The climate of Hermosillo
Hermosillo,
Mexico is submerged in the subtropical desert climate zone, more technically defined by the Köppen climate classification as BWh. The geographical position of this city has a significant influence on the annual weather conditions. It has a clear distinction of four seasons with varying degrees of temperature, humidity, and rainfall.
Throughout the year, the weather in Hermosillo undergoes noticeable changes. The temperature ranges from 11.8°C (53.2°F) to 38.8°C (101.8°F), the highest temperatures being recorded in the summer months. On the contrary, it drops to the lowest threshold during winter. The presence of humidity also registers an annual fluctuation, with the lowest 22% noted in
May and the highest 50% in
August. Among all the weather parameters, rainfall displays the most noteworthy variations.
In terms of unique weather patterns, Hermosillo's climate is distinctly desert-like with certain months showing zero rainfall. Specifically, May records no rainfall at all. Furthermore, the summer months experience heightened temperatures soaring up to 38.8°C (101.8°F) in
June, which is also coupled with a relative increase in humidity.
The best time to visit Hermosillo
For travelers aiming for the optimal weather conditions, the months from
November to
April serve as the best time to visit
Hermosillo. The weather remains comparatively cooler during these months with temperature dropping below 34.4°C (93.9°F). Furthermore, a low relative humidity, around 36 to 39%, persists during these months, keeping the climate comfortable. Rainfall during this period also remains at manageable levels, averaging around 7 to 11mm (0.43"), making sightseeing and outdoor activities quite feasible.
The worst time to visit Hermosillo
The period between
June to
September is considered the most unfavorable for visiting
Hermosillo. The temperature during these months escalates to the highest levels of the year, reaching up to 38.8°C (101.8°F). Combined with an increased level of humidity, fluctuating from 44 to 50%, the climate becomes particularly oppressive. Moreover, these months also witness substantial rainfall, from 62mm (2.44") in
July to 59mm (2.32") in September, making it the wettest period of the year.
Spring weather in Hermosillo
Spring in
Hermosillo initiates from
March and continues till
May. The transformation in weather during these months is marked by a substantial rise in temperature, escalating from 28.6°C (83.5°F) in March to 34.4°C (93.9°F) in May. Despite this temperature surge, the relative humidity remains quite low falling between 24 to 22%. One distinctive characteristic of this season is the decrease in rainfall with May experiencing no rainfall at all.
Summer weather in Hermosillo
Summer sets in
Hermosillo from
June and lasts till
August. This season witnesses a significant increase in temperature with June reaching a high of 38.8°C (101.8°F) and maintaining above 37.3°C (99.1°F) throughout the season. Simultaneously, levels of humidity also take an upward turn, hitting a high point of 50% in August. This season experiences the highest rainfall of the year, reaching a peak of 67mm (2.64") in August, signifying an extreme climatic condition.
Autumn weather in Hermosillo
Autumn in
Hermosillo starts from
September and concludes in
November. This period marks a gradual drop in temperature falling from 35.6°C (96.1°F) in September to 27.6°C (81.7°F) in November. Similar trends follow in humidity, retreating from 49 to 37%, and in rainfall with it decreasing from 59mm (2.32") to 12mm (0.47"). These parameters exhibit that Autumn experiences a transition to a more moderate climate.
Winter weather in Hermosillo
Winter in
Hermosillo spans from
December till
February. This season is characterized by the year's lowest temperatures, dipping to 11.8°C (53.2°F) in December and rising to 12.7°C (54.9°F) in February. A relatively higher humidity, fluctuating around 34 to 36%, is seen during this period. Winter also records the least rainfall, oscillating between 7 to 8mm (0.31"), emphasizing that it is the driest season of Hermosillo.
Weather in January
January in
Hermosillo,
Mexico, greets the New Year with fairly mild weather. Post the chilly conditions of the previous month, January experiences a slight increase in the daytime highs to 23.8°C (74.8°F) while the nighttime lows hover around 11.8°C (53.2°F).
Weather in January » Weather in February
As
February arrives, the gradual shift towards Spring begins in
Hermosillo. Daytime temperatures experience a slight increase from the previous month, creating a pleasant warmth during the day. Despite this, nights continue to provide a cool respite.
Weather in February »Weather in March
March in
Hermosillo sees a hint of the upcoming summer with daytime temperatures reaching up to 28.6°C (83.5°F). Compared to
February's mild conditions, this month introduces a noticeable warmth. Nonetheless, the nights still provide a cool escape from the burgeoning heat.
Weather in March »
Weather in April
April in
Hermosillo witnesses a significant climb in temperature, offering the first taste of the approaching summer. Daytime highs can reach a balmy 31.4°C (88.5°F), noticeably warmer than
March, while nighttime lows stay moderately cool.
Weather in April » Weather in May
May heralds the onset of summer in
Hermosillo with daytime temperatures soaring to a searing 34.4°C (93.9°F). Compared to
April's warmth, May's heat can be quite imposing. However, the prolonged daylight hours provide ample opportunities for sightseeing and exploring the local landscape.
Weather in May » Weather in June
June in
Hermosillo marks the peak of summer with an impressive average high temperature of 38.8°C (101.8°F). This is the hottest month in Hermosillo, significantly warmer compared to
May. While the daytime may be intense, evenings offer a cooler atmosphere for outdoor activities.
Weather in June »
Weather in July
July observes a slight dip in temperature from
June's peak, yet remains characteristically summer-like. Disrupting the dry spell, July features an average rainfall of 62mm (2.44"), a significant increase from the previous month. Daylights hours continue to remain long, offering ample time for sightseeing.
Weather in July » Weather in August
August in
Hermosillo continues
July's trend of high temperatures, accompanied by noticeable rainfall. Despite the heat and rain, Hermosillo's long hours of daylight persist, with twilight illuminating the city well into the evening.
Weather in August » Weather in September
September brings an end to the intense summer temperatures of
Hermosillo. Although daytime temperatures can still reach a hot 35.6°C (96.1°F), nights gradually become much cooler. September's weather marks the transition from summer to fall.
Weather in September »
Weather in October
October signifies the arrival of fall in
Hermosillo with temperatures dropping noticeably from
September's highs. This month offers milder days and cool evenings. The city continues to decrease its rainfall levels, returning to the dry conditions characteristic of the region.
Weather in October » Weather in November
November retains the cool climate of fall in
Hermosillo. Temperatures continue their gradual fall from the highs of
October, paving the way for the approaching winter. The city's weather becomes significantly cooler compared to the hot conditions that lasted up until a couple of months ago.
Weather in November » Weather in December
December in
Hermosillo ushers in the winter with much cooler temperatures compared to
November. With average highs of 22.7°C (72.9°F) and lows hovering around 12.3°C (54.1°F), December marks the onset of cooler and shorter days.
Weather in December »