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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Rattota, Sri Lanka, is another warm winter month, with an average temperature varying between 19°C (66.2°F) and 29.3°C (84.7°F). Upon the beginning of January, Rattota's high-temperatures register at a still warm 29.3°C (84.7°F), closely mirroring the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Rattota, is a tropical month, with an average temperature ranging between min 18.9°C (66°F) and max 30.7°C (87.3°F). The shift into February uncovers an average high-temperature of a tropical 30.7°C (87.3°F), subtly different from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Rattota, is also a hot month, with an average temperature varying between 32.8°C (91°F) and 19.9°C (67.8°F). In March, Rattota notes an average high-temperature of a still tropical 32.8°C (91°F), hardly different from the preceding month. Weather in March »
Weather in April
April, like March, is another tropical spring month in Rattota, Sri Lanka, with an average temperature ranging between max 32.9°C (91.2°F) and min 22°C (71.6°F). The month of April sees the highest average temperatures, reaching 32.9°C (91.2°F) at the peak and 22°C (71.6°F) at the low. In April, the heat index is computed to be a blazing hot 46°C (114.8°F). Weather in April »
Weather in May
May, the last month of the spring in Rattota, is another tropical month, with an average temperature varying between 23°C (73.4°F) and 31.8°C (89.2°F). As Rattota steps into May, the average high-temperature holds at a still tropical 31.8°C (89.2°F), hinting at a minor fluctuation from the prior month. Weather in May »
Weather in June
June, the first month of the summer in Rattota, is still a hot month, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 31°C (87.8°F). The shift into June finds Rattota at an average high-temperature of a still tropical 31°C (87.8°F), closely comparable to May's conditions. Weather in June »
Weather in July
July, the same as June, in Rattota, Sri Lanka, is a hot summer month, with an average temperature varying between 30.7°C (87.3°F) and 22.5°C (72.5°F). July records an average high-temperature of a still hot 30.7°C (87.3°F), indicating a minor variation from the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Rattota, is another hot month, with an average temperature ranging between min 22.3°C (72.1°F) and max 30.8°C (87.4°F). An average high-temperature of a still hot 30.8°C (87.4°F) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Rattota, is still a tropical month, with an average temperature fluctuating between 31.2°C (88.2°F) and 22.3°C (72.1°F). During September, Rattota records an average high-temperature of a still hot 31.2°C (88.2°F), marking a slight divergence from August's 30.8°C (87.4°F). Weather in September »
Weather in October
October, the same as September, in Rattota, Sri Lanka, is another tropical autumn month, with an average temperature varying between 21.8°C (71.2°F) and 30.9°C (87.6°F). Rattota records a slight change with October's average high-temperatures adjusting to a still hot 30.9°C (87.6°F) from September's 31.2°C (88.2°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderately hot month in Rattota, Sri Lanka, with an average temperature varying between 21°C (69.8°F) and 29.6°C (85.3°F). November's arrival shows an average high-temperature of a moderately hot 29.6°C (85.3°F), hardly different from the previous month. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Rattota, Sri Lanka, with temperature in the range of an average low of 20.4°C (68.7°F) and an average high of 28.6°C (83.5°F). December stands out as Rattota's coldest month, with temperatures ranging between an average high of 28.6°C (83.5°F) and a low of 20.4°C (68.7°F). The average heat index in December is computed to be a hot 34°C (93.2°F). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Rattota?
In Rattota, during the entire year, the rain falls for 217.7 days and collects up to 1165mm (45.87") of precipitation.
What are the months with the lowest UV index in Rattota?
January, February, October through December, with an average maximum UV index of 6, are months with the lowest UV index.
What are the least humid months in Rattota?
The months with the lowest humidity in Rattota, Sri Lanka, are March and September, with an average relative humidity of 72%.
What is the month with the highest UV index in Rattota?
March through September, with an average maximum UV index of 7, are months with the highest UV index in Rattota.
What is the warmest month in Rattota?
Temperature readings reach their annual highs in April, averaging 32.9°C (91.2°F) and a minimum average of 22°C (71.6°F).
What is the driest month in Rattota?
The month with the least rainfall is June, when the rain falls for 14.7 days and typically collects 29mm (1.14") of precipitation.
When are the longest days in Rattota?
June has the longest days of the year in Rattota, Sri Lanka, with an average of 12h and 36min of daylight.
What month has the most sunshine in Rattota?
The month with the most sunshine in Rattota, Sri Lanka, is June, with an average of 11h of sunshine.
What is the wettest month in Rattota?
The month with the most rainfall in Rattota is October, when the rain falls for 22.4 days and typically aggregates up to 267mm (10.51") of precipitation.
What time of the year is the coldest in Rattota?
Rattota's December weather, marked by an average high temperature of 28.6°C (83.5°F) and an average low temperature of 20.4°C (68.7°F), is the coldest in the year.
What is the most humid month in Rattota?
The most humid month in Rattota, Sri Lanka, is December, with an average relative humidity of 83%.
What is the month with the shortest days in Rattota?
With an average of 11h and 42min of daylight, December has the shortest days of the year in Rattota.
Is there Daylight Saving Time (DST) in Rattota?
Rattota does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
What is the month with the least sunshine in Rattota?
The month with the least sunshine in Rattota is December, with an average of 5.7h of sunshine.
Average temperature
Rattota, Sri Lanka
The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (28.6°C).
The month with the highest average low temperature is May (23°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).
Average pressure
Rattota, Sri Lanka
- Average pressure in January:
1011.9mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.5mbar - Average pressure in May:
1008.1mbar - Average pressure in June:
1007.9mbar
- Average pressure in July:
1008mbar - Average pressure in August:
1008.4mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1009.7mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).
Average wind speed
Rattota, Sri Lanka
- Average wind speed in January:
9.1km/h - Average wind speed in February:
8.6km/h - Average wind speed in March:
6.1km/h - Average wind speed in April:
5.6km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
16.5km/h
- Average wind speed in July:
15.6km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
6.1km/h - Average wind speed in December:
7.8km/h
The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity
Rattota, Sri Lanka
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are March and September (72%).
Average rainfall
Rattota, Sri Lanka
- Average rainfall in January:
34mm - Average rainfall in February:
54mm - Average rainfall in March:
54mm - Average rainfall in April:
120mm - Average rainfall in May:
117mm - Average rainfall in June:
29mm
The wettest month (with the highest rainfall) is October (267mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days
Rattota, Sri Lanka
- Average rainfall days in January:
14 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
24.7 days - Average rainfall days in May:
21.6 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
22.4 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
20.9 days
The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (11.8 days).
Average daylight / Average sunshine
Rattota, Sri Lanka
- Average daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 3min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
8h and 4min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
8h and 5min - Average sunshine in September:
10h and 3min - Average sunshine in October:
8h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Rattota, Sri Lanka
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
4 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
5.2 days - Average sunshine days in December:
8.2 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (4 days).
Average UV index
Rattota, Sri Lanka
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover
Rattota, Sri Lanka
The months with the most cloud cover are November and December (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 24).
Average visibility
Rattota, Sri Lanka
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
Rattota, Sri Lanka
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