Climate Insights for Horawala Junction

Kalutara District, Western Province, Sri Lanka

Hottest
March
32°C peak
Coldest
January
22°C low
Wettest
November
410mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Horawala Junction is hot. The average annual temperature is 26°C and approximately 2879mm of precipitation falls per year. Horawala Junction receives a notable amount of rainfall throughout the year, including during its driest month. Horawala Junction 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: 30° Average: 26° Min: 22° Feb Max: 31° Average: 26° Min: 22° Mar Max: 32° Average: 27° Min: 23° Apr Max: 32° Average: 27° Min: 24° May Max: 30° Average: 27° Min: 24° Jun Max: 30° Average: 27° Min: 24° Jul Max: 29° Average: 26° Min: 24° Aug Max: 29° Average: 26° Min: 24° Sep Max: 29° Average: 26° Min: 24° Oct Max: 29° Average: 26° Min: 23° Nov Max: 30° Average: 26° Min: 23° Dec Max: 30° Average: 26° Min: 22°
Max
Average
Min

Horawala Junction has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is March, when average highs reach 32°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 22°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 159mm Feb Precipitation: 96mm Mar Precipitation: 141mm Apr Precipitation: 206mm May Precipitation: 380mm Jun Precipitation: 251mm Jul Precipitation: 217mm Aug Precipitation: 231mm Sep Precipitation: 258mm Oct Precipitation: 323mm Nov Precipitation: 410mm Dec Precipitation: 207mm
Precipitation

Horawala Junction is a very wet location, receiving approximately 2879mm of precipitation annually, which averages out to around 240mm per month. The wettest month is November, averaging 410mm of rainfall. May and October also tend to see above-average precipitation. The driest month is February, with just 96mm. That's 314mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 5km/h May Wind Speed: 7km/h Jun Wind Speed: 9km/h Jul Wind Speed: 10km/h Aug Wind Speed: 9km/h Sep Wind Speed: 8km/h Oct Wind Speed: 6km/h Nov Wind Speed: 5km/h Dec Wind Speed: 5km/h
Wind Speed

Horawala Junction is relatively calm, with an average annual wind speed of 6km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 6km/h in spring, 9km/h in summer, 7km/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 Horawala Junction, which began on September 23, 2026. Horawala Junction sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 32°C, while the coldest stretch bottoms out in January near 22°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 728mm across the season with a monthly average of 243mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 699mm across the season with a monthly average of 233mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 991mm across the season with a monthly average of 330mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 462mm across the season with a monthly average of 154mm. Winds are generally light, averaging 4km/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 Horawala Junction 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
22 °C
30 °C
4 km/h
159 mm
0 cm
Feb
22 °C
31 °C
4 km/h
96 mm
0 cm
Mar
23 °C
32 °C
4 km/h
141 mm
0 cm
Apr
24 °C
32 °C
5 km/h
206 mm
0 cm
May
24 °C
30 °C
7 km/h
380 mm
0 cm
Jun
24 °C
30 °C
9 km/h
251 mm
0 cm
Jul
24 °C
29 °C
10 km/h
217 mm
0 cm
Aug
24 °C
29 °C
9 km/h
231 mm
0 cm
Sep Current
24 °C
29 °C
8 km/h
258 mm
0 cm
Oct
23 °C
29 °C
6 km/h
323 mm
0 cm
Nov
23 °C
30 °C
5 km/h
410 mm
0 cm
Dec
22 °C
30 °C
5 km/h
207 mm
0 cm
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Metric (°C, km/h)