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October Weather in Gretna, United Kingdom

Last updated: August 27, 2025

In Gretna, United Kingdom, the average temperature in October hovers around 10°C (50°F). Expect a minimum of -4°C (26°F) and a maximum of 21°C (70°F) throughout the month. With 124 mm (4.9 in) of precipitation over 18 days, you’ll likely see plenty of rain, and the air will be quite humid, averaging at 90%.

October Temperature in Gretna

In October in Gretna, the average temperature is 10°C (50°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as -4°C (26°F). It's advisable to pack layers to stay comfortable during your travels.

October Weather in Gretna: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Gretna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gretna, October typically has an average temperature of 10°C (50°F), with highs reaching up to 21°C (70°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec394143465257605955504441
Data source: Temperature data for Gretna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Gretna

In Gretna in October, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.

October Precipitation Trends in Gretna

The chart displays monthly precipitation patterns in Gretna, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Gretna, October typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec731179840609587113851248797
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Gretna

In Gretna in October humidity is 90%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp blanket enveloping you, making traveling uncomfortable as the cool air mixed with high moisture can lead to persistent chilliness and a constant sense of being wet, even while walking around.

October Average Humidity in Gretna

This chart illustrates the average monthly humidity levels in Gretna, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Gretna is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Gretna

In Gretna in October, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Gretna, you can check the information here.

Maximum UV Index Levels in Gretna for October

The chart shows the monthly maximum UV Index (UVI) for Gretna in October, 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 October, the maximum UV index in Gretna typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Gretna October 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 October Weather in Gretna Compares to Other Months

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

This table compares monthly weather conditions in Gretna, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)73 mm (2.9 inches)90%low
February Weather5°C (41°F)117 mm (4.6 inches)88%low
March Weather6°C (43°F)98 mm (3.9 inches)86%moderate
April Weather8°C (46°F)40 mm (1.6 inches)85%moderate
May Weather11°C (52°F)60 mm (2.4 inches)80%high
June Weather14°C (58°F)95 mm (3.7 inches)83%very high
July Weather16°C (61°F)87 mm (3.4 inches)82%very high
August Weather15°C (59°F)113 mm (4.5 inches)82%high
September Weather13°C (55°F)85 mm (3.3 inches)88%moderate
October Weather10°C (50°F)124 mm (4.9 inches)90%moderate
November Weather7°C (45°F)87 mm (3.4 inches)92%low
December Weather5°C (41°F)97 mm (3.8 inches)89%low

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