Climate and monthly weather forecastIdama, Sri Lanka
Climate and monthly weather forecast
Weather in January
January is a tropical winter month in Idama, Sri Lanka, with an average temperature ranging between max 30.3°C (86.5°F) and min 23.4°C (74.1°F). Idama experiences a subtle adjustment in high-temperatures to a hot 30.3°C (86.5°F) with the onset of January, maintaining near parity with December's 29.7°C (85.5°F). Weather in January »Weather in February
The last month of the winter, February, is another hot month in Idama, Sri Lanka, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 30.9°C (87.6°F). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still tropical 30.9°C (87.6°F) from January's 30.3°C (86.5°F). Weather in February »Weather in March
The first month of the spring, March, is also a hot month in Idama, Sri Lanka, with an average temperature ranging between max 31.3°C (88.3°F) and min 25°C (77°F). The highest point of temperatures falls in March and April, when the average high-temperature ascends to 31.3°C (88.3°F). During March, the heat index is appraised at a scorching 41°C (105.8°F). Weather in March »Weather in April
April, the same as March, in Idama, Sri Lanka, is another hot spring month, with an average temperature varying between 26°C (78.8°F) and 31.3°C (88.3°F). March and April bring Idama's highest average temperatures, reaching a high of 31.3°C (88.3°F). In April, the average heat index is appraised at a blisteringly hot 41°C (105.8°F). Weather in April »Weather in May
May, the last month of the spring in Idama, is also a hot month, with temperature in the range of an average high of 30.2°C (86.4°F) and an average low of 26.3°C (79.3°F). The introduction of May notes a subtle temperature variation to a still hot 30.2°C (86.4°F) from April's 31.3°C (88.3°F). Weather in May »Weather in June
June, the first month of the summer in Idama, is still a warm month, with an average temperature ranging between min 26.1°C (79°F) and max 29.2°C (84.6°F). As May transitions into June, the average high-temperature rests at a moderately hot 29.2°C (84.6°F), maintaining a close resemblance to the previous month. Weather in June »Weather in July
July, the same as June, is another warm summer month in Idama, Sri Lanka, with temperature in the range of an average low of 25.6°C (78.1°F) and an average high of 28.7°C (83.7°F). Idama observes a minor difference in average high-temperatures between June's 29.2°C (84.6°F) and July's 28.7°C (83.7°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Idama, Sri Lanka, with an average temperature ranging between min 25.5°C (77.9°F) and max 28.6°C (83.5°F). In Idama, the month of August is known for its lowest average temperatures, reaching a high of 28.6°C (83.5°F) and a low of 25.5°C (77.9°F). The heat index in August is appraised at a tropical 34°C (93.2°F). Weather in August »Weather in September
September, the first month of the autumn in Idama, is also a moderately hot month, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 28.8°C (83.8°F). The transition into September marks the average high-temperature at a still warm 28.8°C (83.8°F), differing minimally from August's 28.6°C (83.5°F). Weather in September »Weather in October
October, like September, in Idama, Sri Lanka, is another warm autumn month, with an average temperature ranging between max 29.6°C (85.3°F) and min 25.5°C (77.9°F). The transition into October marks the average high-temperature at a still moderately hot 29.6°C (85.3°F), differing minimally from September's 28.8°C (83.8°F). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Idama, Sri Lanka, with an average temperature varying between 24.8°C (76.6°F) and 29.8°C (85.6°F). November brings an average high-temperature of a still warm 29.8°C (85.6°F), nearly identical to the preceding month. Weather in November »Weather in December
December, the first month of the winter in Idama, is still a warm month, with temperature in the range of an average low of 24.4°C (75.9°F) and an average high of 29.7°C (85.5°F). Idama's transition from November to December introduces an average high-temperature of a still warm 29.7°C (85.5°F), marking an insignificant variation from the 29.8°C (85.6°F). Weather in December »Updated: Feb 6, 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
The months with the lowest humidity are January and February, with an average relative humidity of 75%.
The month with the least rainfall in Idama is January, when the rain falls for 8.9 days and typically collects 25mm (0.98") of precipitation.
Throughout the year, in Idama, there are 273.8 rainfall days, and 2059mm (81.06") of precipitation is accumulated.
January has the most sunshine of the year in Idama, Sri Lanka, with an average of 9.2h of sunshine.
January through April, July, September through December, with an average maximum UV index of 7, are months with the highest UV index.
Idama witnesses its highest temperatures in March and April, reaching an average of 31.3°C (88.3°F).
May, June and August, with an average maximum UV index of 6, are months with the lowest UV index.
June through August, with an average relative humidity of 83%, are most humid months in Idama.
The month with the most rainfall is June, when the rain falls for 29.2 days and typically aggregates up to 350mm (13.78") of precipitation.
The month with the longest days in Idama is June, with an average of 12h and 30min of daylight.
Idama, Sri Lanka, witnesses the coldest weather in August, with temperatures averaging a high of 28.6°C (83.5°F) and a low of 25.5°C (77.9°F).
With an average of 6.8h of sunshine, November has the least sunshine of the year in Idama.
With an average of 11h and 42min of daylight, December has the shortest days of the year.
Idama does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Idama, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.3°C).
The month with the lowest average high temperature is August (28.6°C).
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).
Average pressure
Idama, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.7mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.9mbar - Average pressure in October:
1010mbar - Average pressure in November:
1009.9mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed
Idama, Sri Lanka
- Average wind speed in January:
12.2km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
13.3km/h - Average wind speed in June:
15.9km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
15.1km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
10.6km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
11.3km/h
The windiest month (with the highest average wind speed) is June (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.9km/h).
Average humidity
Idama, Sri Lanka
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (75%).
Average rainfall
Idama, Sri Lanka
- Average rainfall in January:
25mm - Average rainfall in February:
32mm - Average rainfall in March:
61mm - Average rainfall in April:
127mm - Average rainfall in May:
303mm - Average rainfall in June:
350mm
- Average rainfall in July:
260mm - Average rainfall in August:
282mm - Average rainfall in September:
201mm - Average rainfall in October:
192mm - Average rainfall in November:
133mm - Average rainfall in December:
93mm
The wettest month (with the highest rainfall) is June (350mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days
Idama, Sri Lanka
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
25.8 days - Average rainfall days in May:
28 days - Average rainfall days in June:
29.2 days
- Average rainfall days in July:
29.5 days - Average rainfall days in August:
29.5 days - Average rainfall days in September:
26.3 days - Average rainfall days in October:
25.2 days - Average rainfall days in November:
23.5 days - Average rainfall days in December:
16.5 days
The months with the highest number of rainy days are July and August (29.5 days).
The month with the least rainy days is January (8.9 days).
Average daylight / Average sunshine
Idama, 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 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
7h and 48min - Average sunshine in August:
7h and 12min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 54min - Average sunshine in November:
6h and 48min - Average sunshine in December:
7h and 6min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days
Idama, Sri Lanka
- Average sunshine days in January:
21 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
2.3 days - Average sunshine days in May:
1.2 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.3 days - Average sunshine days in August:
0.5 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
3.4 days - Average sunshine days in November:
5.8 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is January (21 days).
The months with the least sunshine days are June and July (0.3 days).
Average UV index
Idama, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and August (UV index 6).
Average cloud cover
Idama, Sri Lanka
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Idama, Sri Lanka
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
