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January Weather in Forfar, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Forfar, United Kingdom hovers around 3°C (37°F). Expect chilly extremes, with minimums dipping to -9°C (17°F) and maximums reaching up to 12°C (53°F). Don't forget your umbrella, as precipitation averages 50 mm (2.0 in) over about 10 days, coupled with a high average humidity of 89%.

January Temperature in Forfar

In January in Forfar, the average temperature is 3°C (37°F). The maximum can reach 12°C (53°F), while the minimum can dip as low as -9°C (17°F). Make sure to pack warm clothing if you're planning to visit, as the temperature fluctuations can be quite significant.

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

The chart illustrates January temperature patterns in Forfar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forfar, January typically has an average temperature of 3°C (37°F), with highs reaching up to 12°C (53°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec373740434954585753474138
Data source: Temperature data for Forfar 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 Forfar

In Forfar in January, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

January Precipitation Trends in Forfar

The chart displays monthly precipitation patterns in Forfar, 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 Forfar, January typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec501008243928396101741069791
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Forfar

In Forfar in January, humidity is 89%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and prepare for an understated, yet invigorating, travel experience.

January Average Humidity in Forfar

This chart illustrates the average monthly humidity levels in Forfar, 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 Forfar is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%82%84%86%86%90%91%92%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Forfar

In Forfar 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 Forfar.

Maximum UV Index Levels in Forfar for January

The chart shows the monthly maximum UV Index (UVI) for Forfar 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 Forfar typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Forfar 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 Forfar Compares to Other Months

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

This table compares monthly weather conditions in Forfar, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)50 mm (2.0 inches)89%low
February Weather3°C (38°F)100 mm (3.9 inches)88%low
March Weather4°C (40°F)82 mm (3.2 inches)86%moderate
April Weather6°C (43°F)43 mm (1.7 inches)84%moderate
May Weather9°C (49°F)92 mm (3.6 inches)82%high
June Weather12°C (55°F)83 mm (3.3 inches)84%very high
July Weather14°C (58°F)96 mm (3.8 inches)86%high
August Weather14°C (57°F)101 mm (4.0 inches)86%high
September Weather11°C (53°F)74 mm (2.9 inches)90%moderate
October Weather8°C (47°F)106 mm (4.2 inches)91%moderate
November Weather5°C (42°F)97 mm (3.8 inches)92%low
December Weather3°C (38°F)91 mm (3.6 inches)88%low

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