Idukki Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Idukki.
Climate overview of Idukki
Idukki, India, has a moderate seasonal temperature range, with March reaching 33°C (91°F) and July cooling to 26°C (79°F).
Rainfall is high, totalling around 2959 mm (116 in) per year. June is the wettest month and January the driest. The city also experiences a distinct rainy season from April to November. The most sunshine falls in March, with an average of 8.3 hours of daily sunshine.
Idukki Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Idukki - and find the best time to visit.
Monthly Temperature in Idukki
The climate in Idukki experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a very warm 33°C (91°F) in March, the warmest time of the year, to a comfortable 26°C (79°F) during cooler months like July.
At night, you can expect temperatures ranging from 22°C (72°F) in March to around 19°C (66°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Idukki
Idukki is known for its substantial rainfall, with annual precipitation reaching 2959 mm (116 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 492 mm (19 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month January brings less rainfall, with 33 mm (1.3 in) over a single rainy day. For more details, please visit our Idukki Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Idukki
Seasonal changes in sunshine hours are quite dramatic in Idukki. While March receives considerable daily sunshine with up to 8.3 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Idukki
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: December
- Warmest weather: February and March
- Most sunshine: January, March and April
- Fewest rainy days: January, February and March
- Seasonal pattern: A distinct rainy season from April to November
Frequently asked questions about the climate in Idukki
What is the best time to visit Idukki?
December typically offers the most optimal weather in Idukki. In contrast, April, May, June, July, August, September, October and November tend to have less optimal conditions. Idukki has a distinct rainy season from April to November.
What temperatures can I expect in Idukki?
Daytime highs range from 26°C (79°F) in July to 33°C (91°F) in March. Nighttime lows range from 19°C (66°F) to 22°C (72°F).
How much rain does Idukki get?
Annual rainfall is around 2959 mm (116 in). June is the wettest month with 492 mm (19 in), while January is the driest with 33 mm (1.3 in).
How sunny is Idukki?
Idukki receives around 2,267 hours of sunshine per year. March is the sunniest month with 249 hours, while June is the cloudiest with just 122 hours. Overall, Idukki enjoys abundant sunshine.
Idukki 3-Day Forecast
Idukki on the map
Idukki is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Jaipur
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31°C (88°F) Bengaluru29°C (84°F) Mumbai
30°C (86°F) Kochi28°C (82°F) 
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