Climate and monthly weather forecast
Guwahati, India

Cradled in the northeast of India, Guwahati characteristically renders a Humid Subtropical climate, precisely known as the Cwa climate under the Köppen system. This climate kind is recognised by its distinct dry winters and humidity which varies within the city as per the pattern of the subtropical region.

Enumerating the various weather parameters over the span of a year, it is observed that the temperature fluctuations are significant. Temperature highs waver from 23.6°C (74.5°F) in January to a peak of 32.1°C (89.8°F) in August while lows shift from 10.5°C (50.9°F) in January to a high of 25.4°C (77.7°F) in August. Guwahati’s humidity starts around 79%, peaking at 83% between July to September, and settles back to 82% from October to December. With respect to rainfall, Guwahati experiences a swell from 8mm (0.31") in January to 377mm (14.84") in July, indicating a drastic shift in weather patterns.

From the data, it is evident that the maximum amount of rainfall is observed during the months of July and August. This change is accompanied by a rise in the number of rainy days, from 1.4 days in January to 20 days in July. Daylight hours and sunshine hours both follow a sinusoidal pattern, peaking in June where daylight lasts for 13.8 hours and dips reaching a low of 10.5 hours in December, whereas maximum sunshine is observed in January and December with readings of 7.3 and 7.5 hours respectively.

The most desirable time to visit Guwahati falls between November and March as during these months, the weather is relatively cooler and more stable. This period is also enjoyed for its relative dryness, as rainfall levels plummet to as low as 10mm (0.39") in December. Moreover, the city has more hours of sunshine during these months with an average of 7.5 hours in December, offering ample daylight for tourists to explore the city's various attractions.

Contrarily, the period from June to September can prove to be rather inconvenient for visitors due to excessive rainfall, marking these months as the least favourable for tourism. Particularly in July, rainfall measures skyrocket to 377mm (14.84") and as a result, the city observes 20 days of rainfall, often leading to water-logged streets and hindering travel plans.

Spring in Guwahati, observed from March to April, affirms the transition from cooler winters to warmer temperatures. High temperatures rise from 29.9°C (85.8°F) in March to 30.7°C (87.3°F) in April, while minimum temperatures register an increase from 15.7°C (60.3°F) to 19.9°C (67.8°F) respectively. Though rainfall levels ascend from 47mm (1.85") in March to 181mm (7.13") in April, the city sees a relatively lower count of rainy days, thus resulting in more pleasant weather conditions.

In Guwahati, summers span from May to June. This time witnesses an uptick in temperatures with highs reaching up to 31.9°C (89.4°F) in June and lows escalating to 24.8°C (76.6°F). Rainfall levels further surge; in June, the city receives 309mm (12.17") while the number of rainy days shoots up to 16.6 days. Despite the increased precipitation, the hours of sunshine show a downward trend with only 4.4 hours being recorded in June.

Autumn, spanning from September to November, is marked by relief from the heavy rains. Temperatures begin to drop gradually from highs of 30.2°C (86.4°F) in September to 27.5°C (81.5°F) in November, while lows also descend from 21.9°C (71.4°F) to 16.8°C (62.2°F) over these months. Rainfall also significantly recedes and the number of rainy days decreases from 13.3 in September to as low as 2.2 in November.

Winter months in Guwahati, lasting from December to February, bring a significant drop in temperatures with highs ranging from 26°C (78.8°F) in February to 23.6°C (74.5°F) in January, and lows staggering between 11.9°C (53.4°F) and 10.5°C (50.9°F). Rainfall visits the city rather sparingly with the lowest annual precipitations recorded at 10mm (0.39") in December, also making it the driest month of the year with an average of 0.9 rainy days. Interestingly, this period enjoys maximum sunshine, with readings of 7.5 and 7.3 hours observed in December and January respectively.

The new year begins in Guwahati, India with milder temperatures in comparison to the scorching summer that follows. The city experiences a noticeable transition from the frigid winters, welcoming warmer days and moderately cold nights. Weather in January »

February in Guwahati witnesses a subtle increment in warmth. The city enjoys amiable weather conditions, neither too hot nor too cold, creating an opportune time for outdoor activities. As the month advances, the weather slowly transitions as a prelude to the upcoming spring. Weather in February »

March bestows Guwahati with the vitality of spring, embracing a harmonious blend of sun and rain. The temperature continues to rise, replacing the winter chill with a refreshing warmth. An elevated rainfall pattern signifies the arrival of the wet season, turning the barren winter landscape into blooming greenery. Weather in March »

In Guwahati, April signifies the beginning of the summer season. The heat becomes progressively prominent, and the city dances under the vibrant hues of the warmer weather spectrum. Concurrently, the monsoon gears up, revealing a monthly pattern trending towards an increased frequency of rainfall. Weather in April »

The merry month of May introduces Guwahati to soaring temperatures, marking the height of the city's summer. Bracing the increasing humidity and heat becomes part of daily life as the city grapples with the mighty summer sun. As the month progresses, the rainfall pattern further escalates, complementing the escalating summer heat. Weather in May »

June signifies the onset of monsoon in Guwahati, ushering in a period of rejuvenation. The city gets a respite from the scorching summer heat, gradually replaced by an ambiance of heavy showers and cloudy skies. The city undergoes a transformation, with more greenery and cooler surroundings. Weather in June »

July continues the monsoon charm in Guwahati, with the city frequently singing under the rhythm of rain. The humidity and rainfall reach their zenith this month, resulting in an awe-inspiring spectacle of water and greenery. Despite heavy downpours, life in the city progresses undisturbed, embracing the monsoon magic. Weather in July »

The weather scenario in August carries over the monsoon spirit from July in Guwahati. The city echoes the sounds of rain drops hitting the surface, a common melody during this period. Gradually, the extreme wet phase begins to wane, although rainfall remains significantly high. Weather in August »

September in Guwahati carries the essence of the fading monsoon, leaving behind a remnants of the wet season. The city witnesses a marked decrease in rainfall, yet enjoys a significant share of the monsoon showers. The bustling monsoon greenery persists, aided by the dwindling showers and stabilizing temperature. Weather in September »

October greets Guwahati with the pleasant whispers of autumn, signaling a transition towards milder weather conditions. The city bids farewell to the harsh monsoon, welcoming a phase of clearer skies and cooler air. As the month advances, the rainfall pattern experiences a significant reduction, inducing a relief from the extensive wet periods. Weather in October »

November in Guwahati is synonymous with pleasant weather and awaited festivities. The city enjoys a much needed respite from the earlier sweltering heat and relentless rains. As the remnants of monsoon bid adieu, the lower temperatures and drier climate prevail, reinstating the city's vivacious spirit. Weather in November »

December brings a chilling farewell to the year in Guwahati, marking the advent of winter. The city experiences a considerable drop in temperatures, concluding the cycle of changing weathers. The rainfall pattern reaches its nadir, capping the wet season and opening the floor to misty mornings and colder nights. Weather in December »