January Weather in Harlech, United Kingdom

Last updated: March 17, 2025

In January, Harlech experiences a mix of cold and damp conditions, with maximum temperatures reaching 13°C (56°F) and averaging around 5°C (42°F). The chill can intensify with minimum temperatures dropping to -3°C (26°F). This month is characterized by significant rainfall, accumulating to 105 mm (4.2 in) over 14 days, contributing to a high humidity level of 89%. Visitors and residents alike can expect a wintry atmosphere that highlights the rugged charm of this coastal town.

January Temperature in Harlech

In Harlech, United Kingdom, January showcases a brisk winter climate, with temperatures ranging from a chilly -3°C (26°F) at their lowest to a relatively mild 13°C (56°F) at peak. The average temperature during this month hovers around 5°C (42°F), setting the stage for an invigorating start to the year. As winter progresses into February, a slight dip in temperatures can be observed, with January's chilly vibe carrying through February's colder nights, reaching a minimum of -5°C (24°F). However, the real transformation occurs as spring approaches; by March, the temperatures begin to rise slowly, hinting at the warmth ahead. The general trend indicates that while January remains the month for frosty air and cozy indoors, the seasonal shift is palpable, with each passing month steadily inching towards milder, more inviting weather.

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

The chart illustrates January temperature patterns in Harlech, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244485258615956514643
Data source: Temperature data for Harlech 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 Harlech

In January, Harlech experiences a notable start to the year with 105 mm (4.2 in) of precipitation, spread across approximately 14 days. This sets the tone for a typically wet winter, although it is less rainy compared to the heavier downpours in the subsequent months, particularly February, which sees a steep rise to 145 mm (5.7 in) of rain over 17 days. As spring approaches, the precipitation stabilizes slightly, with March and April showing reduced amounts of 138 mm (5.5 in) and 58 mm (2.3 in), respectively. This pattern continues through the early summer months, culminating in a dramatic increase in August when rainfall hits 144 mm (5.7 in), often characterized by lengthy spells of rain. Overall, January serves as a precursor to a dynamic and varied precipitation trend that typifies the wet climate of this coastal region throughout the year.

January Precipitation Trends in Harlech

The chart displays monthly precipitation patterns in Harlech, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10514513858859691144130161138170
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harlech

In January, the humidity in Harlech, United Kingdom, hovers at a notable 89%, setting the tone for a winter characterized by damp conditions. As the months progress into February, there’s a slight decrease to 88%, but the humid air lingers throughout March at 86%. Spring brings a gradual decline; April sees humidity drop to 84%, followed by May at 79%, where the air feels noticeably drier. However, the trend shifts again come summer, with humidity rising slightly to 81% in June and dipping to 78% in the sun-kissed July. As autumn approaches, humidity levels escalate once more, peaking at 91% in November before returning to 89% in December. This cyclical pattern highlights a seasonally fluctuating climate, where the contrast between the fresh, crisp days of spring and the heavy, moist air of winter creates a dynamic atmospheric experience in Harlech.

January Average Humidity in Harlech

This chart illustrates the average monthly humidity levels in Harlech, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harlech

In January, Harlech experiences a UV Index of 1, indicating a low exposure category with a burn time of 45 minutes. This level of UV radiation is consistent with the winter months, where sunlight is less intense and protective measures are not urgent. As the year progresses, the UV Index begins to rise gradually, peaking at 8 in the summer months of June and July, highlighting the need for increased sun protection during this period. Notably, from March to May, the UV Index shifts from moderate to high, suggesting a significant change as we transition into spring. This trend demonstrates the importance of staying aware of UV levels as the seasons change. For a closer look at the UV Index forecast throughout the year, visit Harlech UV Index.

Maximum UV Index Levels in Harlech for January

The chart shows the monthly maximum UV Index (UVI) for Harlech 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Harlech 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 Harlech

In Harlech, the dawn of January brings 94 hours of sunshine, setting the stage for a gradual increase in light as the months unfold. By February, the sun begins to shine more generously with 158 hours, heralding the approach of spring. March ushers in a remarkable surge, offering 225 hours, while April delights with 330 hours, truly igniting the sunny season. May reaches a peak with 411 hours, closely followed by June's 402 hours, showcasing Harlech's vibrant summer. As July hits, the sun shines its brightest with 420 hours, before gently tapering off in August at 385 hours. The days shorten further in September with 313 hours, and October brings 239 hours, signaling autumn's arrival. Finally, November and December wrap up the year with 125 hours and 106 hours of sunshine, reminding us of the cyclical nature of light in this charming coastal town. Throughout the year, the patterns reveal a vivid tapestry of seasonal change, inviting both residents and visitors to bask in the beauty of Harlech’s diverse climate.

Monthly Sunshine Duration in Harlech: January Highlighted

The January sunshine duration represents the total number of hours Harlech 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h158h225h330h411h402h420h385h313h239h125h106h
Data source: Harlech January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Harlech During January

In Harlech, United Kingdom, January offers a modest 17% chance of sunny weather, setting the stage for a typically chilly start to the year. This likelihood of sunshine gradually increases in the following months, with February at 20% and March tipping the scale to 25%. As spring approaches, the sunshine potential becomes more promising, particularly in April when it jumps to 47%. While January may be overcast and dreary, the trend unmistakably points towards brighter days ahead, encouraging optimism for sunshine as winter gives way to spring.

Percentage of Sunny Days in January in Harlech

The chart illustrates the percentage of sunny days in Harlech 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 Harlech experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%20%25%47%28%24%36%23%21%15%22%16%
Data source: Harlech January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Harlech in January

In Harlech, United Kingdom, January daylight typically lasts 8 hours, marking the start of a gradual increase as winter recedes. As the month transitions to February, the days extend to 9 hours, hinting at the approaching spring. This upward trend accelerates in March with 11 hours of daylight, inviting longer afternoons and a sense of renewal. By April, 13 hours grace the landscape, and May reaches a delightful 15 hours, fostering a vibrant outdoor culture. June and July peak at a splendid 16 hours, showcasing the long, sunlit days of summer. As August arrives, daylight starts to wane with 14 hours, followed by a steady decline through September with 12 hours and October’s 10 hours. The cycle concludes in November and December, where twilight returns with 8 hours and 7 hours respectively, signaling a return to winter's embrace. This rhythmic fluctuation of daylight underscores the enchanting seasonal changes in Harlech, promising both challenge and beauty throughout the year.

Average Daylight Hours in Harlech for January

The chart illustrates the variation in daylight duration in Harlech throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 46m16h 15m14h 36m12h 36m10h 32m8h 41m7h 41m
Data source: Harlech daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Harlech

In January, Harlech experiences an average wind speed of 4.0 m/s (9 mph), setting the tone for the winter months. This initial gustiness is relatively gentle compared to the following month, February, which sees an increase to 5.1 m/s (11 mph), making it the windiest month of winter. As the seasons transition into spring, winds moderate slightly to 4.4 m/s (10 mph) in March, before dipping further to 3.0 m/s (7 mph) in both April and June. With the approach of summer, July witnesses a notable decrease, hitting a calm 2.5 m/s (5 mph), the lowest point in the yearly wind cycle. However, as autumn rolls in, wind speeds pick up again, reaching 4.6 m/s (10 mph) in October before stabilizing around 3.9 m/s (9 mph) in November and returning to 4.4 m/s (10 mph) in December. This seasonal ebb and flow highlights how Harlech's winds can vary significantly, from brisk winter gusts to the softer breezes of summer.

Average January Wind Speed in Harlech

The chart displays monthly wind speed patterns in Harlech, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.0 m/s5.14.43.03.63.02.53.42.94.63.94.4
Data source: Harlech January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Harlech Compares to Other Months

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

January and February exhibit noticeable differences in weather patterns. January typically sees temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), with an average of 5°C (42°F). It experiences a total precipitation of 105 mm (4.2 in) over 14 days and high humidity levels at 89%. By contrast, February presents slightly colder minimums at -5°C (24°F) but enjoys a higher average of 6°C (43°F) and can reach a comfortable maximum of 18°C (65°F). February also records increased precipitation at 145 mm (5.7 in) over 17 days, while maintaining a humidity level comparable to January at 88%. For a closer look at February conditions, check out Harlech weather in February.

In January, temperatures typically hover between a minimum of -3°C (26°F) and a maximum of 13°C (56°F), with an average of 5°C (42°F). The month experiences considerable precipitation, totaling 105 mm (4.2 in) over about 14 days, coupled with high humidity at 89%. In contrast, March brings slightly warmer temperatures, ranging from a low of -6°C (21°F) to a high of 18°C (65°F), with an average of 7°C (44°F). However, it sees increased rainfall, accumulating 138 mm (5.5 in) across 18 days, while humidity remains relatively high at 86%. For a more detailed look at March weather specifics, you can visit Harlech weather in March.

In January, temperatures can drop to a minimum of -3°C (26°F), while averaging around 5°C (42°F) and reaching a maximum of 13°C (56°F). The month sees a higher precipitation level of 105 mm (4.2 in) over 14 days, contributing to a relatively high humidity of 89%. In contrast, April experiences a milder climate, starting with similar minimum temperatures of -3°C (28°F), but averaging 9°C (48°F) and peaking at a maximum of 22°C (72°F). Precipitation decreases to 58 mm (2.3 in) across 12 days and humidity drops slightly to 84%. For more detailed insights, check Harlech weather in April.

In January, temperatures in Harlech range from a chilly -3°C (26°F) to a maximum of 13°C (56°F), with an average of 5°C (42°F). The month is characterized by high humidity at 89% and a significant amount of precipitation totaling 105 mm (4.2 in) over 14 days. In contrast, May sees a noticeable warming trend, with temperatures starting at a minimum of 0°C (32°F) and peaking at 27°C (80°F), averaging around 11°C (53°F). Precipitation in May is slightly lower at 85 mm (3.3 in), spread over 13 days, and humidity drops to 79%. For more details on May weather, you can visit Harlech weather in May.

In January, the weather is significantly colder, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F) and an average of 5°C (42°F). This month experiences higher precipitation, totaling 105 mm (4.2 in) over about 14 days, and maintains a high humidity level of 89%. In contrast, June brings milder temperatures, with a minimum of 5°C (42°F), an average of 14°C (58°F), and a maximum of 28°C (83°F). Although June sees slightly less precipitation at 96 mm (3.8 in) over 16 days, the humidity is lower at 81%. For more detailed information on weather conditions during this month, you can visit Harlech weather in June.

In January, the weather is typically much colder, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), and an average temperature around 5°C (42°F). The month also sees significant precipitation, with about 105 mm (4.2 in) falling over 14 days, coupled with high humidity at 89%. In contrast, July offers a warmer climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (84°F) and an average temperature of 16°C (61°F). While July experiences slightly lower precipitation at 91 mm (3.6 in) over the same number of days, the humidity is reduced to 78%, creating a more comfortable atmosphere. For more details on July's weather, you can visit Harlech weather in July.

In January, the weather is cold, with temperatures ranging from a chilly -3°C (26°F) at night to a mild 13°C (56°F) during the day, accompanied by significant precipitation of 105 mm (4.2 in) over 14 days. The high humidity level of 89% adds to the wintery feel. In contrast, August brings much warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 27°C (80°F), along with increased rainfall of 144 mm (5.7 in) spread across 20 days, though the humidity is lower at 79%. This shift from the cold, damp conditions of January to the warmer, wetter days of August illustrates the dramatic seasonal transformation. For more detailed information, check Harlech weather in August.

In January, temperatures are considerably colder, with a minimum of -3°C (26°F) and an average of 5°C (42°F), while September enjoys milder conditions with a minimum of 2°C (36°F) and an average of 13°C (56°F). Precipitation is relatively high in both months, with January receiving 105 mm (4.2 in) over 14 days and September slightly higher at 130 mm (5.1 in) across 16 days. Humidity levels are also comparable, but January is a bit more humid at 89%, compared to September’s 85%. For a closer look at the weather in September specifically, you can check out Harlech weather in September.

January and October exhibit distinct differences in their weather patterns. January experiences colder temperatures, with an average of 5°C (42°F) and a maximum of only 13°C (56°F), while October boasts a much milder average of 11°C (52°F) and can reach up to 21°C (70°F). Precipitation is more prominent in October, with 161 mm (6.3 in) over 19 days, compared to January's 105 mm (4.2 in) over 14 days. Additionally, humidity levels are notably high in both months, with January at 89% and October slightly higher at 90%. For more detailed information, you can check Harlech weather in October.

January and November exhibit notable differences in weather conditions. January generally experiences colder temperatures, with a minimum of -3°C (26°F) and an average of 5°C (42°F), while November is slightly warmer, with temperatures ranging from a minimum of -1°C (30°F) to an average of 8°C (47°F). In terms of precipitation, November sees more rain, totaling 138 mm (5.4 in) over 19 days compared to January's 105 mm (4.2 in) over 14 days. Both months exhibit high humidity, with January at 89% and November slightly higher at 91%. For more details on November weather, you can visit Harlech weather in November.

In December, the weather is marked by an average temperature of 6°C (44°F), slightly warmer than January's average of 5°C (42°F). Both months experience a minimum temperature of -3°C (26°F) and a maximum of 13°C (55°F to 56°F), but December sees significantly more precipitation, totaling 170 mm (6.7 in) over about 20 days compared to January's 105 mm (4.2 in) over 14 days. Humidity remains steady at 89% for both months, but the increased rainfall and number of wet days in December make it feel much wetter. For a closer look at the weather conditions during this month, check out Harlech weather in December.

Compare Harlech's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Harlech

As January settles in, Harlech experiences a unique blend of chilly temperatures and persistent moisture that sets it apart from other months. With an average temperature dipping to a brisk 5°C, this month often feels colder, particularly at night when temperatures can plummet near freezing. The high humidity of 89% coupled with frequent rainfall, totaling around 105 mm over 14 days, adds to the damp atmosphere, making it a time when the local landscape is vibrant yet often shrouded in gray skies. For those planning a visit, it’s a reminder to bundle up and embrace the distinctive charm of winter in this picturesque coastal town. For more details, check out Harlech Climate.