Climate and monthly weather forecastMirihana, Sri Lanka
Climate and monthly weather forecast
Weather in January
January is a hot winter month in Mirihana, Sri Lanka, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 23.1°C (73.6°F). As Mirihana transitions into January, the average high-temperature stands at a tropical 30.8°C (87.4°F), offering little variation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Mirihana, is another tropical month, with an average temperature ranging between min 23.3°C (73.9°F) and max 31.4°C (88.5°F). The transition from January to February sees average high-temperatures adjusting to a still hot 31.4°C (88.5°F), from a not significantly different 30.8°C (87.4°F). Weather in February »Weather in March
March, the first month of the spring in Mirihana, is still a tropical month, with an average temperature ranging between max 31.8°C (89.2°F) and min 24.3°C (75.7°F). March and April, with an average high-temperature of 31.8°C (89.2°F), are the warmest months. March's average heat index is computed to be a scorching 42°C (107.6°F). Weather in March »Weather in April
April, the same as March, in Mirihana, Sri Lanka, is a hot spring month, with an average temperature ranging between min 25.8°C (78.4°F) and max 31.8°C (89.2°F). The warmest months are March and April, with an average high-temperature of 31.8°C (89.2°F). The average heat index in April is computed to be a scorching 42°C (107.6°F). Weather in April »Weather in May
The last month of the spring, May, is also a hot month in Mirihana, Sri Lanka, with an average temperature fluctuating between 30.6°C (87.1°F) and 26.3°C (79.3°F). Mirihana starts May with an average high-temperature of a still tropical 30.6°C (87.1°F), a minor shift from April's 31.8°C (89.2°F). Weather in May »Weather in June
June, the first month of the summer in Mirihana, is still a warm month, with an average temperature fluctuating between 29.3°C (84.7°F) and 25.8°C (78.4°F). June reports an average high-temperature of a moderately hot 29.3°C (84.7°F), slightly varied from May's 30.6°C (87.1°F). Weather in June »Weather in July
July, like June, in Mirihana, Sri Lanka, is a moderately hot summer month, with temperature in the range of an average low of 25.3°C (77.5°F) and an average high of 28.9°C (84°F). In Mirihana, Sri Lanka, the months of July and August are known for the lowest temperatures, reaching an average high of 28.9°C (84°F). The heat index in July is computed to be a very hot 35°C (95°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Mirihana, Sri Lanka, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 25.2°C (77.4°F). Mirihana's coldest months, July and August, record an average high-temperature of 28.9°C (84°F). August's mean heat index is computed to be a sweltering 35°C (95°F). Weather in August »Weather in September
September, the first month of the autumn in Mirihana, is still a warm month, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 24.9°C (76.8°F). With the onset of September, the average high-temperature registers at a still warm 29.1°C (84.4°F), subtly different from August's 28.9°C (84°F). Weather in September »Weather in October
October is a tropical autumn month in Mirihana, Sri Lanka, with an average temperature ranging between min 25°C (77°F) and max 30°C (86°F). With October's arrival, Mirihana's weather records an average high-temperature of a hot 30°C (86°F), marking little difference from September's 29.1°C (84.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another tropical month in Mirihana, Sri Lanka, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 24.5°C (76.1°F). With the advent of November, Mirihana's high-temperatures adjust to a still hot 30.1°C (86.2°F), closely aligning with the preceding month. Weather in November »Weather in December
December, the first month of the winter in Mirihana, is also a moderately hot month, with an average temperature ranging between min 23.7°C (74.7°F) and max 29.9°C (85.8°F). With the start of December, Mirihana measures an average high-temperature of a moderately hot 29.9°C (85.8°F), not significantly differing from November's 30.1°C (86.2°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
January and February, with an average relative humidity of 74%, are the least humid months in Mirihana.
The month with the least rainfall in Mirihana is January, when the rain falls for 11.6 days and typically collects 40mm (1.57") of precipitation.
In Mirihana, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.
With an average of 9.1h of sunshine, January has the most sunshine of the year in Mirihana.
January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index.
In Mirihana, Sri Lanka, the warmest period comes during March and April, when the average high-temperature touches 31.8°C (89.2°F).
The months with the lowest UV index in Mirihana are May, June, August and October, with an average maximum UV index of 6.
June through August, with an average relative humidity of 83%, are most humid months in Mirihana, Sri Lanka.
The month with the most rainfall is June, when the rain falls for 29.3 days and typically aggregates up to 341mm (13.43") of precipitation.
The month with the longest days in Mirihana, Sri Lanka, is June, with an average of 12h and 30min of daylight.
During July and August, Mirihana registers its lowest temperatures, averaging a high of 28.9°C (84°F).
With an average of 6.7h of sunshine, November has the least sunshine of the year.
December has the shortest days of the year in Mirihana, with an average of 11h and 42min of daylight.
Mirihana, Sri Lanka, does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
Average temperature
Mirihana, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°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 (23.1°C).
Average pressure
Mirihana, 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:
1008.6mbar - 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:
1009.9mbar - Average pressure in November:
1009.8mbar - 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 (1008.6mbar).
Average wind speed
Mirihana, Sri Lanka
- Average wind speed in January:
12.8km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
15.1km/h
- Average wind speed in July:
14.1km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
11.5km/h
The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity
Mirihana, 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 (74%).
Average rainfall
Mirihana, Sri Lanka
- Average rainfall in January:
40mm - Average rainfall in February:
47mm - Average rainfall in March:
66mm - Average rainfall in April:
137mm - Average rainfall in May:
306mm - Average rainfall in June:
341mm
- Average rainfall in July:
256mm - Average rainfall in August:
287mm - Average rainfall in September:
206mm - Average rainfall in October:
237mm - Average rainfall in November:
191mm - Average rainfall in December:
148mm
The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days
Mirihana, Sri Lanka
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
25.4 days - Average rainfall days in May:
28.8 days - Average rainfall days in June:
29.3 days
- Average rainfall days in July:
29.8 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
26.9 days - Average rainfall days in October:
27 days - Average rainfall days in November:
25.7 days - Average rainfall days in December:
21.1 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).
Average daylight / Average sunshine
Mirihana, 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 6min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 24min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 54min
The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Mirihana, Sri Lanka
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
2.6 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
1.5 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).
Average UV index
Mirihana, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Mirihana, Sri Lanka
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Mirihana, Sri Lanka
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
