February Weather in St Johnston, Ireland

Last updated: August 23, 2025

Average Temperature Overview for St Johnston, Ireland in February
The average temperature in St Johnston, Ireland during February is a cool 6°C (42°F). Expect minimums dipping as low as -3°C (27°F) and maximums reaching up to 15°C (59°F). During this month, you'll encounter approximately 113 mm (4.4 in) of precipitation spread over 16 days, and the air will feel quite damp, with an average humidity of 84%.

February Temperature in St Johnston

In February in St Johnston, the average temperature is 6°C (42°F). Maximum temperatures can reach 15°C (59°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack layers and prepare for variable weather conditions if you're planning a trip.

February Weather in St Johnston: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in St Johnston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Johnston, February typically has an average temperature of 6°C (42°F), with highs reaching up to 15°C (59°F) and lows dropping to around -3°C (27°F).

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

February Precipitation in St Johnston

In St Johnston in February, the precipitation amount is 113 mm (4.4 in) spread over 16 days.

February Precipitation Trends in St Johnston

The chart displays monthly precipitation patterns in St Johnston, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In St Johnston, February typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

February Humidity in St Johnston

In St Johnston in February humidity is 84%. With an average temperature of 6°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel less enjoyable as you find yourself bundled up yet still damp, longing for warmth and comfort.

February Average Humidity in St Johnston

This chart illustrates the average monthly humidity levels in St Johnston, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in St Johnston is approximately 84%, offering insight into how humid the weather typically is during this month.

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

February UV Index in St Johnston

In St Johnston in February, 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 St Johnston, you can visit Hourly UV Index in St Johnston.

Maximum UV Index Levels in St Johnston for February

The chart shows the monthly maximum UV Index (UVI) for St Johnston in February, 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 February, the maximum UV index in St Johnston typically reaches 2, which falls under the low exposure category.

Data source: St Johnston February 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 February Weather in St Johnston Compares to Other Months

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

This table compares monthly weather conditions in St Johnston, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	72 mm (2.8 inches)	84%	low
February Weather	6°C (42°F)	113 mm (4.4 inches)	84%	low
March Weather	6°C (44°F)	106 mm (4.2 inches)	83%	moderate
April Weather	8°C (47°F)	64 mm (2.5 inches)	84%	moderate
May Weather	11°C (52°F)	93 mm (3.7 inches)	83%	high
June Weather	13°C (56°F)	107 mm (4.2 inches)	83%	very high
July Weather	15°C (59°F)	99 mm (3.9 inches)	86%	very high
August Weather	15°C (58°F)	157 mm (6.2 inches)	86%	high
September Weather	13°C (55°F)	97 mm (3.8 inches)	87%	moderate
October Weather	10°C (50°F)	112 mm (4.4 inches)	87%	moderate
November Weather	7°C (46°F)	94 mm (3.7 inches)	88%	low
December Weather	6°C (43°F)	103 mm (4.1 inches)	84%	low