Climate and monthly weather forecastPinnawala, Sri Lanka
Climate and monthly weather forecast
The climate of Pinnawala
Located in Sri Lanka, Pinnawala enjoys a tropical rainforest climate under the Köppen climate classification. Throughout the year the climate remains notably consistent, characterized by high temperatures, high humidity and significant rainfall.Temperatures exhibit a slight variation over the year, with lowest temperatures usually seen in December at 17°C (62.6°F) and the highest in March, April, and May around 27.5°C (81.5°F). The humidity levels in Pinnawala are consistently high due to heavy rainfall, typically exceeding 80%, with the maximum relative humidity of 89% peaking in November.
Rainfall patterns in Pinnawala present an interesting aspect of the climate. While there is some monthly fluctuation in the amount of rainfall, each month receives a significant amount. The wettest month is October with a hefty 656mm (25.83") rainfall, and even the driest month, which is January, receiving a significant 85mm (3.35") of rainfall. Pinnawala has above average cloud cover throughout the year, going above the 50% mark in most months except February and March.
The best time to visit Pinnawala
Although Pinnawala experiences a tropical rainforest climate, there are months that see less rainfall and higher sunshine hours making them more favorable for visitors. February and March present the best conditions as the rainfall levels drop to below 200mm (7.87") and average daily sunshine hours increase to 7.4 hours and 7.9 hours respectively.The worst time to visit Pinnawala
It would be advisable to consider avoiding the month of October as it records the highest rainfall of 656mm (25.83") and rainfall days increase to 28.8 days. In addition to high rainfall, October also records one of the lower averages for daily sunshine of 7 hours.Spring weather in Pinnawala
Spring months from March to May in Pinnawala are characterized by a slight increase in temperature, with the highest average temperature of 27.5°C (81.5°F) experienced in March and April. Rainfall varies with March seeing 121mm (4.76"), April having the highest at 273mm (10.75"), and May experiencing slightly less at 290mm (11.42"). Moreover, there is a noticeable increase in sunshine hours with May seeing up to 9.1 hours of sunshine on average per day.Summer weather in Pinnawala
The summer season, from June to August, maintains equally high temperatures. June registers an average high of 27°C (80.6°F) while July and August decrease slightly to 27.2°C (81°F) and 27.1°C (80.8°F) respectively. Rainfall during the summer months ranges from 112mm (4.41") in June to 135mm (5.31") in August. Sunshine hours in summer peak in June at 10 hours.Autumn weather in Pinnawala
Autumn in Pinnawala covers the months of September, October, and November. Higher amounts of rainfall characterize this season, with October and November receiving the most significant rainfall of 656mm (25.83") and 416mm (16.38") respectively. Average temperatures across autumn range from 27.1°C (80.8°F) in September down to 24.3°C (75.7°F) by November.Winter weather in Pinnawala
Winter temperatures range from a high of 24.8°C (76.6°F) in December to a slightly lower 24.3°C (75.7°F) by February. The onset of winter sees a sharp increase in the amount of rainfall from 228mm (8.98") in December to 416mm (16.38") in February. Furthermore, the winter season in Pinnawala sees shorter but more number of daylight hours with an average of approximately 11.8 hours per day, dwindling sunshine hours and high cloud coverage.Weather in January
January ushers in the new year with weather in Pinnawala that could be characterized by mild temperatures, consistent rainfall, and moderate sunshine. The daily high temperatures hover around 25°C (77°F) while the lows dip to approximately 15.8°C (60.4°F). Weather in January »Weather in February
As Pinnawala transitions into February, the weather conditions tend to shift towards a slightly warmer and wetter climate than January. February in Pinnawala is characterized by a modest rise in both temperature and rainfall levels. Weather in February »Weather in March
March marks the onset of a gradual raise in temperature that characterizes the upcoming months in Pinnawala. There's a noticeable shift towards warmer weather conditions with March’s temperatures providing a gentle ebb and flow between warmth and coolness. Weather in March »Weather in April
April emerges as a month of considerable contrast to its predecessor in Pinnawala’s weather chronology. The weather conditions in April show a significant shift, with increased rainfall levels recorded at 273mm (10.75"). April’s temperatures continue to escalate, constituting the warmer phase of the year. Weather in April »Weather in May
May in Pinnawala is characterized by high humidity levels that reach an average of 86%, the highest point for the first half of the year. The arrival of May also brings an increase in daylight, allowing more hours for exploration and activities. Weather in May »Weather in June
As the middle of the year approaches, Pinnawala experiences a subsequent rise in temperatures in June. The weather conditions in this month are marked by longer sunny days and moderately high rainfall levels. A remarkable feature of June’s weather pattern is the swift winds, with an average speed of 9.1km/h (5.7mph), the highest for the year. Weather in June »Weather in July
July, the seventh month on the calendar, brings relatively consistent weather conditions to Pinnawala. The temperatures hold steady with only a minor dip from the previous month, keeping the weather warm and inviting. The rainfall is measured at 128mm (5.04"), a slight increase when compared to the preceding month. Weather in July »Weather in August
As the summer starts to wind down in Pinnawala, August’s weather conditions follow a consistent pattern. There's a visible decrease in temperatures, and rainfall amounts are slightly higher than in July, recorded at 135mm (5.31"). Weather in August »Weather in September
September marks the commencement of the fall in Pinnawala, bringing with it cooler weather and more rainfall. The temperatures start to decline modestly, and the rainfall sees a significant uptick, registered at 182mm (7.17") for the month. Weather in September »Weather in October
October is usually the wettest season in Pinnawala, with heavy showers and a skyrocketing rainfall measure of 656mm (25.83"). The transition to October marks the shift to the heavy rainfall season, considerably more than the previous months. Weather in October »Weather in November
November in Pinnawala is characterized by a dip in temperatures, an easing up of the heavy rain from the previous month, and fewer hours of sunshine. The weather in November sees a dip from the record high rainfall of October to 416mm (16.38"). Weather in November »Weather in December
The final month of the year, December in Pinnawala, brings along a decrease in rainfall, cool temperatures, and a relatively high humidity level of 88%. The weather conditions are much drier, with rainfall levels falling sharply to 228mm (8.98"). Weather in December »Updated: Aug 8, 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 is the month with the least rainfall. Rain falls for 18 days and accumulates 85mm (3.35") of precipitation.
In Pinnawala, during the entire year, the rain falls for 297.4 days and collects up to 2784mm (109.61") of precipitation.
January, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Pinnawala.
February through September, with an average maximum UV index of 6, are months with the highest UV index.
With an average relative humidity of 80%, March is the least humid month.
In Pinnawala, the peak temperatures are generally noted in April, averaging a high of 27.6°C (81.7°F) and a low of 17.9°C (64.2°F).
With an average of 12h and 30min of daylight, June has the longest days of the year.
The month with the most sunshine is June, with an average of 10h of sunshine.
The month with the most rainfall is October, when the rain falls for 28.8 days and typically aggregates up to 656mm (25.83") of precipitation.
With an average relative humidity of 89%, November is the most humid month in Pinnawala.
With average high and low temperatures of 24.3°C (75.7°F) and 17°C (62.6°F) respectively, December is Pinnawala's coldest month.
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Pinnawala does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
The month with the least sunshine is December, with an average of 4.6h of sunshine.
Average temperature
Pinnawala, Sri Lanka
The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).
Average pressure
Pinnawala, Sri Lanka
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.4mbar - Average pressure in June:
1008.3mbar
- Average pressure in July:
1008.4mbar - Average pressure in August:
1008.7mbar - Average pressure in September:
1009.5mbar - Average pressure in October:
1009.8mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed
Pinnawala, Sri Lanka
- Average wind speed in January:
5.2km/h - Average wind speed in February:
4.5km/h - Average wind speed in March:
3.5km/h - Average wind speed in April:
3.3km/h - Average wind speed in May:
6.3km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
8.7km/h - Average wind speed in August:
8.2km/h - Average wind speed in September:
7.1km/h - Average wind speed in October:
4.7km/h - Average wind speed in November:
4.1km/h - Average wind speed in December:
5km/h
The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).
Average humidity
Pinnawala, Sri Lanka
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).
Average rainfall
Pinnawala, Sri Lanka
- Average rainfall in January:
85mm - Average rainfall in February:
158mm - Average rainfall in March:
121mm - Average rainfall in April:
273mm - Average rainfall in May:
290mm - Average rainfall in June:
112mm
- Average rainfall in July:
128mm - Average rainfall in August:
135mm - Average rainfall in September:
182mm - Average rainfall in October:
656mm - Average rainfall in November:
416mm - Average rainfall in December:
228mm
The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days
Pinnawala, Sri Lanka
- Average rainfall days in January:
18 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
27.2 days - Average rainfall days in May:
29.8 days - Average rainfall days in June:
25.5 days
- Average rainfall days in July:
25.2 days - Average rainfall days in August:
27 days - Average rainfall days in September:
25.5 days - Average rainfall days in October:
28.8 days - Average rainfall days in November:
27.9 days - Average rainfall days in December:
25.4 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).
Average daylight / Average sunshine
Pinnawala, 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 30min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 30min - Average daylight in August:
12h and 24min - 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:
7h and 6min - Average sunshine in February:
7h and 24min - Average sunshine in March:
7h and 54min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
8h and 12min - Average sunshine in September:
9h and 30min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days
Pinnawala, Sri Lanka
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
11 days - Average sunshine days in March:
8.5 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
0.8 days - Average sunshine days in June:
1.3 days
- Average sunshine days in July:
2 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
2.2 days - Average sunshine days in October:
1.9 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
4.5 days
The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).
Average UV index
Pinnawala, Sri Lanka
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover
Pinnawala, Sri Lanka
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Pinnawala, Sri Lanka
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).
