January Weather in Cahokia, United States

Last updated: February 24, 2025

In January, Cahokia experiences a wide range of temperatures, with a maximum reaching 20°C (68°F) and an average hovering around 0°C (33°F), dipping as low as -21°C (-5°F). This month is marked by significant precipitation, accumulating to 79 mm (3.1 in) over approximately 8 days, creating a wintery landscape. The humidity levels are notably high at 82%, adding to the chill in the air. Overall, January in Cahokia presents a unique blend of cold and moisture, characteristic of the heart of winter.

January Temperature in Cahokia

January in Cahokia, United States, showcases a striking range of winter temperatures, with minimums plummeting to -21°C (-5°F) and averaging around 0°C (33°F). Despite the cold, highs can reach a surprising 20°C (68°F), hinting at the variability characteristic of the season. As the month progresses, the transition to February begins, where temperatures gradually rise, with minimums hovering at -19°C (-2°F) and averages inching up to 2°C (36°F). This upward trend is further emphasized in March, when the region starts to thaw, offering minimums of -16°C (3°F) and average temperatures of 8°C (48°F). Throughout these three months, the stark contrast between the lows and highs illustrates the unpredictable nature of Cahokia's winter climate, setting the stage for the warmer, more stable temperatures that follow in spring.

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

The chart illustrates January temperature patterns in Cahokia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807773594539
Data source: Temperature data for Cahokia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Cahokia

January in Cahokia experiences an average precipitation of 79 mm (3.1 in) over approximately 8 days, marking the beginning of the year with a moderate rainfall pattern. This precipitation lays the groundwork for a slightly wetter February, which sees an increase to 82 mm (3.2 in) over 10 days. As the months progress, the rainfall trends notably higher, especially in late spring, where March and April both hover around 135 mm (5.3 in), indicating a significant uptick in precipitation as the region transitions into warmer weather. Interestingly, May continues this trend with the highest monthly total of 146 mm (5.7 in), showcasing a pronounced wet season. Conversely, July and August maintain relatively stable precipitation levels around 92 mm (3.6 in) and 131 mm (5.1 in), before September marks a sharp decline to just 58 mm (2.3 in), signaling a shift towards drier autumn months. Overall, the data illustrates a distinct seasonal pattern, with the most significant rainfall occurring in late spring and early summer, followed by a noticeable decrease as the year winds down.

January Precipitation Trends in Cahokia

The chart displays monthly precipitation patterns in Cahokia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79831351351469492131581077564
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Cahokia

In Cahokia, United States, January brings notably high humidity at 82%, setting the stage for a winter that feels more damp than dry. This trend continues modestly into February and March, where humidity remains at around 80%. As spring unfolds in April and May, the levels remain stable, slightly creeping up to 82% in May. The onset of summer in June sees a slight peak at 83%, before a gentle decline to 81% in July and 80% in August. Following this peak, humidity begins to drop as the seasons transition, hitting its lowest point at 76% in both September and October. However, by the time November rolls in, humidity spikes again to 85%, creeping even higher to 86% in December. This cyclical pattern underscores how Cahokia’s humidity ebbs and flows, creating a unique atmosphere that varies dramatically with the seasons.

January Average Humidity in Cahokia

This chart illustrates the average monthly humidity levels in Cahokia, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cahokia

In Cahokia, the UV Index in January averages a moderate 3, allowing for a burn time of 30 minutes under the sun. As the months progress, the UV Index gradually increases, peaking in June with an extreme level of 11 where just 10 minutes of exposure can lead to burns. Notably, the transition from March to April marks a significant jump in UV intensity, shifting from a high 7 to a very high 9, signaling the approach of the sunnier months. Throughout the summer, the UV Index remains consistently high, with values hovering between 9 to 10 until the fall, when it begins to taper off. This seasonal increase in UV exposure reminds everyone to stay vigilant about sun safety. For more detailed information, visit the Cahokia UV Index.

Maximum UV Index Levels in Cahokia for January

The chart shows the monthly maximum UV Index (UVI) for Cahokia 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Cahokia 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.

January Sunshine in Cahokia

In Cahokia, United States, the January sunshine marks the beginning of the year with a modest 127 hours of bright days, setting the stage for a gradual increase in daylight as winter yields to spring. As the months progress, there’s a notable ascent in sunlight, peaking in July with an impressive 349 hours, showcasing the vibrant energy of summer. This peak is followed by a subtle decline in daylight as autumn approaches, with August and September still benefiting from ample sunshine, before tapering to 196 hours in December. The overall trend reveals a beautiful rhythm of increasing light through the spring and summer, encouraging a lively outdoor spirit, and then a gentle retreat as the year comes to a close.

Monthly Sunshine Duration in Cahokia: January Highlighted

The January sunshine duration represents the total number of hours Cahokia experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec127h177h207h240h289h328h349h328h291h242h215h196h
Data source: Cahokia January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cahokia During January

In January, Cahokia experiences a 30% chance of sunny weather, reflecting one of the year's lower probabilities for sunshine. This trend of limited winter sun contrasts sharply with the sunnier months ahead. As spring approaches, the likelihood of sunny days steadily increases, reaching 45% in March and climbing further to 49% in April. The onset of summer brings even more optimism, as July tops the charts with a 51% chance of sunny days, followed closely by August at 47%. This gradual shift from the chilly, overcast beginnings of the year to the vibrant, sunlit days of late summer showcases the dynamic weather patterns characteristic of Cahokia. As we look beyond January, residents can eagerly anticipate the return of brighter skies.

Percentage of Sunny Days in January in Cahokia

The chart illustrates the percentage of sunny days in Cahokia throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cahokia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%29%45%49%27%42%51%47%64%40%53%48%
Data source: Cahokia January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cahokia in January

In Cahokia, United States, January welcomes a modest 9 hours of daylight, setting the stage for gradual increases as winter gives way to spring. By February, the days lengthen to 10 hours, and this momentum continues through March, reaching 11 hours. The arrival of April brings a significant shift, with daylight extending to 13 hours, as nature awakens. May and June maintain this trend, each offering a generous 14 hours of sunlight, perfect for outdoor enthusiasts. As summer fades into autumn, daylight gradually recedes, with August featuring 13 hours before dipping to 12 hours in September. The descent continues through October and November, each month showcasing 11 and 10 hours respectively, before closing the year once again with 9 hours of daylight in December. This cyclical pattern not only highlights the seasonal transitions but also offers a rhythm to life in Cahokia.

Average Daylight Hours in Cahokia for January

The chart illustrates the variation in daylight duration in Cahokia throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 58m13h 13m14h 16m14h 47m14h 30m13h 34m12h 22m11h 8m10h 3m9h 30m
Data source: Cahokia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Cahokia

January in Cahokia sets the tone for the year with a gentle average wind speed of 3.2 m/s (7 mph), marking it as one of the calmer months. As we transition into February and March, the breezes pick up slightly to 3.7 m/s (8 mph), creating a refreshing atmosphere that hints at the approaching spring. However, April sees a small dip back to 3.4 m/s (8 mph), maintaining a comfortable feel as nature begins to awaken. The winds tend to soften as the months warm, reaching their lowest point in July at 2.0 m/s (5 mph), mirroring the sultry summer heat. Interestingly, as autumn sets in, the wind speeds gradually rise again, suggesting a shift in seasonal dynamics. By the time December arrives, the average wind returns to 3.6 m/s (8 mph), wrapping up the year with a briskness that reflects the chilly charm of winter. This cycle showcases a dance of winds that, while variable, seems to naturally ebb and flow with the seasons in Cahokia.

Average January Wind Speed in Cahokia

The chart displays monthly wind speed patterns in Cahokia, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.2 m/s3.73.73.43.12.72.02.33.03.43.33.6
Data source: Cahokia January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Cahokia Compares to Other Months

The weather in Cahokia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cahokia and find detailed weather information for every month.

January and February exhibit notable differences in weather patterns, although both months share a chilly atmosphere. In January, temperatures can plummet to a minimum of -21°C (-5°F), with an average temperature around 0°C (33°F) and highs reaching 20°C (68°F). The month sees precipitation totaling 79 mm (3.1 in) over about 8 days and maintains a relatively high humidity level of 82%.

Conversely, February brings slightly milder conditions, with minimum temperatures around -19°C (-2°F) and an average of 2°C (36°F), while highs can rise to 25°C (77°F). Precipitation increases to 82 mm (3.2 in), occurring over 10 days, and humidity dips slightly to 80%. For a detailed look at February weather specifics, you can visit Cahokia weather in February.

In January, temperatures in Cahokia typically range from a chilly minimum of -21°C (-5°F) to a maximum of 20°C (68°F), with an average around 0°C (33°F). The month sees about 79 mm (3.1 in) of precipitation over 8 days, coupled with a high humidity of 82%. In contrast, March brings a noticeable warming trend, with temperatures ranging from a minimum of -16°C (3°F) to a maximum of 28°C (82°F) and an average of 8°C (48°F). Precipitation increases to 134 mm (5.3 in) over 12 days, while humidity remains slightly lower at 80%. For more details, check Cahokia weather in March.

In January, temperatures in Cahokia can be quite frigid, with lows reaching -21°C (-5°F) and an average of around 0°C (33°F). The weather is characterized by significant precipitation of 79 mm (3.1 in) over approximately 8 days, all while maintaining high humidity levels at 82%.

In contrast, April brings a notable shift, with minimum temperatures rising to -4°C (25°F) and an average reaching a more comfortable 13°C (56°F). The maximum temperatures can soar up to 31°C (88°F), and while April sees increased precipitation at 135 mm (5.3 in) across 11 days, humidity slightly decreases to 80%. The change from January to April marks a transition from icy cold to significantly warmer conditions, showcasing the dramatic seasonal shifts in Cahokia's climate. For more detailed information on April weather in Cahokia, visit Cahokia weather in April.

In January, temperatures can plunge as low as -21°C (-5°F), with an average of around 0°C (33°F) and occasional peaks reaching up to 20°C (68°F). The month is characterized by significant precipitation, totaling 79 mm (3.1 in) over approximately 8 days, accompanied by high humidity levels of 82%. In contrast, May experiences a much milder climate, with minimum temperatures around 4°C (40°F), an average of 20°C (68°F), and maximums soaring to 34°C (94°F). Precipitation is higher in May, reaching 146 mm (5.7 in) across 14 days, while the humidity remains consistent at 82%. For more detailed insights on May weather, you can check Cahokia weather in May.

In January, temperatures can plunge to a frigid minimum of -21°C (-5°F), with an average of around 0°C (33°F) and a maximum of 20°C (68°F). The month experiences about 79 mm (3.1 in) of precipitation over 8 days, coupled with a high humidity level of 82%. In stark contrast, June brings warmth with a minimum temperature of 12°C (54°F), averaging 25°C (77°F) and peaking at 36°C (97°F). While June sees slightly more precipitation at 94 mm (3.7 in) over 11 days, the humidity remains similar at 83%. For more detailed information, you can check Cahokia weather in June.

In January, the weather is typically quite frigid, with temperatures ranging from a minimum of -21°C (-5°F) to an average of 0°C (33°F) and peaking at 20°C (68°F). The month experiences approximately 79 mm (3.1 in) of precipitation over about 8 days, accompanied by a high humidity level of 82%. In contrast, July brings a dramatic shift in climate, with milder temperatures ranging from a minimum of 16°C (61°F) to an average of 27°C (80°F) and a maximum reaching 38°C (102°F). July sees slightly higher precipitation at 92 mm (3.6 in) over 10 days, while the humidity remains relatively stable at 81%. For a closer look at what to expect during July, you can check out Cahokia weather in July.

The weather in January and August contrasts sharply, highlighting the extremes of the seasons. In January, temperatures can plummet to a chilling -21°C (-5°F), with an average of 0°C (33°F) and a maximum of 20°C (68°F). The month experiences 79 mm (3.1 in) of precipitation over approximately 8 days, accompanied by high humidity at 82%. In stark contrast, August boasts milder temperatures, with a minimum of 12°C (55°F) and an average of 25°C (77°F), peaking at a sweltering 36°C (96°F). Precipitation increases to 131 mm (5.1 in) over about 12 days, while humidity remains relatively steady at 80%. For more insights into the August weather, check Cahokia weather in August.

January and September exhibit starkly different weather conditions. January's frigid temperatures can plummet to a chilling -21°C (-5°F), averaging around 0°C (33°F) and reaching highs of 20°C (68°F), while September offers a much milder climate with minimums of 7°C (46°F) and daily averages of 23°C (73°F), peaking at 35°C (95°F). Precipitation is slightly higher in January at 79 mm (3.1 in) over 8 days, compared to September's 58 mm (2.3 in) over just 7 days. Additionally, January's humidity sits at a relatively high 82%, while September's is slightly lower at 76%. To explore the weather specifics in September, you can visit Cahokia weather in September.

In January, temperatures can plummet to a chilling minimum of -21°C (-5°F), with an average of 0°C (33°F) and occasional highs reaching 20°C (68°F). This winter month experiences significant precipitation totaling 79 mm (3.1 in) over approximately 8 days, coupled with high humidity at 82%. In contrast, October offers a much milder climate, with temperatures ranging from a minimum of -3°C (26°F) to an average of 15°C (60°F) and potential highs soaring to 34°C (94°F). This month sees increased precipitation, with 107 mm (4.2 in) over around 11 days and a slightly lower humidity of 76%. For more details, you can check out the specific conditions of Cahokia weather in October.

In comparing January and November weather, January showcases a more severe cold with temperatures ranging from a minimum of -21°C (-5°F) to a maximum of 20°C (68°F) and an average temperature of 0°C (33°F). In contrast, November experiences milder conditions, with a minimum of -12°C (10°F), an average of 7°C (45°F), and a maximum of 25°C (78°F). While January sees slightly more precipitation at 79 mm (3.1 in) over 8 days compared to November's 75 mm (3.0 in) over 9 days, humidity remains slightly higher in November at 85% versus 82% in January. For further details on November's weather, you can visit Cahokia weather in November.

In comparing January and December weather, January tends to be colder overall, with average temperatures hovering around 0°C (33°F), compared to December's milder average of 4°C (40°F). While January experiences a minimum temperature of -21°C (-5°F) and occasional maximums reaching up to 20°C (68°F), December's temperatures range from a low of -16°C (3°F) to a high of 23°C (74°F). Additionally, January receives slightly more precipitation with 79 mm (3.1 in) over 8 days, compared to December's 64 mm (2.5 in) over 7 days. Humidity levels are also higher in January at 82%, while December sees a humidity level of 86%. For more detailed insights about December weather, you can check Cahokia weather in December.

Compare Cahokia's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Cahokia

In Cahokia, January presents a stark contrast to the milder months of the year, plunging into cold temperatures and a significant chill in the air. With averages hovering around freezing and potential dips well below zero, residents experience a wintery mix that challenges outdoor activities. Precipitation is not uncommon during this month, often manifesting as cold rain or light snow, coupled with high humidity that adds to the brisk atmosphere. This unique weather pattern encourages residents to embrace indoor warmth and community events, making January a distinctive chapter in Cahokia's annual climate narrative. For a deeper look into the broader aspects of Cahokia's climate, visit Cahokia Climate.