Climate and monthly weather forecastNittambuwa, Sri Lanka
Climate and monthly weather forecast
Weather in January
January in Nittambuwa, Sri Lanka, is a hot winter month, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 30.8°C (87.4°F). January's advent denotes a minor fluctuation in the average high-temperature to a tropical 30.8°C (87.4°F) from December's 29.9°C (85.8°F). Weather in January »Weather in February
The last month of the winter, February, is another tropical month in Nittambuwa, Sri Lanka, with an average temperature ranging between max 31.7°C (89.1°F) and min 23.1°C (73.6°F). The average high-temperature is a still hot 31.7°C (89.1°F) in February, hardly different from the 30.8°C (87.4°F) recorded in January. Weather in February »Weather in March
March, the first month of the spring in Nittambuwa, is still a tropical month, with an average temperature varying between 32.1°C (89.8°F) and 24.5°C (76.1°F). The average temperatures reach their apex in March, averaging 32.1°C (89.8°F) at the high end and 24.5°C (76.1°F) at the low end. The heat index for March is calculated to be a blistering 43°C (109.4°F). Weather in March »Weather in April
April, like March, is another hot spring month in Nittambuwa, Sri Lanka, with temperature in the range of an average high of 32°C (89.6°F) and an average low of 26°C (78.8°F). Nittambuwa's April reports an average high-temperature of a still tropical 32°C (89.6°F), exhibiting a minor difference from March. Weather in April »Weather in May
May, the last month of the spring in Nittambuwa, is another hot month, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 26.4°C (79.5°F). Nittambuwa, Sri Lanka, signifies an average high-temperature of a still hot 30.8°C (87.4°F) in May, closely mirroring the 32°C (89.6°F) of April. Weather in May »Weather in June
June, the first month of the summer in Nittambuwa, is still a warm month, with an average temperature ranging between min 25.9°C (78.6°F) and max 29.6°C (85.3°F). The onset of June notes an average high-temperature of a warm 29.6°C (85.3°F), subtly shifted from May's 30.8°C (87.4°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Nittambuwa, Sri Lanka, with an average temperature ranging between max 29.2°C (84.6°F) and min 25.5°C (77.9°F). July, marked by an average high-temperature of 29.2°C (84.6°F) and a low-temperature of 25.5°C (77.9°F), is the coldest month. July's average heat index is calculated to be a sweltering 36°C (96.8°F). Weather in July »Weather in August
August, the last month of the summer in Nittambuwa, is another warm month, with an average temperature ranging between max 29.3°C (84.7°F) and min 25.4°C (77.7°F). The advent of August brings an average high-temperature of a still moderately hot 29.3°C (84.7°F), almost identical to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Nittambuwa, Sri Lanka, with an average temperature fluctuating between 29.5°C (85.1°F) and 25.2°C (77.4°F). September's commencement is accompanied by an average high-temperature of a still warm 29.5°C (85.1°F), diverging marginally from August's 29.3°C (84.7°F). Weather in September »Weather in October
October, like September, in Nittambuwa, Sri Lanka, is a moderately hot autumn month, with an average temperature ranging between min 25.1°C (77.2°F) and max 29.9°C (85.8°F). The average high-temperature during October is a still warm 29.9°C (85.8°F), almost matching the conditions of the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Nittambuwa, is a hot month, with temperature in the range of an average high of 30.2°C (86.4°F) and an average low of 24.5°C (76.1°F). In November, the average high-temperature registers at a hot 30.2°C (86.4°F), nearly identical to October's 29.9°C (85.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Nittambuwa, Sri Lanka, with an average temperature varying between 23.7°C (74.7°F) and 29.9°C (85.8°F). The arrival of December sees a recorded average high-temperature of a moderately hot 29.9°C (85.8°F), showing little divergence from the previous month's conditions. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Nittambuwa, 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
Nittambuwa, 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).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed
Nittambuwa, 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
Nittambuwa, Sri Lanka
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall
Nittambuwa, 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
Nittambuwa, 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 daylight / Average sunshine
Nittambuwa, Sri Lanka
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 30min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 48min - Average daylight in December:
11h and 42min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
9h and 12min - Average sunshine in February:
9h and 12min - Average sunshine in March:
9h and 12min - Average sunshine in April:
9h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
7h and 30min - Average sunshine in September:
7h and 42min - Average sunshine in October:
7h and 48min - Average sunshine in November:
6h and 36min - Average sunshine in December:
7h and 0min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days
Nittambuwa, 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
Nittambuwa, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Nittambuwa, 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
Nittambuwa, Sri Lanka
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).





