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Contents
- The climate of Hermosillo
- The best time to visit Hermosillo
- The worst time to visit Hermosillo
- Spring weather in Hermosillo
- Summer weather in Hermosillo
- Autumn weather in Hermosillo
- Winter weather in Hermosillo
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The intricate design of the mighty Assumption Cathedral Church building located in Hermosillo, Mexico
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.
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 »
[Resources]Frequently asked questions
How much does it rain in Hermosillo?
In Hermosillo, Mexico, during the entire year, the rain falls for 69.5 days and collects up to 262mm (10.31") of precipitation.
When is the lowest UV index in Hermosillo?
The months with the lowest UV index in Hermosillo, Mexico, are January, February, November and December, with an average maximum UV index of 5.
What is the least humid month in Hermosillo?
With an average relative humidity of 22%, May is the least humid month.
What is the driest month in Hermosillo?
May is the only month when rain does not fall.
When is the highest UV index in Hermosillo?
The months with the highest UV index are May through September, with an average maximum UV index of 8.
What is the hottest time of year in Hermosillo?
With its average high temperature of 38.8°C (101.8°F) and a low of 25.8°C (78.4°F), June is regarded as the warmest month.
When does it rain in Hermosillo?
Months with rainfall are January through April, June through December.
When are the longest days in Hermosillo?
With an average of 14h and 0min of daylight, June has the longest days of the year.
What month has the most sunshine in Hermosillo?
June has the most sunshine of the year in Hermosillo, with an average of 12.2h of sunshine.
What is the most humid month in Hermosillo?
The most humid month is August, with an average relative humidity of 50%.
What is the wettest month in Hermosillo?
The month with the most rainfall in Hermosillo, Mexico, is August, when the rain falls for 17.3 days and typically aggregates up to 67mm (2.64") of precipitation.
What is the coldest month in Hermosillo?
Hermosillo's temperature records reveal December as the coldest month, marked by average highs of 22.7°C (72.9°F) and lows of 12.3°C (54.1°F).
What is the month with the shortest days in Hermosillo?
The month with the shortest days is December, with an average of 10h and 18min of daylight.
Is there Daylight Saving Time (DST) in Hermosillo?
Hermosillo, Mexico, does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.
What is the month with the least sunshine in Hermosillo?
The month with the least sunshine in Hermosillo, Mexico, is December, with an average of 7h of sunshine.
Average temperature
Hermosillo, Mexico
The warmest month (with the highest average high temperature) is June (38.8°C).
The month with the lowest average high temperature is December (22.7°C).
The month with the highest average low temperature is July (28.7°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure
Hermosillo, Mexico
- Average pressure in January:
1016.6mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1012.1mbar - Average pressure in May:
1010.7mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1011.2mbar - Average pressure in August:
1010.6mbar - Average pressure in September:
1010.1mbar - Average pressure in October:
1011.5mbar - Average pressure in November:
1014.3mbar - Average pressure in December:
1016mbar
The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Hermosillo, Mexico
- Average wind speed in January:
8.8km/h - Average wind speed in February:
10.1km/h - Average wind speed in March:
11.2km/h - Average wind speed in April:
12.9km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
13.8km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
10.4km/h - Average wind speed in September:
10.5km/h - Average wind speed in October:
9.3km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
8.9km/h
The windiest month (with the highest average wind speed) is June (13.8km/h).
The calmest month (with the lowest average wind speed) is January (8.8km/h).
Average humidity
Hermosillo, Mexico
The month with the highest relative humidity is August (50%).
The month with the lowest relative humidity is May (22%).
Average rainfall
Hermosillo, Mexico
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is May (0mm).
Average rainfall days
Hermosillo, Mexico
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
1.7 days - Average rainfall days in March:
2 days - Average rainfall days in April:
1.1 days - Average rainfall days in May:
0.7 days - Average rainfall days in June:
3.1 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
4 days - Average rainfall days in November:
2.8 days - Average rainfall days in December:
2.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is May (0.7 days).
Average daylight / Average sunshine
Hermosillo, Mexico
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
9h and 2min - Average sunshine in March:
9h and 2min - Average sunshine in April:
10h and 5min - Average sunshine in May:
12h and 1min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 0min - Average sunshine in November:
7h and 1min - Average sunshine in December:
7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Hermosillo, Mexico
- Average sunshine days in January:
28.4 days - Average sunshine days in February:
26 days - Average sunshine days in March:
28.7 days - Average sunshine days in April:
29.2 days - Average sunshine days in May:
30.2 days - Average sunshine days in June:
25.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
25.2 days - Average sunshine days in November:
26.9 days - Average sunshine days in December:
27.4 days
The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (9 days).
Average UV index
Hermosillo, Mexico
The months with the highest UV index are May, June, July, August and September (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 5).
Average cloud cover
Hermosillo, Mexico
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 5).
Average visibility
Hermosillo, Mexico
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Hermosillo, Mexico
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