January Weather in Oia, Portugal

Last updated: February 24, 2025

Experience January in Oia, Portugal, where the weather offers a blend of mild temperatures and refreshing coastal charm. Expect a maximum of 21°C (69°F) during the day, while nights can dip to a minimum of -2°C (29°F), making layers a smart choice. The average temperature hovers around 9°C (49°F), providing a cool yet comfortable atmosphere for exploration. With approximately 70 mm (2.7 in) of rain over 7 precipitation days, the month leans towards a slightly wet climate, contributing to the region's lush beauty. The air remains humid at 87%, wrapping you in a crisp, invigorating embrace while you enjoy the stunning vistas and rich culture of this enchanting destination.

January Temperature in Oia

In Oia, Portugal, January temperatures showcase a crisp winter charm, with morning lows dipping to a frosty -2°C (29°F), while the day brings a mild average of 9°C (49°F) and can reach up to a pleasant 21°C (69°F). This contrasts with February, where a slight warming trend emerges, seeing minimum temperatures rise to -1°C (31°F) and average highs nudging further into the comforting range. As the months progress into spring, daytime warmth intensifies, with March introducing a further increase, highlighted by a maximum of 27°C (81°F). April and May continue this trend, signaling the transition toward a vibrant summer, while the hotter months peak in July and August with maximum temperatures soaring close to 39°C (102°F). Overall, Oia's January serves as a cool yet inviting precursor to the increasingly warm and sunny days ahead.

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

The chart illustrates January temperature patterns in Oia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485254586366707069635552
Data source: Temperature data for Oia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Oia

In January, Oia, Portugal, welcomes a modest precipitation total of 70 mm (2.7 in) over the course of just seven rainy days, setting the stage for a refreshing beginning to the year. This early winter month serves as a gentle precursor to the wetter months ahead, as the precipitation gradually increases, particularly in February and March with totals of 101 mm (4.0 in) and 121 mm (4.8 in), respectively. January's rainfall, while still relatively light, hints at the changing weather patterns, as the region gears up for a more substantial wet season, evidenced by the steep rise in precipitation during the later winter months. The calm before the storm, January showcases Oia's ability to blend stunning landscapes with the serene charm of occasional rainfall.

January Precipitation Trends in Oia

The chart displays monthly precipitation patterns in Oia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70101121121603511123794133135
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Oia

In January, Oia, Portugal experiences a notably high humidity level of 87%, setting the tone for a winter that feels quite moist and cool. As the month transitions into February, humidity dips slightly to 81%, hinting at the gradual change in weather patterns. Moving into spring, March and April witness a steady decrease, with humidity levels hovering around 78-79%, while May maintains this comfortable range. The true shift occurs as the summer months approach, where from June to August, humidity levels drop substantially to the low 60s. This trend of decreasing humidity continues through September before making a slight resurgence in October at 79%. The year closes with November and December, returning to the elevated levels of 86-87%, creating a cyclical rhythm that characterizes Oia's unique climate throughout the year.

January Average Humidity in Oia

This chart illustrates the average monthly humidity levels in Oia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Oia

In January, Oia, Portugal, experiences a moderate UV Index of 3, which translates to a burn time of 30 minutes. As we move into February, the UV Index rises slightly to 4, maintaining that moderate exposure level but reducing the time needed to enjoy the sun safely. With March, the sun's intensity increases to a 6, indicating high exposure, and burn time shortens to 25 minutes. The trend continues into the spring and summer months, peaking in June with an extreme UV Index of 11—a stark contrast to the beginning of the year. This means visitors should be especially cautious, with just 10 minutes before risking sunburn. As summer wanes into September, the UV levels start to decline, easing back to a high level by October at 6. Interestingly, by December, the UV Index dips to a low 2, allowing for a more leisurely 45-minute sun-soaking. Overall, the data highlights a significant seasonal shift in UV exposure, making it crucial for travelers to stay informed about the UV Index throughout the year. For more details, visit Oia UV Index.

Maximum UV Index Levels in Oia for January

The chart shows the monthly maximum UV Index (UVI) for Oia 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689111098642
Data source: Oia 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 Oia

As January unfolds in Oia, Portugal, the sun graces the picturesque landscape with 169 hours of light, marking the beginning of the year with gentle warmth. This month sets the stage for a steady increase in sunshine, peaking in the vibrant summer months of July and June, where the sun bathes the charming island in a dazzling 425 hours of brilliance. The transition from winter to spring brings a luminous surge, with March and April enjoying a delightful rise in sunshine, leading visitors to bask in the blossoming scenery. As the year progresses, the sun’s embrace slowly wanes in autumn, yet even in November and December, Oia maintains a cozy glow with 215 and 192 hours, ensuring that the magic of this stunning destination lingers throughout the seasons.

Monthly Sunshine Duration in Oia: January Highlighted

The January sunshine duration represents the total number of hours Oia 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h216h291h344h407h408h425h395h345h306h215h192h
Data source: Oia January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oia During January

In January, Oia, Portugal, boasts a 48% chance of sunny weather, making it a prime time for visitors seeking mild and pleasant conditions. Although this percentage is modest, it stands out when compared to the gloomier February, which dips to just 19% sunshine. As the months progress, the likelihood of sunny skies begins to climb, peaking in the summer with July and August reaching 61% and 65%, respectively. Overall, while January may not be the sunniest month, it offers a perfect opportunity to enjoy the charm of Oia with a higher chance of sunshine than later winter months.

Percentage of Sunny Days in January in Oia

The chart illustrates the percentage of sunny days in Oia 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 Oia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%19%55%38%48%57%61%65%45%48%68%38%
Data source: Oia January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oia in January

In January, Oia, Portugal, basks in a modest 9 hours of daylight, a chilly welcome to the year. As the month rolls into February, daylight gradually increases to 10 hours, hinting at the approaching warmth of spring. This positive trend continues into March and April, where the daylight stretches to 11 hours and 13 hours, respectively, encouraging outdoor exploration and highlighting the breathtaking vistas that Oia has to offer. By May and June, the daylight reaches its peak at 14 and 15 hours, providing ample time to enjoy the picturesque sunsets and vibrant landscapes. However, the long summer days begin to wane as July and August offer slightly less sunlight, yet still a generous 14 and 13 hours. As autumn sets in, September brings 12 hours of daylight, cycling back towards shorter days in October and November, which dip to 11 and 9 hours. Finally, December mirrors January with 9 hours of sunlight, closing the year on a reflective note. This rhythmic transition through the months not only enriches the experience in Oia but also beautifully illustrates nature's cycle of light and dark.

Average Daylight Hours in Oia for January

The chart illustrates the variation in daylight duration in Oia throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 39m11h 57m13h 18m14h 26m15h14h 42m13h 42m12h 24m11h 4m9h 54m9h 18m
Data source: Oia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Oia

In Oia, Portugal, January ushers in a gentle average wind speed of 3.3 m/s (7 mph), setting a tranquil tone for the month. Notably, the winds begin to pick up slightly in February, rising to 3.8 m/s (8 mph), before settling back into a mild rhythm through the spring. March and April showcase the calmest breezes, with speeds dipping to 2.8 m/s (6 mph) and 2.5 m/s (6 mph), respectively. As the summer approaches, the winds become a bit more invigorating, fluctuating around 3.1 to 3.4 m/s from June to July. However, August through October sees a return to calmer conditions, hovering around 2.7 to 2.8 m/s (6 mph), reminiscent of the calm that January began with. This pattern reflects a lovely ebb and flow throughout the year, with January's winds establishing a serene foundation for the seasons to follow.

Average January Wind Speed in Oia

The chart displays monthly wind speed patterns in Oia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.3 m/s3.82.82.53.23.13.42.82.72.72.83.6
Data source: Oia January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Oia Compares to Other Months

The weather in Oia 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 Oia and find detailed weather information for every month.

January and February present a gradual transition in weather conditions. In January, temperatures range from a minimum of -2°C to a maximum of 21°C, with an average of 9°C and humidity levels at 87%. The month experiences around 70 mm of precipitation over 7 days, indicating a relatively wet start to the year. In contrast, February sees slightly milder temperatures, with a minimum of -1°C, an average of 11°C, and a maximum of 23°C. This month is wetter, receiving 101 mm of rainfall over 9 days, while humidity decreases to 81%. For a detailed look at February weather, check out Oia weather in February.

In January, temperatures range from a chilly -2°C (29°F) at night to a pleasant 21°C (69°F) during the day, with an average of 9°C (49°F). The month sees about 70 mm (2.7 in) of precipitation over 7 days, contributing to a high humidity level of 87%.

By March, the weather begins to warm up, with minimum temperatures rising to 2°C (36°F) and maximums reaching up to 27°C (81°F), resulting in an average of 12°C (55°F). However, precipitation also increases to 121 mm (4.8 in) over 11 days, leading to a decrease in humidity to 78%. For more details about the weather in this month, you can check Oia weather in March.

In January, the weather is quite cool, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (69°F), averaging around 9°C (49°F). This month sees about 70 mm (2.7 in) of precipitation spread over 7 days and maintains a high humidity level of 87%. In contrast, April brings a noticeable warming trend, with temperatures starting at a minimum of 4°C (39°F) and peaking at 29°C (84°F), averaging 14°C (58°F). However, April is also wetter, with approximately 121 mm (4.8 in) of rainfall over 13 days, and a slightly lower humidity level of 79%. For more specific details on the weather during this month, you can visit Oia weather in April.

January and May exhibit notable differences in weather patterns. In January, temperatures can range from a chilly -2°C (29°F) to a comfortable 21°C (69°F), with an average of 9°C (49°F). The month sees about 70 mm (2.7 in) of precipitation over 7 days and maintains a high humidity level of 87%. In contrast, May brings a warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 33°C (92°F), and an average of 17°C (64°F). Precipitation decreases slightly to 60 mm (2.4 in) over 8 days, and humidity falls to 78%. For more detailed information, you can check Oia weather in May.

When comparing the weather in January and June, there is a stark contrast in temperature and conditions. January sees much cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), while June experiences significantly warmer temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 35°C (96°F). Precipitation is more prominent in January, with 70 mm (2.7 in) spread over 7 days, compared to June's lighter rainfall of 35 mm (1.4 in) over 8 days. Additionally, January has a higher humidity level at 87%, whereas June's humidity drops to 71%, contributing to a more comfortable overall feeling during the warmer, sunnier days. For a detailed look at the conditions in June, you can check Oia weather in June.

January and July present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -2°C (29°F) to a milder maximum of 21°C (69°F), with an average temperature of 9°C (49°F). This month experiences significant precipitation levels of 70 mm (2.7 in) over about 7 days, coupled with high humidity at 87%. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (53°F), an average of 21°C (70°F), and a scorching maximum reaching 38°C (100°F). Additionally, July sees far less precipitation, totaling only 11 mm (0.4 in) across just 2 days, and the humidity drops to a comfortable 63%. For a closer look at weather conditions in Oia during July, visit Oia weather in July.

In January, the weather is considerably cooler, with temperatures ranging from a brisk minimum of -2°C (29°F) to a milder maximum of 21°C (69°F) and an average temperature around 9°C (49°F). This month sees significant precipitation, totaling 70 mm (2.7 in) over about 7 days, accompanied by high humidity levels of 87%. In contrast, August offers a much warmer climate, with temperatures consistently ranging from a minimum of 11°C (53°F) to a sweltering maximum of 39°C (102°F), and an average temperature of 21°C (70°F). Precipitation drops sharply to just 12 mm (0.5 in) over 2 days, and the humidity decreases to a more comfortable 64%. For more details about the weather in Oia during August, visit Oia weather in August.

In January, the weather is characterized by chilly temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), reaching a maximum of 21°C (69°F). The month sees considerable precipitation, totaling 70 mm (2.7 in) over about 7 days, and the humidity remains high at 87%. In contrast, September offers a much warmer climate, where temperatures range from a minimum of 10°C (50°F) to an average of 20°C (69°F), peaking at a sweltering 36°C (97°F). Precipitation is less frequent, totaling 37 mm (1.4 in) over just 4 days, with humidity dropping to a more comfortable 71%. For a closer look at what to expect, check out Oia weather in September.

When comparing January and October weather, notable differences emerge in temperature and precipitation. In January, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 21°C (69°F), with an average of 9°C (49°F). This month sees around 70 mm (2.7 in) of precipitation over 7 days, accompanied by high humidity at 87%. In contrast, October offers a much warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a scorching maximum of 35°C (95°F) and an average of 17°C (63°F). Rainfall increases slightly to 94 mm (3.7 in) over 8 days, but humidity dips to 79%. For more details on October conditions, check out Oia weather in October.

In January, the weather is generally colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (69°F) and an average of 9°C (49°F). This month sees about 70 mm (2.7 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 87%. In contrast, November offers milder temperatures, with a minimum of 3°C (37°F), an average of 13°C (55°F), and a maximum of 25°C (76°F). However, it is also wetter, receiving 133 mm (5.3 in) of precipitation spread over 13 days, while humidity remains slightly lower at 86%. For more specifics on the November weather, you can check out Oia weather in November.

In January, the weather features slightly cooler temperatures compared to December, with minimums dipping to -2°C (29°F) and an average of 9°C (49°F). In contrast, December enjoys a milder average temperature of 11°C (52°F) and a maximum of 19°C (67°F). Precipitation is also notably different; January receives 70 mm (2.7 in) over about 7 days, while December experiences significantly higher rainfall of 135 mm (5.3 in) across 14 days. Despite these variations, both months maintain a consistent humidity level of 87%, adding a damp chill to the air. For more detailed insights on December weather, visit Oia weather in December.

Compare Oia's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Oia

As January unfolds in Oia, visitors can expect a significant contrast to the warmer months, characterized by cooler temperatures and a notable increase in humidity. With an average temperature hovering around 9°C (49°F), the chilly air calls for warmer clothing, particularly during evening strolls along the picturesque coastline. The slightly increased precipitation, with about 70 mm (2.7 in) spread over a week, adds a fresh, invigorating feel to the region, making it a serene time to explore without the bustling crowds. For a deeper understanding of the seasonal climate, check out Oia Climate.