Climate and monthly weather forecastMiriyawatta, Sri Lanka
Climate and monthly weather forecast
Weather in January
January in Miriyawatta, Sri Lanka, is a tropical winter month, with temperature in the range of an average low of 23.4°C (74.1°F) and an average high of 30.3°C (86.5°F). Miriyawatta notes an average high-temperature of a tropical 30.3°C (86.5°F) in January, hardly diverging from December. Weather in January »Weather in February
February, the last month of the winter in Miriyawatta, is also a hot month, with an average temperature ranging between min 23.5°C (74.3°F) and max 30.9°C (87.6°F). The high-temperature average in February for Miriyawatta, Sri Lanka, is a still tropical 30.9°C (87.6°F), staying closely aligned with January's conditions. Weather in February »Weather in March
The first month of the spring, March, is still a tropical month in Miriyawatta, Sri Lanka, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 25°C (77°F). The months of March and April are noted for their peak temperatures, with an average high-temperature of 31.3°C (88.3°F). March's average heat index is appraised at a scorching 41°C (105.8°F). Weather in March »Weather in April
April, the same as March, in Miriyawatta, Sri Lanka, is a hot spring month, with an average temperature fluctuating between 26°C (78.8°F) and 31.3°C (88.3°F). Miriyawatta's temperature peaks during March and April, with an average high-temperature of 31.3°C (88.3°F). April's 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 Miriyawatta, is also a hot month, with an average temperature fluctuating between 26.3°C (79.3°F) and 30.2°C (86.4°F). The arrival of May brings an average high-temperature of a still hot 30.2°C (86.4°F), nearly identical to April's 31.3°C (88.3°F). Weather in May »Weather in June
June, the first month of the summer in Miriyawatta, is also a moderately hot month, with an average temperature ranging between min 26.1°C (79°F) and max 29.2°C (84.6°F). The advent of June signifies a minor shift to an average high-temperature of a moderately hot 29.2°C (84.6°F), aligning closely with May. Weather in June »Weather in July
July, like June, in Miriyawatta, Sri Lanka, is another warm summer month, with an average temperature fluctuating between 28.7°C (83.7°F) and 25.6°C (78.1°F). Entering July, Miriyawatta's average high-temperature reads a still warm 28.7°C (83.7°F), indicating a close resemblance to 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 Miriyawatta, Sri Lanka, with an average temperature ranging between max 28.6°C (83.5°F) and min 25.5°C (77.9°F). The month of August, characterized by an average high of 28.6°C (83.5°F) and a low of 25.5°C (77.9°F), is recognized as the coldest. The heat index for August is appraised at a hot 34°C (93.2°F). Weather in August »Weather in September
September, the first month of the autumn in Miriyawatta, is also a moderately hot month, with an average temperature ranging between min 25.2°C (77.4°F) and max 28.8°C (83.8°F). September's presence records an average high-temperature of a still moderately hot 28.8°C (83.8°F), closely mirroring August's climate. Weather in September »Weather in October
October, like September, in Miriyawatta, Sri Lanka, is another warm autumn month, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 29.6°C (85.3°F). Miriyawatta observes an average high-temperature of a still moderately hot 29.6°C (85.3°F) in October, barely different from 28.8°C (83.8°F) in September. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Miriyawatta, Sri Lanka, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 24.8°C (76.6°F). With the advent of November, Miriyawatta experiences an average high-temperature of a still moderately hot 29.8°C (85.6°F), mirroring a close resemblance to the previous month. Weather in November »Weather in December
December, the first month of the winter in Miriyawatta, is also a moderately hot month, with an average temperature fluctuating between 24.4°C (75.9°F) and 29.7°C (85.5°F). December's arrival registers an average high-temperature of a still warm 29.7°C (85.5°F), closely aligning with the temperature of the previous month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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
Miriyawatta, 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).





