January Weather in Glastonbury, United Kingdom

Last updated: March 17, 2025

In Glastonbury, United Kingdom, January weather presents a chilly, yet intriguing snapshot of winter. Temperatures can reach a pleasant maximum of 14°C (58°F), while typically hovering around an average of 6°C (42°F). However, the month can plunge to a brisk minimum of -4°C (25°F). Combining cooler temperatures with a high humidity level of 88%, residents and visitors alike should prepare for damp conditions. Rainfall is common, totaling 55 mm (2.2 in) over approximately 11 days, creating a lush, vibrant landscape that characterizes this historic town during the heart of winter.

January Temperature in Glastonbury

In Glastonbury, January marks the beginning of the year with a chill, as temperatures range from a brisk -4°C (25°F) at night to a comfortable 14°C (58°F) during the day. The average temperature settles around 6°C (42°F), suggesting that while winter's grasp remains, the promise of spring is just around the corner. As the month progresses, the weather slowly begins to warm, leading into February where temperatures dip even lower at night but subtly rise during the day. This trend continues through the winter months, with March hinting at the onset of spring, showcasing milder conditions. Each monthly transition reveals a pattern of gradual warming, culminating in the vibrant temperatures of late spring and summer, painting a picture of seasonal evolution that captivates the charm of Glastonbury.

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

The chart illustrates January temperature patterns in Glastonbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424446495461646259544745
Data source: Temperature data for Glastonbury 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 Glastonbury

In January, Glastonbury experiences an average precipitation of 55 mm (2.2 in), falling over approximately 11 days. This moderate level of rainfall sets the tone for the winter months, with January typically acting as a bridge between the quieter, drier conditions of late autumn and the wetter spells that peak in autumn. As the year progresses, precipitation steadily increases, reaching its highest average of 106 mm (4.2 in) in October, marking the onset of the rainy season. The trend illustrates a gradual rise in both the volume and frequency of rain, peaking mid-year before tapering off in the milder spring months, creating a dynamic landscape that is a hallmark of Glastonbury's climate.

January Precipitation Trends in Glastonbury

The chart displays monthly precipitation patterns in Glastonbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5567764966726880561066694
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Glastonbury

In Glastonbury, United Kingdom, January showcases a notable humidity level of 88%, a figure that remains consistent into February. As the months transition towards spring, humidity begins to dip slightly, reaching 86% in March and then further down to 84% in April. This trend of decreasing humidity continues into May and June, where levels stabilize around 80%. However, as summer sets in, July brings a refreshing drop to 70%, offering a brief respite from the usual dampness. The humidity starts to climb again in August and September, but it doesn’t return to the higher levels seen in the earlier months of the year until autumn arrives, with 89% in October and a peak of 90% in November. By December, the humidity settles back at 89%, closing the year on a damp note, characteristic of Glastonbury's wet climate.

January Average Humidity in Glastonbury

This chart illustrates the average monthly humidity levels in Glastonbury, 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%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Glastonbury

In Glastonbury, the UV Index in January sits at a low 1, indicating minimal risk for overexposure to UV rays, with a burn time of 45 minutes. As winter fades, February maintains this low index, allowing residents and visitors to bask in the winter sun without much concern. However, as we transition into spring, the UV Index begins to climb steadily, reaching 4 in March and jumping to a 6 by April. This trend highlights the increasing intensity of sunlight as the days grow longer and warmer. By May, the index peaks at 7, marking the onset of high sun exposure risks that continue through the summer months of June and July, where it hits a substantial 8—the highest rating on the scale. As autumn sets in, the index gradually declines back to lower levels, settling at 1 by December. This pattern underscores the importance of sun safety as the seasons change; to stay informed about UV levels throughout the year, check Glastonbury UV Index.

Maximum UV Index Levels in Glastonbury for January

The chart shows the monthly maximum UV Index (UVI) for Glastonbury 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: Glastonbury 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 Glastonbury

In Glastonbury, January starts off the year with a modest 90 hours of sunshine, setting a quiet tone for the winter months. As February arrives, the sun begins to shine more brightly, bringing 141 hours of light and hinting at the approaching spring. March continues this upward trend with 195 hours of sunshine, while April and May showcase a remarkable leap, reaching 311 and 384 hours, respectively. This steady increase peaks in July, where the sun graces the region with 403 hours. However, as summer transitions to autumn, the hours begin to recede, with August offering 353 hours and September bringing 286 hours, before further declining into the chill of autumn and winter. Overall, Glastonbury experiences a clear seasonal pattern— a gradual build-up of sunshine in the early months, followed by vibrant summer days, and a considerate tapering as the year winds down.

Monthly Sunshine Duration in Glastonbury: January Highlighted

The January sunshine duration represents the total number of hours Glastonbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h141h195h311h384h366h403h353h286h234h132h106h
Data source: Glastonbury January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Glastonbury During January

In Glastonbury, the likelihood of sunny weather in January hovers around 21%, making it one of the cloudier months of the year. This trend continues into February, with a slight uptick to 23%, but it's not until March that sunshine becomes notably more frequent, reaching 30%. The gradual transition into spring sees a significant rise, with April boasting a vibrant 53% chance of sun, a stark contrast to the winter months. This upward trend in sunny days indicates a shift towards more favorable weather as the year progresses, inviting hope for brighter skies and milder temperatures in the coming months.

Percentage of Sunny Days in January in Glastonbury

The chart illustrates the percentage of sunny days in Glastonbury 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 Glastonbury experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%23%30%53%36%26%38%27%26%23%29%21%
Data source: Glastonbury January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Glastonbury in January

In Glastonbury, United Kingdom, January ushers in around 8 hours of daylight, a modest duration that slowly begins to expand in February with 9 hours. As spring approaches, daylight continues to increase significantly, reaching 11 hours in March and peaking at a delightful 13 hours by April. The trend only gets brighter as May and June bask in 15 and 16 hours of sunlight, respectively, reflecting a vibrant transition into summer. The longest days occur in July, maintaining that peak at 16 hours, before gradually tapering off as autumn sets in. By August, daylight drops to 14 hours, followed by 12 hours in September, and further declines to 10 hours in October. The year closes on a quieter note, with November and December offering just 8 and 7 hours of daylight. This rhythmic ebb and flow of sunlight not only highlights the natural beauty of Glastonbury through the seasons but also invites residents and visitors alike to embrace both the brightness of summer and the introspective calm of winter.

Average Daylight Hours in Glastonbury for January

The chart illustrates the variation in daylight duration in Glastonbury 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 35m16h 29m16h14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Glastonbury daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Glastonbury

In Glastonbury, January greets residents and visitors with an average wind speed of 4.7 m/s (10 mph), setting a brisk tone for the month. This wind speed is relatively mild compared to the following month, February, which sees an increase to 5.4 m/s (12 mph), marking it as the windiest month of the early year. By March, the winds settle back down to 4.6 m/s, before gently tapering off as spring approaches, with April experiencing the calmest winds at 3.5 m/s (8 mph). This noticeable dip in wind speed during the spring months suggests a transitional period where the breezes ease, creating a more serene atmosphere. As the year progresses, a slight resurgence is observed in late autumn with October and December both reaching around 4.4 m/s to 4.8 m/s, wrapping up the year with invigorating gusts. Overall, January's winds resonate with the colder months, foreshadowing a lively fluctuation as the seasons change.

Average January Wind Speed in Glastonbury

The chart displays monthly wind speed patterns in Glastonbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.7 m/s5.44.63.54.63.33.43.83.54.43.84.8
Data source: Glastonbury January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Glastonbury Compares to Other Months

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

In January, the weather tends to be slightly milder, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F). Precipitation is noted at 55 mm (2.2 in) over 11 days, and humidity remains high at 88%. In contrast, February experiences a marginally colder temperature range, with a minimum of -5°C (23°F) and a maximum of 17°C (63°F). However, it also sees increased precipitation at 67 mm (2.6 in) across 13 days, maintaining the same high humidity levels of 88%. For more detailed insights, you can check out Glastonbury weather in February.

In January, the weather is generally cold, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), and an average of 6°C (42°F). It sees around 55 mm (2.2 in) of precipitation over 11 days, coupled with high humidity at 88%. In contrast, March brings slightly milder temperatures, with a minimum of -5°C (22°F) and a maximum of 21°C (70°F), resulting in an average of 8°C (46°F). However, it also experiences increased precipitation of 76 mm (3.0 in) over 15 days, while humidity remains relatively high at 86%. For a more detailed look at the weather in March, you can check Glastonbury weather in March.

January and April present contrasting weather patterns, reflecting the transition from winter to spring. In January, temperatures range from a chilly -4°C (25°F) to a mild 14°C (58°F), with an average of 6°C (42°F), accompanied by significant humidity at 88%. Over the course of the month, precipitation is notable at 55 mm (2.2 in) across 11 days. In comparison, April showcases slightly warmer temperatures, with a minimum of -3°C (27°F) and a maximum of 23°C (73°F), averaging 10°C (50°F). The precipitation decreases to 49 mm (1.9 in) over 9 days, and humidity dips to 84%. For a more detailed forecast, you can check the Glastonbury weather in April.

In comparing the weather conditions of January and May, we see a distinct shift from the cold, damp winter to the more temperate spring. January temperatures typically range from a chilling minimum of -4°C (25°F) to a maximum of 14°C (58°F), with an average of 6°C (42°F). It experiences higher humidity levels at 88% and receives 55 mm (2.2 in) of precipitation over 11 days. In contrast, May brings much milder weather, with temperatures ranging from a minimum of 1°C (33°F) to a comfortable maximum of 26°C (79°F), averaging around 12°C (55°F). Even though May sees a slight increase in precipitation to 66 mm (2.6 in) across 11 days, the overall humidity drops to 80%. This transition highlights the arrival of warmer, more pleasant conditions as spring unfolds. For more specific details on May weather in this region, you can check Glastonbury weather in May.

In January, Glastonbury experiences significantly colder temperatures, with a minimum of -4°C (25°F) and an average of 6°C (42°F), compared to June, where temperatures range from a minimum of 6°C (44°F) to a much warmer average of 16°C (61°F). During June, the weather can reach a maximum of 30°C (87°F), making it feel much more comfortable than the chilly January highs of 14°C (58°F). While both months see similar precipitation days, January has a slightly lower amount of rainfall at 55 mm (2.2 in), while June receives 71 mm (2.8 in). Humidity levels also differ, with January being more humid at 88%, contrasting with June's 80%. For a more detailed look at the June weather in Glastonbury, visit Glastonbury weather in June.

In January, Glastonbury experiences a chillier climate with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), accompanied by high humidity levels of 88% and average precipitation of 55 mm (2.2 in) over 11 days. In contrast, July brings a much warmer and more comfortable temperature range, with minimums of 8°C (46°F) and maximums reaching up to 30°C (86°F). The humidity drops to 70%, and while the precipitation is slightly higher at 68 mm (2.7 in), it still occurs over the same number of days. For more detailed information on the weather during this summer month, you can check Glastonbury weather in July.

January and August present quite contrasting weather patterns. In January, the temperature ranges from a chilly minimum of -4°C (25°F) to a maximum of 14°C (58°F), with an average of 6°C (42°F). This month also sees about 55 mm (2.2 inches) of precipitation over 11 days, combined with a high humidity level of 88%. In stark contrast, August offers a much warmer climate, with temperatures fluctuating between a minimum of 8°C (47°F) and a maximum of 31°C (88°F), averaging around 17°C (63°F). Precipitation increases slightly to 80 mm (3.1 inches) across 13 days, though the humidity drops to a more comfortable 73%. For a more detailed look at Glastonbury's weather, check out Glastonbury weather in August.

In January, Glastonbury experiences a colder climate, with temperatures ranging from a brisk -4°C (25°F) at night to a relatively mild 14°C (58°F) during the day. The month sees an average temperature of around 6°C (42°F) and is characterized by high humidity at 88%. With 55 mm (2.2 in) of precipitation over approximately 11 days, January is often damp and chilly.

In contrast, September brings a more moderate and pleasant climate, with temperatures ranging from a minimum of 2°C (36°F) at night to a warm 29°C (84°F) during the day. The average temperature rises to 15°C (59°F), and the humidity decreases to 79%. Although September has a similar level of precipitation at 56 mm (2.2 in), it typically experiences fewer rainy days, with only about 9 days of rain. For more specific details, you can check the Glastonbury weather in September.

Comparing January and October weather reveals notable differences in temperature and precipitation. In January, temperatures range from a frigid -4°C (25°F) to a maximum of 14°C (58°F), with an average of 6°C (42°F). The month is characterized by relatively low precipitation of 55 mm (2.2 in) over 11 days, accompanied by high humidity at 88%. In contrast, October experiences milder temperatures, ranging from -1°C (31°F) at its lowest to a warm 23°C (73°F) at its peak, with an average of 12°C (54°F). The amount of rainfall increases significantly to 106 mm (4.2 in) spread over 14 days, while humidity remains slightly higher at 89%. For more detailed insights on the October climate, you can refer to this link: Glastonbury weather in October.

In comparison to January, November tends to be slightly milder with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (62°F), contrasting with January's range from -4°C (25°F) to 14°C (58°F). While both months experience considerable precipitation, November has a bit more with 66 mm (2.6 in) over 13 days, compared to January's 55 mm (2.2 in) and 11 days. Additionally, humidity levels are slightly higher in November at 90%, compared to January’s 88%. For more detailed insights, you can visit Glastonbury weather in November.

In comparing the weather of January and December, January generally experiences slightly colder temperatures, with an average of 6°C (42°F) compared to December's 7°C (45°F). Both months have maximum temperatures that reach up to 14°C (58°F), but January tends to have lower minimum temperatures, dipping to -4°C (25°F) versus December's -2°C (28°F). Additionally, January sees less precipitation, with 55 mm (2.2 in) over 11 days, while December has more rain at 94 mm (3.7 in) on 16 days, making it a wetter month overall. Humidity levels are quite similar, with January at 88% and December slightly higher at 89%. For more detailed insights, you can check Glastonbury weather in December.

Compare Glastonbury's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Glastonbury

As January rolls into Glastonbury, the weather reveals a distinct chill, starkly contrasting with the milder months of spring and summer. With an average temperature hovering around 6°C (42°F), this winter month often sees chilly dips to near freezing, reminding both locals and visitors that winter is still very much present. The frequent rainfall, accumulating to about 55 mm, adds a dampness that can feel more pronounced than in other seasons, as the town grapples with an average of 11 wet days. Coupled with high humidity at 88%, January offers a raw and brisk experience that sets the tone for a cozy start to the year. For those curious about Glastonbury's climate throughout the year, visit Glastonbury Climate.