January Weather in La Union, Mexico

Last updated: April 22, 2025

In January, La Union, Mexico experiences pleasantly warm weather, with a maximum temperature reaching up to 33°C (92°F) and an average of 24°C (76°F), while the minimum dips to 15°C (60°F). This month is characterized by dry conditions, with a mere 4 mm (0.1 in) of precipitation recorded and no rainy days, allowing for uninterrupted outdoor activities. Humidity levels hover around 66%, creating a comfortable atmosphere for both residents and visitors alike. Whether you're exploring the vibrant local culture or basking in the sun, January offers an inviting experience in this picturesque coastal town.

January Temperature in La Union

In La Union, Mexico, January ushers in a mild and inviting climate, characterized by a nighttime low of 15°C (60°F) and a comfortable average of 24°C (76°F) throughout the day. As the month progresses, daytime temperatures can peak at 33°C (92°F), providing ample opportunities for outdoor activities under the sun. Notably, the consistent averages seen in January are mirrored in February, hinting at the region's stable warmth. This transitional period marks the end of the cool season, preparing for a gradual rise in temperatures as spring approaches, yet still maintaining the pleasantness characteristic of La Union. With its gentle warmth and minimal fluctuations, January offers the perfect backdrop for both relaxation and exploration in this vibrant coastal locale.

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.
JanFebMarAprMayJunJulAugSepOctNovDec757576767880818079797876
Data source: Temperature data for La Union 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 La Union

In La Union, Mexico, January typically ushers in the year with minimal rainfall, recording just 4 mm (0.1 in) without a single day of precipitation. This dry start to the year sets the stage for the drier months of February through March and April, where rainfall remains sparse. However, as the seasons transition into late spring and summer, the region experiences a dramatic shift, peaking in June and September with staggering amounts of rainfall—193 mm (7.6 in) and 253 mm (10.0 in), respectively. This trend highlights the stark contrast between the dry season's calmness and the intense rainy season, where a majority of the annual precipitation occurs, largely between June and October.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4300719397215253218424
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in La Union

In January, La Union, Mexico, experiences a comfortable humidity level of 66%, setting the stage for a mild start to the year. As the months progress, a gradual increase is observed, peaking at 79% in August, indicating the arrival of the summer season. The humidity remains relatively high through the summer and into early fall, with slight fluctuations but generally staying above 70%. By October, humidity begins to taper off to 75%, and continues to decrease through the winter months, ending the year at 70% in December. This trend illustrates a cyclical pattern, with humidity levels rising steadily as the year advances toward summer and then gradually receding as winter approaches.

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.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%69%73%76%78%79%78%75%72%70%
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 UV Index of 9, placing it in the very high exposure category with a burn time of just 15 minutes. As the months progress, the UV index peaks in April and June, reaching a staggering 14 and highlighting the extreme caution needed during these times, as burn times decrease to just 10 minutes. This trend of rising UV levels continues through the summer months, gradually tapering off in the fall and winter, where we see a return to very high levels of 9 in November and 8 in December. With UV rays consistently presenting a risk throughout the year, especially from February to September, it's crucial for visitors and residents alike to stay informed and protected against sun exposure. For more detailed insights, 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141412141198
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

In La Union, Mexico, January greets visitors with a delightful 240 hours of sunshine, laying the foundation for a year filled with vibrant light. As winter gives way to spring, sunlight hours steadily increase, peaking in May with an impressive 335 hours. This trend of growing brightness continues into the summer months, with July maintaining a commendable 310 hours. The sun’s embrace then gradually softens in the fall, as September observes a decline to 269 hours, followed by a gentle recovery in the cooler months. This cycle of escalating sunshine not only heralds warm beach days but also invites outdoor adventures, painting a picture of La Union as a sun-drenched paradise all 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h277h319h322h335h288h310h280h269h276h281h292h
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 enjoying sunny weather in January stands at a pleasant 61%, making it a promising start to the year. This moderate chance of sunshine sets the stage for more favorable conditions in February, where the likelihood rises significantly to 83%. As spring approaches, the sun-drenched days continue with March and April maintaining a healthy 81% and 79% chance, respectively. Interestingly, the trend shifts dramatically as summer arrives, with June plummeting to just 13%. Conversely, as the year winds down, the chances of sunny days improve again, hitting 71% in December. Overall, January serves as a gateway to the sunny months ahead, inviting visitors to bask in its early promise of warmth and light.

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.
JanFebMarAprMayJunJulAugSepOctNovDec61%83%81%79%62%13%18%14%14%32%58%71%
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 33m12h 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, welcomes gentle breezes with an average wind speed of 1.8 m/s (4 mph), setting a tranquil tone for the start of the year. This serene condition slightly increases to 1.9 m/s (4 mph) in February, hinting at the subtle shift towards a breezier spring. As the months progress, a gradual rise occurs, peaking at 2.2 m/s (5 mph) in April and May before tapering off again during the summer. Interestingly, the wind begins to soften after April, dropping to a calm 1.5 m/s (3 mph) by September. This cyclical trend showcases La Union's picturesque climate, where January's mild winds give way to a more spirited spring, only to mellow as the year unfolds, crafting a soothing atmosphere that residents and visitors alike can enjoy.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.8 m/s1.92.02.22.22.01.61.71.51.61.61.6
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 exhibit similar weather patterns, with both months offering a warm climate. In January, temperatures range from a minimum of 15°C (60°F) to a maximum of 33°C (92°F), maintaining an average of 24°C (76°F). Precipitation is minimal at 4 mm, with no rainy days recorded and humidity levels reaching 66%. Conversely, February presents slightly warmer conditions, with a minimum temperature of 14°C (58°F) and a maximum of 34°C (94°F), while keeping the average steady at 24°C (76°F). This month also sees reduced precipitation at just 2 mm, with the humidity slightly lower at 64%. For more detailed insights on February weather, you can check La Union weather in February.

In January, the weather typically features a minimum temperature of 15°C (60°F) and an average of 24°C (76°F), peaking at a maximum of 33°C (92°F). This month sees minimal precipitation, with only 4 mm (0.1 in) recorded over zero rainy days, contributing to a moderate humidity level of 66%. Conversely, March experiences slightly warmer temperatures, with a minimum of 16°C (61°F), an average of 25°C (76°F), and a maximum of 34°C (94°F). Notably, March is even drier than January, boasting no precipitation at all and a humidity level of 63%. For a detailed look at the weather specifics in March, visit La Union weather in March.

In comparing the weather between January and April, we can see some notable differences. January experiences slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 33°C (92°F), while April sees a min of 16°C (61°F) and a peak of 35°C (95°F). Both months are quite dry, with January recording just 4 mm of precipitation and no rainy days, mirroring the completely dry conditions in April. Humidity is also comparable, with January at 66% and April slightly higher at 69%. For more detailed information, you can check La Union weather in April.

In January, the weather is generally warm, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 33°C (92°F). With only 4 mm (0.1 in) of precipitation and no rainy days, the month remains predominantly dry, complemented by a humidity level of 66%. In contrast, May experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 35°C (96°F), averaging 26°C (79°F). May also sees a slight increase in precipitation to 7 mm (0.3 in) over just one rainy day, along with higher humidity at 73%. For more details on what to expect, check out La Union weather in May.

In January, the weather is characterized by milder temperatures, with a minimum of 15°C (60°F) and an average of 24°C (76°F), while enjoying just 4 mm (0.1 in) of precipitation over zero rainy days. The humidity level sits at a comfortable 66%. In contrast, June experiences warmer conditions, featuring a minimum of 19°C (67°F) and an average temperature of 26°C (80°F), but also brings significantly higher rainfall of 193 mm (7.6 in) across 17 days, accompanied by increased humidity at 76%. For a more detailed look at the weather patterns in June, you can check La Union weather in June.

In January, the weather in La Union is characterized by warm temperatures, with a minimum of 15°C (60°F) and an average of 24°C (76°F), reaching a maximum of 33°C (92°F). The month is relatively dry, featuring just 4 mm (0.1 in) of precipitation and no rainy days, along with a humidity level of 66%. In contrast, July brings significantly warmer conditions, with temperatures starting at a minimum of 23°C (73°F) and averaging 27°C (81°F), peaking at 34°C (94°F). However, July is also marked by considerable rainfall, receiving 97 mm (3.8 in) over 17 days, and an increase in humidity to 78%. For more details on July weather, you can visit La Union weather in July.

In January, the weather is typically mild with a minimum temperature of 15°C (60°F) and an average high of 33°C (92°F), accompanied by low precipitation levels of just 4 mm (0.1 in) and no rainy days, resulting in a humidity level of 66%. In contrast, August experiences significantly warmer temperatures, with a minimum of 22°C (72°F) and an average of 27°C (80°F), along with heavy rainfall totaling 215 mm (8.5 in) over 23 days, contributing to higher humidity at 79%. This stark difference highlights the transition from the dry and warm conditions of January to the hotter, wetter summer climate in August. For more detailed insights, you can explore La Union weather in August.

In January, the weather is generally warm and dry, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). This month sees minimal precipitation, with just 4 mm (0.1 in) and no rainy days, resulting in a humidity level of 66%.

In stark contrast, September experiences significantly warmer temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum reaching 34°C (94°F). However, this month is characterized by heavy rainfall, totaling 253 mm (10.0 in) over 23 rainy days, leading to an increased humidity level of 78%. For more detailed information, you can check La Union weather in September.

In January, the weather is generally warm with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). The month experiences very little precipitation, just 4 mm (0.1 in) across 0 days, and humidity levels are at a moderate 66%. In contrast, October sees higher minimum temperatures starting at 21°C (71°F) and an average of 26°C (79°F), though it can still reach up to 33°C (92°F). However, October is significantly wetter, with a substantial 218 mm (8.6 in) of rainfall spread over 24 days and increased humidity levels at 75%. For more details, check out La Union weather in October.

In January, the weather is typically warm, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). The month sees minimal precipitation, with only 4 mm (0.1 in) of rain and no rainy days, accompanied by a humidity level of 66%. In contrast, November experiences slightly warmer temperatures, with a minimum of 17°C (63°F), an average of 25°C (78°F), and a maximum of 34°C (93°F). However, this month is also characterized by more rainfall, totaling 42 mm (1.7 in) over about 7 days, and a higher humidity level of 72%. For more details, check out La Union weather in November.

In January, the weather is slightly warmer than in December, with minimum temperatures around 15°C (60°F) compared to December's 17°C (63°F). Both months share an average high of 33°C (92°F) and average temperatures of 24°C (76°F), but January experiences lower humidity at 66%, while December sees a higher humidity level of 70%. Precipitation remains low in both months, with January having no rainy days and December experiencing just one day of rain, totaling 4 mm (0.2 in) of precipitation. For more specific details about December weather, 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

January in La Union offers a delightful respite from the sweltering heat of other months, boasting pleasantly warm temperatures and notably low precipitation. With an average temperature of 24°C (76°F), the weather is mild, ideal for outdoor exploration without the usual humidity weighing down the experience. Unlike the rainy seasons that follow, January stands out with its refreshing dry spell, showcasing clear skies and sunshine ideal for enjoying the vibrant landscapes. This month serves as a perfect gateway to embrace the charm of La Union's climate. For more details on weather patterns throughout the year, visit La Union Climate.