Climate Insights for Maharagama

Colombo District, Western Province, Sri Lanka

Hottest
February
32°C peak
Coldest
January
23°C low
Wettest
November
393mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Maharagama is hot. The average annual temperature is 27°C and approximately 2752mm of precipitation falls per year. Maharagama receives a notable amount of rainfall throughout the year, including during its driest month. Maharagama sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 27° Min: 23° Feb Max: 32° Average: 28° Min: 24° Mar Max: 32° Average: 28° Min: 25° Apr Max: 32° Average: 28° Min: 25° May Max: 31° Average: 28° Min: 26° Jun Max: 30° Average: 28° Min: 26° Jul Max: 30° Average: 27° Min: 25° Aug Max: 30° Average: 27° Min: 25° Sep Max: 30° Average: 27° Min: 25° Oct Max: 30° Average: 27° Min: 24° Nov Max: 30° Average: 26° Min: 24° Dec Max: 31° Average: 27° Min: 23°
Max
Average
Min

Maharagama has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 23°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 117mm Feb Precipitation: 72mm Mar Precipitation: 124mm Apr Precipitation: 176mm May Precipitation: 378mm Jun Precipitation: 273mm Jul Precipitation: 212mm Aug Precipitation: 227mm Sep Precipitation: 252mm Oct Precipitation: 341mm Nov Precipitation: 393mm Dec Precipitation: 186mm
Precipitation

Maharagama is a very wet location, receiving approximately 2752mm of precipitation annually, which averages out to around 229mm per month. The wettest month is November, averaging 393mm of rainfall. May and October also tend to see above-average precipitation. The driest month is February, with just 72mm. That's 321mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 7km/h Feb Wind Speed: 6km/h Mar Wind Speed: 6km/h Apr Wind Speed: 6km/h May Wind Speed: 10km/h Jun Wind Speed: 11km/h Jul Wind Speed: 11km/h Aug Wind Speed: 11km/h Sep Wind Speed: 10km/h Oct Wind Speed: 8km/h Nov Wind Speed: 7km/h Dec Wind Speed: 7km/h
Wind Speed

Maharagama is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 7km/h in spring, 11km/h in summer, 8km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Winter

It is currently autumn in Maharagama, which began on September 23, 2026. Maharagama sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in February at around 32°C, while the coldest stretch bottoms out in January near 23°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 679mm across the season with a monthly average of 226mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 712mm across the season with a monthly average of 237mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 986mm across the season with a monthly average of 329mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 375mm across the season with a monthly average of 125mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Maharagama based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
23 °C
31 °C
7 km/h
117 mm
0 cm
Feb
24 °C
32 °C
6 km/h
72 mm
0 cm
Mar
25 °C
32 °C
6 km/h
124 mm
0 cm
Apr
25 °C
32 °C
6 km/h
176 mm
0 cm
May
26 °C
31 °C
10 km/h
378 mm
0 cm
Jun
26 °C
30 °C
11 km/h
273 mm
0 cm
Jul
25 °C
30 °C
11 km/h
212 mm
0 cm
Aug
25 °C
30 °C
11 km/h
227 mm
0 cm
Sep Current
25 °C
30 °C
10 km/h
252 mm
0 cm
Oct
24 °C
30 °C
8 km/h
341 mm
0 cm
Nov
24 °C
30 °C
7 km/h
393 mm
0 cm
Dec
23 °C
31 °C
7 km/h
186 mm
0 cm
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Metric (°C, km/h)