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January Weather in Grand Island, United States

Last updated: June 24, 2025

In January, the average temperature in Grand Island, United States hovers around -3°C (26°F). During this time, temperatures can plummet as low as -24°C (-10°F) or rise to a maximum of 15°C (60°F). Expect a modest precipitation amount of 28 mm (1.1 in) over the course of about 4 days. The air is quite humid, with an average humidity level of 73%.

January Temperature in Grand Island

In January in Grand Island, the average temperature is -3°C (26°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -24°C (-10°F). This wide temperature range makes it essential for travelers to pack accordingly, preparing for both chilly and relatively mild conditions.

January Weather in Grand Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grand Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Island, January typically has an average temperature of -3°C (26°F), with highs reaching up to 15°C (60°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec262641496175777469524031
Data source: Temperature data for Grand Island 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 Grand Island

In Grand Island in January, the precipitation amount is 28 mm (1.1 in) over the course of 4 days.

January Precipitation Trends in Grand Island

The chart displays monthly precipitation patterns in Grand Island, 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 Grand Island, January typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2819865614789667159862142
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grand Island

In Grand Island in January, humidity is 73%. With an average temperature of -3°C (26°F), this humidity feels like an icy blanket wrapping around you, making travel quite uncomfortable as the dampness seeps into your clothes and chills you to the bone.

January Average Humidity in Grand Island

This chart illustrates the average monthly humidity levels in Grand Island, 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 Grand Island is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grand Island

In Grand Island 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 Grand Island, you can check the information here.

Maximum UV Index Levels in Grand Island for January

The chart shows the monthly maximum UV Index (UVI) for Grand Island 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 Grand Island typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: Grand Island 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 Grand Island Compares to Other Months

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

This table compares monthly weather conditions in Grand Island, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)28 mm (1.1 inches)73%moderate
February Weather-4°C (26°F)19 mm (0.7 inches)81%moderate
March Weather5°C (41°F)86 mm (3.4 inches)69%high
April Weather10°C (50°F)56 mm (2.2 inches)71%very high
May Weather16°C (62°F)147 mm (5.8 inches)80%very high
June Weather24°C (75°F)89 mm (3.5 inches)83%extreme
July Weather25°C (78°F)66 mm (2.6 inches)84%very high
August Weather24°C (75°F)71 mm (2.8 inches)84%very high
September Weather21°C (69°F)59 mm (2.3 inches)77%very high
October Weather11°C (52°F)86 mm (3.4 inches)72%high
November Weather5°C (41°F)21 mm (0.8 inches)80%moderate
December Weather-1°C (31°F)42 mm (1.6 inches)79%moderate

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