January Weather in Bletchley, United Kingdom

Last updated: March 17, 2025

January in Bletchley, United Kingdom, presents a chilly yet intriguing weather profile. With maximum temperatures reaching 14°C (58°F) and an average of 5°C (40°F), the month is characterized by brisk days and frosty nights, as lows dip to a chilly -4°C (25°F). The scenery is often enhanced by 54 mm (2.1 in) of precipitation spread over approximately 10 days, adding a touch of winter’s charm. Coupled with high humidity levels at 91%, January in Bletchley invites both residents and visitors to embrace the cool air and the unique atmosphere of this enchanting winter month.

January Temperature in Bletchley

In Bletchley, United Kingdom, January ushers in a crisp chill, boasting minimum temperatures that can dip as low as -4°C (25°F), while daytime averages hover around a nippy 5°C (40°F). The month can occasionally see thermometers rise to a maximum of 14°C (58°F), providing brief respites from the winter cold. As the month progresses, a subtle warming trend hints at the impending spring, with February following closely behind, marked by slightly lower lows and higher maximums. Overall, January serves as a gateway to milder weather, setting the stage for the gradual rise in temperatures that characterizes the subsequent months.

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

The chart illustrates January temperature patterns in Bletchley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404245485461656358524643
Data source: Temperature data for Bletchley 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 Bletchley

In January, Bletchley experiences a moderate start to the year with 54 mm (2.1 in) of precipitation over 10 days. This amount slightly surpasses February's total of 49 mm (1.9 in), indicating a gradual decline in rainfall as the winter months progress. While March sees a rise to 59 mm (2.3 in), January's consistent drizzle sets the tone for a typical British winter, characterized by frequent but brief showers. The trend continues with the overall monthly precipitation fluctuating, demonstrating that while January may not be the wettest month, it certainly plays a key role in what can be expected in terms of weather patterns throughout the year.

January Precipitation Trends in Bletchley

The chart displays monthly precipitation patterns in Bletchley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec544959376775677255935681
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bletchley

In Bletchley, United Kingdom, January ushers in the year with a high humidity level of 91%, setting the tone for a damp winter. This trend of elevated humidity continues into February at 89%, before gradually declining over the spring months, reaching 85% in April and 79% in May. As summer arrives, humidity levels dip further, achieving their lowest point of 71% in July. However, this brief respite is short-lived, as humidity begins to ascend again in August, stabilizing around 76%. The onset of autumn sees a resurgence, with September and October bringing levels of 82% and 90%, respectively, before closing the year with a return to the moist conditions of November and December, both at 92%. This cyclical pattern highlights Bletchley's consistently high humidity throughout most of the year, particularly in the colder months, creating a distinctly damp and cool climate.

January Average Humidity in Bletchley

This chart illustrates the average monthly humidity levels in Bletchley, 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 Bletchley

In January, Bletchley experiences a low UV Index of 1, indicating minimal risk of harm from the sun's rays, with a burn time of about 45 minutes if you're unprotected. The trend remains consistent into February, where the UV Index gently rises to 2, still within the low exposure category. However, as spring approaches, the UV Index begins to climb notably; by March, it reaches 4, signaling a moderate exposure level with a shorter burn time of 30 minutes. This upward trajectory continues, peaking in the summer months with indices of 8 in both June and July, emphasizing the need for protective measures during outdoor activities. As we transition into fall, the index begins to taper off, descending back to 2 in November and returning to 1 in December. This yearly cycle highlights the importance of staying informed about UV levels throughout the seasons, ensuring that you enjoy the outdoors safely. For more detailed information, check out Bletchley UV Index.

Maximum UV Index Levels in Bletchley for January

The chart shows the monthly maximum UV Index (UVI) for Bletchley 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Bletchley 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 Bletchley

In Bletchley, United Kingdom, January welcomes the year with a modest 93 hours of sunshine, a soft precursor to the brighter months ahead. As winter relinquishes its grip, February sees a notable increase to 147 hours, hinting at the optimism of spring. By March, the sun shines brightly for 203 hours, paving the way for a dramatic leap in April to 303 hours. The ascent continues into summer, culminating in June with an impressive 365 hours of radiant sunshine, marking it as the sunniest month of the year. July and August sustain this vibrant trend, though with slightly reduced hours at 389 and 351, respectively. As autumn approaches, September sees a gradual decline to 290 hours, followed by a swift drop in October to 232 hours, and further retreat in November and December, which offer just 138 and 106 hours of sunlight. This annual cycle beautifully illustrates the changing seasons in Bletchley, from the crisp dawns of winter to the long, golden days of summer.

Monthly Sunshine Duration in Bletchley: January Highlighted

The January sunshine duration represents the total number of hours Bletchley 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h147h203h303h380h365h389h351h290h232h138h106h
Data source: Bletchley January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bletchley During January

In Bletchley, the likelihood of enjoying sunny weather in January stands at 22%, which is relatively low compared to the sunnier months that follow. This percentage is slightly higher than December's 16%, hinting at a gradual shift towards brighter days as the year progresses. As we move through the winter months, February shows a modest increase to 25%, paving the way for a more promising March at 26%. However, it's not until April that residents can truly revel in sunnier spells, with the chances skyrocketing to 49%. This trend highlights January as one of the driest months, with sunshine becoming more frequent as spring approaches, reminding us that brighter days are just around the corner.

Percentage of Sunny Days in January in Bletchley

The chart illustrates the percentage of sunny days in Bletchley 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 Bletchley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%26%49%30%24%37%22%28%22%31%16%
Data source: Bletchley January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bletchley in January

In Bletchley, United Kingdom, January heralds the start of the year with just 8 hours of daylight, making it one of the darker months. However, as the calendar flips to February, daylight gradually extends to 9 hours, hinting at the approaching spring. This upward trend continues into March with 11 hours of daylight, providing a significant boost as the days grow longer. By April, residents can bask in 13 hours of sunlight, which peaks at 16 hours during the long summer months of June and July. Even as summer fades, August still offers a generous 14 hours of daylight before tapering off in September to 12 hours. The descent into autumn sees daylight hours decline further, dropping to 10 hours in October and returning to 8 hours by November. Finally, December closes the year with the least daylight at just 7 hours, illustrating a clear cycle of seasonal change in Bletchley’s daylight hours.

Average Daylight Hours in Bletchley for January

The chart illustrates the variation in daylight duration in Bletchley throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 54m13h 56m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Bletchley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Bletchley

In January, Bletchley experiences a gentle average wind speed of 4.3 m/s (10 mph), setting a tranquil tone for the start of the year. This breeze is slightly less robust than in February, when the winds pick up to 5.0 m/s (11 mph), signaling the transition towards the blusterier late winter months. As the seasons shift into spring, March offers a milder 4.6 m/s (10 mph), before the winds settle down in April to a softer 3.5 m/s (8 mph). Interestingly, the summer months see an overall decrease in wind speed, with July reaching its calmest at 3.2 m/s (7 mph), reflecting a trend of more serene weather. However, as autumn approaches, the winds reclaim their strength, with figures rising back to 4.7 m/s (10 mph) in October and December. This rhythmic ebb and flow of wind in Bletchley not only characterizes the changing seasons but also paints a vivid picture of the atmospheric conditions that define this charming corner of the United Kingdom.

Average January Wind Speed in Bletchley

The chart displays monthly wind speed patterns in Bletchley, 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/s5.04.63.54.23.33.23.93.54.74.14.7
Data source: Bletchley January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Bletchley Compares to Other Months

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

January and February showcase fairly similar weather patterns, although February tends to be slightly milder overall. In January, the temperatures range from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), with an average of 5°C (40°F). The month experiences around 54 mm (2.1 in) of precipitation over approximately 10 days, with humidity levels hovering around 91%. In contrast, February sees a small drop in minimum temperatures to -6°C (22°F), but the maximum can reach up to 18°C (65°F) and an average of 6°C (43°F). Precipitation is slightly reduced at 49 mm (1.9 in) over about 11 days, with humidity at 89%. For a more detailed look at February weather, check out Bletchley weather in February.

In January, temperatures in Bletchley hover between a minimum of -4°C (25°F) and a maximum of 14°C (58°F), with an average temperature of around 5°C (40°F). The month experiences significant humidity at 91% and sees about 54 mm (2.1 in) of precipitation over 10 days. In contrast, March brings a slight increase in average temperature to 7°C (45°F), with maximums reaching 22°C (71°F) and a minimum of -6°C (21°F). Although it is slightly drier with 59 mm (2.3 in) of precipitation over 13 days, the humidity is also lower at 86%. For more details about Bletchley's weather in March, visit Bletchley weather in March.

January and April present contrasting weather patterns. In January, temperatures range from a chilly -4°C (25°F) to a mild 14°C (58°F), with an average of 5°C (40°F). The month experiences about 54 mm (2.1 in) of precipitation over 10 days, accompanied by high humidity levels at 91%. In contrast, April enjoys warmer temperatures, with a minimum of -3°C (28°F) and a maximum of 26°C (80°F), resulting in an average of 9°C (49°F). Precipitation decreases to 37 mm (1.4 in) over 8 days, while humidity drops to 85%. For more detailed insights, check out Bletchley weather in April.

When comparing the weather in January and May, it's evident that May offers a significant shift toward warmth and mildness. In January, temperatures range from a chilly -4°C (25°F) at night to a maximum of 14°C (58°F) during the day, while May boasts a more inviting range, with nighttime lows of 0°C (33°F) and daytime highs reaching 27°C (80°F). Additionally, January experiences higher humidity at 91% and more consistent precipitation over 10 days, compared to May’s lower humidity of 79% and slightly increased precipitation of 67 mm (2.6 in) across 11 days. This transition from the cold and dampness of January to the warmth and freshness of May highlights the annual climatic changes that unfold. For more detailed insights, check out Bletchley weather in May.

January weather in Bletchley is characterized by chilly temperatures, with a minimum of -4°C (25°F) and a rather cool average of 5°C (40°F). The month experiences about 54 mm (2.1 in) of precipitation over 10 days, accompanied by high humidity levels at 91%. In stark contrast, June brings much warmer weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 31°C (89°F) and an average of 16°C (61°F). Although June sees slightly more rainfall, totaling 75 mm (3.0 in) over 11 days, the humidity drops to a more comfortable 80%. For more details on June weather in Bletchley, visit Bletchley weather in June.

January and July present stark contrasts in weather. In January, temperatures are quite chilly, with a minimum of -4°C (25°F) and an average of 5°C (40°F), while July boasts much warmer conditions, featuring a minimum of 7°C (45°F) and an average of 18°C (65°F). Additionally, July can reach a scorching maximum of 37°C (98°F), whereas January's highest temperature is a mild 14°C (58°F). Precipitation days are slightly higher in July, with 13 days of rain compared to January's 10 days, and total precipitation also increases somewhat from 54 mm (2.1 in) in January to 67 mm (2.6 in) in July. This variance is further reflected in humidity levels, which are significantly higher in January at 91%, compared to 71% in July. To learn more about the weather patterns during this summer month, visit Bletchley weather in July.

In January, Bletchley experiences cold temperatures with a minimum of -4°C (25°F) and an average of 5°C (40°F), while the weather is generally damp with a high humidity of 91%. The month sees around 54 mm (2.1 in) of precipitation spread over 10 days. In contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 34°C (94°F) and an average of 17°C (63°F). Though it is also a wetter month, receiving 72 mm (2.8 in) of rainfall over 13 days, the lower humidity of 76% makes it feel more comfortable. For more information on the weather conditions, visit Bletchley weather in August.

In comparing the weather between January and September, a notable shift in temperature and conditions can be observed. January experiences a colder climate with average temperatures around 5°C (40°F), while September enjoys a milder average of 15°C (59°F). The maximum temperature in January reaches 14°C (58°F), significantly lower than September's peak of 29°C (85°F). Both months see similar precipitation levels, around 54 mm (2.1 in) for January and 55 mm (2.2 in) for September, with rainfall occurring on about 10 days in each month. However, January's humidity is higher at 91%, compared to September's 82%, which contributes to a more comfortable feel as summer transitions into autumn. For more details on September weather in Bletchley, visit Bletchley weather in September.

In January, the weather is considerably colder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), and an average of 5°C (40°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 10 days, coupled with high humidity at 91%. In contrast, October experiences milder temperatures, with a minimum of 0°C (33°F) and a maximum reaching 23°C (73°F), averaging 11°C (53°F). Although October boasts increased precipitation at 92 mm (3.6 in) over 13 days, the humidity remains slightly lower at 90%. For more specifics on October weather, you can check out Bletchley weather in October.

In comparing the weather between January and November, we observe that November tends to be slightly milder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 17°C (62°F), compared to January's range of -4°C (25°F) to 14°C (58°F). While both months experience high levels of humidity—91% in January and 92% in November—November also sees a marginally higher precipitation level of 56 mm (2.2 in) over an average of 12 days, compared to January's 54 mm (2.1 in) over 10 days. Overall, November offers a more pleasant climate, making it a favorable time to explore the area. For more detailed insights about the weather during this month, check out Bletchley weather in November.

In comparing the weather between January and December, we see some notable differences. January experiences a slightly milder average temperature of 5°C (40°F), compared to December's average of 6°C (43°F). However, December records more precipitation, with 81 mm (3.2 in) falling over 14 days, while January sees a total of 54 mm (2.1 in) over 10 days. Humidity levels remain high in both months, with January at 91% and December at 92%. For more detailed information about December weather, you can visit Bletchley weather in December.

Compare Bletchley's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Bletchley

As we dive into January weather in Bletchley, the chill of winter sets in, making it a stark contrast to the milder months that precede it. With average temperatures hovering around 5°C (40°F), the days are shorter and colder, often requiring an extra layer to stay comfortable. The month also brings with it a notable level of humidity at 91%, accentuating the frosty air. While January may see 54 mm (2.1 in) of precipitation over 10 days, this rainfall often falls as sleet or snow, unlike the gentler rains of spring and summer. For more insights into Bletchley's climate throughout the year, be sure to visit Bletchley Climate.