January Weather in Newtown, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Newtown, United Kingdom hovers around 4°C (40°F). While the minimum can plunge to a brisk -6°C (21°F), you might experience a mild maximum of 13°C (55°F). Expect 67 mm (2.7 in) of precipitation over approximately 12 days, paired with a cozy average humidity of 89%.

January Temperature in Newtown

In January in Newtown, the average temperature is 4°C (40°F). Maximums can reach 13°C (55°F), while minimums can drop as low as -6°C (21°F). Travelers should pack accordingly to enjoy their stay comfortably amidst the chilly weather.

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

The chart illustrates January temperature patterns in Newtown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newtown, January typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (55°F) and lows dropping to around -6°C (21°F).

Data source: Temperature data for Newtown generated using information from the Copernicus Climate Change Service.

January Precipitation in Newtown

In Newtown in January, the precipitation amount is 67 mm (2.7 in) over the course of 12 days.

January Precipitation Trends in Newtown

The chart displays monthly precipitation patterns in Newtown, 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 Newtown, January typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Newtown

In Newtown in January humidity is 89%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable and damp, as the cold penetrates through your clothes and the air feels heavy and clinging.

January Average Humidity in Newtown

This chart illustrates the average monthly humidity levels in Newtown, 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 Newtown is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Newtown

In Newtown 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 Newtown.

Maximum UV Index Levels in Newtown for January

The chart shows the monthly maximum UV Index (UVI) for Newtown 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 Newtown typically reaches 1, which falls under the low exposure category.

Data source: Newtown 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 Newtown Compares to Other Months

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

This table compares monthly weather conditions in Newtown, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	67 mm (2.7 inches)	89%	low
February Weather	5°C (41°F)	94 mm (3.7 inches)	88%	low
March Weather	6°C (43°F)	96 mm (3.8 inches)	86%	moderate
April Weather	8°C (46°F)	55 mm (2.2 inches)	84%	high
May Weather	11°C (52°F)	76 mm (3.0 inches)	79%	high
June Weather	14°C (57°F)	88 mm (3.5 inches)	81%	very high
July Weather	16°C (61°F)	68 mm (2.7 inches)	78%	very high
August Weather	15°C (59°F)	86 mm (3.4 inches)	79%	high
September Weather	13°C (55°F)	72 mm (2.8 inches)	85%	high
October Weather	10°C (50°F)	102 mm (4.0 inches)	90%	moderate
November Weather	7°C (45°F)	87 mm (3.4 inches)	91%	low
December Weather	5°C (42°F)	108 mm (4.2 inches)	89%	low