January Weather in Farmington, United States

Last updated: June 24, 2025

In January, the average temperature in Farmington, United States hovers around -4°C (26°F). Keep in mind that temperatures can plunge to a chilling -30°C (-21°F), while occasionally reaching a mild 14°C (58°F). Expect about 54 mm (2.1 in) of precipitation over 6 days, with an average humidity of 81%. Prepare for a wintery experience!

January Temperature in Farmington

In January in Farmington, the average temperature is -4°C (26°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -30°C (-21°F). Be prepared for a wide range of temperatures if you're planning to travel during this month.

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

The chart illustrates January temperature patterns in Farmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmington, January typically has an average temperature of -4°C (26°F), with highs reaching up to 14°C (58°F) and lows dropping to around -30°C (-21°F).
JanFebMarAprMayJunJulAugSepOctNovDec252842516475787570554034
Data source: Temperature data for Farmington 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 Farmington

In Farmington in January, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

January Precipitation Trends in Farmington

The chart displays monthly precipitation patterns in Farmington, 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 Farmington, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5457958816712973771111235043
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Farmington

In Farmington in January, humidity is 81%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps into your bones, making traveling quite uncomfortable and necessitating extra layers to stay warm and dry.

January Average Humidity in Farmington

This chart illustrates the average monthly humidity levels in Farmington, 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 Farmington is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Farmington

In Farmington in January, 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 Farmington, you can check the information here.

Maximum UV Index Levels in Farmington for January

The chart shows the monthly maximum UV Index (UVI) for Farmington 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 Farmington typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Farmington 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 Farmington Compares to Other Months

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

This table compares monthly weather conditions in Farmington, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)54 mm (2.1 inches)81%moderate
February Weather-2°C (28°F)57 mm (2.2 inches)81%moderate
March Weather5°C (42°F)95 mm (3.7 inches)81%high
April Weather10°C (51°F)88 mm (3.5 inches)82%very high
May Weather18°C (64°F)167 mm (6.6 inches)78%very high
June Weather24°C (75°F)128 mm (5.1 inches)81%extreme
July Weather26°C (78°F)73 mm (2.9 inches)79%very high
August Weather24°C (75°F)77 mm (3.0 inches)77%very high
September Weather21°C (70°F)111 mm (4.4 inches)78%very high
October Weather13°C (55°F)123 mm (4.9 inches)78%high
November Weather5°C (40°F)50 mm (2.0 inches)87%moderate
December Weather1°C (34°F)43 mm (1.7 inches)84%low

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