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January Weather in Olney, United States

Last updated: June 24, 2025

In January, the average temperature in Olney, United States hovers around 1°C (33°F), with potential extremes ranging from a chilling -20°C (-4°F) to a mild 20°C (69°F). During this time, expect 91 mm (3.6 in) of precipitation spread across 9 days, contributing to an average humidity of 84%. Be prepared for a mix of chilly days and some wetter spells!

January Temperature in Olney

In January, in Olney, the average temperature is 1°C (33°F). The maximum can reach 20°C (69°F), and the minimum can be as low as -20°C (-4°F). Travelers should be prepared for a wide range of temperatures, bringing both warm and light clothing to accommodate the chilly nights and potentially mild days.

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

The chart illustrates January temperature patterns in Olney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olney, January typically has an average temperature of 1°C (33°F), with highs reaching up to 20°C (69°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807673604439
Data source: Temperature data for Olney 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 Olney

In Olney in January, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

January Precipitation Trends in Olney

The chart displays monthly precipitation patterns in Olney, 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 Olney, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec91105131119137114101936810310292
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Olney

In Olney in January humidity is 84%. With an average temperature of 1°C (33°F), this humidity feels like an icy blanket, making travel uncomfortable and breathless as the frigid air clings to your skin and dampens your clothes.

January Average Humidity in Olney

This chart illustrates the average monthly humidity levels in Olney, 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 Olney is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Olney

In Olney 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 Olney, you can check the information here.

Maximum UV Index Levels in Olney for January

The chart shows the monthly maximum UV Index (UVI) for Olney 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 Olney typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111099643
Data source: Olney 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 Olney Compares to Other Months

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

This table compares monthly weather conditions in Olney, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)91 mm (3.6 inches)84%moderate
February Weather2°C (37°F)105 mm (4.1 inches)82%moderate
March Weather8°C (47°F)131 mm (5.2 inches)84%high
April Weather13°C (56°F)119 mm (4.7 inches)83%very high
May Weather20°C (68°F)137 mm (5.4 inches)80%very high
June Weather25°C (77°F)114 mm (4.5 inches)83%extreme
July Weather26°C (80°F)101 mm (4.0 inches)82%very high
August Weather25°C (77°F)93 mm (3.7 inches)82%very high
September Weather23°C (73°F)68 mm (2.7 inches)79%very high
October Weather16°C (60°F)103 mm (4.1 inches)79%high
November Weather7°C (44°F)102 mm (4.0 inches)88%moderate
December Weather4°C (39°F)92 mm (3.6 inches)87%moderate

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