January Weather in Hermosillo, Mexico

Last updated: April 22, 2025

January in Hermosillo, Mexico, presents a delightful mix of mild temperatures and occasional rainfall. With maximum temperatures reaching a pleasant 32°C (91°F) and an average hovering around 23°C (73°F), the weather is ideal for outdoor exploration. Nights can be cooler, with minimum temperatures dropping to 13°C (56°F). Although January typically sees 27 mm (1.0 in) of precipitation spread over 6 days, the humidity levels remain high at 76%, adding a refreshing touch to the dry surroundings. This month is perfect for enjoying the beauty of Hermosillo's landscape while remaining mindful of the occasional shower.

January Temperature in Hermosillo

In Hermosillo, Mexico, January greets visitors with a comfortable range of temperatures, making it one of the more pleasant months to experience the region. With minimums around 13°C (56°F) and average highs peaking at 32°C (91°F), the climate transitions gracefully from cool evenings to warm, sunny days. This early winter month showcases a mean temperature of 23°C (73°F), setting the stage for the gradual warming that follows in February and March, where temperatures consistently rise. The trend continues into late winter and spring, highlighting Hermosillo's warm climate, which remains inviting throughout the year. Overall, January emerges as a perfect time to enjoy outdoor activities before the heat intensifies in the coming months.

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

The chart illustrates January temperature patterns in Hermosillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737576777775767575757473
Data source: Temperature data for Hermosillo 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 Hermosillo

In January, Hermosillo experiences relatively low precipitation, with only 27 mm (1.0 in) of rainfall spread over about 6 days. This marks the beginning of the year with a drier spell, which is typical for the region. As we move into February, the precipitation decreases further, totaling just 15 mm (0.6 in) over 3 days. However, the trend dramatically shifts in the following months, with March seeing a rise to 38 mm (1.5 in) and April witnessing a significant increase to 120 mm (4.7 in). The onset of the monsoon season in May brings a staggering 533 mm (21.0 in), leading to nearly daily rainfall throughout the month. This pattern continues through the summer months, with August and September reaching their peak with 590 mm (23.2 in) and 683 mm (26.9 in) respectively. The frequency and intensity of rains gradually taper off into the fall and winter, demonstrating a clear seasonal cycle in Hermosillo’s precipitation landscape.

January Precipitation Trends in Hermosillo

The chart displays monthly precipitation patterns in Hermosillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec27153812053355346059068365827648
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Hermosillo

In Hermosillo, Mexico, January ushers in a notable level of humidity at 76%, setting the tone for a month that is generally characterized by cooler temperatures. However, this moisture begins to wane as the year progresses, with February seeing a drop to 68%. Humidity levels continue their descent through the spring months, reaching a low of 57% in April, before a slight uptick in May. This trend of fluctuating humidity persists into the summer, where levels rebound to 75% in July and peak at 82% in August and September. As the year winds down, humidity remains relatively high, hovering around 80-83% from October to December. Overall, Hermosillo's humidity showcases a clear seasonal pattern, with winter presenting the dampest conditions, transitioning to drier air in the spring, and peaking again during the summer months.

January Average Humidity in Hermosillo

This chart illustrates the average monthly humidity levels in Hermosillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Hermosillo

In Hermosillo, Mexico, January brings a UV Index of 10, placing it in the "very high" exposure category, with a burn time of just 15 minutes. This trend of elevated UV levels begins the year on a serious note, foreshadowing the even harsher conditions that follow. As the months progress, the UV Index escalates, peaking at 14 from March through July, representing an "extreme" exposure rating that demands vigilance and sun protection, with a notably short burn time of only 10 minutes. Interestingly, the UV levels slightly dip back to 13 in August and October, before descending once more to 10 in November and 9 in December, suggesting a seasonal pattern where winter months offer a reprieve from the fierceness of summer sun. With Hermosillo's high UV threats year-round, it's crucial to stay informed and take appropriate precautions. For more details, visit the Hermosillo UV Index.

Maximum UV Index Levels in Hermosillo for January

The chart shows the monthly maximum UV Index (UVI) for Hermosillo 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: Hermosillo 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 Hermosillo

In Hermosillo, Mexico, January greets residents with a generous 255 hours of sunshine, setting the stage for the sun-drenched months ahead. As winter transitions to spring, sunshine hours gradually increase, reaching a peak of 323 hours in March, showcasing the vibrant energy of the season. April and May maintain this trend with 314 and 308 hours, respectively, before the summer begins to take its toll, dropping to 259 hours in June. Despite this mid-year dip, sunshine levels bounce back in July with 303 hours, continuing into August with 285 hours. The fall months see a gentle decline, but November's 304 hours and December's 317 hours remind us of the sun's persisting presence even as the year comes to a close. Overall, Hermosillo's climate illustrates a captivating rhythm, where sunshine reigns high, especially at the turn of the seasons.

Monthly Sunshine Duration in Hermosillo: January Highlighted

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

Chance of Sun in Hermosillo During January

In Hermosillo, Mexico, January boasts a 65% likelihood of sunny weather, making it one of the brighter months of the year. As winter settles in, the sun shines more frequently than in the following months, especially when compared to February’s higher 78% chance. Interestingly, as spring approaches, this likelihood experiences a subtle decline, dropping to 64% in March and dipping further in April to 44%. The shift towards summer brings even less sunshine, with the likelihood plummeting to just 26% in May and an alarming low of 7% by June. Thus, while January offers a promising escape from the gloom, this trend serves as a gentle reminder to seize the sun while you can, as the warmer months draw near.

Percentage of Sunny Days in January in Hermosillo

The chart illustrates the percentage of sunny days in Hermosillo 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 Hermosillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec65%78%64%44%26%8%18%12%13%28%55%74%
Data source: Hermosillo January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hermosillo in January

In Hermosillo, Mexico, January marks the start of the year with 11 hours of daylight, a trend that continues into February. As spring approaches in March, daylight begins to extend, reaching 12 hours, and this generous sunlight persists through the summer months, peaking in April and remaining steady until August. Interestingly, daylight then gradually tapers off again as autumn sets in, returning to 11 hours by December. This cyclical pattern of increasing and decreasing daylight creates a rhythm that complements the region's climate, providing ample opportunity to enjoy the vibrant outdoor lifestyle Hermosillo has to offer.

Average Daylight Hours in Hermosillo for January

The chart illustrates the variation in daylight duration in Hermosillo 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 38m12h 3m12h 28m12h 49m12h 59m12h 53m12h 35m12h 11m11h 46m11h 25m11h 14m
Data source: Hermosillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Hermosillo

In Hermosillo, Mexico, the winds of January whisper gently, with an average speed of 1.4 m/s (3 mph), setting a tranquil tone for the beginning of the year. As February rolls in, the breeze picks up slightly to 1.5 m/s, maintaining that calm yet invigorating aura. The average wind speed then stabilizes at 1.4 m/s in March and dips a notch to 1.3 m/s in April, suggesting a mild and consistent pattern throughout the early months. Notably, as the year progresses into the warmer season, wind speeds decrease, reaching a low of 1.1 m/s from May through August before gradually rising again in November and December. This gentle ebb and flow of the wind creates a serene backdrop, perfect for enjoying the vibrant scenery and culture of Hermosillo.

Average January Wind Speed in Hermosillo

The chart displays monthly wind speed patterns in Hermosillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.4 m/s1.51.41.31.11.11.11.11.11.01.31.3
Data source: Hermosillo January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Hermosillo Compares to Other Months

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

January and February exhibit similar warm climates in Hermosillo, though February tends to be slightly warmer overall. In January, the temperatures range from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), while February shows a minor increase with minimum temperatures of 14°C (57°F) and maximums reaching 33°C (91°F). Precipitation is higher in January, with 27 mm (1.0 in) falling on about 6 days, compared to February’s 15 mm (0.6 in) over just 3 days. Additionally, humidity levels are a bit lower in February at 68%, down from January's 76%. For more details on February weather in Hermosillo, visit Hermosillo weather in February.

In January, Hermosillo experiences mild temperatures with a minimum of 13°C (56°F) and an average of 23°C (73°F), reaching up to 32°C (91°F) at its warmest. The month sees around 27 mm (1.0 in) of precipitation, occurring over about 6 days, with humidity levels averaging 76%. By contrast, in March, the weather is slightly warmer with a minimum temperature of 15°C (60°F) and an average of 24°C (76°F), while still peaking at 32°C (91°F). However, March also brings increased rainfall, totaling 38 mm (1.5 in) over roughly 9 days, and humidity drops to a more comfortable 59%. For more detailed information, check out Hermosillo weather in March.

January and April present contrasting weather patterns. In January, temperatures range from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), with an average of 23°C (73°F). The month sees relatively low precipitation, totaling 27 mm (1.0 in) over just 6 days, accompanied by high humidity at 76%. In contrast, April experiences higher temperatures, with a minimum of 16°C (62°F) and a maximum of 34°C (94°F), averaging around 25°C (78°F). However, it also brings significantly more rain, totaling 120 mm (4.7 in) across 17 days, and lower humidity at 57%. For more detailed information about climate conditions in April, check out Hermosillo weather in April.

In January, the weather in Hermosillo features a mild temperature range with averages around 23°C (73°F) and a maximum of 32°C (91°F), accompanied by relatively low precipitation of 27 mm over 6 days and high humidity at 76%. In contrast, May brings warmer temperatures, averaging 25°C (77°F) with highs reaching up to 34°C (93°F). However, this month also experiences significantly higher rainfall, totaling 533 mm over 30 days, with humidity levels dropping to 65%. For a more detailed look at the weather conditions, check out Hermosillo weather in May.

In January, Hermosillo experiences mild temperatures with a minimum of 13°C (56°F) and an average of 23°C (73°F), while the maximum reaches 32°C (91°F). The month sees relatively low precipitation, totaling 27 mm (1.0 in) over about 6 rainy days, coupled with a higher humidity level of 76%. In contrast, June presents warmer conditions, with a minimum temperature of 18°C (64°F) and an average of 24°C (76°F), while still peaking at 32°C (90°F). However, June is significantly wetter, receiving a striking 553 mm (21.8 in) of precipitation spread out over 29 days, and humidity drops to 66%. For more detailed information, you can check Hermosillo weather in June.

In January, the weather tends to be milder, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), and an average of 23°C (73°F). This month experiences relatively low precipitation, with only 27 mm (1.0 in) over about 6 days and a humidity level of 76%.

Conversely, July brings warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 31°C (89°F), averaging around 24°C (76°F). However, this month sees a significant increase in precipitation, totaling 460 mm (18.1 in) throughout 31 days, along with a slightly lower humidity of 75%. For more details on how July weather differs in Hermosillo, check out Hermosillo weather in July.

When comparing the weather in January and August, it's clear that both months feature warm temperatures, but they differ significantly in precipitation and humidity. January has a more moderate climate, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F) and only 27 mm (1.0 in) of precipitation over approximately 6 days. In contrast, August brings higher minimum temperatures of 17°C (64°F) and a similar maximum of 32°C (90°F), but experiences a staggering amount of rainfall at 590 mm (23.2 in) over 30 days, leading to higher humidity levels at 82%. For a detailed look at the weather patterns, you can check Hermosillo weather in August.

In January, the weather in Hermosillo is generally warm, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F) and an average of 23°C (73°F). This month experiences relatively low precipitation of 27 mm (1.0 in) over just 6 days, accompanied by a humidity level of 76%.

In contrast, September sees a more humid and significantly wetter climate, with temperatures slightly higher; the minimum is 17°C (63°F), average at 24°C (75°F), and the maximum reaching 31°C (88°F). With a whopping 683 mm (26.9 in) of rain falling over 29 days, the month features a noticeable increase in humidity, reaching 82%. For more details, you can check Hermosillo weather in September.

January and October show notable differences in weather patterns. In January, temperatures range from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), with an average of 23°C (73°F). This month experiences relatively low precipitation, totaling 27 mm (1.0 in) over just 6 days, along with a humidity level of 76%. Conversely, October features slightly warmer temperatures, with a minimum of 16°C (62°F) and a maximum of 31°C (88°F), averaging 24°C (75°F). However, October is significantly wetter, with a staggering 658 mm (25.9 in) of rainfall spread across 30 days, resulting in higher humidity at 83%. For more details, visit Hermosillo weather in October.

January and November in Hermosillo exhibit some notable differences in weather conditions. January sees a slightly lower minimum temperature of 13°C (56°F) compared to November's 15°C (60°F), while both months maintain a similar average temperature of around 23°C (73°F). However, November is characterized by significantly higher precipitation, with 276 mm (10.9 in) spread across 24 days, in stark contrast to January's 27 mm (1.0 in) over just 6 days. Additionally, the humidity is slightly higher in November at 80%, compared to January's 76%. For more details, you can visit Hermosillo weather in November.

In comparing the weather conditions of January and December, both months exhibit similar average temperatures, consistently around 23°C (73°F). However, January tends to have slightly warmer minimum and maximum temperatures, ranging from 13°C (56°F) to 32°C (91°F), compared to December's range of 15°C (58°F) to 30°C (87°F). Precipitation levels are notably higher in December, totaling 48 mm (1.9 in) over 9 days, while January sees a reduction to 27 mm (1.0 in) spread across only 6 days. Both months share the same humidity level of 76%, contributing to a similar feel in the air. For more details on December's weather, you can visit Hermosillo weather in December.

Compare Hermosillo's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Hermosillo

As January unfolds in Hermosillo, it presents a refreshing contrast to the harsher summer months. Average temperatures hover around a comfortable 23°C (73°F), allowing for pleasant outdoor activities without the searing heat typical of mid-year. While there are a few rainy days, the 27 mm of precipitation adds a calming touch to the atmosphere, and the 76% humidity offers a sense of crispness not often felt later in the year. This mix of mild temperatures and limited rainfall makes January an ideal time to explore the beauty of Hermosillo. For more insights on the city's year-round conditions, check out the detailed Hermosillo Climate page.