January Weather in Irvine, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Irvine, United Kingdom hovers around 6°C (43°F). Temperatures can dip to a chilly 0°C (32°F) at their lowest and reach a mild 12°C (54°F) at their peak. Expect a fair share of rain, with 155 mm (6.1 in) of precipitation spread over 18 days. The air is notably humid, with an average humidity level of 90%.

January Temperature in Irvine

In January in Irvine, the average temperature is 6°C (43°F). Maximum temperatures can reach 12°C (54°F), while minimums can drop to as low as 0°C (32°F). Be prepared for cool weather and pack accordingly when traveling to Irvine during this time.

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

The chart illustrates January temperature patterns in Irvine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irvine, January typically has an average temperature of 6°C (43°F), with highs reaching up to 12°C (54°F) and lows dropping to around 0°C (32°F).

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

January Precipitation in Irvine

In Irvine in January, the total precipitation amount is 155 mm (6.1 in) spread over 18 days.

January Precipitation Trends in Irvine

The chart displays monthly precipitation patterns in Irvine, 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 Irvine, January typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 18 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 Irvine

In Irvine in January humidity is 90%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill clinging to your skin, making travel uncomfortable as you navigate through the thick, heavy air that seems to sap your energy.

January Average Humidity in Irvine

This chart illustrates the average monthly humidity levels in Irvine, 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 Irvine is approximately 90%, 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 Irvine

In Irvine 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 Irvine.

Maximum UV Index Levels in Irvine for January

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

Data source: Irvine 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 Irvine Compares to Other Months

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

This table compares monthly weather conditions in Irvine, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	155 mm (6.1 inches)	90%	low
February Weather	6°C (43°F)	184 mm (7.2 inches)	88%	low
March Weather	6°C (44°F)	139 mm (5.5 inches)	86%	moderate
April Weather	8°C (46°F)	46 mm (1.8 inches)	85%	moderate
May Weather	10°C (51°F)	70 mm (2.7 inches)	80%	high
June Weather	13°C (56°F)	124 mm (4.9 inches)	83%	very high
July Weather	14°C (58°F)	130 mm (5.1 inches)	82%	very high
August Weather	15°C (58°F)	153 mm (6.0 inches)	82%	high
September Weather	13°C (56°F)	144 mm (5.7 inches)	88%	moderate
October Weather	11°C (52°F)	201 mm (7.9 inches)	90%	moderate
November Weather	8°C (47°F)	178 mm (7.0 inches)	92%	low
December Weather	7°C (44°F)	198 mm (7.8 inches)	89%	low