When is the best time to go to Chilaw
The chart above shows the best time of year to visit Chilaw, Sri Lanka. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Chilaw
Chilaw weather by month
Please note our recommendations for when to visit Chilaw are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 44mm | 8.1hrs | 12.5hrs | 27°C |
Hot, humid and reasonably dry weather often prevails in Chilaw during the month of January
It is perhaps the perfect month to visit Chilaw, with some inordinately good weather at this time of year.
January is in the winter in Chilaw and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 21°C (70°F) is normal.
On average January is the driest month of the year in Chilaw with around 44mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 58mm | 8.8hrs | 12.6hrs | 28°C |
February in Chilaw is generally reasonably dry with the temperature being hot.
It is perhaps the perfect month to visit Chilaw, with some inordinately good weather at this time of year.
February is in the winter in Chilaw and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (71°F) is normal.
On average February is the 2nd driest month of the year in Chilaw with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 30°C | 109mm | 9.2hrs | 12.8hrs | 29°C |
The weather in March in Chilaw is characteristically very hot, humid and damp.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Chilaw.
March is in the spring in Chilaw and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 23°C (74°F) is normal.
On average March is the 3rd driest month of the year in Chilaw with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 30°C | 217mm | 8.2hrs | 13hrs | 30°C |
Chilaw's weather in April is typically very hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
April is in the spring in Chilaw and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 24°C (76°F) is normal.
On average April is the 4th driest month of the year in Chilaw with around 217mm 8.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 209mm | 7hrs | 13.2hrs | 29°C |
May is a very wet, humid month in Chilaw and the temperature is generally very hot.
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
May is in the spring in Chilaw and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 25°C (78°F) is normal.
On average May is the 5th driest month of the year in Chilaw with around 209mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 92mm | 6.5hrs | 12.5hrs | 28°C |
The climate in Chilaw during June can be summarized as very hot, humid and a little damp.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Chilaw.
June is in the summer in Chilaw and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 26°C (78°F) is normal.
On average June is the 6th driest month of the year in Chilaw with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 61mm | 6.5hrs | 12.6hrs | 27°C |
July in Chilaw is generally reasonably dry with the temperature being very hot.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Chilaw.
July is in the summer in Chilaw and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.
On average July is the 6th wettest month of the year in Chilaw with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 43mm | 6.8hrs | 12.8hrs | 27°C |
The weather in August in Chilaw is characteristically very hot, humid and reasonably dry.
It is perhaps the perfect month to visit Chilaw, with some extremely good weather at this time of year.
August is in the summer in Chilaw and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.
On average August is the 5th wettest month of the year in Chilaw with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 122mm | 6.6hrs | 13hrs | 27°C |
Chilaw's weather in September is typically very hot, humid and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
September is in the fall / autumn in Chilaw and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.
On average September is the 4th wettest month of the year in Chilaw with around 122mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 314mm | 6.7hrs | 13.2hrs | 28°C |
October is a very wet, humid month in Chilaw and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
October is in the fall / autumn in Chilaw and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
On average October is the 3rd wettest month of the year in Chilaw with around 314mm 12.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 272mm | 6.8hrs | 12.5hrs | 28°C |
Hot, humid and very wet weather often prevails in Chilaw during the month of November
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Chilaw and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
On average November is the 2nd wettest month of the year in Chilaw with around 272mm 10.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 149mm | 7hrs | 12.6hrs | 28°C |
December in Chilaw is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Chilaw for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Chilaw and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
On average December is the wettest month of the year in Chilaw with around 149mm 5.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
Other monthly averages
Chilaw weather stats
| Hottest month: | May | 31.9°C 89.4°F |
|---|---|---|
| Driest month: | August | 43mm 1.7ins |
| Sunniest month: | March | 9.2hrs |
| Coldest month: | January | 30.7°C 87.3°F |
| Wettest month: | October | 314mm 12.4ins |
| Warmest sea: | April | 29.8°C 85.6°F |
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