Climate averages 1991–2020
Guwahati weather
in December.
A warm, very dry month: the 11th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Guwahati: daytime highs average 24.0°C and nights cool to about 13.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 9.2 mm of rain on roughly 2 days, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 32 min on an average December day.
The nearest other city in this atlas is Shillong (70 km away). In December its highs average 16.9°C, 7.1°C cooler than Guwahati, with 16 mm of rain.
Among the 692 cities listed in India, Guwahati ranks joint 440th of 692 for the warmest December highs and joint 394th of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Guwahati is 1.6°C cooler than that mean.
From December to January, average highs fall by 1.2°C to 22.7°C, and monthly rainfall rises from 9.2 mm to 11 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Guwahati climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.7°C12.5°C | 12.5°C | 11 | 2.6 | 10.711 h |
| February | 25.4°C14.5°C | 14.5°C | 23 | 4.6 | 11.311 h |
| March | 29.6°C18.3°C | 18.3°C | 60 | 8.3 | 12.012 h |
| April | 30.0°C21.1°C | 21.1°C | 163 | 18.8 | 12.813 h |
| May | 29.9°C23.1°C | 23.1°C | 317 | 27.0 | 13.413 h |
| June | 30.4°C25.0°C | 25.0°C | 530 | 28.7 | 13.714 h |
| July | 30.6°C25.6°C | 25.6°C | 671 | 30.2 | 13.614 h |
| August | 30.9°C25.5°C | 25.5°C | 610 | 29.7 | 13.113 h |
| September | 30.3°C24.6°C | 24.6°C | 392 | 26.0 | 12.312 h |
| October | 29.0°C22.0°C | 22.0°C | 133 | 14.0 | 11.612 h |
| November | 26.7°C17.7°C | 17.7°C | 18 | 2.8 | 10.911 h |
| December, selected | 24.0°C13.9°C | 13.9°C | 9.2 | 1.6 | 10.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Shillong in DecemberIndia · 70 kmHigh 16.9°C · Low 8.5°C · 16 mm rain
- Nagaon in DecemberIndia · 94 kmHigh 24.0°C · Low 14.8°C · 9.9 mm rain
- Tezpur in DecemberIndia · 116 kmHigh 23.3°C · Low 14.7°C · 7.7 mm rain
- Sunāmganj in DecemberBangladesh · 129 kmHigh 24.0°C · Low 12.3°C · 11 mm rain
- Sylhet in DecemberBangladesh · 143 kmHigh 24.7°C · Low 13.3°C · 12 mm rain
- Tura in DecemberIndia · 171 kmHigh 23.6°C · Low 14.1°C · 8.5 mm rain
- Netrakona in DecemberBangladesh · 177 kmHigh 25.1°C · Low 13.6°C · 8.9 mm rain
- Silchar in DecemberIndia · 184 kmHigh 24.8°C · Low 13.4°C · 14 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Guwahati) is explained once on the Guwahati year overview and on the Sources, method and limits page.