January Weather in Seaside, United States

Last updated: February 24, 2025

January in Seaside, United States, brings a cool coastal climate characterized by a maximum temperature of 21°C (70°F) and an average of 10°C (51°F), with temperatures dipping to a minimum of 1°C (34°F). The month is marked by a significant precipitation total of 113 mm (4.5 in), spread over approximately 8 rainy days. Coupled with a high humidity level of 82%, residents and visitors can expect a blend of chilly, damp conditions that highlight the beauty and natural charm of this seaside locale during the winter season.

January Temperature in Seaside

In Seaside, United States, January ushers in a cool respite, with temperatures ranging from a chilly 1°C (34°F) at night to a comfortable 21°C (70°F) during the day, averaging around 10°C (51°F). This month marks the peak of the winter season, showcasing a resilience against the cold as the days gradually begin to lengthen. The winter chill lingers early in the year, but noticeable warming trends start to appear as February approaches, where the temperatures range slightly lower on the minimum side but can reach up to 23°C (73°F). While January's temperatures remain relatively stable, the subsequent months see a gradual rise, particularly into late spring and early summer, suggesting an inviting transition from winter's embrace to the warmth of the sun. Overall, January serves as a beautiful reminder of the coastal coolness, laying the groundwork for the blossoming warmth that follows.

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

The chart illustrates January temperature patterns in Seaside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505051535559616362595450
Data source: Temperature data for Seaside 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 Seaside

In Seaside, United States, January marks the peak of the rainy season, with an impressive 113 mm (4.5 in) of precipitation spread over 8 days. This significant rainfall sets a contrasting scene to the drier months that follow. As February approaches, precipitation decreases to 94 mm (3.7 in), and the number of rainy days increases slightly. March sees a minor uptick in both rainfall and rainy days, but by April, the region transitions sharply, experiencing just 33 mm (1.3 in) over only 5 days. The trend continues into the summer months, where the rainfall dwindles dramatically, dropping to a mere 3 mm (0.1 in) by June and remaining negligible through the height of summer. As the year progresses, the pattern shifts once again, with increasing precipitation returning during the fall, particularly in November and December, highlighting a clear seasonal rhythm in Seaside's climate.

January Precipitation Trends in Seaside

The chart displays monthly precipitation patterns in Seaside, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1139499332332261941100
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Seaside

In January, Seaside experiences a relatively high humidity level of 82%, setting a damp tone for the year ahead. This figure slightly increases to 84% in February, marking the peak for winter months, before returning to 82% in March. As spring approaches, humidity begins its gradual decline, dropping to 78% in April and continuing downwards through the warmer months, reaching a comfortable 58% by July. This trend of decreasing humidity persists, hitting its lowest point of 54% in August, before rising again in the fall. September sees a slight uptick to 55%, followed by an increase to 62% in October, and a return to more humid conditions in November and December with 78% and 80%, respectively. Overall, January's humidity serves as a precursor to the seasonal shifts that define Seaside's unique coastal climate.

January Average Humidity in Seaside

This chart illustrates the average monthly humidity levels in Seaside, 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%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Seaside

In Seaside, United States, the UV Index in January is 4, which falls into the moderate exposure category, allowing for about 30 minutes of safe sun exposure before risking sunburn. As winter progresses into February, the UV Index ticks up to 5, maintaining that moderate status. However, come March, residents should brace themselves as the UV Index skyrockets to 8 and moves into the very high category, significantly reducing safe sun exposure to just 15 minutes. This trend of increasing UV levels continues through April and peaks in May and June, hitting an intense 11 and 12 respectively, marking extreme exposure conditions where caution is critical. The summer sun brings a consistent pattern of extreme UV levels, with July and August holding steady at 11, before tapering off slightly in September. As fall approaches, UV levels decrease, again entering the moderate category by November and dipping to 3 in December. This seasonal fluctuation highlights the importance of keeping an eye on local UV readings throughout the year for safe sun practices. For more details, check out Seaside UV Index.

Maximum UV Index Levels in Seaside for January

The chart shows the monthly maximum UV Index (UVI) for Seaside 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.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211119753
Data source: Seaside 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 Seaside

In Seaside, United States, January kicks off the year with 163 hours of sun, setting the stage for a steady increase in brightness as winter fades. As February rolls in, sunshine climbs to 220 hours, and by March, it soars to 264 hours, heralding the arrival of spring. The sunny trend continues, peaking in July with an impressive 388 hours, making it the sunniest month of the year. After the summer solstice, the hours gradually begin to wane, with August still basking in 357 hours. The descent continues through the fall months, with October at 289 hours and November dropping to 235 hours. By December, Seaside bids farewell to the year with 209 hours of sunshine, marking a gentle close to the seasonal cycle. Overall, the data reveals a clear seasonal rhythm, where sunlight flourishes in the summer and retreats gracefully in the colder months, creating a vibrant landscape throughout the year.

Monthly Sunshine Duration in Seaside: January Highlighted

The January sunshine duration represents the total number of hours Seaside 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h220h264h302h359h376h388h357h314h289h235h209h
Data source: Seaside January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seaside During January

In Seaside, the likelihood of sunny weather in January hovers around 45%, marking one of the lower chances throughout the year. As winter turns to spring, the odds gradually improve, with February seeing a 55% chance and March close behind at 49%. The trend continues upward into April, reaching 53%, and then significantly ramps up as warmer months approach, culminating in the sunniest period from late spring into summer, where the probability peaks at 75% in August and September. This pattern highlights a clear seasonal shift, suggesting that if you're hoping for sunshine, it’s wise to plan your outdoor activities for later in the year!

Percentage of Sunny Days in January in Seaside

The chart illustrates the percentage of sunny days in Seaside 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 Seaside experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%55%49%53%67%69%62%75%75%61%58%44%
Data source: Seaside January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seaside in January

In January, Seaside ushers in the year with just 9 hours of daylight, setting a tranquil, reflective tone for the winter season. As the month progresses into February, daylight begins to extend, reaching 10 hours, hinting at the impending shift towards spring. The trend of increasing daylight continues through March with 11 hours, and April delights residents with a significant jump to 13 hours, invigorating the atmosphere. From May through July, daylight peaks at a satisfying 14 hours, creating the perfect backdrop for summer adventures. As summer wanes into August, daylight gently recedes to 13 hours, followed by a gradual decline throughout September and October with 12 and 11 hours, respectively. The year then circles back to a winter-like state in November and December, where daylight returns to 10 hours and then slides back to 9 hours, encapsulating the cyclical nature of time and the changing seasons in this charming coastal town.

Average Daylight Hours in Seaside for January

The chart illustrates the variation in daylight duration in Seaside throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 51m11h 59m13h 9m14h 7m14h 36m14h 20m13h 28m12h 21m11h 11m10h 11m9h 41m
Data source: Seaside daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Seaside

In Seaside, United States, the winds of January blow softly, averaging just 2.6 m/s (6 mph), setting the tone for a generally gentle winter atmosphere. As the months progress into February through April, the wind speed remains steady at 2.8 m/s, creating a consistent and mild breeze ideal for coastal strolls. Interestingly, a slight uptick occurs in May, where winds reach 3.0 m/s (7 mph), hinting at the approaching summer. However, as the seasons shift, a gradual decline begins during the summer months, with July and August experiencing the weakest gusts at 2.2 m/s (5 mph) and 2.1 m/s (5 mph), respectively. This trend of softer winds continues into early fall, reaching a low of 2.0 m/s (5 mph) in September before returning to more moderate levels by October and November. December, however, surprises with a refreshing increase to 2.9 m/s (7 mph), echoing the tranquil yet dynamic nature of Seaside’s wind patterns throughout the year.

Average January Wind Speed in Seaside

The chart displays monthly wind speed patterns in Seaside, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.6 m/s2.82.82.83.02.72.22.12.02.62.22.9
Data source: Seaside January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Seaside Compares to Other Months

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

January and February exhibit relatively similar weather patterns, with average temperatures hovering around 10°C (50°F). January experiences a slightly cooler minimum temperature of 1°C (34°F) compared to February’s 0°C (32°F). Additionally, February records a higher maximum temperature of 23°C (73°F) versus January’s 21°C (70°F). Precipitation levels are also noteworthy, with January receiving 113 mm (4.5 in) over 8 days, while February sees less rain at 94 mm (3.7 in) across 9 days. Humidity remains high in both months, at 82% in January and 84% in February, indicating a consistent moist atmosphere. For more specific details on the weather in February, check out Seaside weather in February.

In comparing the weather of January and March, we see that both months share a similar average temperature of 10°C (51°F), but March tends to be slightly warmer with maximum temperatures reaching up to 23°C (73°F) compared to January's 21°C (70°F). While January has a higher total precipitation of 113 mm (4.5 in) over 8 days, March experiences slightly less precipitation at 99 mm (3.9 in) but over a longer duration of 13 days. Humidity levels remain consistent at 82% in both months, offering a similar feel in terms of moisture in the air. For more details on March weather trends, you can check Seaside weather in March.

January and April present quite a contrast in weather conditions. In January, temperatures range from a chilly 1°C (34°F) at night to a mild 21°C (70°F) during the day, with an average temperature of 10°C (51°F). This month also sees significant rainfall, accumulating to 113 mm (4.5 inches) over about 8 days, coupled with high humidity levels of 82%. In contrast, April witnesses slightly warmer temperatures, with a minimum of 3°C (38°F), an average of 12°C (53°F), and a maximum reaching up to 26°C (79°F). Moreover, precipitation is notably lower at 33 mm (1.3 inches) over just 5 days, and humidity decreases to 78%. For those interested in detailed weather patterns, you can check Seaside weather in April.

In January, the weather tends to be cooler with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), averaging around 10°C (51°F). This month experiences significant precipitation, with around 113 mm (4.5 in) falling over eight days, and the humidity is relatively high at 82%.

In contrast, May brings milder conditions, featuring a minimum temperature of 5°C (40°F) and a maximum of 25°C (78°F), with an average of 13°C (55°F). Rainfall is significantly reduced, totaling only 23 mm (0.9 in) over three days, and the humidity drops to a more comfortable 71%.

For more detailed weather insights, you can check out Seaside weather in May.

In January, the weather presents a cool and damp atmosphere, with temperatures ranging from a chilly 1°C (34°F) to a comfortable 21°C (70°F) and an average of 10°C (51°F). This month typically sees around 113 mm (4.5 in) of precipitation spread over 8 days, contributing to a high humidity level of 82%. In contrast, June offers a warm and dry climate, with temperatures rising from a minimum of 6°C (43°F) to a maximum of 29°C (84°F), averaging 15°C (59°F). Remarkably, June experiences only 3 mm (0.1 in) of precipitation, falling on 0 days, and features a lower humidity level of 64%. For a closer look at June weather in California, you can refer to Seaside weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures range from a low of 1°C (34°F) to a high of 21°C (70°F), with an average of 10°C (51°F). The month tends to be quite wet, receiving about 113 mm (4.5 in) of precipitation over approximately eight days and high humidity at 82%. In contrast, July enjoys much milder temperatures, with a minimum of 9°C (49°F), an average of 16°C (61°F), and a peak of 26°C (79°F). The month is notably dry, experiencing only 2 mm (0.1 in) of precipitation and virtually no rainy days, accompanied by lower humidity at 58%. For those interested in more details on July weather, check out Seaside weather in July.

January and August present contrasting weather conditions, reflecting the shift from winter to summer. In January, temperatures range from a chill 1°C (34°F) at night to a mild 21°C (70°F) during the day, accompanied by significant precipitation of 113 mm (4.5 in) over about eight days, contributing to a high humidity of 82%. In stark contrast, August boasts warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 30°C (87°F), alongside minimal precipitation of just 2 mm (0.1 in) and low humidity at 54%. For those looking to experience serene summer conditions, information on the enjoyable climate can be found here: Seaside weather in August.

January and September present quite contrasting weather patterns. In January, temperatures range from a chilly minimum of 1°C (34°F) to a more comfortable maximum of 21°C (70°F), with an average of 10°C (51°F). This month is also marked by significant precipitation, averaging 113 mm (4.5 in) over about 8 days, coupled with high humidity levels at 82%. In stark contrast, September boasts warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching up to 34°C (93°F), illustrating an increase in average temperatures to 17°C (62°F). Furthermore, September experiences minimal precipitation, with just 6 mm (0.3 in) noted over the month and no rainy days, alongside a more comfortable humidity level of 55%. For more insights on September’s weather, check out Seaside weather in September.

In January, the weather tends to be cooler with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), and the average sits at about 10°C (51°F). This month experiences considerable rainfall, with an average precipitation of 113 mm (4.5 in) over approximately 8 days, combined with high humidity levels at 82%.

In contrast, October enjoys milder temperatures, with a minimum of 6°C (42°F) and an average of 15°C (59°F), peaking at a warm 31°C (88°F). The month boasts significantly lower precipitation of just 19 mm (0.7 in), typically only on 1 day, and humidity drops to a more comfortable 62%. For more insights into specific weather patterns, you can check out Seaside weather in October.

In January, the weather is generally cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), compared to November's slightly milder range of 2°C (36°F) to 24°C (76°F). January experiences more precipitation, totaling 113 mm over about 8 days, whereas November sees significantly less, with only 40 mm across 4 days. Additionally, January's humidity is higher at 82%, compared to November's 78%, making the latter month feel a bit drier overall. For a more detailed look at November's conditions, you can check out Seaside weather in November.

In comparing the weather between January and December, we find that both months share similar minimum and average temperatures, hovering around 1°C (34°F) and 10°C (51°F) respectively. However, December boasts a slightly higher maximum temperature of 24°C (75°F) compared to January's 21°C (70°F). Precipitation is also slightly lower in December, with 100 mm (3.9 in) recorded over 8 days, while January sees a bit more rain at 113 mm (4.5 in), yet also spreads over the same number of days. Humidity levels are comparable, with December at 80% and January slightly higher at 82%. For more details on the weather in December, you can check out Seaside weather in December.

Compare Seaside's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Seaside

January in Seaside brings a unique blend of cooler temperatures and increased humidity, setting it apart from other months of the year. With frequent rainfall during this time, the landscape transforms into a lush, vibrant scene, inviting visitors to experience the natural beauty of the region. While average highs reach a comfortable 10°C (51°F), the cool coastal breeze can make it feel even chillier, especially in the mornings. This month’s distinct climate offers a refreshing escape for those seeking a quieter seaside experience. For more insights into the weather patterns throughout the year, visit Seaside Climate.