January Weather in Delta Junction, United States

Last updated: June 24, 2025

In Delta Junction, United States, the average temperature in January hovers around -18°C (0°F), with extremes ranging from a chilling -40°C (-40°F) to a milder 4°C (40°F). During this month, expect 14 mm (0.6 in) of precipitation over approximately 4 days, contributing to an average humidity level of 95%. Be prepared for a truly wintry experience!

January Temperature in Delta Junction

In January in Delta Junction, the average temperature is -18°C (0°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -40°C (-40°F). Travelers should be prepared for extremely cold conditions and dress accordingly to ensure comfort and safety.

January Weather in Delta Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Delta Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delta Junction, January typically has an average temperature of -18°C (0°F), with highs reaching up to 4°C (40°F) and lows dropping to around -40°C (-40°F).
JanFebMarAprMayJunJulAugSepOctNovDec-04143349596256463097
Data source: Temperature data for Delta Junction 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 Delta Junction

In Delta Junction in January, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

January Precipitation Trends in Delta Junction

The chart displays monthly precipitation patterns in Delta Junction, 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 Delta Junction, January typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1420242444808412762483334
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Delta Junction

In Delta Junction in January, humidity is 95%. With an average temperature of -18°C (0°F), this humidity feels like an icy fog clinging to your skin, making traveling extremely challenging as you battle the biting cold and dampness that seeps through your layers, leaving you feeling chilled to the bone.

January Average Humidity in Delta Junction

This chart illustrates the average monthly humidity levels in Delta Junction, 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 Delta Junction is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%93%91%87%86%93%94%94%97%99%96%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Delta Junction

In Delta Junction 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 Delta Junction.

Maximum UV Index Levels in Delta Junction for January

The chart shows the monthly maximum UV Index (UVI) for Delta Junction 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 Delta Junction typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112455653211
Data source: Delta Junction 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 Delta Junction Compares to Other Months

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

This table compares monthly weather conditions in Delta Junction, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (0°F)14 mm (0.6 inches)95%low
February Weather-16°C (4°F)20 mm (0.8 inches)93%low
March Weather-10°C (14°F)24 mm (0.9 inches)93%low
April Weather0°C (33°F)24 mm (1.0 inches)91%moderate
May Weather10°C (50°F)44 mm (1.7 inches)87%moderate
June Weather15°C (59°F)80 mm (3.2 inches)86%moderate
July Weather17°C (62°F)84 mm (3.3 inches)93%high
August Weather13°C (56°F)127 mm (5.0 inches)94%moderate
September Weather8°C (46°F)62 mm (2.5 inches)94%moderate
October Weather-1°C (30°F)48 mm (1.9 inches)97%low
November Weather-13°C (9°F)33 mm (1.3 inches)99%low
December Weather-14°C (7°F)34 mm (1.3 inches)96%low

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