January Weather in Temecula, United States

Last updated: February 24, 2025

In January, Temecula experiences a mild Mediterranean climate characterized by a maximum temperature of 30°C (86°F) and an average of 13°C (55°F). The month sees a minimum temperature dipping to 2°C (36°F), introducing cooler nights. With 66 mm (2.6 in) of precipitation spread over 5 days, residents and visitors can expect some rainy spells amidst the temperate weather. A relative humidity of 72% adds to the refreshing winter atmosphere, making it a delightful time to explore the scenic beauty of this vibrant city.

January Temperature in Temecula

In January, Temecula experiences a delightful range of temperatures that hint at the mild climate characteristic of southern California. With a minimum of 2°C (36°F) and a comfortable average of 13°C (55°F), residents and visitors enjoy a pleasant start to the year. The maximum can reach an inviting 30°C (86°F), making it an ideal month for outdoor activities and exploring the region's renowned wineries. As the month progresses into February, the temperatures remain nearly unchanged, sustaining the average but slightly dipping the min to 1°C (35°F). This trend of mild temperatures continues into the following months, showcasing the region's gradual warming as spring approaches, enticing nature lovers to savor the blooming landscapes and enjoy the outdoor pursuits that define Temecula's charm.

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

The chart illustrates January temperature patterns in Temecula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555557626470767774696255
Data source: Temperature data for Temecula 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 Temecula

In January, Temecula experiences a moderate amount of precipitation, with 66 mm (2.6 in) falling over an average of five days. This level of rainfall is consistent with the wetter winter months, often mirroring December’s similar total. As the seasons transition, February also sees a comparable amount of 64 mm (2.5 in) but spreads over six days, hinting at a gradual shift in weather patterns. Interestingly, March receives slightly more precipitation at 67 mm (2.6 in) across ten days, suggesting an increase in rainy days as spring approaches. However, the trend quickly tapers off in the following months, leading to a significant drop in rainfall by April and May, where totals plummet to 31 mm (1.2 in) and 19 mm (0.8 in)**, respectively. This notable decline indicates how Temecula transitions from its rainy season, paving the way for dry summer months ahead.

January Precipitation Trends in Temecula

The chart displays monthly precipitation patterns in Temecula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec66646731193434112866
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Temecula

In January, Temecula experiences a relative humidity of 72%, setting the tone for a month that is generally cooler and wetter. As the seasons transition, February sees this figure rise to 77%, indicating a peak in humidity before the drier months approach. By March, humidity drops to 67%, and continues its decline through the spring and summer, reaching its lowest point of 42% in August. This trend of decreasing moisture is characteristic of the warmer months, as temperatures rise and the air becomes crisper. However, as the year progresses into fall and winter, a gradual increase in humidity resumes, culminating in December's 74%. This cyclical pattern highlights Temecula’s unique climate, balancing between refreshing humidity in the winter and the dry warmth of the summer months.

January Average Humidity in Temecula

This chart illustrates the average monthly humidity levels in Temecula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Temecula

In Temecula, January welcomes a moderate UV Index of 4, allowing for a burn time of about 30 minutes under the sun. As the months progress, the UV Index steadily rises, peaking in May and June at an extreme level of 12, where just 10 minutes can lead to skin damage. This trend highlights a significant shift from January's more forgiving conditions to the higher risks of spring and summer, where protective measures become increasingly essential. As we transition from winter to the hotter months, it's crucial to stay informed and safeguard your skin. For detailed insights throughout the year, visit Temecula UV Index.

Maximum UV Index Levels in Temecula for January

The chart shows the monthly maximum UV Index (UVI) for Temecula 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.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Temecula 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 Temecula

January in Temecula, United States, marks the beginning of the year with 191 hours of sunshine, setting a gentle tone that gradually intensifies as months progress. By February, bright days increase to 245 hours, hinting at the springtime warmth to come. March sees this trend escalate further, boasting 298 hours of sunshine, while April brings even more light with 326 hours. As summer approaches, the sunny days peak in July at 380 hours, inviting outdoor activities and vibrant community events. Following this crescendo, the hours subtly begin to taper, with August still basking in 362 hours before transitioning to the softer light of fall. By year's end, sunshine gently declines, ending with a cozy 226 hours in December, perfectly mirroring the seasonal shift. This fascinating pattern of increasing and decreasing sunlight not only reflects Temecula's climate but also sets the rhythm for a year filled with outdoor enjoyment and natural beauty.

Monthly Sunshine Duration in Temecula: January Highlighted

The January sunshine duration represents the total number of hours Temecula 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h245h298h326h367h374h380h362h320h298h257h226h
Data source: Temecula January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Temecula During January

In Temecula, the month of January offers a 61% chance of sunny weather, making it a promising start to the year. This trend is relatively consistent with both February and March, which hover around the same likelihood of sunshine. However, as the year progresses into spring, the chances begin to wane in April and May, dipping to 55% and 53% respectively. The summer months bring a slight boost, peaking in August with a 70% chance of sun, followed by a steady decline into the cooler months of autumn and winter. Overall, January stands out as part of a generally bright winter season in Temecula, with favorable conditions that promise ample sunshine before the humidity and cloud cover of summer take hold.

Percentage of Sunny Days in January in Temecula

The chart illustrates the percentage of sunny days in Temecula 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 Temecula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%62%61%55%53%63%61%70%72%65%71%47%
Data source: Temecula January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Temecula in January

In January, Temecula enjoys about 10 hours of daylight, a trend that continues into February. As winter gradually gives way to spring, daylight begins to lengthen significantly in March, reaching 12 hours, and continues its ascent through April and May with 13 hours, highlighting the arrival of longer days. The peak of daylight occurs in June and July, when residents bask in a generous 14 hours of sunshine, perfect for outdoor activities. As summer wanes into August, daylight slightly decreases to 13 hours, transitioning smoothly into the shorter days of fall. By September, daylight decreases to 12 hours, followed by 11 hours in October. The cycle returns to 10 hours in November, just before winter sets in, culminating in December with a mere 9 hours of daylight. Overall, January serves as a reminder of the beauty of gradual change, as daylight stretches out, offering a promise of the warm months ahead.

Average Daylight Hours in Temecula for January

The chart illustrates the variation in daylight duration in Temecula throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 59m12h13h 2m13h 54m14h 19m14h 5m13h 19m12h 19m11h 17m10h 24m9h 57m
Data source: Temecula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Temecula

In Temecula during January, the average wind speed stands at a gentle 2.2 m/s (5 mph), setting a tranquil tone for the start of the year. This slight breeze is just part of a broader trend observable throughout the year, where wind speeds fluctuate minimally, hovering mainly around the 2.4 m/s mark from March to May, hinting at a consistent climate. Notably, as we move into the summer months, wind speeds dip slightly, reaching their lowest in July at 1.9 m/s (4 mph). As the year winds down, the average speed returns to 2.2 m/s in December, suggesting a rhythmic ebb and flow, with the seasonality reflected in these subtle breezes. Overall, the wind in Temecula remains a pleasant companion, gently complementing the region's sunny disposition all year round.

Average January Wind Speed in Temecula

The chart displays monthly wind speed patterns in Temecula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.2 m/s1.92.42.42.42.11.92.01.92.01.82.2
Data source: Temecula January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Temecula Compares to Other Months

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

In comparing January and February, we see a slight decrease in temperatures, with January recording a minimum of 2°C (36°F) and a maximum of 30°C (86°F), while February has a minimum of 1°C (35°F) and a maximum of 28°C (83°F). Both months share the same average temperature of 13°C (55°F). Precipitation is quite similar, with January experiencing 66 mm (2.6 in) over 5 days, and February having 64 mm (2.5 in) over 6 days, indicating a marginally wetter month in February. Furthermore, February tends to be slightly more humid, with an average humidity of 77% compared to January's 72%. For more detailed weather insights, you can visit Temecula weather in February.

In January, temperatures in Temecula range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), resulting in an average temperature of 13°C (55°F). The month experiences about 66 mm (2.6 in) of precipitation over approximately 5 days, and the humidity sits at 72%. In contrast, March showcases a slightly warmer climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F) and an average of 14°C (57°F). Precipitation in March is marginally higher at 67 mm (2.6 in), but it occurs more frequently over about 10 days, contributing to a humidity level of 67%. To learn more about the weather specifics for March, check out Temecula weather in March.

In comparing the weather between January and April, January experiences a wider temperature range with a minimum of 2°C (36°F) and a maximum of 30°C (86°F), while April features milder temperatures, with a minimum of 7°C (45°F) and a higher maximum of 34°C (94°F). Precipitation is more frequent in January, with 66 mm (2.6 in) over 5 days, compared to April's 31 mm (1.2 in) and only 3 days of rain. Additionally, humidity levels are higher in January at 72%, while April tends to be drier with 56% humidity. For a detailed look at April weather, you can check Temecula weather in April.

In January, the weather tends to be cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 30°C (86°F) and an average of 13°C (55°F). The month also sees significant precipitation, totaling 66 mm (2.6 in) over about five rainy days, contributing to a higher humidity level of 72%. In contrast, May offers warmer conditions, with temperatures varying from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), and an average temperature of 18°C (64°F). Precipitation decreases noticeably to just 19 mm (0.8 in) across five days, resulting in a much drier atmosphere with humidity dropping to 46%. For more detailed information, check out Temecula weather in May.

In January, temperatures in Temecula range from a chilly 2°C (36°F) at night to a warm 30°C (86°F) during the day, with an average of 13°C (55°F). Additionally, the month sees a relatively high level of precipitation at 66 mm (2.6 inches) over about five days, paired with a humidity level of 72%. In contrast, June brings much warmer temperatures, with a minimum of 12°C (53°F) and a maximum soaring to 36°C (98°F), averaging around 21°C (70°F). Remarkably, June experiences significantly less rainfall, with only 3 mm (0.1 inches) and no rainy days, resulting in a much lower humidity level of 48%. For a closer look at Temecula's June weather, you can visit Temecula weather in June.

In January, temperatures in Temecula range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 13°C (55°F). The month experiences 66 mm (2.6 in) of precipitation over about five days, coupled with a relatively high humidity level of 72%. In stark contrast, July sees much milder conditions with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 42°C (109°F), averaging 25°C (77°F). Notably, July boasts virtually no precipitation, with only 4 mm (0.2 in) recorded, and a lower humidity level of 46%. For more detailed information, you can check Temecula weather in July.

In January, the weather exhibits a wide temperature range, with lows around 2°C (36°F) and highs reaching up to 30°C (86°F), resulting in an average of 13°C (55°F). This month also sees higher humidity levels at 72% and approximately 66 mm (2.6 in) of precipitation over about five days. In contrast, August is much warmer, characterized by milder lows of 16°C (61°F) and scorching highs up to 37°C (99°F), leading to an average of 25°C (77°F). The humidity drops significantly to 42%, and there’s minimal rainfall, totaling only 3 mm (0.1 in) over just one day. For those interested in specific patterns, you can check out the details at Temecula weather in August.

In January, the weather tends to be cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 30°C (86°F) and an average of 13°C (55°F). The month experiences more precipitation, totaling 66 mm (2.6 in) over about 5 days, and humidity levels are relatively high at 72%.

In contrast, September brings warmer conditions, with temperatures ranging from a minimum of 12°C (53°F) to a scorching maximum of 43°C (109°F) and an average of 24°C (75°F). Precipitation is minimal during this month, with just 4 mm (0.2 in) over 1 day, and humidity drops to a more comfortable 52%. For more details, check out Temecula weather in September.

January and October showcase contrasting weather patterns in terms of temperature and humidity. January tends to be cooler with minimum temperatures averaging 2°C (36°F) and maximums reaching up to 30°C (86°F), while October presents a milder climate with minimums around 8°C (47°F) and highs soaring to 38°C (100°F). Additionally, January experiences a higher level of humidity at 72% compared to October’s drier conditions with 58% humidity. Precipitation is also notably different, with January receiving 66 mm (2.6 in) over five days, while October boasts only 11 mm (0.4 in) over just two days. For more details on October weather, you can visit Temecula weather in October.

When comparing the weather in January and November, notable differences emerge in both temperature and precipitation. January typically sees a wider temperature range with lows of 2°C (36°F) and highs reaching up to 30°C (86°F), while November has milder temperatures, ranging from a minimum of 5°C (41°F) to peaks of 33°C (92°F). Additionally, precipitation is more frequent in January, averaging 66 mm (2.6 in) over about 5 days compared to November's relatively drier conditions with only 28 mm (1.1 in) across just 2 days. Humidity also contributes to the difference, being slightly higher in January at 72%, whereas November experiences a lower humidity level of 66%. For further details, check out Temecula weather in November.

In comparing the weather of January and December, we find that both months feature similar average temperatures, with January exhibiting a slight increase in maximum temperatures, reaching up to 30°C (86°F) compared to December's 28°C (82°F). Precipitation remains consistent in both months, totaling 66 mm (2.6 in) over five days. However, humidity is slightly lower in January at 72%, while December experiences a higher humidity level of 74%. For more detailed information, you can check Temecula weather in December.

Compare Temecula's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Temecula

In January, Temecula experiences a noticeable shift in weather compared to the warmer months. With cooler temperatures and higher humidity levels, the month offers a refreshing respite from the heat of summer. There’s also a modest amount of rainfall, which contributes to the region's lush landscapes. This blend of mild conditions makes January a unique time to explore Temecula's natural beauty and vibrant surroundings. For more insights into what to expect throughout the year, be sure to check out Temecula Climate.