Climate and monthly weather forecastNonagama, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Nonagama, Sri Lanka, with an average temperature varying between 23.9°C (75°F) and 29.2°C (84.6°F). With January's arrival, Nonagama notes an average high-temperature of a still moderately hot 29.2°C (84.6°F), closely following the trend of the preceding month. Weather in January »Weather in February
February, the last month of the winter in Nonagama, is another warm month, with an average temperature fluctuating between 29.7°C (85.5°F) and 24.3°C (75.7°F). The arrival of February is marked by an average high-temperature of a still moderately hot 29.7°C (85.5°F), bearing a close resemblance to January. Weather in February »Weather in March
March, the first month of the spring in Nonagama, is a tropical month, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 24.9°C (76.8°F). The arrival of March records an average high-temperature of a hot 30.4°C (86.7°F), closely related to the 29.7°C (85.5°F) observed in February. Weather in March »Weather in April
April, like March, is a hot spring month in Nonagama, Sri Lanka, with an average temperature varying between 31.1°C (88°F) and 26°C (78.8°F). With average high temperatures of 31.1°C (88°F) and lows of 26°C (78.8°F), April is the warmest month. April's average heat index is computed to be a scorching 40°C (104°F). Weather in April »Weather in May
May, the last month of the spring in Nonagama, is also a hot month, with temperature in the range of an average low of 26.7°C (80.1°F) and an average high of 30.8°C (87.4°F). Stepping into May, Nonagama records an average high-temperature of a still hot 30.8°C (87.4°F), almost consistent with April. Weather in May »Weather in June
June, the first month of the summer in Nonagama, is also a hot month, with an average temperature ranging between min 26.6°C (79.9°F) and max 30.6°C (87.1°F). With the start of June, Nonagama measures an average high-temperature of a still hot 30.6°C (87.1°F), not significantly differing from May's 30.8°C (87.4°F). Weather in June »Weather in July
July, like June, is a hot summer month in Nonagama, Sri Lanka, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 26.3°C (79.3°F). The commencement of July notes an average high-temperature of a still hot 30.7°C (87.3°F), exhibiting little difference from the previous month. Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Nonagama, Sri Lanka, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 30.4°C (86.7°F). Nonagama notes an average high-temperature of a still hot 30.4°C (86.7°F) in August, displaying minor variation from July. Weather in August »Weather in September
September, the first month of the autumn in Nonagama, is still a hot month, with an average temperature ranging between min 26°C (78.8°F) and max 30.1°C (86.2°F). The commencement of September brings an average high-temperature of a still hot 30.1°C (86.2°F), marking an inconsequential divergence from August. Weather in September »Weather in October
October, the same as September, in Nonagama, Sri Lanka, is a hot autumn month, with an average temperature ranging between max 30°C (86°F) and min 25.9°C (78.6°F). Transitioning from September to October, Nonagama observes an average high-temperature of a still hot 30°C (86°F), differing subtly from the previous month. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Nonagama, Sri Lanka, with an average temperature varying between 29.2°C (84.6°F) and 25.3°C (77.5°F). In the transition from October to November, Nonagama reports an average high-temperature of a warm 29.2°C (84.6°F), indicating a close resemblance to the prior month. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Nonagama, Sri Lanka, with an average temperature fluctuating between 29°C (84.2°F) and 24.5°C (76.1°F). December is the coldest month, with the temperature often reaching an average high of 29°C (84.2°F) and an average low of 24.5°C (76.1°F). For December, the heat index is computed to be a sweltering 35°C (95°F). Weather in December »Updated: Aug 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 192.9 rainfall days, and 942mm (37.09") of precipitation is accumulated.
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7.
Temperature readings reach their annual highs in April, averaging 31.1°C (88°F) and a minimum average of 26°C (78.8°F).
The month with the longest days is June, with an average of 12h and 30min of daylight.
June has the most sunshine of the year, with an average of 11.3h of sunshine.
With an average relative humidity of 74%, July is the least humid month in Nonagama.
July is the month with the least rainfall. Rain falls for 10.6 days and accumulates 16mm (0.63") of precipitation.
With an average maximum UV index of 6, October is the month with the lowest UV index.
The months with the highest humidity are November and December, with an average relative humidity of 79%.
November is the month with the most rainfall. Rain falls for 25.3 days and accumulates 182mm (7.17") of precipitation.
Nonagama experiences its average lowest temperatures in December, reaching a peak of 29°C (84.2°F) and a minimum of 24.5°C (76.1°F).
The month with the shortest days is December, with an average of 11h and 48min of daylight.
Nonagama does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 6.6h of sunshine.
Average temperature
Nonagama, Sri Lanka
The warmest month (with the highest average high temperature) is April (31.1°C).
The month with the lowest average high temperature is December (29°C).
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (23.9°C).
Average pressure
Nonagama, Sri Lanka
- Average pressure in January:
1011.5mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.8mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.7mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1010mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is January (1011.5mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed
Nonagama, Sri Lanka
- Average wind speed in January:
16.7km/h - Average wind speed in February:
17.3km/h - Average wind speed in March:
13.3km/h - Average wind speed in April:
12km/h - Average wind speed in May:
21.4km/h - Average wind speed in June:
26.4km/h
- Average wind speed in July:
26.3km/h - Average wind speed in August:
26.1km/h - Average wind speed in September:
23.5km/h - Average wind speed in October:
16.8km/h - Average wind speed in November:
11.7km/h - Average wind speed in December:
14.4km/h
The windiest month (with the highest average wind speed) is June (26.4km/h).
The calmest month (with the lowest average wind speed) is November (11.7km/h).
Average humidity
Nonagama, Sri Lanka
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall
Nonagama, Sri Lanka
The wettest month (with the highest rainfall) is November (182mm).
The driest month (with the least rainfall) is July (16mm).
Average rainfall days
Nonagama, Sri Lanka
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
22.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
10.6 days - Average rainfall days in August:
11 days - Average rainfall days in September:
14.4 days - Average rainfall days in October:
22.5 days - Average rainfall days in November:
25.3 days - Average rainfall days in December:
20.1 days
The month with the highest number of rainy days is November (25.3 days).
The month with the least rainy days is July (10.6 days).
Average daylight / Average sunshine
Nonagama, 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 24min - 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 48min
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 48min).
- Average sunshine in January:
9h and 12min - Average sunshine in February:
9h and 12min - Average sunshine in March:
9h and 24min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
9h and 36min - Average sunshine in September:
10h and 42min - Average sunshine in October:
8h and 30min - Average sunshine in November:
7h and 54min - Average sunshine in December:
6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Nonagama, Sri Lanka
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
4.7 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
17.2 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
7 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
9.2 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is November (3.6 days).
Average UV index
Nonagama, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).
Average cloud cover
Nonagama, Sri Lanka
The month with the most cloud cover is November (Cloud cover 40).
The month with the least cloud cover is March (Cloud cover 21).
Average visibility
Nonagama, Sri Lanka
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
