Climate and monthly weather forecastRanwala, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Ranwala, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 18.8°C (65.8°F). Transitioning into January, Ranwala records an average high-temperature of a still warm 29.3°C (84.7°F), almost identical to December's 28.4°C (83.1°F). Weather in January »Weather in February
The last month of the winter, February, is a hot month in Ranwala, Sri Lanka, with an average temperature fluctuating between 18.7°C (65.7°F) and 30.7°C (87.3°F). Ranwala's shift into February sets the average high-temperature at a hot 30.7°C (87.3°F), a figure that deviates only slightly from January's 29.3°C (84.7°F). Weather in February »Weather in March
March, the first month of the spring in Ranwala, is also a hot month, with an average temperature ranging between max 31.1°C (88°F) and min 19.7°C (67.5°F). March tends to be the warmest month, with temperatures averaging a daily high of 31.1°C (88°F) and a low of 19.7°C (67.5°F). During March, the heat index is computed to be a scorching 42°C (107.6°F). Weather in March »Weather in April
April, like March, is another tropical spring month in Ranwala, Sri Lanka, with an average temperature ranging between min 21.1°C (70°F) and max 30°C (86°F). The transition into April is marked with an average high-temperature of a still tropical 30°C (86°F), showing an insignificant shift from March's 31.1°C (88°F). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Ranwala, Sri Lanka, with an average temperature fluctuating between 28.3°C (82.9°F) and 21.8°C (71.2°F). In May, Ranwala experiences a minor shift in meteorological conditions with average high-temperatures marked at a moderately hot 28.3°C (82.9°F), closely mirroring the climate in April. Weather in May »Weather in June
June, the first month of the summer in Ranwala, is also a moderately hot month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 27.3°C (81.1°F). Ranwala's coldest months, June and July, record an average high-temperature of 27.3°C (81.1°F). In June, the average heat index is computed to be a hot 31°C (87.8°F). Weather in June »Weather in July
July, like June, in Ranwala, Sri Lanka, is a moderately hot summer month, with an average temperature ranging between max 27.3°C (81.1°F) and min 21.3°C (70.3°F). Ranwala's coldest period falls in June and July, when the average high-temperatures ascend to 27.3°C (81.1°F). July's heat index is computed to be a tropical 31°C (87.8°F). Weather in July »Weather in August
August, the last month of the summer in Ranwala, is also a moderately hot month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 27.5°C (81.5°F). The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 27.5°C (81.5°F), aligning closely with July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Ranwala, Sri Lanka, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 27.5°C (81.5°F). September's presence marks an average high-temperature of a still moderately hot 27.5°C (81.5°F), remaining consistent with the previous month's conditions. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Ranwala, Sri Lanka, with an average temperature fluctuating between 20.8°C (69.4°F) and 28.5°C (83.3°F). Ranwala's weather in October, with an average high-temperature of a still warm 28.5°C (83.3°F), subtly shifts from September's 27.5°C (81.5°F). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Ranwala, Sri Lanka, with an average temperature ranging between min 20.8°C (69.4°F) and max 28.3°C (82.9°F). As Ranwala welcomes November, the average high-temperature stabilizes at a still warm 28.3°C (82.9°F), showing little deviation from October's 28.5°C (83.3°F). Weather in November »Weather in December
December, the first month of the winter in Ranwala, is also a moderately hot month, with temperature in the range of an average low of 19.9°C (67.8°F) and an average high of 28.4°C (83.1°F). As November transitions into December, Ranwala records an average high-temperature of a still moderately hot 28.4°C (83.1°F), showing a gentle shift from the preceding month. 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 in Ranwala, Sri Lanka, are January and February, with an average relative humidity of 80%.
The month with the least rainfall is January, when the rain falls for 18.9 days and typically collects 85mm (3.35") of precipitation.
Throughout the year, in Ranwala, Sri Lanka, there are 317.7 rainfall days, and 2467mm (97.13") of precipitation is accumulated.
January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index.
March is the month that records the highest temperatures in Ranwala, Sri Lanka, with averages ranging from a high of 31.1°C (88°F) to a low of 19.7°C (67.5°F).
April has the most sunshine of the year in Ranwala, Sri Lanka, with an average of 8.4h of sunshine.
May and June, with an average relative humidity of 88%, are most humid months.
Temperatures in Ranwala reach their minimum during June and July, recording an average high-temperature of 27.3°C (81.1°F).
June has the longest days of the year, with an average of 12h and 30min of daylight.
September and October, with an average maximum UV index of 5, are months with the lowest UV index.
October is the month with the most rainfall in Ranwala. Rain falls for 28.5 days and accumulates 357mm (14.06") of precipitation.
The month with the shortest days in Ranwala, Sri Lanka, is December, with an average of 11h and 42min of daylight.
Ranwala does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
With an average of 6h of sunshine, December has the least sunshine of the year in Ranwala.
Average temperature
Ranwala, Sri Lanka
The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.7°C).
Average pressure
Ranwala, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.8mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.8mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.7mbar - 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 (1008.6mbar).
Average wind speed
Ranwala, Sri Lanka
- Average wind speed in January:
4.2km/h - Average wind speed in February:
3.9km/h - Average wind speed in March:
3.9km/h - Average wind speed in April:
4.3km/h - Average wind speed in May:
6.5km/h - Average wind speed in June:
8.7km/h
- Average wind speed in July:
8.8km/h - Average wind speed in August:
8.4km/h - Average wind speed in September:
7.3km/h - Average wind speed in October:
5.8km/h - Average wind speed in November:
4.2km/h - Average wind speed in December:
4.3km/h
The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).
Average humidity
Ranwala, Sri Lanka
The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).
Average rainfall
Ranwala, Sri Lanka
- Average rainfall in January:
85mm - Average rainfall in February:
109mm - Average rainfall in March:
134mm - Average rainfall in April:
248mm - Average rainfall in May:
270mm - Average rainfall in June:
173mm
- Average rainfall in July:
162mm - Average rainfall in August:
184mm - Average rainfall in September:
223mm - Average rainfall in October:
357mm - Average rainfall in November:
313mm - Average rainfall in December:
209mm
The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days
Ranwala, Sri Lanka
- Average rainfall days in January:
18.9 days - Average rainfall days in February:
19.8 days - Average rainfall days in March:
26.3 days - Average rainfall days in April:
29.4 days - Average rainfall days in May:
29.8 days - Average rainfall days in June:
28.1 days
- Average rainfall days in July:
28.8 days - Average rainfall days in August:
28.8 days - Average rainfall days in September:
26.2 days - Average rainfall days in October:
28.5 days - Average rainfall days in November:
27.5 days - Average rainfall days in December:
25.6 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).
Average daylight / Average sunshine
Ranwala, 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:
8h and 18min - Average sunshine in February:
8h and 18min - Average sunshine in March:
8h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
7h and 36min - Average sunshine in June:
7h and 6min
- Average sunshine in July:
7h and 6min - Average sunshine in August:
6h and 12min - Average sunshine in September:
7h and 18min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 18min - Average sunshine in December:
6h and 0min
The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Ranwala, Sri Lanka
- Average sunshine days in January:
9.2 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
2.8 days - Average sunshine days in April:
0.2 days - Average sunshine days in May:
0.8 days - Average sunshine days in June:
0.6 days
- Average sunshine days in July:
1 days - Average sunshine days in August:
0.8 days - Average sunshine days in September:
1.3 days - Average sunshine days in October:
1.1 days - Average sunshine days in November:
1.8 days - Average sunshine days in December:
3.6 days
The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).
Average UV index
Ranwala, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).
Average cloud cover
Ranwala, Sri Lanka
The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility
Ranwala, Sri Lanka
The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).
