January Weather in Grain, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Grain, United Kingdom hovers around 5°C (42°F), with a minimum dipping to -1°C (30°F) and a maximum reaching 13°C (56°F). Expect 68 mm (2.7 in) of precipitation spread over 12 days, and be prepared for a notably high average humidity of 91%.

January Temperature in Grain

In January in Grain, the average temperature is 5°C (42°F). Maximum can reach 13°C (56°F) and minimum can be as low as -1°C (30°F). Be prepared for chilly weather with layers if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Grain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grain, January typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (56°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Grain

In Grain in January, the precipitation amount is 68 mm (2.7 in) over the course of 12 days.

January Precipitation Trends in Grain

The chart displays monthly precipitation patterns in Grain, 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 Grain, January typically receives around 68 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Grain

In Grain in January humidity is 91%. With an average temperature of 5°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it challenging to enjoy outdoor activities and travel comfortably.

January Average Humidity in Grain

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

In Grain 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 Grain.

Maximum UV Index Levels in Grain for January

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

Data source: Grain 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 Grain Compares to Other Months

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

This table compares monthly weather conditions in Grain, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	68 mm (2.7 inches)	91%	low
February Weather	6°C (43°F)	73 mm (2.9 inches)	89%	low
March Weather	7°C (46°F)	58 mm (2.3 inches)	86%	moderate
April Weather	9°C (49°F)	29 mm (1.1 inches)	85%	moderate
May Weather	13°C (55°F)	65 mm (2.6 inches)	82%	high
June Weather	16°C (62°F)	70 mm (2.8 inches)	81%	very high
July Weather	18°C (65°F)	67 mm (2.6 inches)	76%	very high
August Weather	18°C (65°F)	81 mm (3.2 inches)	73%	high
September Weather	16°C (61°F)	57 mm (2.2 inches)	80%	moderate
October Weather	13°C (55°F)	99 mm (3.9 inches)	89%	moderate
November Weather	9°C (48°F)	59 mm (2.3 inches)	92%	low
December Weather	7°C (45°F)	107 mm (4.2 inches)	92%	low