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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January in Gonahena, Sri Lanka, is a tropical winter month, with an average temperature varying between 23.1°C (73.6°F) and 30.8°C (87.4°F). With the start of January, Gonahena measures an average high-temperature of a hot 30.8°C (87.4°F), not significantly differing from December's 29.9°C (85.8°F). Weather in January »
Weather in February
February, the last month of the winter in Gonahena, is also a hot month, with an average temperature fluctuating between 23.3°C (73.9°F) and 31.4°C (88.5°F). The advent of February reveals an average high-temperature of a still tropical 31.4°C (88.5°F), showing minimal difference from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Gonahena, is also a hot month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 31.8°C (89.2°F). Gonahena witnesses its peak temperatures during March and April, when the average high-temperature reaches 31.8°C (89.2°F). March's average heat index is estimated at a blisteringly hot 42°C (107.6°F). Weather in March »
Weather in April
April, like March, is another hot spring month in Gonahena, Sri Lanka, with an average temperature varying between 25.8°C (78.4°F) and 31.8°C (89.2°F). March and April mark Gonahena's peak of temperatures, averaging a high-temperature of 31.8°C (89.2°F). During April, the heat index is estimated at a blisteringly hot 42°C (107.6°F). Weather in April »
Weather in May
The last month of the spring, May, is also a hot month in Gonahena, Sri Lanka, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 30.6°C (87.1°F). In Gonahena, May's average high-temperature stands at a still tropical 30.6°C (87.1°F), closely related to the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Gonahena, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 25.8°C (78.4°F). Gonahena transitions into June recording an average high-temperature of a moderately hot 29.3°C (84.7°F), closely aligning with the preceding month's temperature. Weather in June »
Weather in July
July, the same as June, is another warm summer month in Gonahena, Sri Lanka, with an average temperature varying between 28.9°C (84°F) and 25.3°C (77.5°F). Temperatures reach their minimum during July and August, recording an average high-temperature of 28.9°C (84°F). In July, the heat index is estimated at a very hot 35°C (95°F). Weather in July »
Weather in August
August, the last month of the summer in Gonahena, is also a moderately hot month, with an average temperature varying between 25.2°C (77.4°F) and 28.9°C (84°F). The months of July and August are noted for their lowest temperatures, with an average high-temperature of 28.9°C (84°F). The average heat index in August is estimated at a torrid 35°C (95°F). Weather in August »
Weather in September
September, the first month of the autumn in Gonahena, is also a moderately hot month, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 29.1°C (84.4°F). September brings an average high-temperature of a still moderately hot 29.1°C (84.4°F), nearly identical to the preceding month. Weather in September »
Weather in October
October is a hot autumn month in Gonahena, Sri Lanka, with an average temperature ranging between max 30°C (86°F) and min 25°C (77°F). The ushering in of October brings an average high-temperature of a hot 30°C (86°F), closely mirroring the 29.1°C (84.4°F) of September. Weather in October »
Weather in November
November, the last month of the autumn in Gonahena, is also a hot month, with an average temperature varying between 30.1°C (86.2°F) and 24.5°C (76.1°F). Gonahena's average high-temperature in November is a still tropical 30.1°C (86.2°F), indicating a subtle variation from October. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Gonahena, Sri Lanka, with an average temperature varying between 23.7°C (74.7°F) and 29.9°C (85.8°F). With December's arrival, Gonahena notes an average high-temperature of a warm 29.9°C (85.8°F), closely following the trend of 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
What are the least humid months in Gonahena?
January and February, with an average relative humidity of 74%, are the least humid months.
What is the driest month in Gonahena?
The month with the least rainfall is January, when the rain falls for 11.6 days and typically collects 40mm (1.57") of precipitation.
How many days does it rain in Gonahena?
Throughout the year, in Gonahena, Sri Lanka, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.
What month has the most sunshine in Gonahena?
January has the most sunshine of the year in Gonahena, Sri Lanka, with an average of 9.1h of sunshine.
What is the month with the highest UV index in Gonahena?
The months with the highest UV index in Gonahena are January through April, July, September, November and December, with an average maximum UV index of 7.
What is the hottest time of year in Gonahena?
March and April are the warmest months in Gonahena, with an average high-temperature of 31.8°C (89.2°F).
What are the months with the lowest UV index in Gonahena?
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
What is the most humid month in Gonahena?
June through August, with an average relative humidity of 83%, are most humid months in Gonahena, Sri Lanka.
What is the rainiest month in Gonahena?
The month with the most rainfall in Gonahena, Sri Lanka, is June, when the rain falls for 29.3 days and typically aggregates up to 341mm (13.43") of precipitation.
When are the longest days in Gonahena?
June has the longest days of the year in Gonahena, Sri Lanka, with an average of 12h and 30min of daylight.
What month is the coldest in Gonahena?
July and August are known as Gonahena's coldest months, with an average high-temperature of 28.9°C (84°F).
What is the month with the least sunshine in Gonahena?
With an average of 6.7h of sunshine, November has the least sunshine of the year.
What is the month with the shortest days in Gonahena?
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST) in Gonahena?
Gonahena does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Gonahena, 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
Gonahena, 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
Gonahena, 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
Gonahena, 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
Gonahena, 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
Gonahena, 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
Gonahena, Sri Lanka
- Average daylight in January:
11h and 5min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
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 1min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 5min
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
Gonahena, 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
Gonahena, 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
Gonahena, 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
Gonahena, 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).
