January Weather in Tomohon, Indonesia

Last updated: August 21, 2025

January in Tomohon, Indonesia offers a tropical experience characterized by warm temperatures and significant rainfall. With maximums reaching 31°C (88°F) and an average of 25°C (77°F), visitors can enjoy balmy weather, though they should be prepared for cooler evenings around 20°C (69°F). This month experiences heavy rainfall, with 292 mm (11.5 in) spread across 23 rainy days, contributing to a high humidity level of 80%. Despite the frequent showers, the vibrant surroundings and lush landscapes make January a unique time to explore this picturesque region.

January Temperature in Tomohon

In Tomohon, Indonesia, January ushers in a warm embrace, with temperatures ranging from a minimum of 20°C (69°F) to a pleasing average of 25°C (77°F), peaking at a comfortable 31°C (88°F). This month typically reflects the climate's consistency, as averages remain stable throughout the early months of the year. Notably, January marks the beginning of a subtle increase in daily highs, while nightly lows remain constant, providing a steady warmth that lingers into February. As the months progress into April and May, temperatures inch upward, with maximums often reaching 32°C (90°F). Overall, the gentle fluctuations in Tomohon's January weather set the tone for the charming tropical climate that characterizes this region throughout the year.

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

The chart illustrates January temperature patterns in Tomohon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomohon, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787877777777777877
Data source: Temperature data for Tomohon 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 Tomohon

In January, Tomohon, Indonesia experiences a significant amount of rainfall, receiving 292 mm (11.5 in) over the course of 23 days. This month sets the stage for the wet season, as precipitation gradually increases through March, peaking in May with 373 mm (14.7 in) and an abundance of 30 rainy days. The following months, June and July, continue to see frequent rainfall, averaging over 339 mm, before a noticeable dip in August with just 228 mm (9.0 in), marking a seasonal shift. Despite this respite, September sees rainfall rebound to 334 mm, demonstrating the dynamic weather patterns characteristic of this tropical region. Overall, January serves as the gateway to a lush and verdant landscape, rich with the vitality of the rainy season, as the waters nourish the vibrant flora that Tomohon is known for.

January Precipitation Trends in Tomohon

The chart displays monthly precipitation patterns in Tomohon, 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. In Tomohon, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec292251323322373419339229334294310295
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Tomohon

In January, Tomohon, Indonesia experiences an average humidity of 80%, setting the stage for a year marked by high moisture levels. This initial reading is characteristic of the region's tropical climate, where humidity begins to rise in February and March, reaching up to 84%. As the month of April approaches, there is a slight dip to 82%, but the humidity levels remain notably high throughout the rest of the year. By May, humidity decreases to 76%, marking the beginning of a gradual decline that persists until August, when it peaks again at 82%. The subsequent months show a stable range with humidity hovering around 78% to 80%, illustrating a consistent yet fluctuating pattern in Tomohon’s climate. Overall, January serves as a critical indicator of the humid conditions that define the region, hinting at the subtropical dynamics that unfold through the seasons.

January Average Humidity in Tomohon

This chart illustrates the average monthly humidity levels in Tomohon, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Tomohon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%84%82%76%78%80%82%80%78%77%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Tomohon

In January, Tomohon, Indonesia experiences an extreme UV Index of 15, with a burn time of just 10 minutes, signaling the need for diligent sun protection. This high UV intensity not only continues throughout February, peaking at 16 in March, but remains consistently elevated above 13 into the summer months. Interestingly, despite the fluctuations, the burn time remains unchanged, highlighting the persistent risk of sun exposure. Visitors and locals alike should stay vigilant, especially during this time, as protective measures are crucial year-round. For more insights and monthly trends, check out the detailed information at Tomohon UV Index.

Maximum UV Index Levels in Tomohon for January

The chart shows the monthly maximum UV Index (UVI) for Tomohon 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. In January, the maximum UV index in Tomohon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161413131415151413
Data source: Tomohon 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 Tomohon

In January, Tomohon, Indonesia, welcomes the year with 235 hours of sunshine, setting a cozy, albeit slightly overcast tone for the month. As the days progress into February, the sun graces the city for 274 hours, hinting at a gradual increase in brightness. This trend continues into March, where the sunshine peaks at 300 hours, providing a lively backdrop for blossoming flora. The following months maintain impressive sunlight, with May reaching a high of 302 hours, illustrating Tomohon's robust tropical climate. In fact, the region sees consistently abundant sunshine, particularly from August to October, where the hours hover above 300, showcasing a radiant peak in the dry season. By December, however, the sunlight gently recedes to 287 hours, reminding residents that even in paradise, transitions are part of nature's charm. Overall, this sunny rhythm reveals how Tomohon embraces the brightness of each month, celebrating each day's warm embrace.

Monthly Sunshine Duration in Tomohon: January Highlighted

The January sunshine duration represents the total number of hours Tomohon 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h274h300h291h302h287h294h309h297h306h294h287h
Data source: Tomohon January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tomohon During January

In Tomohon, Indonesia, January presents a challenging likelihood of sunny weather, with only a 10% chance of sunshine. This month kicks off a year where the sun tends to shy away, making way for relatively overcast conditions. As the year progresses, February sees a slight improvement with a 14% chance, while the peak of dry weather occurs mid-year in June, boasting a more favorable 25% chance of sunshine. Interestingly, the trend dips again towards the end of the year, with December dipping to a mere 5%. Overall, if you're planning activities in January, it might be wise to keep an umbrella handy, as the sun will likely be elusive.

Percentage of Sunny Days in January in Tomohon

The chart illustrates the percentage of sunny days in Tomohon 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 Tomohon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%14%12%19%13%25%23%24%10%21%12%5%
Data source: Tomohon January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tomohon in January

In Tomohon, Indonesia, the charm of January is complemented by its consistent 12 hours of daylight, a trend that extends throughout the entire year. This steady rhythm creates a balanced environment, where the sun rises and sets at predictable times, allowing residents and visitors alike to plan their days with ease. As each month unfolds, the unwavering daylight not only enhances outdoor activities but also fosters a sense of continuity in the vibrant local culture. Whether it’s the lush landscapes or lively community gatherings, January's daylight serves as a reminder of the eternal summer that characterizes this enchanting region.

Average Daylight Hours in Tomohon for January

The chart illustrates the variation in daylight duration in Tomohon throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 2m12h 3m12h 5m12h 7m12h 9m12h 10m12h 10m12h 8m12h 6m12h 4m12h 3m12h 2m
Data source: Tomohon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Tomohon

In January, the gentle breezes of Tomohon, Indonesia, greet residents and visitors alike with an average wind speed of 1.7 m/s (4 mph). This marks the beginning of a unique pattern as the winds gradually increase through the year, peaking in December at 2.1 m/s (5 mph). The sustained calmness in the first half of the year, particularly from May to September, maintains a tranquil atmosphere, with wind speeds hovering around 1.2 to 1.4 m/s (3 mph). However, the winds regain their vigor post-October, reminding everyone of nature's rhythmic pulse. This seasonal shift not only shapes the landscape but also enhances the vibrant climate that Tomohon is celebrated for, inviting exploration and appreciation throughout the year.

Average January Wind Speed in Tomohon

The chart displays monthly wind speed patterns in Tomohon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.7 m/s1.91.31.31.21.21.61.41.21.11.12.1
Data source: Tomohon January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Tomohon Compares to Other Months

Weather in Tomohon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Tomohon, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February share similar temperature ranges, with both months featuring a minimum of 20°C (68°F), an average of 25°C (77°F), and a maximum of around 31°C (87-88°F). However, January experiences greater precipitation, with a total of 292 mm (11.5 in) over 23 days compared to February's 251 mm (9.9 in) across 26 days. Additionally, February tends to be slightly more humid, with humidity levels reaching 84%, compared to January's 80%. For a more detailed look at February weather, visit Tomohon weather in February.

In January, temperatures in Tomohon range from a minimum of 20°C (69°F) to a maximum of 31°C (88°F), with an average temperature of 25°C (77°F). However, the month also experiences significant rainfall, totaling 292 mm (11.5 in) over 23 days, accompanied by humidity levels around 80%.

In contrast, March presents similar temperature averages, with a minimum of 19°C (67°F) and a maximum of 31°C (88°F), maintaining the same average of 25°C (77°F). Nevertheless, March tends to be slightly wetter, receiving 323 mm (12.7 in) of precipitation over 29 days and exhibiting increased humidity at 84%. For detailed insights on the weather in March, you can check Tomohon weather in March.

In January, temperatures in Tomohon range from a minimum of 20°C (69°F) to a maximum of 31°C (88°F), with an average temperature of 25°C (77°F). The month sees significant rainfall, accumulating to 292 mm (11.5 in) over 23 days, contributing to a humidity level of 80%. By April, the weather remains quite similar, with minimum temperatures still at 20°C (68°F) and an average of 25°C (78°F), but a slight increase in the maximum temperature to 32°C (90°F). Precipitation rises to 322 mm (12.7 in) over 27 days, leading to a minor increase in humidity to 82%. For more detailed information, check Tomohon weather in April.

In January, the weather is characterized by a warm climate, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 31°C (88°F) and an average of 25°C (77°F). However, it also experiences significant rainfall, with 292 mm (11.5 in) of precipitation over 23 days and humidity levels around 80%.

Conversely, May shows a slight increase in temperatures, with minimums at 21°C (71°F), averages of 26°C (78°F), and maximums reaching 32°C (89°F). Rainfall is more pronounced in May, accumulating to 373 mm (14.7 in) across 30 days, although humidity is slightly lower at 76%. To learn more about the specific weather conditions in May, you can visit Tomohon weather in May.

In comparing the weather between January and June, both months exhibit similar temperature ranges, with minimums around 20°C (68°F), average temperatures of 25°C (77°F), and maximums reaching 31°C (88°F). However, June sees a notable increase in precipitation, totaling 419 mm (16.5 in) over 27 days compared to January’s 292 mm (11.5 in) over 23 days. Humidity levels remain relatively high in both months, with January at 80% and June slightly lower at 78%. This increase in rainfall in June indicates a more pronounced wet season. For more detailed insights, you can visit Tomohon weather in June.

In January and July, the weather in Tomohon exhibits similar temperature patterns, with both months experiencing minimum temperatures of 20°C (69°F), average temperatures of 25°C (77°F), and maximum temperatures reaching 31°C (88°F). However, July tends to see slightly more precipitation, with a total of 339 mm (13.4 in) over 26 days compared to January's 292 mm (11.5 in) over 23 days. Humidity remains constant at 80% in both months, creating a lush and tropical atmosphere year-round. For a closer look at what to expect specifically in July, visit Tomohon weather in July.

In comparing the weather between January and August, both months experience similar average temperatures, typically around 25°C (77°F), with maximums reaching up to 31°C (88°F). However, January tends to be slightly wetter, receiving 292 mm (11.5 in) of precipitation over 23 days, while August sees a decrease in rainfall to 228 mm (9.0 in) across 21 days. The humidity levels are also quite close, with January at 80% and August at 82%, making both months feel humid but with a slight increase during August. For more detailed information, you can check Tomohon weather in August.

When comparing January and September weather in Tomohon, both months exhibit similar average temperatures, with January having a minimum of 20°C (69°F) and September at 18°C (64°F). However, September tends to be slightly warmer at its maximum, reaching 32°C (90°F) compared to January's 31°C (88°F). Precipitation levels are higher in September, with 334 mm (13.1 in) over 22 days, contrasted with January's 292 mm (11.5 in) across 23 days. Humidity remains consistent at 80% for both months, contributing to the overall tropical climate. For more detailed information, visit Tomohon weather in September.

In January, the weather features a minimum temperature of 20°C (69°F) and an average temperature of 25°C (77°F), peaking at a maximum of 31°C (88°F). The month experiences substantial rainfall, with 292 mm (11.5 in) of precipitation occurring over 23 days and humidity levels averaging around 80%.

In contrast, October presents slightly warmer conditions, with a minimum of 20°C (67°F), an average of 25°C (78°F), and a maximum reaching 32°C (90°F). The rainfall is marginally higher at 294 mm (11.6 in), spread over 27 days, and humidity is a bit lower at 78%.

For more detailed information, you can check Tomohon weather in October.

In January, the weather features a warm range of temperatures with a minimum of 20°C (69°F), an average of 25°C (77°F), and a maximum of 31°C (88°F). The month is characterized by significant rainfall, with 292 mm (11.5 in) of precipitation spread over 23 days, resulting in high humidity levels of 80%.

Conversely, November exhibits similar temperature patterns, with slight variations; it also has minimum temperatures around 20°C (68°F), an average of 25°C (78°F), and a maximum reaching 31°C (89°F). However, November receives slightly more rainfall, totaling 310 mm (12.2 in) over 27 days, and the humidity is marginally lower at 77%. For further details, you can check Tomohon weather in November.

In January, the weather exhibits slightly lower temperatures compared to December, with a minimum of 20°C (69°F) versus December's minimum of 21°C (70°F), while both months share an average temperature of around 25°C (77°F). However, January sees less humidity at 80%, contrasting with December's 78%. When it comes to precipitation, January experiences a small decrease at 292 mm (11.5 in) over 23 days, compared to December's 295 mm (11.6 in) over 30 days. For more details, you can explore Tomohon weather in December.

Compare Tomohon's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Tomohon

In January, Tomohon experiences a unique blend of warmth and moisture, setting it apart from the drier months of the year. With temperatures averaging a comfortable 25°C, the city welcomes visitors with pleasant warmth, though frequent rainfall—spanning about 23 days—contributes to a high humidity level of 80%. This elevated precipitation, totaling 292 mm, transforms the landscape into a lush paradise, making January a vibrant time to experience the beauty of Tomohon. For those interested in understanding more about the climate nuances throughout the year, check out Tomohon Climate.