Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Negombo, Sri Lanka, is a tropical winter month, with average temperature ranging between min 22.8°C (73°F) and max 30.8°C (87.4°F). In January, the average high-temperature is essentially the same as in December - a hot 30.8°C (87.4°F). Weather in January »
Weather in February
The last month of the winter, February, is another tropical month in Negombo, Sri Lanka, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 23.1°C (73.6°F). In Negombo, Sri Lanka, the average high-temperature in February is relatively the same as in January - a still tropical 31.7°C (89.1°F). Weather in February »
Weather in March
March, the first month of the spring, in Negombo, is still a tropical month, with average temperature fluctuating between 24.5°C (76.1°F) and 32.1°C (89.8°F). The warmest month is March, with an average high-temperature of 32.1°C (89.8°F) and an average low-temperature of 24.5°C (76.1°F). In March, the average heat index is estimated at a blistering 42.6°C (108.7°F). Weather in March »
Weather in April
April, like March, is another tropical spring month in Negombo, Sri Lanka, with average temperature ranging between min 26°C (78.8°F) and max 32°C (89.6°F). In Negombo, the average high-temperature is relatively the same as in March - a still tropical 32°C (89.6°F). Weather in April »
Weather in May
May, the last month of the spring, in Negombo, is another tropical month, with average temperature ranging between min 26.4°C (79.5°F) and max 30.8°C (87.4°F). In Negombo, the average high-temperature in May is essentially the same as in April - a still tropical 30.8°C (87.4°F). Weather in May »
Weather in June
June, the first month of the summer, in Negombo, is also a moderately hot month, with temperature in the range of an average low of 25.9°C (78.6°F) and an average high of 29.6°C (85.3°F). In Negombo, the average high-temperature is almost the same as in May - a warm 29.6°C (85.3°F). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Negombo, Sri Lanka, with average temperature ranging between max 29.2°C (84.6°F) and min 25.5°C (77.9°F). July is the coldest month, with an average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 25.5°C (77.9°F). The average heat index is estimated at a very hot 35.8°C (96.4°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Negombo, Sri Lanka, with temperature in the range of an average low of 25.4°C (77.7°F) and an average high of 29.3°C (84.7°F). In Negombo, the average high-temperature in August is relatively the same as in July - a still moderately hot 29.3°C (84.7°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Negombo, Sri Lanka, with average temperature varying between 25.2°C (77.4°F) and 29.5°C (85.1°F). In Negombo, Sri Lanka, the average high-temperature is essentially the same as in August - a still moderately hot 29.5°C (85.1°F). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Negombo, Sri Lanka, with temperature in the range of an average low of 25.1°C (77.2°F) and an average high of 29.9°C (85.8°F). In Negombo, the average high-temperature is almost the same as in September - a still warm 29.9°C (85.8°F). Weather in October »
Weather in November
November, the last month of the autumn, in Negombo, is a tropical month, with average temperature fluctuating between 24.5°C (76.1°F) and 30.2°C (86.4°F). In November, the average high-temperature is practically the same as in October - a tropical 30.2°C (86.4°F). Weather in November »
Weather in December
December, the first month of the winter, in Negombo, is also a moderately hot month, with average temperature fluctuating between 29.9°C (85.8°F) and 23.7°C (74.7°F). In Negombo, Sri Lanka, the average high-temperature in December is essentially the same as in November - a warm 29.9°C (85.8°F). Weather in December »
[Resources]FAQ
What is the least humid month in Negombo?
January and February, with an average relative humidity of 73%, are the least humid months.
How much does it rain in Negombo?
In Negombo, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.
What is the driest month in Negombo?
January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 29mm (1.14") of precipitation.
What are the months with the most sunshine in Negombo?
January through April, with an average of 9.2h of sunshine, are months with the most sunshine.
What are the months with the highest UV index in Negombo?
Months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.
What is the warmest month in Negombo?
With an average high-temperature of 32.1°C (89.8°F) and an average low-temperature of 24.5°C (76.1°F), March is the warmest month in Negombo, Sri Lanka.
When is the sea warmest in Negombo?
With an average sea temperature of 29.7°C (85.5°F), April is the month with the warmest seawater.
When are the longest days in Negombo?
May through July, with an average of 12.5h of daylight, are months with the longest days in Negombo.
What is the month with the lowest UV index in Negombo?
Months with the lowest UV index in Negombo are May, June, August and October, with an average maximum UV index of 6.
What is the most humid month in Negombo?
Months with the highest humidity in Negombo, Sri Lanka, are June through August, with an average relative humidity of 82%.
What is the wettest month in Negombo?
June is the month with the most rainfall in Negombo, Sri Lanka. Rain falls for 27.6 days and accumulates 231mm (9.09") of precipitation.
What is the coldest month in Negombo?
The coldest month in Negombo, Sri Lanka, is July, with an average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 25.5°C (77.9°F).
What is the month with the coldest sea water in Negombo?
August is the month with the coldest seawater in Negombo, with an average sea temperature of 27°C (80.6°F).
What is the month with the least sunshine in Negombo?
November has the least sunshine of the year, with an average of 6.6h of sunshine.
What is the month with the shortest days in Negombo?
The month with the shortest days in Negombo, Sri Lanka, is December, with an average of 11.7h of daylight.
Average temperature
Negombo, Sri Lanka
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure
Negombo, Sri Lanka
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.6mbar - Average pressure in May:
1008.4mbar - Average pressure in June:
1008.4mbar
- Average pressure in July:
1008.5mbar - Average pressure in August:
1008.8mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
Months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed
Negombo, Sri Lanka
- Average wind speed in January:
16.2km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
9.1km/h - Average wind speed in April:
10km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
18.3km/h
- Average wind speed in July:
17.1km/h - Average wind speed in August:
17km/h - Average wind speed in September:
16km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
10.3km/h - Average wind speed in December:
14.1km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity
Negombo, Sri Lanka
Months with the highest relative humidity are June, July and August (82%).
Months with the lowest relative humidity are January and February (73%).
Average rainfall
Negombo, Sri Lanka
- Average rainfall in January:
29mm - Average rainfall in February:
36mm - Average rainfall in March:
55mm - Average rainfall in April:
112mm - Average rainfall in May:
204mm - Average rainfall in June:
231mm
- Average rainfall in July:
177mm - Average rainfall in August:
210mm - Average rainfall in September:
153mm - Average rainfall in October:
224mm - Average rainfall in November:
174mm - Average rainfall in December:
139mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days
Negombo, Sri Lanka
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
23.4 days - Average rainfall days in May:
26.3 days - Average rainfall days in June:
27.6 days
- Average rainfall days in July:
27.7 days - Average rainfall days in August:
28.4 days - Average rainfall days in September:
24.4 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
23.3 days - Average rainfall days in December:
20.3 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average sea temperature
Negombo, Sri Lanka
The best month for swimming (with the highest average sea temperature) is April (29.7°C).
The coldest month (with the lowest average sea temperature) is August (27°C).
Average daylight / Average sunshine
Negombo, Sri Lanka
- Average daylight in January:
11.8h - Average daylight in February:
11.9h - Average daylight in March:
12.1h - Average daylight in April:
12.3h - Average daylight in May:
12.5h - Average daylight in June:
12.5h
Months with the longest days are May, June and July (Average daylight: 12.5h).
The month with the shortest days is December (Average daylight: 11.7h).
Months with the most sunshine are January, February, March and April (Average sunshine: 9.2h).
The month with the least sunshine is November (Average sunshine: 6.6h).
Average sunshine days
Negombo, Sri Lanka
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
10.4 days - Average sunshine days in April:
4.6 days - Average sunshine days in May:
3.6 days - Average sunshine days in June:
1.7 days
- Average sunshine days in July:
2.1 days - Average sunshine days in August:
1.2 days - Average sunshine days in September:
3 days - Average sunshine days in October:
3.3 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index
Negombo, Sri Lanka
Months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
Months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Negombo, Sri Lanka
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility
Negombo, Sri Lanka
Months with the highest visibility are January, February, March, April, June, July, September and December (10km).
Months with the lowest visibility are May, August, October and November (9km).
