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Kottayam climate by month
What the weather is like
Kottayam has a tropical monsoon climate (Köppen Am): .
The warmest month is March, when afternoons average 35° and nights 24°. July is the coolest month, with highs of 28° and lows of 23°. The difference between the warmest and the coolest month is about 4°, a small seasonal swing typical of places tempered by the sea.
About 3,246 mm of precipitation falls in an average year. July is the wettest month (576 mm, 30 wet days) and February the driest (29 mm, 3 wet days). Cloud cover ranges from 19% in February to 73% in July.
The sea reaches about 30° in April. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with New Delhi, the capital, Kottayam is 5.5° warmer on a March afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 35° · March
- Coldest nights
- 21° · January
- Wettest month
- July
- Driest month
- February
- Clearest skies
- February · 19% cloud
- Warmest sea
- 30° · April
- Longest day
- 12 h 41 min
- Shortest day
- 11 h 34 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 32° | 34° | 35° | 33° | 31° | 29° | 28° | 28° | 29° | 29° | 29° | 30° |
| Average low | 21° | 23° | 24° | 25° | 24° | 24° | 23° | 23° | 23° | 23° | 22° | 21° |
| Precipitation | 18 mm | 29 mm | 56 mm | 149 mm | 301 mm | 690 mm | 576 mm | 437 mm | 353 mm | 391 mm | 206 mm | 40 mm |
| Wet days (≥1 mm) | 5.7 | 2.5 | 12.5 | 20.2 | 26.2 | 28.2 | 29.5 | 24.8 | 25.5 | 27.2 | 23 | 13 |
| Cloud cover | 25% | 19% | 20% | 38% | 53% | 71% | 73% | 69% | 59% | 58% | 49% | 31% |
| Sea temperature | 28° | 29° | 29° | 30° | 30° | 28° | 27° | 27° | 27° | 28° | 29° | 29° |
| Daylight | 11h 37 | 11h 49 | 12h 04 | 12h 20 | 12h 33 | 12h 41 | 12h 38 | 12h 27 | 12h 11 | 11h 55 | 11h 41 | 11h 34 |
| Month score | 58 | 57 | 29 | 30 | 32 | 34 | 35 | 36 | 39 | 38 | 42 | 48 |