January Weather in La Union, Mexico

Last updated: April 22, 2025

In La Union, Mexico, January experiences a moderate climate characterized by a maximum temperature of 31°C (88°F), an average of 17°C (63°F), and a minimum of 6°C (43°F). This month marks a notably humid period, with an average humidity of 88% that can make the warm days feel even hotter. Rainfall is a common occurrence during January, with a total precipitation of 118 mm (4.6 in) spread over 16 days, creating a lush and vibrant landscape. This combination of warmth and moisture contributes to a diverse and rich environment, making it an intriguing time to experience the natural beauty of La Union.

January Temperature in La Union

In La Union, Mexico, January offers a delightful blend of mild temperatures, making it an inviting winter escape. The average temperature hovers around 17°C (63°F), with a comfortable range between a cool 6°C (43°F) at night and a warm 31°C (88°F) during the day. This month marks the beginning of a gradual warming trend that continues into February and beyond. While January nights can be crisp, the sunny days invite outdoor activities, perfect for exploring the vibrant landscapes. As the month progresses, temperatures subtly increase, hinting at the imminent warmth of spring, characterized by balmy weather that peaks in April and May. Overall, January presents a seasonal charm that balances brisk mornings with sun-kissed afternoons, making it an ideal time to enjoy the natural beauty of La Union.

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.
JanFebMarAprMayJunJulAugSepOctNovDec636569737777767776736864
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 118 mm (4.6 in) over 16 days, marking the beginning of its wet season. This rainfall sets the stage for a steadily increasing trend as the year progresses, with February slightly decreasing to 108 mm yet maintaining similar rainfall frequency. As spring approaches, March sees a notable rise to 152 mm (6.0 in), reinforcing the pattern of increased moisture. The following months witness a significant surge, particularly in June and September, peaking at 290 mm and 330 mm respectively, which underscores La Union's distinctive climatic shift toward heavier rains during the summer months. This pattern of consistent rainfall lays the groundwork for vibrant local ecosystems, while also displaying a gradual transition from relatively mild January showers to the intense downpours characteristic of late summer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec11810815214019629025129733032916481
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 high humidity level of 88%, setting the stage for a cozy yet slightly damp start to the year. As the months progress into February and March, humidity gradually decreases to 86% and 83%, respectively. This subtle decline continues through April and May, where levels stabilize around 80% to 82%. However, a marked drop occurs in the summer months, with July and August enjoying lower humidity at 72% and 74%, presenting a more comfortable atmosphere. The humidity begins to rise again in September, returning to 84%, and climbs dramatically toward the year's end, peaking at a steep 92% in October. With November and December maintaining similar levels, at 91%, it’s clear that the latter part of the year embraces a much wetter climate, contrasting with the drier summer months. This trend illustrates La Union's distinct seasonal humidity patterns, showcasing drastically varying conditions throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
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 8, categorizing sun exposure as very high with a burn time of just 15 minutes. As the months progress, UV levels intensify, peaking in May and June at an extreme UV Index of 13, necessitating vigilant sun protection with a much shorter burn time of only 10 minutes. Notably, while October and November see a slight decrease to a UV Index of 11 and 9 respectively, January’s high readings signal the need for caution as the region transitions into a consistently intense sun exposure season. Staying informed about these trends is vital for enjoying the sun safely; for 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.
JanFebMarAprMayJunJulAugSepOctNovDec810111213131312121197
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 welcomes visitors with approximately 195 hours of sunlight, a gentle introduction to its radiant year. As winter transitions to spring, the days gradually brighten, with February bringing 234 hours of sun, hinting at the increasing warmth to come. By March, the sun shines for 282 hours, heralding the vibrant energy of the upcoming months. April nudges the total even higher to 287 hours, while May dazzles with a peak of 313 hours, making it one of the sunniest months. This trend of abundant sunshine continues into June and July, where daylight reaches 292 and 320 hours, respectively, providing the perfect backdrop for beachside relaxation. As summer wanes, the light starts to taper off, with August and September recording 309 and 280 hours respectively, but still offering ample sunshine for outdoor adventures. October and November follow suit with 273 and 251 hours, showcasing a graceful transition into the cooler months, while December maintains a respectable 258 hours, ensuring that the sunshine doesn’t fade completely as the year closes. Overall, La Union's sunlight patterns illuminate an inviting path of radiant days from the beginning of the year until its end.

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.
JanFebMarAprMayJunJulAugSepOctNovDec195h234h282h287h313h292h320h309h280h273h251h258h
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 January, La Union, Mexico experiences a 24% chance of sunny weather, making it one of the cooler months for sun-seekers. As the year progresses, the likelihood of sunny days gradually increases, peaking at 51% in December. Notably, March marks a significant uptick to 41%, hinting at the arrival of more consistent sunshine as spring approaches. While January's clouds may not be as welcoming, the following months present increasingly brighter prospects, with February and April offering notable chances of sun at 29% and 35% respectively. This trend suggests that for those dreaming of a sunny getaway, planning towards the end of winter could yield much more favorable weather in the beautiful coastal region.

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.
JanFebMarAprMayJunJulAugSepOctNovDec24%29%41%35%32%12%22%31%19%32%33%51%
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 marks the beginning of a gradual transition in daylight duration, offering 11 hours of sunlight that echoes into February. As spring approaches, daylight begins to lengthen noticeably throughout March and April, reaching up to 12 hours. This trend continues into the warmer months of May, June, and July, where the sun graces the region with its maximum duration of 13 hours daily. As summer fades and autumn approaches, daylight starts to recede once again, bringing 12 hours in August and September before tapering down to 11 hours in October and November. By December, the sun's presence diminishes to 10 hours, signaling the close of the year. This cyclical pattern reflects the region's beautiful blend of consistent sunshine and seasonal variation, making every month a unique experience for residents and visitors alike.

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 2m11h 28m12h 2m12h 36m13h 5m13h 19m13h 11m12h 46m12h 13m11h 38m11h 9m10h 55m
Data source: La Union daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in La Union

In La Union, Mexico, the January wind sets the tone for the year, blowing gently at an average speed of 1.2 m/s (or 3 mph). This calmness, mirrored in the June, July, and September months, suggests that winter welcomes a tranquil start, perfect for those seeking solace by the coast. As the year progresses into February and ramps up through the spring months, wind speeds see a slight uptick, peaking in March through May at 1.5 m/s. This subtle but steady increase hints at a transition towards a more dynamic spring atmosphere, ideal for outdoor enthusiasts. As summer approaches, the winds again stabilize, falling back to the familiar 1.2 m/s by June. The remaining months offer a similar rhythm, with occasional fluctuations, collectively painting a picture of La Union's breezy yet consistent climatic charm throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.2 m/s1.41.51.51.51.21.21.31.21.21.31.3
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.

In January, the weather in La Union features a temperature range from a minimum of 6°C (43°F) to a maximum of 31°C (88°F), with an average temperature of 17°C (63°F). This month experiences significant precipitation, totaling 118 mm (4.6 in) over 16 days, and the humidity is relatively high at 88%.

In contrast, February brings slightly milder temperatures, with a minimum of 5°C (41°F), an average of 19°C (66°F), and a maximum of 33°C (92°F). Precipitation decreases to 108 mm (4.3 in) spread over 15 days, and humidity is marginally lower at 86%. Overall, February showcases warmer weather with slightly less rainfall compared to January. For more detailed information, check La Union weather in February.

In comparing the weather between January and March, we observe a slight increase in temperature. January features a minimum of 6°C (43°F) and an average of 17°C (63°F), while March sees a minimum of 8°C (47°F) and an average of 20°C (69°F). The maximum temperatures also rise, with January peaking at 31°C (88°F) compared to March's 33°C (92°F). However, March experiences more precipitation, totaling 152 mm (6.0 in) over 18 days, compared to January's 118 mm (4.6 in) over 16 days. Despite this, March has slightly lower humidity at 83% compared to January's 88%. For a more detailed look at March weather, check out La Union weather in March.

January and April exhibit notable differences in weather conditions. In January, temperatures range from a minimum of 6°C (43°F) to a maximum of 31°C (88°F), with an average of 17°C (63°F). The month experiences significant precipitation, totaling 118 mm (4.6 in) over 16 days, coupled with high humidity at 88%. In contrast, April sees a rise in temperatures, with a minimum of 11°C (52°F), an average of 23°C (74°F), and a maximum of 35°C (96°F). Precipitation also increases slightly to 140 mm (5.5 in), occurring over 13 days, while humidity drops to a more comfortable 80%. For a detailed overview of April conditions specifically, you can visit La Union weather in April.

In January, the weather is characterized by cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 31°C (88°F), averaging around 17°C (63°F). The month also experiences significant rainfall, totaling 118 mm (4.6 in) over 16 days, accompanied by high humidity levels at 88%.

In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a scorching maximum of 36°C (97°F), resulting in an average of 25°C (77°F). Precipitation increases to 196 mm (7.7 in) across 19 days, while humidity slightly decreases to 82%. For more detailed insights into the weather, you can explore La Union weather in May.

Overall, May is notably warmer and wetter than January, reflecting a shift to a more humid and tropical climate as the season progresses.

January and June present contrasting weather patterns. In January, temperatures range from a minimum of 6°C (43°F) at night to an average of 17°C (63°F) during the day, reaching a maximum of 31°C (88°F). The month sees considerable rainfall, with 118 mm (4.6 in) spread over 16 days and a high humidity of 88%. In stark contrast, June brings warmer temperatures, with a minimum of 17°C (63°F), an average of 25°C (77°F), and highs up to 35°C (95°F). However, this month is also marked by significantly more precipitation, totaling 290 mm (11.4 in) over 23 days, although humidity drops to 79%. For more details on the climate, you can check La Union weather in June.

In January, the weather in La Union is characterized by milder temperatures, with a minimum of 6°C (43°F) and an average of 17°C (63°F), reaching a high of 31°C (88°F). However, this month also sees significant rainfall, with around 118 mm (4.6 inches) spread over 16 days, contributing to a high humidity level of 88%. In contrast, July experiences warmer conditions, with minimum temperatures around 18°C (65°F) and an average of 25°C (77°F), peaking at 32°C (90°F). Nevertheless, July is much wetter, recording 251 mm (9.9 inches) of precipitation over 28 days, but has a lower humidity level at 72%. For more detailed information, you can check La Union weather in July.

In January, the weather in La Union is pleasantly mild, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 31°C (88°F) and an average of 17°C (63°F). However, this month experiences significant precipitation, averaging 118 mm (4.6 in) over 16 days, coupled with high humidity levels of 88%. In contrast, August brings warmer temperatures, with a minimum of 17°C (63°F) and a maximum reaching 32°C (91°F), resulting in an average of 25°C (77°F). August is also notably wetter, receiving 297 mm (11.7 in) of rain over 27 days, but the humidity drops to a more comfortable 74%. For a detailed look at the weather specifics in August, you can refer to La Union weather in August.

January and September display notable differences in weather patterns. In January, temperatures range from a minimum of 6°C (43°F) to a maximum of 31°C (88°F), with an average of 17°C (63°F). The month experiences about 118 mm (4.6 in) of precipitation over 16 days, with humidity levels reaching 88%. In contrast, September boasts warmer temperatures, with a minimum of 15°C (60°F) and maximums soaring to 34°C (93°F), averaging 24°C (76°F). This month is significantly wetter, receiving approximately 330 mm (13.0 in) of rain across 24 days, while the humidity is slightly lower at 84%. For more details, you can refer to La Union weather in September.

In January, the weather features a wide temperature range with a minimum of 6°C (43°F) and a maximum of 31°C (88°F), averaging around 17°C (63°F). The month experiences 118 mm (4.6 in) of precipitation over 16 days, accompanied by high humidity at 88%. In contrast, October brings warmer conditions with a minimum temperature of 14°C (57°F), a maximum of 33°C (92°F), and an average of 23°C (73°F). However, this month also sees a significant increase in rainfall, totaling 329 mm (13.0 in) over 19 days, while humidity rises slightly to 92%. For a detailed look at the weather specifics, refer to La Union weather in October.

January and November showcase distinct weather patterns, with January offering a wider temperature range from a minimum of 6°C (43°F) to a maximum of 31°C (88°F) and averaging 17°C (63°F). In contrast, November tends to be slightly milder, with a minimum of 4°C (40°F) and a maximum of 30°C (87°F), averaging 20°C (68°F). Precipitation levels also differ, with January receiving 118 mm (4.6 in) over 16 days, while November sees higher rainfall at 164 mm (6.4 in) across 17 days. Humidity levels remain relatively high in both months, with January at 88% and November slightly higher at 91%. For a closer look at November's unique weather conditions, visit La Union weather in November.

In comparing the weather of January and December, January exhibits slightly warmer temperatures, with average highs reaching 31°C (88°F), while December peaks at 30°C (86°F). However, January also experiences higher humidity at 88% compared to December's 91%. Precipitation levels are notably increased in January, accumulating 118 mm (4.6 in) over 16 days, in contrast to December's more modest 81 mm (3.2 in) across 11 days. For a detailed look at December weather patterns, you can visit 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 distinct shift in weather compared to other months. The cooler nights and mild days create a refreshing contrast to the warmer seasons, with temperatures hovering around a comfortable average. However, the month is marked by significant precipitation, with around half of January seeing rainfall, contributing to lush surroundings. High humidity levels, reaching up to 88%, give the air a tropical feel, making it a unique time to visit. For those planning a trip, understanding this dynamic January climate is essential; you can find more details at La Union Climate.