January Weather in Greenville, United States

Last updated: February 24, 2025

January in Greenville, United States, presents a blend of chilly and brisk conditions, with average temperatures hovering around 7°C (44°F). Maximum highs can reach 25°C (78°F), while the minimum dips down to a frosty -12°C (10°F). With 99 mm (3.9 in) of precipitation over 8 days, the month brings a mix of rain and wintery weather, creating a mildly humid atmosphere at 86%. Residents and visitors alike should prepare for a variety of weather experiences as they navigate through the heart of winter.

January Temperature in Greenville

In January, Greenville experiences a noteworthy temperature range that showcases the chill of winter with a minimum dipping to -12°C (10°F). However, on average, the month offers a more moderate 7°C (44°F), allowing for some respite from the cold. The maximum temperature can reach an inviting 25°C (78°F), hinting at the transition towards warmer days as the month progresses. Contrasting with February, where the temperatures gradually rise, January sets the stage for a slow warming trend that culminates in the milder temperatures of spring. As the winter chill begins to wane, residents and visitors alike start to anticipate the impending warmth, making January a month of both stark cold and hopeful warmth.

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

The chart illustrates January temperature patterns in Greenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444954617076807874655147
Data source: Temperature data for Greenville 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 Greenville

In Greenville, January is characterized by a moderate precipitation level of 99 mm (3.9 in), spread over approximately 8 days of rain. This sets the stage for a gradual increase in both rainfall and rainy days as the seasons transition; February sees a noteworthy surge to 144 mm (5.7 in), marking a shift that continues into the spring months. As the weather warms, precipitation peaks in May with 137 mm (5.4 in), coinciding with an uptick in rainy days throughout the late spring and summer. Interestingly, despite the summer months being traditionally associated with heavier rainfall, June and July show a decline, bringing just 87 mm (3.4 in) and 93 mm (3.7 in) respectively. This trend of variable precipitation weaves a rich tapestry of weather patterns, reflecting the dynamic climate that governs Greenville throughout the year.

January Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec99144109125138889312113213095130
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Greenville

In Greenville, United States, January brings a notable humidity level of 86%, setting the tone for the winter months that follow. This consistent level of moisture persists into February and March, suggesting a tendency for the season to maintain a humid atmosphere. As spring approaches in April, there's a slight dip to 82%, but humidity remains relatively high, bouncing back to 85% in May and June, before gently decreasing through the summer into August. The shift towards a more temperate humidity level continues into the fall, with September and October recording 76% and 80% respectively. Interestingly, as winter re-emerges in November and December, humidity peaks again at 88%, closing the year on a notably damp note. Overall, Greenville showcases a captivating rhythm in humidity throughout the year, characterized by a moist winter and a gradual transition towards drier conditions in the middle of the year.

January Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Greenville

In Greenville, January brings a moderate UV Index of 4, indicating that sun exposure poses a low risk for most people, with a burn time of approximately 30 minutes. As the months progress towards summer, the UV Index escalates sharply; for instance, February sees an increase to 6, categorizing it as high exposure, while March and April surge into the very high range, reaching an index of 8 and 10, respectively, with much shorter burn times of just 15 minutes. The summer months are particularly intense, peaking at an extreme UV Index of 11 in May through July, where protective measures become crucial with burn times dropping to 10 minutes. This trend illustrates a significant shift in UV radiation throughout the year, emphasizing the importance of sun safety strategies, especially as spring transitions into summer. For more details on UV exposure trends in the area, visit Greenville UV Index.

Maximum UV Index Levels in Greenville for January

The chart shows the monthly maximum UV Index (UVI) for Greenville 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Greenville 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 Greenville

In Greenville, United States, January welcomes the year with a modest 168 hours of sunshine, foreshadowing a gradual increase in daylight as winter transitions into spring. By February, the hours climb to 177, hinting at the approaching warmth. March sees a notable leap to 240 hours, as the sun begins to reclaim its prominence, paving the way for an even sunnier April with 275 hours. The trend continues into May and June, where residents bask in 303 and 320 hours of sunshine, respectively. The peak arrives in July, boasting an impressive 345 hours, before slowly tapering off into August. As the seasons shift, sunshine hours gradually decrease, with 313 hours in August falling to 290 by September. The descent continues into the final months of the year, wrapping up with 199 hours of daylight in December. This cyclical pattern not only showcases the vibrant seasons of Greenville but also the increasing daylight that fuels the local spirit through the sunnier months.

Monthly Sunshine Duration in Greenville: January Highlighted

The January sunshine duration represents the total number of hours Greenville 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h177h240h275h303h320h345h313h290h265h236h199h
Data source: Greenville January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Greenville During January

In Greenville, the likelihood of sunny weather takes a notable turn in January, boasting a 46% chance of sunshine—a promising start to the year. This month stands out as significantly more favorable than its immediate successors, with February and March dropping to 39% and 38%, respectively. As we venture into spring, sunny prospects improve, peaking at 57% in April before a gradual decline leads into the more temperate months of late spring and summer. Interestingly, November showcases the highest chances of sunny days at 61%, suggesting a seasonal shift that makes the end of the year a delightful surprise for sun-seekers. Overall, while January offers a reasonable amount of sunshine, it's clear that the brightest days are just around the corner as the seasons transition.

Percentage of Sunny Days in January in Greenville

The chart illustrates the percentage of sunny days in Greenville 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 Greenville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%40%38%57%36%31%38%41%50%47%61%39%
Data source: Greenville January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Greenville in January

In Greenville, United States, January brings 10 hours of daylight, offering a crisp yet inviting start to the year. As February follows, the daylight remains constant, allowing for a sense of stability before spring awakens. March, however, signals a shift, with daylight expanding to 11 hours, ushering in the promise of longer, sunnier days. This trend continues through April and May, where daylight reaches 13 hours, encouraging outdoor activities and blooming landscapes. The peak arrives in June and July, boasting 14 hours of daylight, perfect for enjoying warm summer evenings. As the summer wanes in August, daylight begins its gradual retreat to 13 hours, followed by a steady decline in the fall, leading to 10 hours in November and a gentle close to the year with just 9 hours in December. Overall, each month paints a vibrant picture of the seasonal rhythm, characterized by a gradual increase and subsequent decrease in daylight that shapes the experiences of Greenville's residents.

Average Daylight Hours in Greenville for January

The chart illustrates the variation in daylight duration in Greenville throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 6m10h 55m11h 59m13h 4m13h 59m14h 26m14h 11m13h 23m12h 20m11h 15m10h 19m9h 50m
Data source: Greenville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Greenville

In January, Greenville experiences a gentle average wind speed of 2.5 m/s (5 mph), setting the tone for a calm start to the year. As winter transitions into early spring, wind speeds gradually increase, peaking in March at 2.7 m/s (6 mph) before settling back to 2.6 m/s for both April and May. This mild breeze during those months may entice outdoor enthusiasts to enjoy the budding flora. However, as the summer heat takes hold, the winds shift direction, tapering to their annual low of 1.7 m/s (4 mph) in August. As autumn arrives, the winds pick up slightly, culminating in a brisk 2.5 m/s (6 mph) by December, hinting at the winter's return. This intriguing ebb and flow not only marks the seasonal shifts but also creates a delightful environment for activities amidst the varied breezes throughout the year.

Average January Wind Speed in Greenville

The chart displays monthly wind speed patterns in Greenville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.5 m/s2.62.72.62.52.11.91.71.92.12.32.5
Data source: Greenville January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Greenville Compares to Other Months

The weather in Greenville 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 Greenville and find detailed weather information for every month.

In January, temperatures in Greenville can drop as low as -12°C (10°F) at night, with an average daytime temperature around 7°C (44°F) and highs reaching up to 25°C (78°F). The month sees about 99 mm (3.9 in) of precipitation over approximately 8 days, maintaining a high humidity level of 86%. In contrast, February experiences slightly milder conditions, with minimum temperatures rising to -5°C (24°F), an average of 10°C (50°F), and maximums peaking at 26°C (79°F). However, February is wetter, receiving 144 mm (5.7 in) of rainfall over approximately 13 days, while humidity remains consistent at 86%. For more detailed information, check out Greenville weather in February.

January and March exhibit notable variations in weather despite both months maintaining a high humidity level of 86%. January experiences colder temperatures, with a minimum of -12°C (10°F) and an average of 7°C (44°F), while March enjoys milder conditions, starting at a minimum of -5°C (24°F) and averaging 12°C (54°F). Precipitation is slightly higher in March, at 109 mm (4.3 in) over 12 days compared to January's 99 mm (3.9 in) over 8 days. Additionally, March can see maximum temperatures reaching as high as 31°C (87°F), contrasting sharply with January's maximum of 25°C (78°F). For more detailed information, you can check Greenville weather in March.

In January, the weather is notably colder, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 25°C (78°F) and an average of 7°C (44°F). This month also experiences higher humidity at 86% and sees around 99 mm (3.9 in) of precipitation over 8 days. In contrast, April brings a significant warm-up, with temperatures ranging from -2°C (29°F) to a maximum of 30°C (86°F) and an average temperature of 16°C (62°F). Although April has slightly more precipitation at 125 mm (4.9 in) over 9 days, the humidity is a bit lower at 82%. For a closer look at what to expect during this month, check out Greenville weather in April.

In January, the weather is quite chilly, with average temperatures ranging from a frosty -12°C (10°F) to a mild 25°C (78°F). This month sees approximately 99 mm (3.9 in) of precipitation spread over 8 days, accompanied by high humidity at 86%. In contrast, May brings much warmer conditions, with temperatures ranging from a more comfortable 5°C (41°F) to a sizzling 34°C (94°F) and an average of 21°C (70°F). Rainfall increases slightly to 137 mm (5.4 in) over 11 days, while humidity remains relatively stable at 85%. For more detailed insights on the weather during this vibrant month, you can check Greenville weather in May.

January and June present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -12°C (10°F) and usually hover around an average of 7°C (44°F), with a maximum of 25°C (78°F). The month experiences significant rainfall, with 99 mm (3.9 in) of precipitation over about 8 days, coupled with high humidity levels at 86%. In contrast, June boasts much milder temperatures, ranging from a minimum of 12°C (55°F) to an average of 24°C (76°F) and peaking at a warm 33°C (92°F). Despite slightly lower total precipitation at 87 mm (3.4 in), June is wetter, with rain falling on around 15 days, while humidity remains relatively consistent at 85%. For more detailed insights on June weather specifics, check out Greenville weather in June.

In January, temperatures in Greenville can be quite chilly, with minimums dropping down to -12°C (10°F) and averaging around 7°C (44°F), while the maximum can reach up to 25°C (78°F). The month experiences an average precipitation of 99 mm (3.9 in) over about 8 days, accompanied by high humidity levels at 86%. In contrast, July offers a much warmer climate, where minimum temperatures are more comfortable at 16°C (61°F) and averages peak at 26°C (80°F), with maximums soaring to 35°C (95°F). Despite having slightly less precipitation at 93 mm (3.7 in), July sees rain on about 16 days and slightly lower humidity at 83%. For more details on the weather during this summer month, check out Greenville weather in July.

January and August present stark contrasts in weather patterns. January typically sees a minimum temperature of -12°C (10°F), with an average of 7°C (44°F) and a maximum of 25°C (78°F). It is characterized by higher humidity at 86% and around 99 mm (3.9 in) of precipitation over 8 days. In contrast, August enjoys much warmer temperatures, with a minimum of 15°C (60°F), an average of 26°C (79°F), and a maximum reaching 35°C (96°F). This month experiences slightly more precipitation at 121 mm (4.8 in) over 14 days, but lower humidity at 76%. For more details on the weather during this time, visit Greenville weather in August.

In January, Greenville experiences chilly temperatures with a minimum of -12°C (10°F) and an average of 7°C (44°F), reaching a maximum of 25°C (78°F). The month is characterized by high humidity at 86%, with a total precipitation of 99 mm (3.9 in) spread over 8 days. In contrast, September offers a much warmer climate, with temperatures ranging from a minimum of 9°C (48°F) to an average of 23°C (74°F), peaking at 35°C (95°F). Rainfall increases slightly, totaling 132 mm (5.2 in) over 9 days, but humidity drops to a more comfortable 76%. For more detailed insights, check out Greenville weather in September.

January and October present contrasting weather patterns. In January, temperatures can dip as low as -12°C (10°F) and typically hover around an average of 7°C (44°F), offering a chilly atmosphere with high humidity at 86%. With 99 mm (3.9 in) of precipitation over about 8 days, the month can feel particularly damp and cold. In contrast, October enjoys milder temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 36°C (97°F) and an average of 18°C (65°F). Although October sees slightly more precipitation at 129 mm (5.1 in) over 10 days, the lower humidity of 80% enhances overall comfort. For more detailed insights into October's weather, check out Greenville weather in October.

January and November in Greenville present notable differences in weather patterns. January experiences colder temperatures, with a minimum dropping to -12°C (10°F) and an average of 7°C (44°F), while November is milder, featuring a minimum of -5°C (24°F) and an average of 11°C (51°F). Both months see similar maximum temperatures, with January peaking at 25°C (78°F) and November slightly higher at 26°C (79°F). Precipitation levels are comparable, with January recording 99 mm (3.9 in) and November just slightly less at 95 mm (3.7 in), both occurring over 8 days. Humidity remains relatively high in both months, with January at 86% and November at 88%. For more insights on November weather, visit Greenville weather in November.

January and December in Greenville exhibit notable weather contrasts. In January, temperatures can plunge to a minimum of -12°C (10°F) and reach an average of 7°C (44°F), while December experiences milder conditions with a minimum of -7°C (19°F) and an average of 8°C (47°F). Precipitation is slightly lower in January, totaling 99 mm (3.9 in) over 8 days compared to December's 130 mm (5.1 in) across 10 days. Humidity remains high in both months, with January at 86% and December at 88%, creating a chilly atmosphere throughout the winter season. For more details, you can explore Greenville weather in December.

Compare Greenville's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Greenville

As January unfolds in Greenville, its weather stands in stark contrast to the milder months preceding it. With chilly temperatures that can dip significantly, the month often presents a unique blend of cold snaps and occasional warmth, drawing a stark distinction from the balmy days of spring and summer. The high humidity paired with notable precipitation means that January is not just cold; it can feel damp and brisk, making it a month for bundling up and seeking shelter from the rain. For those eager to understand how these winter conditions compare throughout the year, the detailed insights on the seasonal shifts can be found at Greenville Climate.