January Weather in Delta, United States

Last updated: June 24, 2025

In Delta, United States, the average temperature in January hovers around -2°C (29°F). Expect chilly days, with temperatures dipping to a minimum of -25°C (-12°F) and potentially rising to a maximum of 17°C (62°F). Precipitation is quite frequent, averaging 70 mm (2.8 in) over 9 days, and the air is notably humid with an average humidity level of 88%. Stay warm and cozy!

January Temperature in Delta

In January in Delta, the average temperature is -2°C (29°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -25°C (-12°F). It's advisable to pack warm layers and be prepared for significant temperature fluctuations while traveling.

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

The chart illustrates January temperature patterns in Delta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delta, January typically has an average temperature of -2°C (29°F), with highs reaching up to 17°C (62°F) and lows dropping to around -25°C (-12°F).

Data source: Temperature data for Delta generated using information from the Copernicus Climate Change Service.

January Precipitation in Delta

In Delta in January, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.

January Precipitation Trends in Delta

The chart displays monthly precipitation patterns in Delta, 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, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Delta

In Delta in January, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

January Average Humidity in Delta

This chart illustrates the average monthly humidity levels in Delta, 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 is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Delta

In Delta 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 Delta, you can check the information here.

Maximum UV Index Levels in Delta for January

The chart shows the monthly maximum UV Index (UVI) for Delta 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 typically reaches 3, which falls under the moderate exposure category.

Data source: Delta 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 Compares to Other Months

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

This table compares monthly weather conditions in Delta, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	70 mm (2.8 inches)	88%	moderate
February Weather	-1°C (30°F)	72 mm (2.8 inches)	87%	moderate
March Weather	4°C (40°F)	86 mm (3.4 inches)	87%	high
April Weather	9°C (49°F)	95 mm (3.7 inches)	87%	very high
May Weather	16°C (62°F)	144 mm (5.7 inches)	81%	very high
June Weather	22°C (72°F)	107 mm (4.2 inches)	82%	very high
July Weather	24°C (76°F)	109 mm (4.3 inches)	81%	very high
August Weather	23°C (73°F)	89 mm (3.5 inches)	78%	very high
September Weather	20°C (68°F)	58 mm (2.3 inches)	78%	very high
October Weather	13°C (56°F)	92 mm (3.6 inches)	82%	high
November Weather	5°C (41°F)	82 mm (3.2 inches)	89%	moderate
December Weather	1°C (34°F)	56 mm (2.2 inches)	86%	low