January Weather in La Union, Mexico

Last updated: April 22, 2025

In January, La Union, Mexico, experiences pleasant weather characterized by warm temperatures and minimal precipitation. With daytime highs reaching up to 35°C (95°F) and an average of 27°C (80°F), the climate is perfect for outdoor activities. Nights cool down to a comfortable 17°C (63°F), providing ideal conditions for relaxation. Remarkably, this month records just 2 mm (0.1 in) of rain, with 0 days of precipitation, allowing residents and visitors to fully enjoy the beautiful surroundings. The air remains 70% humid, adding a touch of warmth to the refreshing coastal breeze.

January Temperature in La Union

In January, La Union, Mexico, enjoys a delightful climate that sets the tone for the year. With minimum temperatures around 17°C (63°F) and a pleasant average of 27°C (80°F), the month provides a comfortable respite from the colder northern climates. As the days progress, highs can reach up to 35°C (95°F), hinting at the warmer weather that will define the coming months. Observing the monthly trends, it's clear that January's temperatures gradually rise, paving the way for February's slight increase in both minimum and average temperatures, which further transitions into spring. The warmth continues to build in March and April, where temperatures center around the 30°C (86°F) mark, culminating in the peak summer heat by May. Thus, January serves as a beautiful bridge that emphasizes La Union's overall warm and inviting climate for those looking to escape the chill.

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.
JanFebMarAprMayJunJulAugSepOctNovDec808284858482838282818180
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 a notably dry start to the year, with a mere 2 mm (0.1 in) of precipitation recorded over 0 rainy days. This minimal rainfall sets the stage for a gradual uptick in moisture leading into the spring months. As April approaches, precipitation surges to 18 mm (0.7 in) over just 4 days, hinting at the onset of a wetter season. The real deluge, however, arrives in May and continues through the summer months, with June seeing a staggering 241 mm (9.5 in) of rainfall across 20 days. This trend of increasing precipitation culminates in September, when rainfall peaks at 278 mm (10.9 in), highlighting the region's distinct wet season. By the time November rolls around, rainfall decreases sharply, leaving behind a dry atmosphere reminiscent of January's conditions. Overall, the fluctuating precipitation patterns underscore La Union's transition from aridity to abundant rainfall throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2121917424175175278266492
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 a humidity level of 70%, setting the stage for a relatively moist start to the year. As winter gives way to spring, humidity gently declines to 68% in February and further drops to 64% in March, creating a more comfortable atmosphere. However, with the arrival of warmer months, humidity begins to rise again—reaching 74% in May and escalating to a peak of 82% in August, as summer envelops the region. This trend highlights the noticeable shift towards higher humidity, which remains elevated through the fall, with values consistently around 80% from September to November. Finally, humidity tapers off to 75% in December, marking a gradual return to the drier start of the year. This cyclical pattern underscores La Union’s dynamic climate, where seasonal shifts dictate the humidity experience for its residents and visitors alike.

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.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
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 10, classifying it in the very high exposure category, with a burn time of just 15 minutes. As the months progress, the UV Index escalates sharply, peaking at 14 from March to September, indicating an extreme level of exposure and necessitating caution, as burn time shrinks to a mere 10 minutes. Following this peak, in October, the Index drops slightly to 13, before returning to 10 in November and finally declining to 9 in December, once again signaling a very high risk of harm from sun exposure. This trend underscores the importance of sun protection during La Union's brighter months. To find out more about the UV Index throughout the year, check out 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
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 January, La Union, Mexico, basks in a delightful 255 hours of sunshine, setting a cheerful tone for the year. As winter progresses into February, the days grow brighter with 287 hours of sunlight, hinting at the gradual approach of spring. By March, the sun truly shines down with an impressive 323 hours, marking the beginning of the peak sunny season. This trend continues, with April and May retaining their warmth at 314 and 308 hours respectively, allowing locals and visitors to fully enjoy outdoor activities. However, as we transition into the summer months, June sees a slight dip to 259 hours, a pattern that resurfaces in September and October with 267 and 268 hours respectively. Yet, November and December bring back the sun's glory, offering 304 and 317 hours of radiant light, ensuring that the year closes on a high note. Overall, La Union boasts a remarkable balance of sunshine throughout the year, making it an inviting destination for sun-seekers.

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.
JanFebMarAprMayJunJulAugSepOctNovDec255h287h323h314h308h259h303h285h267h268h304h317h
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, January boasts a 68% chance of sunny weather, setting a promising tone for the year ahead. This month stands out as a favorable start, especially when compared to the following month, February, which sees an even higher 82% chance of sunshine. As winter transitions into spring, the likelihood of sunny days gradually fluctuates, peaking again in March at 73%. However, as the summer approaches, the odds take a noticeable dip, with May plummeting to 32% and June offering a mere 11% chance of clear skies. This trend highlights the region's vibrant winters and bears witness to the typical seasonal shift where sunny escapes become more elusive during the summer months, only to return again in late fall. So, if you’re seeking sun in La Union, January is certainly a great choice!

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.
JanFebMarAprMayJunJulAugSepOctNovDec68%82%73%52%32%11%21%15%16%36%63%82%
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 visitors with approximately 11 hours of daylight, a gentle start to the year that mirrors February's sunlit offerings. As the days stretch into March, the duration increases to 12 hours, initiating a delightful trend that continues through the warmer months. This consistent 12-hour daylight span persists from March all the way to September, making it an ideal period for outdoor adventures and enjoying the vibrant local culture. As the year winds down, daylight once again recedes in October, November, and December, returning to 11 hours. This cyclical pattern of daylight serves as a backdrop for festive celebrations and tranquil winter days in this picturesque locale.

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 20m11h 39m12h 3m12h 28m12h 48m12h 58m12h 53m12h 34m12h 11m11h 46m11h 25m11h 14m
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 gentle breezes with an average wind speed of 1.3 m/s (3 mph), setting a calm tone for the month. This subtle wind pattern smoothly transitions into February, where the speed slightly increases to 1.6 m/s (4 mph). As the months progress, wind speeds fluctuate modestly, hovering around the 3 mph mark, with peaks in February, April, and a slight dip in May. With the summer approaching, the winds remain warm and inviting, typically around 1.2 m/s (3 mph) in the heart of the season. Interestingly, the overall trend denotes a relatively stable and mild wind environment throughout the year, enhancing La Union's charm as a tranquil getaway.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.3 m/s1.61.51.61.11.31.21.21.31.11.21.2
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.

In comparing the weather between January and February, both months feature warm temperatures, but February tends to be slightly warmer overall. January sees minimums of 17°C (63°F) and maximums reaching 35°C (95°F), while February has a minimum temperature of 18°C (64°F) and peaks at 36°C (96°F). Precipitation is minimal during both months, with January recording 2 mm and February just 1 mm, neither experiencing any rainy days. Humidity levels are similar, with January at 70% and February slightly lower at 68%. For more detailed weather insights, you can check La Union weather in February.

In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 27°C (80°F). The month experiences low precipitation of just 2 mm (0.1 in) and maintains a humidity level of 70%. By March, temperatures rise slightly, with a minimum of 21°C (70°F) and a maximum reaching 36°C (98°F), resulting in an average temperature of 29°C (84°F). Precipitation remains minimal at 2 mm (0.1 in) with no rainy days, but humidity decreases to 64%. For a detailed overview of the weather in March, you can visit La Union weather in March.

In January, the weather in La Union is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 27°C (80°F), reaching a maximum of 35°C (95°F). This month sees little to no precipitation, with humidity levels at about 70%. In contrast, April experiences slightly warmer conditions, featuring a minimum temperature of 21°C (70°F) and an average of 30°C (86°F), peaking at 38°C (100°F). Additionally, April brings more rainfall, with 18 mm (0.7 in) spread over four days, and a marginally lower humidity of 67%. For more detailed information, check out La Union weather in April.

In January, the weather in La Union features warm temperatures, with a minimum of 17°C (63°F) and an average of 27°C (80°F), peaking at a maximum of 35°C (95°F). This month is characterized by very little precipitation, as there are no rainy days and only 2 mm (0.1 in) of rainfall, alongside a humidity level of 70%. In stark contrast, May brings even warmer temperatures, with minimums of 23°C (74°F) and averages around 29°C (84°F), reaching highs of 37°C (99°F). However, May is significantly wetter, experiencing 174 mm (6.9 in) of rainfall over 19 days and a slight increase in humidity to 74%. For more detailed information about May weather in La Union, you can visit La Union weather in May.

In January, the weather is characterized by warm temperatures with a minimum of 17°C (63°F) and an average of 27°C (80°F), reaching a maximum of 35°C (95°F). The month is notably dry, with just 2 mm of precipitation and no rainy days, and humidity levels hover around 70%. In contrast, June brings a noticeable increase in humidity to 78% and considerably higher rainfall, averaging 241 mm (9.5 in) over 20 days. While the maximum temperature remains the same at 35°C (95°F), the minimum temperature rises to a more humid 23°C (74°F), making for a very different weather experience. For more details on the climate, check out La Union weather in June.

The weather in January and July exhibits notable contrasts. In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average temperature of 27°C (80°F). This month experiences minimal precipitation, totaling just 2 mm (0.1 in) over 0 days, and maintains a humidity level of 70%. In contrast, July has warmer nights, with a minimum temperature of 22°C (73°F) and an average of 28°C (83°F). The temperature can peak at 36°C (98°F), but the month is significantly wetter, receiving about 75 mm (3.0 in) of rainfall across 9 days, while humidity rises to 81%. For more detailed weather patterns, check out La Union weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a comfortable 17°C (63°F) at night to a warm 35°C (95°F) during the day, with little to no precipitation and humidity at 70%. In contrast, August experiences higher humidity at 82% and a wider temperature range, with minimums of 22°C (72°F) and maximums reaching 36°C (97°F). Additionally, August is significantly wetter, receiving 175 mm (6.9 in) of precipitation over 17 days. For more details, check out La Union weather in August.

In January, the weather is characterized by warm temperatures, with lows around 17°C (63°F) and highs reaching up to 35°C (95°F), while the average temperature sits at 27°C (80°F). Precipitation is virtually nonexistent, with just 2 mm recorded over the entire month, resulting in relatively low humidity at 70%. In contrast, September experiences a different climate, with minimum temperatures rising to 22°C (72°F) and an average of 28°C (82°F), but the maximum remains the same at 35°C (95°F). However, September is significantly wetter, receiving 278 mm (10.9 in) of rain over 19 days and with humidity levels climbing to 80%. For more details on September's weather, visit La Union weather in September.

In January, the weather is warm and dry, with temperatures ranging from a mild 17°C (63°F) at night to a hot 35°C (95°F) during the day, and only a trace of precipitation over the entire month. The average humidity sits at a comfortable 70%, making it a pleasant time to enjoy outdoor activities. In stark contrast, October brings significantly cooler nighttime lows of 22°C (72°F) and a similar daytime average of 27°C (81°F). However, it also ushers in a wet season with an impressive 266 mm (10.5 in) of rain over 21 days, resulting in a higher humidity level of 81%. For more details on October's weather patterns, you can check La Union weather in October.

In January, the weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and a maximum of 35°C (95°F). The month typically experiences no precipitation and has a humidity level of around 70%. In contrast, November sees slightly warmer nights with a minimum temperature of 20°C (68°F) and a maximum of 34°C (93°F). Unlike January, November is more humid at 80% and experiences an average precipitation of 49 mm (1.9 in) over six days. For more details about the weather during this month, you can check La Union weather in November.

In comparing the weather between January and December, we see that both months maintain a warm climate with average temperatures around 27°C (80°F). However, January features slightly higher maximum temperatures, peaking at 35°C (95°F), compared to December's maximum of 34°C (93°F). The minimum temperatures remain similar, with January averaging 17°C (63°F) and December at 18°C (64°F). Both months experience negligible precipitation of just 2 mm (0.1 in) and have no rainy days. However, January's humidity is slightly lower at 70%, while December has a higher humidity level of 75%. For a deeper look at December's weather specifics, you can check this link: La Union weather in December.

Compare La Union's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in La Union

As January rolls in, La Union experiences a delightful shift from the heavier rains and humidity of other months. With warm temperatures averaging around 27°C (80°F) and minimal rainfall, this month offers a refreshing respite from the more intense conditions of the rainy season. The dry days, combined with 70% humidity, create a perfect climate for enjoying the outdoors without the discomfort that can accompany other times of the year. For a deeper insight into the overall climate of La Union, be sure to check out La Union Climate.