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January Weather in Great Amwell, United Kingdom

Last updated: August 27, 2025

In Great Amwell, United Kingdom, the average temperature in January hovers around 5°C (41°F), with extremes ranging from a chilly -5°C (24°F) to a pleasant 14°C (58°F). Expect about 53 mm (2.1 in) of precipitation over 10 days, accompanied by high average humidity at 91%. Prepare for a mix of cool weather and damp conditions as you explore this unique destination!

January Temperature in Great Amwell

In January in Great Amwell, the average temperature is 5°C (41°F), with maximums reaching up to 14°C (58°F) and minimums dropping as low as -5°C (24°F). Be prepared for a chilly adventure and pack accordingly to fully enjoy your travels!

January Weather in Great Amwell: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Great Amwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Great Amwell, January typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec404345495561656459534643
Data source: Temperature data for Great Amwell 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 Great Amwell

In Great Amwell in January, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

January Precipitation Trends in Great Amwell

The chart displays monthly precipitation patterns in Great Amwell, 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. In Great Amwell, January typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec534954316474677447834783
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Great Amwell

In Great Amwell in January humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.

January Average Humidity in Great Amwell

This chart illustrates the average monthly humidity levels in Great Amwell, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Great Amwell is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Great Amwell

In Great Amwell in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Great Amwell.

Maximum UV Index Levels in Great Amwell for January

The chart shows the monthly maximum UV Index (UVI) for Great Amwell 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. In January, the maximum UV index in Great Amwell typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Great Amwell 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.

How January Weather in Great Amwell Compares to Other Months

Weather in Great Amwell varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Great Amwell, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Great Amwell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)49 mm (1.9 inches)89%low
March Weather7°C (45°F)54 mm (2.1 inches)86%moderate
April Weather9°C (49°F)31 mm (1.2 inches)85%moderate
May Weather13°C (55°F)64 mm (2.5 inches)82%high
June Weather16°C (62°F)74 mm (2.9 inches)81%very high
July Weather18°C (65°F)67 mm (2.6 inches)76%very high
August Weather18°C (64°F)74 mm (2.9 inches)73%high
September Weather15°C (59°F)47 mm (1.9 inches)80%high
October Weather12°C (53°F)83 mm (3.3 inches)89%moderate
November Weather8°C (46°F)47 mm (1.8 inches)92%low
December Weather6°C (43°F)83 mm (3.3 inches)92%low

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