 64 % | 14 km/h |
| April | 163 mm | 18 | 13 h/day | 54 % | 75 % | 14 km/h |
| May | 321 mm | 27 | 13 h/day | 66 % | 84 % | 12 km/h |
| June | 524 mm | 29 | 14 h/day | 85 % | 88 % | 11 km/h |
| July | 659 mm | 30 | 14 h/day | 93 % | 89 % | 11 km/h |
| August | 596 mm | 29 | 13 h/day | 92 % | 88 % | 10 km/h |
| September | 375 mm | 26 | 12 h/day | 79 % | 88 % | 10 km/h |
| October | 130 mm | 13 | 12 h/day | 44 % | 84 % | 9.6 km/h |
| November | 18 mm | 2 | 11 h/day | 29 % | 78 % | 9.4 km/h |
| December | 9 mm | 1 | 11 h/day | 30 % | 77 % | 9.2 km/h |
Planning a trip? See the best time to visit Guwahati.
QuestionsCommon questions about Guwahati’s climate
When is the best time to visit Guwahati?
That depends on what you want, so the honest answer is a comparison rather than a single month. February, November, December sit closest to 20 °C on average, August is the warmest month and December the driest. The month-by-month table above has the full picture.
How hot does Guwahati get?
In August, the warmest month, daily highs average 31 °C. About 134 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.
How cold does it get in winter?
Nights average 12 °C in January, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Guwahati?
July, averaging 659 mm over 30 days with rain. The driest month is December with 9 mm. The year as a whole averages 2,890 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Guwahati rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Data point
- 26.184°, 91.746° (the coordinates the reanalysis values are taken for)
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.