January Weather in Hailsham, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Hailsham, United Kingdom hovers around 7°C (45°F). Expect the mercury to dip as low as 1°C (34°F), while it can rise to a maximum of 13°C (55°F). With an average precipitation of 78 mm (3.1 in) over about 13 days, and high humidity reaching 91%, it's wise to prepare for a damp and chilly experience.

January Temperature in Hailsham

In January in Hailsham, the average temperature is 7°C (45°F). The maximum can reach 13°C (55°F), and the minimum can be as low as 1°C (34°F). It's advisable to pack layers if you plan on traveling during this time to stay comfortable in varying temperatures.

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

The chart illustrates January temperature patterns in Hailsham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailsham, January typically has an average temperature of 7°C (45°F), with highs reaching up to 13°C (55°F) and lows dropping to around 1°C (34°F).

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

January Precipitation in Hailsham

In Hailsham in January, the precipitation amount is 78 mm (3.1 in) spread over 13 days.

January Precipitation Trends in Hailsham

The chart displays monthly precipitation patterns in Hailsham, 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 Hailsham, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Hailsham

In Hailsham in January humidity is 91%. With an average temperature of 7°C (45°F), this humidity feels like a thick blanket wrapping around you, making it difficult to stay comfortable while traveling.

January Average Humidity in Hailsham

This chart illustrates the average monthly humidity levels in Hailsham, 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 Hailsham is approximately 91%, 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 Hailsham

In Hailsham in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Hailsham, you can visit Hourly UV Index in Hailsham.

Maximum UV Index Levels in Hailsham for January

The chart shows the monthly maximum UV Index (UVI) for Hailsham 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 Hailsham typically reaches 2, which falls under the low exposure category.

Data source: Hailsham 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 Hailsham Compares to Other Months

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

This table compares monthly weather conditions in Hailsham, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	78 mm (3.1 inches)	91%	low
February Weather	7°C (45°F)	80 mm (3.2 inches)	89%	low
March Weather	8°C (47°F)	67 mm (2.6 inches)	86%	moderate
April Weather	9°C (49°F)	31 mm (1.2 inches)	85%	high
May Weather	12°C (54°F)	49 mm (1.9 inches)	82%	high
June Weather	15°C (59°F)	60 mm (2.3 inches)	81%	very high
July Weather	17°C (63°F)	49 mm (1.9 inches)	76%	very high
August Weather	18°C (64°F)	70 mm (2.8 inches)	73%	high
September Weather	16°C (62°F)	66 mm (2.6 inches)	80%	high
October Weather	14°C (58°F)	131 mm (5.1 inches)	89%	moderate
November Weather	11°C (52°F)	120 mm (4.7 inches)	92%	low
December Weather	9°C (48°F)	147 mm (5.8 inches)	92%	low