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January Weather in Annan, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Annan, United Kingdom hovers around 5°C (40°F). However, be prepared for a range as the minimum can dip to -7°C (20°F) while the maximum reaches up to 14°C (57°F). During this month, you can expect about 74 mm (2.9 in) of precipitation spread over 10 days, contributing to a notably high average humidity of 90%. Stay warm and dry!

January Temperature in Annan

In January in Annan, the average temperature is 5°C (40°F), with maximums reaching 14°C (57°F) and minimums dipping as low as -7°C (20°F). Pack accordingly to ensure a comfortable visit as you navigate through chilly days and brisk evenings.

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

The chart illustrates January temperature patterns in Annan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Annan, January typically has an average temperature of 5°C (40°F), with highs reaching up to 14°C (57°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143475258616055504541
Data source: Temperature data for Annan 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.

January Precipitation in Annan

In Annan in January, the precipitation amount is 74 mm (2.9 in) spread over a period of 10 days.

January Precipitation Trends in Annan

The chart displays monthly precipitation patterns in Annan, 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 Annan, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7412196416194871178713194101
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Annan

In Annan in January, humidity is 90%. With an average temperature of 5°C (40°F), this humidity feels like you're walking through a dense fog, making every step feel heavier and more challenging for traveling.

January Average Humidity in Annan

This chart illustrates the average monthly humidity levels in Annan, 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 Annan 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Annan

In Annan 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 Annan.

Maximum UV Index Levels in Annan for January

The chart shows the monthly maximum UV Index (UVI) for Annan 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 Annan typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Annan 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 Annan Compares to Other Months

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

This table compares monthly weather conditions in Annan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)74 mm (2.9 inches)90%low
February Weather5°C (42°F)121 mm (4.8 inches)88%low
March Weather6°C (44°F)96 mm (3.8 inches)86%moderate
April Weather8°C (47°F)41 mm (1.6 inches)85%moderate
May Weather11°C (53°F)61 mm (2.4 inches)80%high
June Weather14°C (58°F)94 mm (3.7 inches)83%very high
July Weather16°C (61°F)87 mm (3.4 inches)82%very high
August Weather15°C (60°F)117 mm (4.6 inches)82%high
September Weather13°C (56°F)87 mm (3.4 inches)88%moderate
October Weather10°C (51°F)131 mm (5.2 inches)90%moderate
November Weather7°C (45°F)94 mm (3.7 inches)92%low
December Weather5°C (42°F)101 mm (4.0 inches)89%low

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