Climate and monthly weather forecast
Ooty, India

Deriving its weather patterns from its geographical position, Ooty operates under a Tropical wet and dry or savanna climate, classified as Aw under the Köppen climate classification. This designation reflects the fluctuations in the various climatological parameters throughout the year. An examination of the monthly averages evidences a climate teeming with variability.

Throughout the year, Ooty experiences a moderate fluctuation in temperatures, though remaining favourable to visitors accustomed to moderate weather. The highest monthly average temperature peaks at 22.6°C (72.7°F), while the lowest monthly average temperature rounds off to 5.6°C (42.1°F). The daylight spans broadly between 11.5 hours to the maximum 12.8 hours in mid-year.

Rainfall presents an intriguing dichotomy. Ooty saw its highest amount of rainfall, measuring at 189mm (7.44"), while Novermber records the least amount of rainfall at 10mm (0.39"). The number of rainfall days demonstrate a similar pattern, with a peak at 11 days and a minimum of one day. This suggests a dry period exists within this predominately wet climate.

The amount of daily sunshine Ooty receives ranges modestly, the maximum being 8 hours and the minimum being 4 hours. Despite this modest range, this parameter shifts significantly, noticeably during the winter months. The UV index holds steady at 12 for the majority of the year, dipping slightly to 10 in December.

Considering the climatological calculations of Ooty, the most conducive period to visit would invariably fall during the months of November to February. The lower rainfall during these months, with the amount ranging from 10mm (0.39") to 53mm (2.09"), combined with the lower UV index signify a more pleasant and safer time for outdoor activities.

Correspondingly, the months from May to September record the highest rainfall, with the quantity fluctuating between 124mm (4.88") and 189mm (7.44"), along with maximum rainfall days ranging from 8 to 11. This period experiences higher humidity and less sunshine, ranging from 4 to 5 hours daily. Hence, this duration might not be recommended for travellers looking for more outdoor activities.

As spring arrives in Ooty, the area observes a gradual climb in temperatures, the highs ranging from 20.3°C (68.5°F) to 22.6°C (72.7°F) and the lows shifting between 5.6°C (42.1°F) and 10.7°C (51.3°F). A notable increase in rainfall occurs during this period, as it escalates from 10mm (0.39") in February to 75mm (2.95") in April. This period signifies the pre-monsoon season, with an increased amount of rainfall days from 1 to 5.

The summer season from May to August in Ooty holds the title of the wettest time of the year. During this time, the rainfall readings peak to an average of 181mm (7.13"), with a high number of rainy days. Temperatures hover between 18.3°C (64.9°F) to 22°C (71.6°F) with the daily sunshine averaging to about 4 hours.

During the autumn months, Ooty witnesses a slight drop in temperatures, fluctuating between 16.9°C (62.4°F) to 18.8°C (65.8°F). Rainfall remains substantially high, though gradually decreases from 135mm (5.31") in September to 140mm (5.51") in November, signifying the onset of a drying out period.

Winter in Ooty sees temperatures ranging from 18.7°C (65.7°F) to 19.7°C (67.5°F), slightly decreasing to the low of 6.7°C (44.1°F) in December. The rainfall drastically drops from 53mm (2.09") in December, marking the beginning of the dry season. This period also gifts Ooty with extended sunshine hours, surging from 6 hours to 7 hours in December, providing comfort for winter explorations.

January brings a cool allure to Ooty, India with temperatures ranging from 5.6°C (42.1°F) to 20.3°C (68.5°F). Winters are in full swing, making it a favorite among those who enjoy the chillier atmosphere. The frosty weather is balanced by 11.5 hours of daylight and 8 hours of sunshine. Weather in January »

February sees a small increase in temperature from the previous month, with a range from 6.5°C (43.7°F) to 20.9°C (69.6°F) in Ooty, India. Although winter gradually eases, cool temperatures continue to mark the months charm. Weather in February »

March shows a transition to slightly warmer weather in Ooty; temperatures shift from 8.8°C (47.8°F) to 22.2°C (72°F). As spring starts to settle, rainfall becomes more prominent with monthly averages of 26mm (1.02"). The daylight extends to 12.1 hours, harmonizing with 8 hours of sunshine. Weather in March »

April introduces a wetter climate in Ooty with a significant increase in rainfall to 75mm (2.95"). Even though temperatures show a modest rise from 10.7°C (51.3°F) to 22.6°C (72.7°F), this shift does not deter the tranquility brought by March's end. Weather in April »

May brings the highest rainfall for the year in Ooty, India with a substantial amount of 148mm (5.83"). In spite of this, temperatures remain mostly pleasant, fluctuating from 11.4°C (52.5°F) to 22°C (71.6°F). Longer daylight hours, lasting 12.6 hours, extend the sunshine by an additional hour. Weather in May »

Entering June, the rainfall decreases slightly for Ooty but remains relatively high, registering 137mm (5.39"). From the warmth of 22°C (71.6°F) at the beginning of May, temperatures drop to 18.3°C (64.9°F), the lowest maximum of the year, signifying the onset of the monsoon. Weather in June »

Monsoon wonderfully accentuates the charm of Ooty in July, with rainfall peaking at 181mm (7.13"). This is the wettest month of the year, which sees temperatures coolly ranging between 11°C (51.8°F) and 16.9°C (62.4°F). The onset of the monsoon is welcomed not only with open umbrellas but also with open hearts given the 12.7 hours of daylight. In Ooty, India, the lowest temperatures are generally noted in July, averaging a high of 16.9°C (62.4°F) and a low of 11°C (51.8°F). Weather in July »

Ooty witnesses a drop in rainfall during August, recording 124mm (4.88"), but still retains the monsoon season's essence. Temperatures see a minor rise from 16.9°C (62.4°F) to 17.4°C (63.3°F), marking a gradual transition towards the end of the monsoon. Weather in August »

The monsoon gradually retreats in September, allowing temperatures to toggle between 10.4°C (50.7°F) and 18.5°C (65.3°F) in Ooty. Although the rainfall reduces to 135mm (5.31"), its legacy of amplified greenery remains in the cityscape. Weather in September »

With October comes an eminent shift in the Ooty weather as temperatures vary from 10.1°C (50.2°F) to 18.8°C (65.8°F). Rainfall further descends to 189mm (7.44"), bridging the monsoon and winter, which is around the corner. The clarity in skies coupled with 11.9 hours of daylight offers awe-striking views of the western ghats and the city skyline. With the start of October, Ooty measures an average high-temperature of a still comfortable 18.8°C (65.8°F), not significantly differing from September's 18.5°C (65.3°F). Weather in October »

November sets the stage for the onset of winter in Ooty, with temperatures dropping from 18.7°C (65.7°F) to 8.6°C (47.5°F). The amount of rainfall significantly reduces to 140mm (5.51"), symbolizing the close of the rainy season. Weather in November »

December encapsulates winters in Ooty, India, bringing in the year’s lowest temperature between 6.7°C (44.1°F) and 19.7°C (67.5°F). Rainfall reduces further to 53mm (2.09"), setting a rather dry and cold atmosphere for the city. Weather in December »