December Weather in East Grinstead, United Kingdom

Last updated: March 17, 2025

In East Grinstead, United Kingdom, December brings a blend of chill and moisture, with maximum temperatures reaching a mild 14°C (58°F) and averaging around 7°C (44°F). As winter settles in, residents can expect minimum temperatures dropping to a brisk -3°C (26°F). This month is marked by significant precipitation, totaling 102 mm (4.0 in) over roughly 14 days, contributing to a high humidity level of 92%. These conditions create a characteristic wintry atmosphere, perfect for cozy indoor activities while the crisp air invites brisk walks.

December Temperature in East Grinstead

In December, the temperatures in East Grinstead begin to dip further as winter sets in, showcasing a notable trend of colder weather. With minimums averaging around -3°C (26°F) and average highs only reaching 14°C (58°F), this month acts as a clear transition from the milder autumn days. The average temperature settles at about 7°C (44°F), reflecting a consistent chill that invites festive cozying up indoors. Compared to earlier months, December stands out as the coldest, with temperatures dropping significantly from the highs of November, which maxed out at 16°C (61°F). Overall, East Grinstead in December offers a brisk and refreshing atmosphere, perfect for enjoying the festive season.

December Weather in East Grinstead: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in East Grinstead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495561646359544744
Data source: Temperature data for East Grinstead 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.

December Precipitation in East Grinstead

December in East Grinstead, United Kingdom, typically marks the peak of winter precipitation, with an average rainfall of 102 mm (4.0 in) over 14 days. This significant increase in precipitation compared to the preceding months reflects the onset of the wetter season, with only October and November closely rivaling it in terms of rainfall. While January through March generally see consistent levels around 57-60 mm, December stands out, indicating a festive finish to the year as the landscape transforms under the weight of winter moisture. As the year closes, this spike in precipitation often sets the stage for a lush and vibrant spring, illustrating a cyclical rhythm in East Grinstead's climatic patterns.

December Precipitation Trends in East Grinstead

The chart displays monthly precipitation patterns in East Grinstead, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5760573565715870539267102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in East Grinstead

In East Grinstead, December ushers in a notable shift, as humidity levels peak at 92%, mirroring the dampness of November. This high humidity paves the way for a chilly and often overcast atmosphere, typical of winter's grasp. As the year progresses, there’s a clear trend of decreasing humidity from the early months, with January beginning at a robust 91%, gradually dropping to a low of 73% in August. However, as the seasons change, the latter months see a resurgence in moisture, with both November and December showcasing elevated humidity, confirming the town's cool, moist winter remnants. This seasonal pattern not only enhances the cold, crisp air of December but also contributes to the enchanting, misty landscapes that characterize the countryside during this time of year.

December Average Humidity in East Grinstead

This chart illustrates the average monthly humidity levels in East Grinstead, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in East Grinstead

In East Grinstead, United Kingdom, the UV Index experiences a notable annual cycle, reflecting the changing seasons and sun exposure. December brings the UV Index down to *1, categorized as low, which means you can enjoy outdoor activities with minimal sun protection, allowing for a comfy burn time of 45 minutes. This trend follows the consistently low UV levels of January and February. As spring approaches, values start to rise, peaking in the summer months of June and July at a significant *8, signaling a need for greater caution under intense sunlight. With the gentle transition back to winter in November and December, the UV levels provide a timely reminder of the importance of adapting our sun safety practices throughout the year. For more detailed information, check East Grinstead UV Index.

Maximum UV Index Levels in East Grinstead for December

The chart shows the monthly maximum UV Index (UVI) for East Grinstead in December, 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: East Grinstead December 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.

December Sunshine in East Grinstead

As the year draws to a close in December, East Grinstead experiences a noticeable dip in sunshine hours, with only 109 hours of bright days illuminating the winter landscape. This decline is part of a broader trend; following the sunniest months of June and July, which basked in over 400 hours of sunshine each, the following months gradually yield to longer nights and overcast skies. From the vibrant blooms of May with 402 hours of sunshine to the muted 146 hours of November, it's clear that seasonal transitions deeply influence the region's daylight experience. Come December, the festive spirit holds sway, even as sunlit moments become rare, reminding residents that the warmth of the holidays shines brightly, even when the sun may not.

Monthly Sunshine Duration in East Grinstead: December Highlighted

The December sunshine duration represents the total number of hours East Grinstead experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec96h146h211h324h402h397h409h377h310h243h146h109h
Data source: East Grinstead December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in East Grinstead During December

In December, the likelihood of sunny weather in East Grinstead, United Kingdom, dips to 20%, making it one of the cloudiest months of the year. This decline from the more consistently sunny spring months, where sunny days reach up to 55% in April, underscores a clear seasonal trend. As winter approaches, the chance of sunshine wanes, following the pattern set in the preceding months—where November offers a somewhat brighter 35% chance. The significant dip in December reflects the transition into the colder, darker days, reminding residents to embrace the cozy comforts of winter rather than relying on the sun.

Percentage of Sunny Days in December in East Grinstead

The chart illustrates the percentage of sunny days in East Grinstead throughout the year, with December 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 East Grinstead experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%26%37%55%38%31%40%33%35%27%35%20%
Data source: East Grinstead December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in East Grinstead in December

As December arrives in East Grinstead, the daylight duration dwindles to just 7 hours, marking the shortest days of the year. This decrease in light is part of a natural progression observed throughout the months. After basking in the long, sun-soaked days of summer—where June boasts a radiant 16 hours—the daylight gradually tapers off, slipping to 8 hours in November. The transition from autumn to winter is stark, emphasizing the cozy charm of the season. As we turn the corner into the New Year, it's a reminder of the cyclical nature of time and light, where each month brings its own rhythm and anticipation of the brightness that lies ahead.

Average Daylight Hours in East Grinstead for December

The chart illustrates the variation in daylight duration in East Grinstead throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 28m10h 1m11h 55m13h 51m15h 33m16h 26m15h 58m14h 26m12h 34m10h 38m8h 54m7h 59m
Data source: East Grinstead daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in East Grinstead

As December settles over East Grinstead, the wind begins to pick up, with an average speed of 4.8 m/s (11 mph), a notable shift as the year draws to a close. This month's wind pattern shows a slight increase compared to the calmer summer months, where June and July recorded their lowest averages of 3.2 m/s (7 mph) and 3.7 m/s (8 mph), respectively. While the winds in early winter months like November averaged 4.0 m/s (9 mph), December's gusts align more closely with the spring's conditions, reminiscent of March's 4.8 m/s (11 mph). Overall, the data reflects a seasonal trend where wind speeds fluctuate, peaking in late winter and early spring, while quieter months linger in the warmth of summer.

Average December Wind Speed in East Grinstead

The chart displays monthly wind speed patterns in East Grinstead, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.75.34.83.94.83.23.74.23.64.94.04.8 m/s
Data source: East Grinstead December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in East Grinstead Compares to Other Months

The weather in East Grinstead changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in East Grinstead and find detailed weather information for every month.

December and January exhibit some notable differences in weather conditions. December typically features a milder average temperature of 7°C (44°F), with maximums reaching up to 14°C (58°F), while January sees an average drop to 5°C (41°F) and maximums of 13°C (56°F). Precipitation levels are higher in December, averaging 102 mm (4.0 in) over 14 days, compared to January’s 57 mm (2.2 in) across just 10 days. Furthermore, both months experience high humidity, with December slightly higher at 92% compared to January's 91%. For more detailed information, you can check East Grinstead weather in January.

In December, the weather is noticeably colder, with minimum temperatures reaching -3°C (26°F) and average highs of 14°C (58°F). The month also brings significant precipitation, totaling 102 mm (4.0 in) spread over 14 days, contributing to a high humidity level of 92%. In contrast, February experiences slightly lower minimum temperatures, dipping to -6°C (22°F), but average highs can be as warm as 17°C (62°F). Precipitation decreases to 60 mm (2.3 in) over 12 days, and humidity is slightly lower at 89%. For more detailed information on February conditions, you can visit East Grinstead weather in February.

In December, the weather is generally colder, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (58°F), accompanied by high humidity at 92%. The month experiences significant precipitation, totaling 102 mm (4.0 in) over about 14 days. In contrast, March sees slightly milder conditions, with temperatures varying from a minimum of -6°C (22°F) to a maximum of 19°C (67°F). Although March has an average temperature of 8°C (46°F), it receives less precipitation, with only 57 mm (2.2 in) also over 14 days, and humidity decreases to 86%. For more detailed information, you can visit East Grinstead weather in March.

December and April present contrasting weather patterns, with December characterized by cooler temperatures and higher humidity. In December, temperatures range from a minimum of -3°C (26°F) to a maximum of 14°C (58°F), accompanied by significant precipitation of 102 mm (4.0 in) over 14 days, resulting in a notable humidity level of 92%. Conversely, April brings milder weather, with temperatures spanning from -2°C (29°F) to a much warmer 23°C (74°F), and considerably less precipitation at 35 mm (1.4 in) over just 8 days, leading to a lower humidity of 85%. For more detailed insights, check out East Grinstead weather in April.

In December, the weather is generally colder and more humid, with temperatures ranging from a chilly -3°C (26°F) to a maximum of 14°C (58°F). The month experiences significant precipitation, averaging about 102 mm (4.0 in) over 14 days, contributing to a high humidity level of 92%. In contrast, May brings milder conditions, with temperatures climbing from a minimum of 1°C (33°F) to a pleasant high of 25°C (77°F), and an average of 13°C (55°F). Precipitation in May is lower at 65 mm (2.6 in), spread across 12 days, and humidity decreases to 82%. For a closer look at what to expect during this vibrant spring month, check out East Grinstead weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly -3°C (26°F) to a milder 14°C (58°F), with an average of 7°C (44°F). The month is characterized by high humidity at 92% and significant precipitation, totaling 102 mm (4.0 in) over 14 days. In stark contrast, June offers a much warmer climate, with temperatures peaking at a pleasant 30°C (87°F) and averaging 16°C (61°F). Precipitation is less frequent, with only 71 mm (2.8 in) falling over 8 days, and humidity is notably lower at 81%. For more specific information about the weather in June, visit East Grinstead weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly -3°C (26°F) at their lowest to a mild 14°C (58°F) at their peak, accompanied by significant precipitation of 102 mm (4.0 in) over 14 days and a high humidity level of 92%. In contrast, July offers a much warmer atmosphere, with temperatures fluctuating between a minimum of 9°C (48°F) and a maximum of 34°C (93°F). The month sees less rainfall, totaling 58 mm (2.3 in) over 11 days, and humidity is lower at 76%. For a more detailed look at July weather, check out East Grinstead weather in July.

December and August present striking contrasts in weather conditions. December sees colder temperatures, with average highs of only 7°C (44°F), while August enjoys much warmer averages, peaking at 17°C (64°F) and soaring up to 32°C (90°F). Precipitation is more frequent in December, with 102 mm (4.0 in) over 14 days compared to August's 70 mm (2.7 in) spread across 11 days. Additionally, the humidity in December reaches a high of 92%, making the chilly air feel even more brisk, whereas August's humidity is considerably lower at 73%, contributing to a more comfortable, warm atmosphere. For more detailed insights about August weather, visit East Grinstead weather in August.

In comparing the weather between December and September, we find notable differences in temperature and precipitation. December experiences colder temperatures, with a minimum of -3°C (26°F) and an average of 7°C (44°F), while September offers milder conditions, where temperatures range from a minimum of 2°C (37°F) to an average of 15°C (59°F) and can reach a maximum of 27°C (81°F). Additionally, December sees higher precipitation levels at 102 mm (4.0 in) over 14 days, compared to September's 53 mm (2.1 in) over 10 days. Humidity levels are also higher in December, reaching 92%, compared to 80% in September. For further insights on September weather, you can check East Grinstead weather in September.

In December, temperatures drop significantly, with average highs reaching only 14°C (58°F) compared to October’s warmer average of 12°C (54°F). The minimum winter temperature can plummet to -3°C (26°F) in December, whereas October starts at a milder minimum of 2°C (35°F). Precipitation is slightly higher in December, totaling 102 mm (4.0 in) over 14 days, compared to October’s 92 mm (3.6 in) over the same number of days. Humidity is also higher in December at 92%, compared to October’s 89%, contributing to a distinctly colder and wetter feel during the winter month. For more detailed insights, you can check East Grinstead weather in October.

December weather exhibits a chilly temperament, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (58°F). In contrast, November is slightly milder, with temperatures varying from a minimum of -2°C (28°F) to a maximum of 16°C (61°F). Rainfall also increases from November to December, with December receiving 102 mm (4.0 in) of precipitation over 14 days, compared to November's 67 mm (2.7 in) over 12 days. Both months share the same humidity level of 92%, but December's colder temperatures and higher precipitation create a distinctly different atmosphere. For more detailed information, you can check East Grinstead weather in November.

Compare East Grinstead's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in East Grinstead

December in East Grinstead brings a notable shift in weather compared to other months, characterized by cooler temperatures and increased humidity. As the year closes, locals and visitors alike can expect average temperatures hovering around 7°C (44°F), contrasted by the occasional drop to a chilly -3°C (26°F) at night. This month is marked by higher precipitation, with rainfall occurring on about half the days, bringing a total of ~102 mm (4.0 in) throughout the month. While December's weather may be less inviting for outdoor activities, it wraps the town in a cozy ambiance, perfect for enjoying the festive season. For more insights into the climatic patterns throughout the year, check out East Grinstead Climate.