January Weather in Guildford, United Kingdom

Last updated: March 17, 2025

In January, Guildford, United Kingdom, experiences a diverse range of weather conditions characterized by a maximum temperature of 14°C (58°F) and an average temperature dipping to 5°C (41°F). The month can be quite chilly, with minimum temperatures plummeting to -5°C (23°F). Rainfall is moderate, totaling around 50 mm (2.0 in) over approximately 10 days, contributing to the region's high humidity levels of 91%. Although the bleak weather may deter some, the crisp air and atmospheric charm evoke the quintessential winter season in this historic town.

January Temperature in Guildford

In Guildford, United Kingdom, January presents a chilly landscape, with temperatures ranging from a brisk -5°C (23°F) to a mild 14°C (58°F). This month typically features an average temperature of about 5°C (41°F), signaling the heart of winter. As the month progresses toward February, temperatures dip slightly, occasionally reaching lows of -7°C (19°F), yet the transition hints at a gradual warming trend, with average highs creeping up to 18°C (64°F) by the end of February. Meanwhile, the winter chill gradually lessens with March showcasing an average low of -6°C (21°F) and an encouraging rise in daily highs to 21°C (71°F). The shift from January to March not only marks a transition from cold frigid days to the promise of spring but also emphasizes the region's ability to transform from winter frost to early warmth, beckoning residents and visitors alike to anticipate the budding joy of the months to come.

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

The chart illustrates January temperature patterns in Guildford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656359534644
Data source: Temperature data for Guildford 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 Guildford

In January, Guildford experiences an average precipitation of 50 mm (about 2.0 inches), spread out over approximately 10 days of rainfall. This sets the tone for a damp start to the year, as the town transitions into the wetter months of February and March, where precipitation rises slightly to 53 mm and 57 mm, respectively. Following January's dreariness, April offers a brief respite with a drop to 35 mm (1.4 inches) and fewer rainy days. However, as spring progresses into May and June, moisture levels climb again, peaking at 77 mm in June, indicating the onset of summer rain patterns. Notably, the months following January reveal a consistent upward trend in precipitation, marking a sharp contrast to the drier spells experienced earlier in the year. This cyclical nature of rainfall illustrates Guildford's ever-changing climate, setting the stage for the lush landscapes that follow.

January Precipitation Trends in Guildford

The chart displays monthly precipitation patterns in Guildford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515357356577677044885686
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Guildford

In January, Guildford experiences a high humidity level of 91%, setting the tone for a winter month that feels particularly chill and damp. This month marks the peak of humidity, which begins to decline slightly in February to 89%, yet remains fairly prevalent. As spring approaches, humidity continues to decrease, landing at 86% in March and dropping further to 85% in April. The trend shifts as summer beckons; by May, humidity reduces to 79%, reaching its lowest point in July at 71%. However, as autumn returns, moisture levels climb back up, peaking once again in the colder months, with 92% in both November and December. Overall, Guildford's humidity exhibits a clear seasonal rhythm, characterized by its stark highs in winter and lows during the summer.

January Average Humidity in Guildford

This chart illustrates the average monthly humidity levels in Guildford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Guildford

In January, Guildford experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes. This low level continues through February, maintaining the same UV Index and burn time. A noticeable shift occurs in March when the UV Index rises to 4, transitioning into moderate exposure levels, where the burn time reduces to 30 minutes. As the weather warms in April and May, the UV Index climbs to high levels of 6 and 7, leading to a further decrease in burn time to 25 minutes. The peak intensity occurs during June and July, with a very high UV Index of 8, where sun protection is essential due to a mere 15-minute burn time. The trend begins to decline again in August and September, as the UV Index drops back to high levels. By October and into the winter months, the UV Index returns to low levels, signaling easier sun exposure once more. To learn more about UV levels throughout the year, visit Guildford UV Index.

Maximum UV Index Levels in Guildford for January

The chart shows the monthly maximum UV Index (UVI) for Guildford 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Guildford 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 Guildford

In Guildford, United Kingdom, January starts the year off with a modest 99 hours of sunshine, but as winter gives way to spring, the sun begins to reveal itself more generously. By February, daylight increases to 148 hours, setting the stage for a steady climb through the spring months, peaking at an impressive 326 hours in April and reaching 405 hours in May. This upward trend continues into the summer, with July shining brightly at 408 hours, though it begins to wane as August dips to 375 hours. As autumn arrives, daylight hours diminish, leading to 309 hours in September, before settling into lower figures in the final months of the year. While January may feel gray and gloomy, the gradual increase in sunshine leading into summer provides a vibrant contrast, highlighting the shifting seasons in this charming English town.

Monthly Sunshine Duration in Guildford: January Highlighted

The January sunshine duration represents the total number of hours Guildford 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h148h209h326h405h396h408h375h309h244h149h112h
Data source: Guildford January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guildford During January

In January, the likelihood of enjoying sunny weather in Guildford, United Kingdom, hovers around a mere 20%, marking it as one of the cloudier months of the year. This trend of limited sunny days is not surprising, as it transitions into February with a slight increase to 25%. However, a notable jump occurs in March, where the chance of sunshine rises to 33%, suggesting that as winter begins to fade, so does the persistent gloom. By April, residents can expect a more promising 52% chance of sunny weather, indicating a clear upward trend as spring approaches. This gradual increase in sunlight continues, peaking again in November before dipping slightly back to 19% in December, highlighting the seasonal nature of Guildford's weather patterns. Overall, January's gloomy start serves as a prelude to brighter days ahead as the year progresses.

Percentage of Sunny Days in January in Guildford

The chart illustrates the percentage of sunny days in Guildford 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 Guildford experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%33%52%35%28%38%26%29%26%33%19%
Data source: Guildford January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guildford in January

In Guildford, United Kingdom, the daylight duration takes a compelling journey throughout the year, starting with a modest 8 hours in January, which sets the stage for gradual increases as spring approaches. As February unfolds, daylight extends to 9 hours, hinting at the longer days to come. By March, daylight jumps to 11 hours, welcoming the invigorating energy of spring. The progression continues into April and May, where the days grow longer and brighter, peaking at a delightful 15 hours in May. The summer months of June and July maintain this luminous trend, offering 16 hours of daylight, perfect for outdoor activities. As August rolls in, the hours begin to wane slightly to 14, while September sees a continued decrease to 12 hours. The dip in daylight continues into October at 10 hours and further down to 8 hours in November, with winter's approach marked by the least daylight in December, dropping to just 7 hours. This cyclical pattern not only reflects the seasonal changes but also enhances the rich tapestry of experiences throughout the year in beautiful Guildford.

Average Daylight Hours in Guildford for January

The chart illustrates the variation in daylight duration in Guildford throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 36m16h 29m16h 1m14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Guildford daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Guildford

In January, Guildford experiences an average wind speed of 4.3 m/s (or 10 mph), setting the tone for the winter months as moderate breezes sweep through the region. Interestingly, the wind speed ramps up slightly in February, reaching 4.9 m/s, before declining to 4.5 m/s in March. The arrival of spring in April brings a notable drop to 3.5 m/s, indicating a calmer atmosphere as nature begins to rejuvenate. As temperatures rise into late spring and early summer, wind speeds hover between 3.1 m/s and 4.4 m/s, suggesting a trend towards gentler winds. The pattern continues into the autumn months, where wind speeds fluctuate slightly yet remain close to the January average, capping the year with mild breezes that reflect Guildford's typically temperate climate. Overall, January sets a solid foundation for a year characterized by easygoing winds with just a few seasonal variations.

Average January Wind Speed in Guildford

The chart displays monthly wind speed patterns in Guildford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.3 m/s4.94.53.54.43.13.43.83.34.43.74.4
Data source: Guildford January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Guildford Compares to Other Months

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

January is characterized by slightly milder temperatures compared to February, with average highs reaching 14°C (58°F) and a minimum of -5°C (23°F). In contrast, February experiences a slightly colder minimum of -7°C (19°F), though it can peak higher at 18°C (64°F), leading to an overall average of 6°C (43°F). Both months see a comparable amount of precipitation, with January receiving 50 mm (2.0 in) over about 10 days, while February has just a bit more at 53 mm (2.1 in) spread across 11 days. Humidity levels remain high in both months, with January at 91% and February slightly lower at 89%. For more details on February weather specifically, you can check Guildford weather in February.

In January, the weather tends to be quite cold, with minimum temperatures dipping to -5°C (23°F) and an average temperature of around 5°C (41°F). Precipitation is moderate, with about 50 mm (2.0 in) falling over 10 days, and humidity remains high at 91%. In contrast, March brings a noticeable warming trend; the minimum temperature slightly drops to -6°C (21°F), but the average rises to 7°C (46°F) and the maximum can reach up to 21°C (71°F). While precipitation increases to 57 mm (2.2 in) spread over 13 days, humidity decreases to 86%. For more detailed insights about the weather in March, you can visit Guildford weather in March.

In comparing January and April, the weather transitions significantly. January experiences colder temperatures, with a minimum of -5°C (23°F) and an average of 5°C (41°F), while April sees a noticeable increase in warmth, boasting a minimum of -3°C (27°F) and an average of 10°C (49°F). The maximum temperatures also reflect this shift, rising from January’s 14°C (58°F) to a comfortable 25°C (78°F) in April. Additionally, January has more precipitation, totaling 50 mm (2.0 in) over 10 days, compared to April's lighter rainfall of 35 mm (1.4 in) over just 7 days. Humidity slightly decreases as well, from 91% in January to 85% in April. For more detailed information, you can check Guildford weather in April.

In January, the weather is significantly colder, with average temperatures hovering around 5°C (41°F) and nighttime lows dropping to -5°C (23°F). The month experiences higher humidity at 91% and receives around 50 mm (2.0 in) of precipitation over about 10 days. In contrast, May brings a marked warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F). Although it has slightly more precipitation at 65 mm (2.6 in) over the same number of days, the humidity decreases to 79%, making it feel more comfortable. For more details, you can check out Guildford weather in May.

In January, Guildford experiences chilly temperatures, with averages around 5°C (41°F) and a maximum of 14°C (58°F). The humidity is notably high at 91%, and the region receives about 50 mm (2.0 in) of precipitation over 10 days. In contrast, June brings significantly warmer conditions, featuring temperatures that range from a minimum of 7°C (45°F) to a comfortable average of 16°C (62°F) and peaks at 31°C (88°F). Although June has a slightly higher total precipitation of 77 mm (3.0 in) over 9 days, humidity decreases to 80%. For more details on June weather, you can visit Guildford weather in June.

The weather in January contrasts significantly with that of July in Guildford. In January, temperatures range from a chilling minimum of -5°C (23°F) to a mild maximum of 14°C (58°F), with an average of 5°C (41°F). The month experiences about 50 mm of precipitation over 10 days, coupled with high humidity at 91%, creating a cold and damp atmosphere.

In contrast, July offers a much warmer and sunnier climate, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F) and an average of 18°C (65°F). Although the month sees slightly higher precipitation at 67 mm over 11 days, the humidity drops to a more comfortable 71%. For a more detailed look at July's weather, please visit Guildford weather in July.

January and August present strikingly different weather patterns. In January, temperatures range from a chilly -5°C (23°F) to a mild 14°C (58°F), with an average of 5°C (41°F) and high humidity at 91%. This month typically sees about 50 mm (2.0 in) of precipitation over approximately 10 days. Conversely, August offers a warmer climate, with temperatures fluctuating between 8°C (46°F) and a scorching 33°C (91°F), averaging 17°C (64°F). The humidity drops to a more comfortable 76%, while precipitation increases slightly to 70 mm (2.8 in) over 11 days. For more detailed information, you can check Guildford weather in August.

In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F). The month experiences considerable humidity at 91%, along with an average of 50 mm (2.0 in) of precipitation over about 10 days. In contrast, September enjoys milder temperatures with a minimum of 3°C (37°F) and a maximum of 28°C (83°F). The average temperature in September reaches a comfortable 15°C (59°F), with lower humidity at 82% and slightly less precipitation at 44 mm (1.7 in) over just 8 days. For more detailed information on September weather, you can refer to Guildford weather in September.

January weather in Guildford is typically quite cold, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F). The month sees an average temperature of 5°C (41°F) and experiences around 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by high humidity at 91%. In contrast, October offers a milder climate, with temperatures varying from a minimum of 0°C (33°F) to a maximum of 23°C (73°F) and an average of 12°C (54°F). Rainfall is more abundant in October, totaling 88 mm (3.5 in) over about 13 days, while humidity remains relatively steady at 90%. For more details, check out Guildford weather in October.

January and November exhibit distinct weather patterns that reflect the transition between winter and late autumn. In January, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 14°C (58°F), with an average of 5°C (41°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by high humidity at 91%. In contrast, November features slightly milder temperatures, with a minimum of -2°C (29°F) and a maximum of 16°C (62°F), resulting in an average of 8°C (47°F). Precipitation increases slightly to 56 mm (2.2 in) over 12 days, maintaining a similar humidity level of 92%. For more detailed information, you can check Guildford weather in November.

In comparing the weather between January and December, we see that January tends to be slightly colder, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), while December has a slightly milder average with temperatures from -4°C (26°F) to 15°C (58°F). Precipitation is more frequent in December, occurring over 14 days with a total of 85 mm (3.4 in), compared to January's 50 mm (2.0 in) over 10 days. Additionally, humidity is marginally higher in December at 92%, compared to January's 91%. For a more detailed look at weather conditions, you can check Guildford weather in December.

Compare Guildford's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Guildford

As January settles in, Guildford experiences a unique shift in weather that sets it apart from the rest of the year. While temperatures can dip to a chilly -5°C, the month also brings an average of 5°C, offering a brisk start to the new year. With around 50 mm of rain over 10 days, this month is significantly wetter and more humid, reaching levels of 91% humidity, which can make the air feel particularly crisp. Compared to the milder and sunnier months that follow, January's distinct chill and increased precipitation remind us that winter is still in full swing. For more insights on what to expect throughout the year, explore Guildford Climate.