Climate and monthly weather forecastSeeduwa, Sri Lanka
Climate and monthly weather forecast
Weather in January
January in Seeduwa, Sri Lanka, is a hot winter month, with an average temperature varying between 30.8°C (87.4°F) and 22.8°C (73°F). With the advent of January, Seeduwa experiences an average high-temperature of a tropical 30.8°C (87.4°F), mirroring a close resemblance to the previous month. Weather in January »Weather in February
February, the last month of the winter in Seeduwa, is also a hot month, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 23.1°C (73.6°F). In the transition from January to February, Seeduwa reports an average high-temperature of a still hot 31.7°C (89.1°F), indicating a close resemblance to the prior month. Weather in February »Weather in March
The first month of the spring, March, is still a tropical month in Seeduwa, Sri Lanka, with an average temperature varying between 32.1°C (89.8°F) and 24.5°C (76.1°F). March registers as the month with the highest average temperatures, reaching 32.1°C (89.8°F) at its peak and 24.5°C (76.1°F) at the lowest. In March, the average heat index is evaluated at a blisteringly hot 43°C (109.4°F). Weather in March »Weather in April
April, the same as March, in Seeduwa, Sri Lanka, is another tropical spring month, with an average temperature varying between 26°C (78.8°F) and 32°C (89.6°F). Seeduwa greets April with an average high-temperature of a still tropical 32°C (89.6°F), marking a slight deviation from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is another hot month in Seeduwa, Sri Lanka, with an average temperature ranging between max 30.8°C (87.4°F) and min 26.4°C (79.5°F). The shift to May signals an average high-temperature of a still hot 30.8°C (87.4°F), subtly varied from April's 32°C (89.6°F). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Seeduwa, Sri Lanka, with an average temperature ranging between max 29.6°C (85.3°F) and min 25.9°C (78.6°F). Seeduwa indicates an average high-temperature of a warm 29.6°C (85.3°F) in June, showing minor variation from May's 30.8°C (87.4°F). Weather in June »Weather in July
July, like June, in Seeduwa, Sri Lanka, is a moderately hot summer month, with an average temperature ranging between max 29.2°C (84.6°F) and min 25.5°C (77.9°F). Seeduwa records the coldest temperatures in July, averaging a high of 29.2°C (84.6°F) and a low of 25.5°C (77.9°F). The heat index for July is evaluated at a fiery hot 36°C (96.8°F). Weather in July »Weather in August
August, the last month of the summer in Seeduwa, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 25.4°C (77.7°F). Stepping into August, Seeduwa records an average high-temperature of a still warm 29.3°C (84.7°F), almost consistent with July. Weather in August »Weather in September
September, the first month of the autumn in Seeduwa, is still a warm month, with an average temperature ranging between max 29.5°C (85.1°F) and min 25.2°C (77.4°F). As Seeduwa transitions into September, the average high-temperature stands at a still warm 29.5°C (85.1°F), offering little variation from the preceding month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Seeduwa, Sri Lanka, with an average temperature varying between 25.1°C (77.2°F) and 29.9°C (85.8°F). Seeduwa sees the arrival of October with an average high-temperature of a still moderately hot 29.9°C (85.8°F), indicating a subtle variation from September. Weather in October »Weather in November
The last month of the autumn, November, is a tropical month in Seeduwa, Sri Lanka, with temperature in the range of an average high of 30.2°C (86.4°F) and an average low of 24.5°C (76.1°F). The arrival of November marks a slight shift to an average high-temperature of a hot 30.2°C (86.4°F) from October's 29.9°C (85.8°F). Weather in November »Weather in December
December, the first month of the winter in Seeduwa, is still a warm month, with temperature in the range of an average low of 23.7°C (74.7°F) and an average high of 29.9°C (85.8°F). Transitioning into December, Seeduwa experiences an average high-temperature of a warm 29.9°C (85.8°F), marking a minor 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 are January and February, with an average relative humidity of 73%.
January is the month with the least rainfall in Seeduwa, Sri Lanka. Rain falls for 9.7 days and accumulates 29mm (1.14") of precipitation.
Throughout the year, in Seeduwa, Sri Lanka, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.
January through April, with an average of 9.2h of sunshine, are months with the most sunshine in Seeduwa.
January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Seeduwa, Sri Lanka.
March, noted for its average high-temperature of 32.1°C (89.8°F) and an average low-temperature of 24.5°C (76.1°F), is considered the warmest month in Seeduwa, Sri Lanka.
The months with the lowest UV index in Seeduwa, Sri Lanka, are May, June, August and October, with an average maximum UV index of 6.
The months with the highest humidity in Seeduwa are June through August, with an average relative humidity of 82%.
The month with the most rainfall in Seeduwa, Sri Lanka, is June, when the rain falls for 27.6 days and typically aggregates up to 231mm (9.09") of precipitation.
The month with the longest days in Seeduwa, Sri Lanka, is June, with an average of 12h and 30min of daylight.
In Seeduwa, the average lowest temperatures are observed in July, with a high of 29.2°C (84.6°F) and a low of 25.5°C (77.9°F).
The month with the least sunshine is November, with an average of 6.6h of sunshine.
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Seeduwa, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used over the entire year.
Average temperature
Seeduwa, Sri Lanka
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure
Seeduwa, Sri Lanka
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.6mbar - Average pressure in May:
1008.4mbar - Average pressure in June:
1008.4mbar
- Average pressure in July:
1008.5mbar - Average pressure in August:
1008.8mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed
Seeduwa, Sri Lanka
- Average wind speed in January:
16.2km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
9.1km/h - Average wind speed in April:
10km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
18.3km/h
- Average wind speed in July:
17.1km/h - Average wind speed in August:
17km/h - Average wind speed in September:
16km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
10.3km/h - Average wind speed in December:
14.1km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity
Seeduwa, Sri Lanka
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall
Seeduwa, Sri Lanka
- Average rainfall in January:
29mm - Average rainfall in February:
36mm - Average rainfall in March:
55mm - Average rainfall in April:
112mm - Average rainfall in May:
204mm - Average rainfall in June:
231mm
- Average rainfall in July:
177mm - Average rainfall in August:
210mm - Average rainfall in September:
153mm - Average rainfall in October:
224mm - Average rainfall in November:
174mm - Average rainfall in December:
139mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days
Seeduwa, Sri Lanka
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
23.4 days - Average rainfall days in May:
26.3 days - Average rainfall days in June:
27.6 days
- Average rainfall days in July:
27.7 days - Average rainfall days in August:
28.4 days - Average rainfall days in September:
24.4 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
23.3 days - Average rainfall days in December:
20.3 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight / Average sunshine
Seeduwa, 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 12min - Average sunshine in March:
9h and 12min - Average sunshine in April:
9h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
7h and 30min - Average sunshine in September:
7h and 42min - Average sunshine in October:
7h and 48min - Average sunshine in November:
6h and 36min - Average sunshine in December:
7h and 0min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days
Seeduwa, Sri Lanka
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
10.4 days - Average sunshine days in April:
4.6 days - Average sunshine days in May:
3.6 days - Average sunshine days in June:
1.7 days
- Average sunshine days in July:
2.1 days - Average sunshine days in August:
1.2 days - Average sunshine days in September:
3 days - Average sunshine days in October:
3.3 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index
Seeduwa, 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
Seeduwa, 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 21).
Average visibility
Seeduwa, Sri Lanka
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
