Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Kollam, India Average Monthly Weather
Weather score63Good annual avg
Best months: January, February, December
Across the year, average daytime temperatures are around 31°C, sunshine averages 6.6h per day, and rainfall totals about 2682mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
31°C
Rain
2682mm
Annual total
Sun
6.6h
Sea
28°C
Weather score
63
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 317mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Kollam, India with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to May
This stretch sets the upper range for average daytime heat.
Rain
August317mm average rain
August sits near Kollam's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.4 hours average sun
August is below Kollam's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August26°C average sea
August is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaMarch to May and November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August50 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
