January Weather in La Union, Mexico

Last updated: April 22, 2025

In La Union, Mexico, January presents a blend of warmth and humidity, with maximum temperatures reaching up to 37°C (99°F) and an inviting average of 24°C (75°F). A refreshing dip can be found in the cooler nights, where temperatures can drop to a minimum of 14°C (57°F). This month also sees about 43 mm (1.7 in) of precipitation, spread over 11 days, resulting in an 85% humidity level that adds to the vibrant, tropical ambiance. Whether basking in sunshine or enjoying the occasional rain, January in La Union invites both relaxation and exploration amidst a dynamic climate.

January Temperature in La Union

In January, La Union, Mexico, experiences relatively mild temperatures, making it a pleasant escape from colder climates. The month kicks off with minimums around 14°C (57°F), rising to an average of 24°C (75°F) and peaking at a warm 37°C (99°F). As the month unfolds, a noticeable trend emerges: temperatures steadily increase in February and March, with averages climbing to 25°C (78°F) and 26°C (80°F), respectively. This gradual warming continues into April, where the bite of winter starts to fade, giving way to more summery weather. The evenings remain refreshingly cool, ideal for enjoying outdoor activities. Overall, January sets a comfortable stage for the upcoming warmth, inviting visitors to embrace the emerging heat and vibrant atmosphere of this beautiful coastal region.

January Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757780838482828282807775
Data source: Temperature data for La Union 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 La Union

In January, La Union, Mexico, experiences an average precipitation of 43 mm (1.7 in) over approximately 11 days. As winter transitions into spring, this relatively moderate rainfall sets the stage for the dry months ahead. The precipitation begins to wane in February, with 29 mm (1.2 in) expected, but the wet season truly gains momentum by the time we reach the summer months. Notable increases in rainfall occur from May through October, highlighting a significant shift in weather patterns. This trend emphasizes a seasonal fluctuation that contributes to La Union's vibrant ecosystem, with peak rain in June (227 mm, 8.9 in) marking the height of the wet season. By November and December, the cycle starts to revert, bringing a return to lighter rains and cooler temperatures, as La Union bids farewell to another dynamic year of weather.

January Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec43292346752271131251541807346
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in La Union

In January, La Union, Mexico, experiences notably high humidity at 85%, setting the tone for a month characterized by a sense of warmth and moisture in the air. As the year progresses into February, humidity slightly decreases to 78%, hinting at the transition into the drier months. This decline continues through March with 67%, and by April and May, humidity further stabilizes around 62%, marking the dry season. However, as summer approaches in the following months, a gentle rise in humidity begins, peaking again in October and November at 86% and 87%, respectively. By year-end, the humidity returns to similar levels, bringing the cycle full circle as December also records 87%. This trend illustrates La Union's fluctuating humidity levels, highlighting the wet and dry seasons that distinctly shape its climate.

January Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%67%62%62%63%66%73%82%86%87%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in La Union

In January, La Union, Mexico, experiences a very high UV Index of 9, with a recommended burn time of just 15 minutes. This sets the stage for an intense sun season, as the UV Index rises rapidly over the following months, peaking at an extreme level of 14 in April. From February to October, the Index remains predominantly in the extreme category, hovering between 11 and 14, with burn times decreasing to just 10 minutes. Notably, the UV exposure starts to taper off again in November and December, reverting to very high levels of 9 and 8 respectively, suggesting a seasonal pattern that emphasizes the need for sun protection during much of the year. For more insights on UV Index trends, visit La Union UV Index.

Maximum UV Index Levels in La Union for January

The chart shows the monthly maximum UV Index (UVI) for La Union 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: La Union 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 La Union

January in La Union, Mexico, greets visitors with 221 hours of sunshine, offering a warm, inviting start to the year. As winter fades into spring, the days grow longer, peaking in May with an impressive 325 hours of bright sunlight. This trend of increasing sunshine continues through the early summer months, with each subsequent month bathing the region in more light—June and July each boasting around 275 and 314 hours, respectively. However, as the year progresses toward fall, the sunshine gradually decreases, stabilizing around 270 hours in both October and November. By December, a comforting 280 hours wraps up the year in this sun-kissed paradise, showcasing the vibrant climate that makes La Union a delightful destination year-round.

Monthly Sunshine Duration in La Union: January Highlighted

The January sunshine duration represents the total number of hours La Union 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.
JanFebMarAprMayJunJulAugSepOctNovDec221h270h316h313h325h275h314h316h288h270h270h280h
Data source: La Union January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Union During January

In La Union, Mexico, the likelihood of sunny weather in January stands at a moderate 36%, setting the stage for a somewhat overcast beginning to the year. As the months progress, a noticeable trend emerges, with February witnessing a significant jump to 59% likelihood of sunshine, paving the way for clearer skies. The sun's presence continues to brighten, peaking in March at 63% before gradually tapering off in the following months. While April offers a healthy 49% chance of sunny days, the numbers dip again by June to just 28%, as the summer rains begin to take hold. Interestingly, December makes a comeback with a 58% chance, hinting at a seasonal shift that invites sunseekers back to the delightful climate as the year wraps up. Overall, while January may be less sunny, the gradual increase heading into spring and its intermittent sunny respite in the cooler months keeps the charm of La Union alive throughout the year.

Percentage of Sunny Days in January in La Union

The chart illustrates the percentage of sunny days in La Union 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 La Union experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%60%63%49%39%28%32%44%33%41%44%58%
Data source: La Union January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Union in January

In La Union, Mexico, January welcomes 11 hours of daylight, setting a consistent tone as winter wanes. This steady duration carries into February, highlighting a tranquil start to the year. As spring approaches in March, daylight begins to blossom, extending to 12 hours, a pattern that continues through April and May, creating a vibrant atmosphere perfect for outdoor activities. The summer months of June and July peak with 13 hours of daylight, inviting exploration and adventure under the sun. However, as the year progresses into August and September, the daylight gradually retreats back to 12 hours, before falling to 11 hours in October, November, and December, reinstituting the calm of winter. This rhythmic ebb and flow of daylight beautifully mirrors the seasonal transitions, offering residents and visitors alike a dynamic yet predictable experience throughout the year.

Average Daylight Hours in La Union for January

The chart illustrates the variation in daylight duration in La Union throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 33m12h 2m12h 32m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: La Union daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in La Union

In January, La Union, Mexico, experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), setting a serene tone for the New Year. As the months progress, a gradual increase in wind speed is observed, peaking at 3.2 m/s (7 mph) in May. This pattern reflects the region’s transition into warmer weather, where the gentle winds turn slightly brisker, creating the perfect atmosphere for outdoor activities. However, as summer fades into autumn, the winds taper off, with speeds dropping to 1.8 m/s (4 mph) by October, signaling a calm return before the year ends. Overall, January's moderate winds herald the start of a dynamic seasonal cycle, inviting visitors to relish the tranquil landscapes of this coastal paradise.

Average January Wind Speed in La Union

The chart displays monthly wind speed patterns in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.3 m/s2.63.13.03.22.92.72.42.31.81.92.3
Data source: La Union January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in La Union Compares to Other Months

The weather in La Union 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 La Union and find detailed weather information for every month.

January and February in La Union present similar warm weather, though there are some notable differences. January sees a wider temperature range with a minimum of 14°C (57°F) and a maximum of 37°C (99°F), along with higher humidity at 85%. In contrast, February experiences slightly cooler temperatures—ranging from a low of 11°C (53°F) to a high of 36°C (98°F)—and lower humidity at 78%. Additionally, February receives less precipitation, totalling 29 mm (1.2 in) over 10 days, compared to January's 43 mm (1.7 in) over 11 days. For more details, visit La Union weather in February.

In comparing the weather between January and March, we see a clear shift towards slightly warmer temperatures and lower humidity. January experiences a wider range with average temperatures reaching up to 37°C (99°F) and higher humidity at 85%. In contrast, March offers milder conditions, with average temperatures peaking at 36°C (98°F) and a more comfortable humidity level of 67%. Additionally, precipitation decreases significantly from 43 mm (1.7 in) over 11 days in January to just 23 mm (0.9 in) over 7 days in March, indicating drier weather. For more details on the climate specifics for March, you can check La Union weather in March.

In January, the weather features a minimum temperature of 14°C (57°F) and a comfortable average of 24°C (75°F), with maximums reaching up to 37°C (99°F). This month experiences about 43 mm (1.7 in) of precipitation over 11 days, combined with high humidity levels at 85%. In contrast, April sees slightly higher temperatures, with a minimum of 17°C (63°F) and an average of 28°C (83°F), peaking at 41°C (107°F). Although April has similar precipitation levels at 46 mm (1.8 in), it has fewer rainy days (7) and significantly lower humidity at 62%. For a closer look at the specific conditions, check out La Union weather in April.

In January, the weather is generally warm, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), averaging around 24°C (75°F). The month experiences 43 mm (1.7 in) of precipitation over about 11 days, accompanied by a high humidity level of 85%. In contrast, May presents even warmer conditions, with temperatures starting at a minimum of 19°C (67°F) and peaking at 39°C (103°F), averaging 29°C (85°F). However, May also sees increased rainfall, totaling 75 mm (3.0 in) over approximately 18 days, and a significantly lower humidity at 62%. For those interested in more details about May weather, you can visit La Union weather in May.

January and June present quite distinct weather patterns. In January, temperatures range from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with an average temperature of 24°C (75°F). The month experiences relatively low precipitation of 43 mm (1.7 in) over approximately 11 days, accompanied by high humidity levels at 85%. In contrast, June sees warmer conditions, with minimum temperatures of 22°C (72°F) and maximums reaching 38°C (101°F), averaging around 28°C (83°F). However, it is also much wetter, with 227 mm (8.9 in) of precipitation over 25 days and lower humidity at 63%. For more detailed information, you can visit La Union weather in June.

In January, the weather typically features a minimum temperature of 14°C (57°F) and an average temperature of 24°C (75°F), with maximum temperatures reaching up to 37°C (99°F). This month sees relatively low precipitation at 43 mm (1.7 in) over 11 days, coupled with high humidity levels of 85%, creating a warm and humid atmosphere.

In contrast, July experiences a warmer climate with minimum temperatures starting at 21°C (71°F) and averaging 28°C (82°F), while still peaking at 37°C (98°F). However, July is much wetter, with precipitation escalating to 113 mm (4.4 in) over 23 days and lower humidity at 66%. This results in a more consistently rainy environment during the summer months. For more detailed insights, check out La Union weather in July.

When comparing the weather in January and August, notable differences emerge despite similar maximum temperatures reaching up to 37°C (99°F). January presents a milder climate with a minimum temperature of 14°C (57°F) and an average of 24°C (75°F), accompanied by higher humidity levels at 85%. In contrast, August showcases warmer nights with a minimum of 21°C (70°F) and a higher average temperature of 28°C (83°F). Moreover, August experiences significantly more rainfall, totaling 125 mm (4.9 in) over 24 days, compared to January’s 43 mm (1.7 in) over just 11 days. For more details, you can check La Union weather in August.

When comparing the weather in January and September, January experiences overall milder conditions. The minimum temperature in January is around 14°C (57°F), with an average of 24°C (75°F) and a maximum of 37°C (99°F), accompanied by 43 mm of precipitation over approximately 11 days and a humidity level of 85%. In contrast, September tends to be warmer, with minimum temperatures of 22°C (72°F) and an average of 28°C (82°F), peaking at 38°C (100°F). Additionally, September is significantly wetter, receiving 154 mm of rain across 26 days, while humidity remains relatively high at 82%. For more detailed insights, check out La Union weather in September.

In January, La Union experiences relatively warm temperatures with a minimum of 14°C (57°F) and an average of 24°C (75°F), peaking at 37°C (99°F). The month sees 43 mm (1.7 in) of precipitation over 11 days, accompanied by high humidity levels around 85%. In contrast, October presents slightly warmer conditions, with minimum temperatures of 18°C (64°F) and an average of 27°C (80°F), reaching a maximum of 36°C (97°F). However, October is significantly wetter, receiving 180 mm (7.1 in) of rainfall spread over 24 days, while humidity remains high at 86%. For more details on October weather in La Union, you can visit La Union weather in October.

In January, the weather features a broader temperature range with minimums around 14°C (57°F) and maximums reaching up to 37°C (99°F), resulting in an average temperature of 24°C (75°F). The month sees relatively less precipitation, with about 43 mm (1.7 in) spread over 11 days, and humidity levels around 85%. In contrast, November experiences slightly milder temperatures, with minimums at 15°C (59°F) and maximums peaking at 33°C (92°F), averaging 25°C (77°F). However, it tends to be wetter, with precipitation totaling 73 mm (2.9 in) across 15 days and slightly higher humidity at 87%. For more details, you can visit La Union weather in November.

In comparing the weather between January and December, we see some notable differences. January experiences slightly warmer temperatures, with a minimum of 14°C (57°F) and a maximum reaching up to 37°C (99°F), while December maintains a cooler range with a minimum of 12°C (53°F) and a maximum of 33°C (92°F). Both months have the same average temperature of 24°C (75°F), but January has a bit more extreme heat potential. Precipitation levels are similar, with January receiving 43 mm (1.7 in) over 11 days, compared to December's 46 mm (1.8 in) over 14 days. Additionally, humidity remains high in both months, but is slightly higher in December at 87%, compared to January’s 85%. For more detailed insights, you can refer to La Union weather in December.

Compare La Union's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in La Union

In January, La Union experiences a unique blend of warm days and cooler nights, setting it apart from the hotter summer months. With an average temperature of 24°C, this month offers a refreshing retreat with lower humidity levels compared to the peak season, making it ideal for outdoor activities. However, the 43 mm of precipitation over 11 days serves as a reminder of the region's dynamic weather. This transitional period paves the way for a more moderate climate, inviting both locals and visitors to embrace the beauty of La Union. For a deeper dive into the region's weather patterns, explore La Union Climate.