January Weather in Anuradhapura, Sri Lanka

Last updated: March 19, 2025

January in Anuradhapura, Sri Lanka, showcases a warm and humid climate, with temperatures reaching a maximum of 32°C (90°F) and averaging around 25°C (77°F). Nighttime brings a refreshing dip, as minimum temperatures settle at 17°C (63°F). This month also experiences moderate rainfall, with approximately 71 mm (2.8 in) spread over 9 days, contributing to the lush environment. With humidity hovering at 79%, visitors can expect a tropical experience, ideal for exploring the ancient city’s rich heritage and stunning landscapes.

January Temperature in Anuradhapura

In January, Anuradhapura, Sri Lanka, experiences a delightful climate with minimum temperatures hovering around 17°C (63°F) and an inviting average of 25°C (77°F). As the month progresses, temperatures can peak at a warm 32°C (90°F), making it a fantastic time for outdoor exploration of the ancient ruins. Interestingly, this mild weather signifies the start of a gradual warming trend that continues into the subsequent months. For instance, February sees an increase in the average temperature to 26°C (78°F) and a maximum of 33°C (92°F). This upward trajectory peaks in April and May, with highs reaching a sweltering 37°C (99°F). As the year unfolds, temperatures fluctuate but generally maintain a summery vibe, showcasing Anuradhapura's tropical allure.

January Weather in Anuradhapura: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Anuradhapura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777881838383838281807978
Data source: Temperature data for Anuradhapura generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Anuradhapura

January marks the beginning of the year in Anuradhapura, Sri Lanka, with an average precipitation of 71 mm (2.8 in) spread over approximately 9 rainy days. As the month progresses into February, a notable dip in rainfall occurs, dropping to 25 mm (1.0 in), reflecting a brief respite before the rainfall starts to increase in intensity through the following months. March and April see higher precipitation levels again, with 58 mm and 81 mm, respectively, as the region transitions into its wetter season. This pattern continues unabated, culminating in October and November, where the skies open up dramatically, delivering 258 mm (10.1 in) and 266 mm (10.5 in) over the course of 23 to 24 days of rainfall. Overall, January sets the stage for a dynamic precipitation trend, hinting at the lush scenery and rich ecosystems that characterize this historic city.

January Precipitation Trends in Anuradhapura

The chart displays monthly precipitation patterns in Anuradhapura, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec71255881128486063114258266163
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Anuradhapura

In January, Anuradhapura experiences a relatively high humidity level of 79%, setting the tone for the wet season to come. As the months progress, there is a slight dip in February to 75%, followed by a small increase in March to 76%. As the weather warms slightly towards April, humidity drops to 72%, which may provide a brief respite. However, this trend of fluctuation continues as June sees a notable rise to 82%, leading into the peak humidity months of August and November, where levels reach 85% and 84% respectively. Overall, the latter part of the year consistently shows elevated humidity, with October and December remaining high at 83%, reflecting the region's tropical climate and the significant moisture in the air throughout the year.

January Average Humidity in Anuradhapura

This chart illustrates the average monthly humidity levels in Anuradhapura, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%75%76%72%75%83%80%85%82%83%84%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Anuradhapura

In January, Anuradhapura, Sri Lanka experiences an intense UV Index of 12, categorized as extreme, marking the beginning of a trend of high UV exposure that continues throughout the year. This month, sunlight can cause skin damage in just 10 minutes, underscoring the importance of sun protection. As the months progress, the UV Index gradually rises, peaking at 15 in April before tapering slightly but remaining consistently high through May and June. Overall, this relentless intensity of UV radiation calls for vigilance among residents and visitors alike. For detailed insights about UV levels throughout the year, check the Anuradhapura UV Index.

Maximum UV Index Levels in Anuradhapura for January

The chart shows the monthly maximum UV Index (UVI) for Anuradhapura in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121314151312121314121210
Data source: Anuradhapura January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Anuradhapura

In January, Anuradhapura basks in a generous 264 hours of sunshine, setting the tone for a vibrant start to the year. As the month progresses towards February and March, there’s a noticeable surge, with sunshine hours peaking at 342 in March, making it one of the sunniest months. The delightful weather continues into April and May, maintaining a steady count of around 330 hours, perfect for exploring the ancient ruins. Interestingly, the brightness remains consistent through to mid-year, with July and August similarly offering a remarkable 342 hours. However, as the year winds down, a gentle decline emerges, leading to November with 272 hours and December at 301 hours. This trend highlights not just the warmth of Sri Lankan winters but also a consistent allure for travelers seeking sunshine throughout the year.

Monthly Sunshine Duration in Anuradhapura: January Highlighted

The January sunshine duration represents the total number of hours Anuradhapura experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec264h311h342h339h333h336h342h337h320h313h272h301h
Data source: Anuradhapura January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Anuradhapura During January

In Anuradhapura, Sri Lanka, January brings an 18% chance of sunny weather, which marks it as one of the lower months for sunshine potential. This is in stark contrast to the following month, February, when the likelihood of basking in the sun rises sharply to 46%. As the year progresses, the trend shows a seasonal fluctuation; March and April maintain a similarly bright outlook with 43% and 46% chances, respectively. However, as the calendar shifts towards mid-year, the prospects for sunlight dim significantly, with August witnessing a mere 7% chance. Overall, January serves as a prelude to sunnier days that are just around the corner, beckoning an increase in warmth and brightness as the region transitions into early spring.

Percentage of Sunny Days in January in Anuradhapura

The chart illustrates the percentage of sunny days in Anuradhapura throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Anuradhapura experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%46%43%46%19%21%16%8%16%15%11%47%
Data source: Anuradhapura January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Anuradhapura in January

In Anuradhapura, Sri Lanka, January ushers in 11 hours of daylight, a stark reminder of the region's balanced approach to sunlight. As the month transitions into February, this duration remains consistent, maintaining the same 11 hours. However, with the arrival of March, daylight begins to rise, peaking at 12 hours and remaining steady through to August. This extended sunlight period nurtures the lush environment and vibrant agricultural practices of the area. As the year progresses, September also enjoys this full 12 hours, but a subtle shift occurs in October, with daylight dipping back to 11 hours. The trend continues through November and December, showcasing a return to the shorter daylight typical of the earlier months. This gradual ebb and flow of daylight not only shapes daily life in Anuradhapura but also reflects the natural rhythm of the seasons.

Average Daylight Hours in Anuradhapura for January

The chart illustrates the variation in daylight duration in Anuradhapura throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 40m11h 50m12h 3m12h 17m12h 29m12h 35m12h 32m12h 22m12h 8m11h 55m11h 43m11h 38m
Data source: Anuradhapura daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Anuradhapura

In January, Anuradhapura, Sri Lanka, enjoys a gentle breeze with an average wind speed of 2.6 m/s (6 mph), creating a tranquil atmosphere that complements the historical splendor of the city. As the new year unfolds, wind speeds remain fairly consistent, peaking only slightly in February at 2.8 m/s, before tapering to 2.5 m/s in both March and April. This mild wind pattern sets the stage for the drier months ahead, where the gusts begin to intensify. Notably, May brings a noticeable increase to 3.8 m/s, hinting at the transition into the monsoon season, which continues to escalate through the summer months of June and July, where winds reach their highest averages of 5.1 m/s and 5.2 m/s, respectively. As the year progresses, the wind gradually subsides, with October marking a gentle decline to 3.4 m/s, eventually returning to the calmer breezes of late autumn. This rhythmic dance of wind across the months not only shapes the climate but also enhances Anuradhapura's serene, historical charm.

Average January Wind Speed in Anuradhapura

The chart displays monthly wind speed patterns in Anuradhapura, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.6 m/s2.82.52.53.85.15.25.04.93.42.82.5
Data source: Anuradhapura January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Anuradhapura Compares to Other Months

The weather in Anuradhapura changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Anuradhapura and find detailed weather information for every month.

January and February present a warm and humid climate, but there are notable differences in weather patterns. January typically experiences temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). This month sees higher precipitation, averaging 71 mm (2.8 in) over 9 days, and a humidity level of 79%. In contrast, February offers slightly warmer weather, with temperatures ranging from 17°C (63°F) to 33°C (92°F) and an average of 26°C (78°F). Precipitation drops significantly to 25 mm (1.0 in) over just 7 days, and humidity decreases to 75%. For more details on February weather, you can visit Anuradhapura weather in February.

In January, Anuradhapura experiences milder weather, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F) and an average of 25°C (77°F). The month sees 71 mm (2.8 in) of precipitation over about 9 rainy days, accompanied by a relatively high humidity of 79%. In contrast, March tends to be hotter, with temperatures ranging from a minimum of 20°C (68°F) to a peak of 36°C (97°F) and an average of 27°C (82°F). Despite having slightly less precipitation at 58 mm (2.3 in) over 10 days, the humidity remains comparable at 76%. For more detailed information on the weather during March, you can check Anuradhapura weather in March.

In January, the weather is characterized by mild temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), reaching a maximum of 32°C (90°F). This month experiences 71 mm (2.8 in) of precipitation over 9 days, with humidity levels at 79%. In contrast, April sees warmer conditions with a minimum temperature of 21°C (71°F), an average of 29°C (84°F), and a peak of 37°C (99°F). Precipitation also rises slightly to 81 mm (3.2 in) but occurs over more days, totaling 14. Humidity decreases to 72%. For more detailed information, you can visit Anuradhapura weather in April.

In January, the weather in Anuradhapura is characterized by a relatively warm temperature range that peaks at a maximum of 32°C (90°F), with an average of 25°C (77°F) and a minimum of 17°C (63°F). Precipitation during this month averages 71 mm (2.8 in) across about 9 days, accompanied by high humidity levels of 79%.

In contrast, May brings warmer temperatures, with a minimum of 23°C (74°F), an average of 28°C (83°F), and a maximum reaching 37°C (99°F). This month also sees increased rainfall, averaging 128 mm (5.0 in) over 19 days, though humidity is slightly lower at 75%. For more specific details on the weather during May, you can visit Anuradhapura weather in May.

In comparing the weather between January and June, January tends to be slightly cooler with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), while June exhibits warmer conditions with temperatures ranging from 24°C (75°F) to 34°C (94°F). Precipitation is higher in January at 71 mm (2.8 in) over 9 days, compared to June's lighter rainfall of 48 mm (1.9 in) spread over 14 days. Additionally, humidity levels remain relatively high in both months, with January at 79% and June slightly higher at 82%. For more detailed information, you can explore Anuradhapura weather in June.

January and July present distinct weather patterns in Anuradhapura. In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F) and a total precipitation of 71 mm (2.8 in) over 9 days. The humidity is relatively high at 79%. In contrast, July experiences a warmer climate with minimum temperatures of 23°C (74°F) and maximums reaching 36°C (98°F), averaging at 28°C (83°F). Though July sees slightly less rainfall at 60 mm (2.4 in) across 12 days, humidity remains comparable at 80%. For more details, check out Anuradhapura weather in July.

January and August present contrasting yet warm weather patterns. In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). Precipitation is notably present, with about 71 mm (2.8 in) falling over 9 days and humidity levels at 79%. In comparison, August experiences slightly higher temperatures, with a minimum of 24°C (75°F) and a maximum of 35°C (96°F), averaging 28°C (83°F). Although the total precipitation decreases to 63 mm (2.5 in), it occurs over a longer duration of 13 days, accompanied by a slightly higher humidity of 85%. For more detailed insights, check out Anuradhapura weather in August.

When comparing the weather between January and September, notable differences emerge. January features a milder climate, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), while September experiences warmer temperatures, with minimums at 23°C (73°F) and maximums soaring to 36°C (97°F). Precipitation levels also vary significantly; January receives 71 mm (2.8 in) over 9 days, while September has a higher rainfall of 114 mm (4.5 in) distributed over 18 days. Although both months exhibit high humidity, September’s humidity is slightly elevated at 82%, compared to January's 79%. For more detailed information, you can check Anuradhapura weather in September.

In January, the weather is characterized by relatively warm temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), reaching a maximum of 32°C (90°F). The month sees about 71 mm (2.8 in) of precipitation, occurring over 9 days, and boasts a humidity level of 79%. In contrast, October experiences even warmer conditions, with minimum temperatures rising to 23°C (73°F) and an average of 27°C (80°F), peaking at 33°C (93°F). However, October is also significantly wetter, accumulating 258 mm (10.1 in) of rain over 23 days and a slight increase in humidity to 83%. For more details, you can check Anuradhapura weather in October.

When comparing the weather in January and November, January tends to be slightly cooler with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), while November sees higher temperatures, with a minimum of 21°C (69°F) and a maximum of 34°C (93°F). Additionally, January experiences less precipitation at 71 mm (2.8 in) over 9 days, compared to November's significant rainfall of 266 mm (10.5 in) across 24 days. The humidity levels are also higher in November at 84%, compared to January's 79%. For more specific details about November weather, you can check Anuradhapura weather in November.

In comparing the weather of January and December, both months experience similar average temperatures, hovering around 25°C (77°F). However, January tends to be slightly cooler, with a minimum temperature of 17°C (63°F) compared to December's 19°C (66°F). Additionally, January is drier, with only 71 mm (2.8 in) of precipitation across 9 days, while December sees significantly higher rainfall at 163 mm (6.4 in) over 19 days. Humidity levels are also marginally lower in January at 79% compared to December's 83%. For more detailed insights, you can explore Anuradhapura weather in December.

Compare Anuradhapura's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Anuradhapura

January in Anuradhapura brings a mild blend of warmth and humidity, setting it apart from the hotter months that follow. With temperatures hovering comfortably around 25°C, visitors can enjoy pleasant days, but the elevated humidity can make it feel more tropical. While rain is not overly frequent, with about nine days of precipitation throughout the month, these showers contribute to the lushness of the surrounding landscape. This month serves as a transition period, as the region prepares to enter its dry season. For more detailed insights on the overall climate, check out Anuradhapura Climate.