Climate and monthly weather forecastPassara, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Passara, Sri Lanka, with an average temperature varying between 25°C (77°F) and 15.8°C (60.4°F). Passara's January showcases an average high-temperature of a still warm 25°C (77°F), hardly distinct from December's 24.3°C (75.7°F). Weather in January »Weather in February
The last month of the winter, February, is another warm month in Passara, Sri Lanka, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 26°C (78.8°F). Passara's transition from January to February introduces an average high-temperature of a still moderately hot 26°C (78.8°F), marking an insignificant variation from the 25°C (77°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Passara, Sri Lanka, with temperature in the range of an average low of 16.2°C (61.2°F) and an average high of 27.5°C (81.5°F). Passara's average high-temperature in March sits at a still warm 27.5°C (81.5°F), showing little difference from the previous month. Weather in March »Weather in April
April, like March, in Passara, Sri Lanka, is another warm spring month, with an average temperature fluctuating between 27.6°C (81.7°F) and 17.9°C (64.2°F). April is the month when Passara's temperatures reach their peak, with averages of 27.6°C (81.7°F) and lows of 17.9°C (64.2°F). April's mean heat index is computed to be a tropical 32°C (89.6°F). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Passara, Sri Lanka, with an average temperature ranging between max 27.3°C (81.1°F) and min 19.1°C (66.4°F). Passara transitions into May recording an average high-temperature of a still warm 27.3°C (81.1°F), closely aligning with the preceding month's temperature. Weather in May »Weather in June
June, the first month of the summer in Passara, is still a warm month, with an average temperature fluctuating between 27°C (80.6°F) and 19°C (66.2°F). Passara experiences a recorded average high-temperature of a still warm 27°C (80.6°F) in June, closely aligned with May's 27.3°C (81.1°F). Weather in June »Weather in July
July, like June, in Passara, Sri Lanka, is another warm summer month, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 18.6°C (65.5°F). Passara records an average high-temperature of a still warm 27.2°C (81°F) as July arrives, nearly mirroring the previous month's climate. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Passara, Sri Lanka, with an average temperature varying between 27.1°C (80.8°F) and 18.4°C (65.1°F). Passara's shift into August sets the average high-temperature at a still moderately hot 27.1°C (80.8°F), a figure that deviates only slightly from July's 27.2°C (81°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Passara, Sri Lanka, with an average temperature varying between 27.1°C (80.8°F) and 18.7°C (65.7°F). The transition into September marks the average high-temperature at a still warm 27.1°C (80.8°F), identical to August. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Passara, Sri Lanka, with an average temperature varying between 18.1°C (64.6°F) and 26°C (78.8°F). The advent of October observes an average high-temperature of a still moderately hot 26°C (78.8°F), nearly identical to September's 27.1°C (80.8°F). Weather in October »Weather in November
November, the last month of the autumn in Passara, is also a moderately hot month, with an average temperature varying between 17.5°C (63.5°F) and 24.8°C (76.6°F). Passara marks the onset of November with an average high-temperature of a still warm 24.8°C (76.6°F), subtly divergent from October's 26°C (78.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Passara, Sri Lanka, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 24.3°C (75.7°F). December, with its average high-temperature of 24.3°C (75.7°F) and an average low-temperature of 17°C (62.6°F), holds the record as the coldest month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Passara, Sri Lanka
The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).
Average pressure
Passara, Sri Lanka
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.4mbar - Average pressure in June:
1008.3mbar
- Average pressure in July:
1008.4mbar - Average pressure in August:
1008.7mbar - Average pressure in September:
1009.5mbar - Average pressure in October:
1009.8mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed
Passara, Sri Lanka
- Average wind speed in January:
5.2km/h - Average wind speed in February:
4.5km/h - Average wind speed in March:
3.5km/h - Average wind speed in April:
3.3km/h - Average wind speed in May:
6.3km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
8.7km/h - Average wind speed in August:
8.2km/h - Average wind speed in September:
7.1km/h - Average wind speed in October:
4.7km/h - Average wind speed in November:
4.1km/h - Average wind speed in December:
5km/h
The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).
Average humidity
Passara, Sri Lanka
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).
Average rainfall
Passara, Sri Lanka
- Average rainfall in January:
85mm - Average rainfall in February:
158mm - Average rainfall in March:
121mm - Average rainfall in April:
273mm - Average rainfall in May:
290mm - Average rainfall in June:
112mm
- Average rainfall in July:
128mm - Average rainfall in August:
135mm - Average rainfall in September:
182mm - Average rainfall in October:
656mm - Average rainfall in November:
416mm - Average rainfall in December:
228mm
The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days
Passara, Sri Lanka
- Average rainfall days in January:
18 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
27.2 days - Average rainfall days in May:
29.8 days - Average rainfall days in June:
25.5 days
- Average rainfall days in July:
25.2 days - Average rainfall days in August:
27 days - Average rainfall days in September:
25.5 days - Average rainfall days in October:
28.8 days - Average rainfall days in November:
27.9 days - Average rainfall days in December:
25.4 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).
Average daylight / Average sunshine
Passara, 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:
7h and 6min - Average sunshine in February:
7h and 24min - Average sunshine in March:
7h and 54min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
8h and 12min - Average sunshine in September:
9h and 30min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days
Passara, Sri Lanka
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
11 days - Average sunshine days in March:
8.5 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
0.8 days - Average sunshine days in June:
1.3 days
- Average sunshine days in July:
2 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
2.2 days - Average sunshine days in October:
1.9 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
4.5 days
The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).
Average UV index
Passara, Sri Lanka
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover
Passara, Sri Lanka
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Passara, Sri Lanka
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).





