Last updated: January 18, 2025
Baja California, Mexico, exhibits a diverse climate characterized by the Koppen-Geiger climate classifications of Csa, BSk, BWh, and BWk. This region experiences significant temperature variations throughout the year, with a minimum recorded temperature of -6°C (22°F) in January, a comfortable average of 21°C (69°F), and soaring maximums reaching 50°C (123°F) in September. Such climatic diversity underscores Baja California's unique environmental features, making it a region of great interest for climate studies and ecological exploration.
Temperature patterns in Baja California, Mexico, reveal distinct seasonal trends, transitioning from the cooler months of winter to the intense heat of summer. January and February see minimum temperatures dipping to -6°C (22°F) and -4°C (25°F), respectively, while average temperatures hover around 14-15°C (58°F). As spring approaches, March and April experience a gradual warming, with averages reaching 16°C (62°F) and 20°C (68°F), and maximums climatically rising to 37°C (100°F) by April. The heat peaks in the summer months of June through August, where average temperatures escalate to 25-28°C (77-83°F) and maximums can soar as high as 50°C (122°F) in June. As autumn sets in, temperatures start to cool again, with October and November showcasing averages of 22-18°C (72-65°F) and noticeable drops in maximum temperatures, culminating in December with averages returning to 14°C (58°F). This dynamic fluctuation highlights Baja California's dramatic climate variability, influenced by its unique geographical features.
Guanajuato experiences a wide temperature range, with a minimum of 1°C (35°F) in January and a scorching maximum of 49°C (121°F) in September, as detailed in monthly temperatures in Guanajuato. In comparison, both Tijuana and Isla Cozumel have similar temperature profiles, with minimums of 6°C (43°F) in February and maximums reaching 32°C (90°F) in October, as shown in monthly temperatures in Tijuana and monthly temperatures in Isla Cozumel.
Precipitation in Baja California, Mexico, displays a distinct pattern throughout the year, with the bulk of rainfall occurring during the winter months. January and February are the wettest months, receiving 33 mm (1.3 in) and 39 mm (1.5 in) of rain, respectively, often spanning 3 to 4 days of rainfall each month. This wet period is followed by a notable decrease in precipitation during the spring, with April and May recording just 12 mm (0.5 in) each and only 1 to 2 days of rain, signaling a transition toward the drier summer season.
During the summer months, June through August, rainfall significantly drops to minimal amounts, with June recording only 3 mm (0.1 in) and essentially no rainy days. Light showers occasionally occur in July and August, accumulating 7 mm (0.3 in) and 6 mm (0.2 in), respectively. As fall approaches, precipitation begins to slightly increase with 10 mm (0.4 in) in both September and October, and November experiencing a moderate rise to 18 mm (0.7 in). Finally, December sees a resurgence in precipitation, culminating in 35 mm (1.4 in), reaffirming Baja California's characteristic seasonal weather patterns.
In Baja California, Mexico, sunshine duration exhibits a significant seasonal trend, peaking during the summer months. Beginning in January with 202 hours of sunlight, the region experiences a steady increase in sunshine as winter transitions to spring. February sees a rise to 247 hours, and by March, this figure reaches 304 hours. As the temperatures warm, April and May further elevate the sunshine hours to 329 and 368 hours, respectively, laying the groundwork for the sunniest months ahead. This upward trajectory culminates in June, July, and August, where sunshine durations reach their zenith at 371, 375, and 359 hours.
As summer wanes, Baja California begins to experience a gradual decline in sunshine hours. September still boasts a respectable 321 hours, but from this point, sunlight diminishes as autumn sets in. October offers 302 hours, followed by November and December, which drop to 263 and 243 hours, respectively. This seasonal fluctuation not only highlights the bright, sun-drenched summers that define the region but also marks the periods of shorter days and fewer sunshine hours that follow, contributing to Baja California’s unique climate profile.
The UV Index in Baja California, Mexico, reflects significant seasonal shifts, indicating varying levels of sun exposure throughout the year. Starting from January with a UV Index of 6, categorized as high, individuals can safely spend up to 25 minutes in the sun without protection. However, as the year progresses into February and March, the UV Index escalates to 8 and 10, respectively, entering the very high exposure category, with reduced safe burn times of just 15 minutes. This upward trend peaks in April through June, where the UV Index reaches its maximum of 12 to 13, classified as extreme, and necessitates protective measures within just 10 minutes of sun exposure.
As summer transitions to fall, the UV Index slightly decreases but remains elevated. In July, the index returns to 12, maintaining the extreme category, before gradually dropping to 9 in October, indicating very high exposure levels, allowing for 15 minutes of safe sun exposure. The year concludes with November's UV Index dropping back to 6 and December at 5, classified as moderate and high, respectively, providing longer safe exposure times of 25 and 30 minutes. This seasonal UV Index pattern underscores the importance of sun safety measures during the peak months and highlights the need for awareness regarding skin protection year-round in Baja California's vibrant climate.
UV Risk Categories
Daylight duration in Baja California, Mexico, demonstrates a clear seasonal rhythm, with significant variation throughout the year. In January, the region enjoys 10 hours of daylight, gradually increasing to 11 hours by February. The onset of spring heralds longer days, peaking with 12 hours in both March and April. As the year progresses into the summer months, daylight reaches its maximum length at 14 hours in June, providing ample sunshine for outdoor activities and enhancing the region's vibrant ecosystem.
Following the height of summer, daylight hours begin to taper off as autumn approaches. From July through September, the daylight duration remains stable at around 13 hours, before reducing to 12 hours in October. The transition into late fall and winter sees daylight dwindling again, with November and December both offering just 10 hours of daylight. This cyclical pattern reflects not only the changing seasons but also the impact of geographic location on sunlight availability, influencing daily life and natural processes in Baja California.
Bahia de los Angeles, Mexico features a warm desert climate with mild winters and hot summers. January temperatures range from 10°C to 26°C, while July sees highs up to 36°C. The area enjoys abundant sunshine, particularly from May to August, averaging around 368 hours per month. Precipitation is minimal throughout the year, with September being the wettest month at 22 mm. For more detailed information, visit Bahia de los Angeles climate.
Durango, Mexico experiences a warm climate with significant temperature variations throughout the year. January temperatures range from 1°C to 30°C, while summer months like June to September can peak between 48°C and 49°C. Precipitation is minimal, particularly from June to May, with most rainfall occurring during the summer months; average annual rainfall is low, around 2 mm in early summer. The region enjoys plentiful sunshine, especially in May and June, boasting up to 377 hours. For more detailed information on Durango's climate, visit Durango climate.
El Morro, Mexico, enjoys a mild climate characterized by moderate temperatures throughout the year. Monthly average temperatures range from 16°C (61°F) in the cooler months to 21°C (70°F) in the summer, with maximums peaking at 26°C (78°F) in August and October. Precipitation is relatively low, particularly in the summer, with January receiving the most rainfall at 12 mm (0.5 in). Sunshine is abundant, especially in July, which boasts 365 hours of sunlight. For more detailed information, visit El Morro climate.
The climate in Emiliano Zapata, Mexico, presents mild temperatures throughout the year, with average highs ranging from 14°C (57°F) in January to 30°C (87°F) in October. The region experiences minimal rainfall, peaking in January and February with around 36-39 mm (1.4-1.5 in) and significantly decreasing during the summer months. Sunshine is abundant, with July boasting the most sun hours at 372. As a result, the environment is generally warm and dry, ideal for outdoor activities. For more details, visit Emiliano Zapata climate.
Ensenada, Mexico, experiences a Mediterranean climate characterized by mild winters and warm summers. January temperatures range from a chilly 2°C (35°F) to a pleasant 30°C (87°F), while summer highs in July can reach up to 35°C (96°F). The region receives most of its rainfall during the winter months, with January averaging 58 mm (2.3 in) and significantly less precipitation in the summer. Sunshine is abundant, especially from May to July, with over 360 hours of sun per month. For more details, visit Ensenada climate.
Guanajuato, Mexico, experiences a diverse climate characterized by warm temperatures and varying sunshine throughout the year. January marks the coolest month with temperatures ranging from 1°C to 30°C, while July and August see highs reaching up to 48°C. Precipitation is minimal, particularly in June, averaging only 1 mm, with the wettest months being July and September at 14 mm and 13 mm, respectively. The region enjoys abundant sunshine, especially from April to June, with over 300 hours of sun per month. For more detailed information, visit Guanajuato climate.
Guerrero Negro, Mexico, experiences a warm desert climate characterized by mild winters and hot summers. Temperatures range from a minimum of 5°C (41°F) in February to a maximum of 38°C (101°F) in both August and October. The area receives minimal precipitation, with the majority occurring from January to March, while the summer months are virtually rain-free. Sunshine is abundant throughout the year, peaking at 368 hours in July. For more details, visit Guerrero Negro climate.
Hacienda del Mar, Mexico, experiences a mild to warm climate throughout the year, with temperatures ranging from a minimum of 6°C (43°F) in February to a maximum of 32°C (90°F) in October. The region sees a significant amount of sunshine, peaking at 375 hours in July. Precipitation is highest in the early months, particularly in January and February, while summer months stay relatively dry. Visitors can enjoy pleasant weather and ample sunshine, making it an attractive destination year-round. For more details, visit Hacienda del Mar climate.
Hermosillo, Mexico, experiences a warm desert climate with high temperatures peaking in the summer months, often reaching up to 49°C (120°F) in June and July. Winters are mild, with average temperatures around 15°C (59°F) in January. Precipitation is scarce, particularly in June, which sees virtually no rain, while the wettest month is March with 17 mm (0.7 in). The city enjoys abundant sunshine, particularly from May to July, offering over 370 hours of sun each month. For more details, visit Hermosillo climate.
The climate in Heroes de la Independencia, Mexico, is characterized by a range of temperatures throughout the year, with January averaging 11°C (52°F) and peaking at 41°C (105°F) in July. Precipitation is relatively low, particularly in June with only 1 mm, while the wetter months like January and February receive around 44 mm. Notably, sunshine hours are abundant, reaching a maximum of 375 hours in both June and July. This combination of warmth, limited rainfall, and ample sunlight makes for a unique climate, perfect for outdoor activities. For more detailed information, visit Heroes de la Independencia climate.
Isla Cozumel, Mexico, enjoys a warm tropical climate, with temperatures varying from a chilly 6°C (43°F) in February to a sizzling 32°C (90°F) in October. The region experiences its highest rainfall in February (75 mm), while June to August sees very little precipitation, averaging just 5 mm monthly. Notably, sunshine is abundant, with peak hours in June and July, reaching up to 375 hours. Visitors can expect pleasant weather, especially from April to October, making it a perfect destination year-round. For more details, visit Isla Cozumel climate.
Lazaro Cardenas, Mexico, enjoys a tropical climate characterized by mild winters and warm summers. Average temperatures range from a low of 7°C (45°F) in February to a high of 30°C (87°F) in September, with notable warmth from July to September. Precipitation is relatively low, peaking in January and December, while the dry months experience minimal rainfall. The area also boasts ample sunshine, especially in the summer months, with July seeing up to 373 hours of sun. For more details, visit Lazaro Cardenas climate.
Lomas de Tlatelolco experiences a varied climate with temperatures ranging from a cold minimum of -1°C in February to a hot maximum of 40°C in July. The region enjoys significant sunshine, peaking at 377 hours in July, while precipitation is highest in February (85 mm) and decreased during the summer months. Notably, the dry season extends from June to September with minimal rainfall, contributing to warmer conditions. Overall, Lomas de Tlatelolco's climate is characterized by warm summers and mild winters. For more detailed information, visit Lomas de Tlatelolco climate.
Los Algodones, Mexico, experiences a hot desert climate with significant temperature variations throughout the year. January offers cooler temperatures, averaging 15°C (59°F), while summer peaks in June and July with averages of 33°C (91°F) and 36°C (97°F) respectively. Rainfall is minimal, with June recording no precipitation, and the sun shines abundantly, particularly in May with 373 hours. For more detailed information, check Los Algodones climate.
Merida, Mexico experiences a tropical climate characterized by hot temperatures and varying precipitation throughout the year. From January to April, average temperatures gradually rise from 15°C (59°F) to 25°C (77°F), with maximums reaching up to 42°C (108°F) in April. The summer months of June to September bring peak temperatures around 36°C (97°F) and occasional rain, particularly in September. With its highest sunshine hours around May and June, life in Merida tends to thrive under abundant sunlight. For more details, visit Merida climate.
Poblado Janitzio, Mexico experiences a diverse climate throughout the year, with temperatures ranging from a low of 2°C (36°F) in January to a high of 48°C (119°F) in June and July. The warmest months are typically May to August, while temperatures cool down significantly in the winter months, particularly in December and January. Precipitation is generally low, with June being the driest month, while September sees the highest rainfall at 20 mm (0.8 in). Sunlight is abundant, reaching up to 376 hours in June, making it a bright destination year-round. For more details, visit the Poblado Janitzio climate.
Progreso, Mexico experiences a tropical climate characterized by warm temperatures throughout the year. Monthly averages range from 15°C (60°F) in January to a peak of 36°C (97°F) in July and August, with extreme highs reaching up to 48°C (119°F) in June and July. Precipitation is minimal, particularly during the summer months, with June receiving no rainfall at all. The region enjoys abundant sunshine, peaking at 377 hours in both June and July, making it ideal for outdoor activities. For more information, visit Progreso climate.
Puebla, Mexico, experiences a varied climate characterized by a significant temperature range throughout the year. January sees temperatures ranging from a cool 1°C (35°F) to a warm 30°C (86°F), while the peak months of June and July reach highs of up to 49°C (121°F). Precipitation is generally low, with only a few millimeters in the summer, but July is the wettest month, receiving around 14 mm (0.5 in). The city enjoys ample sunshine, particularly in May and June, with over 370 hours of sun each month. For more detailed information, visit Puebla climate.
Rosarito, Mexico, enjoys a mild Mediterranean climate characterized by warm summers and cooler winters. Temperatures range from an average low of 7°C (45°F) in February to a high of 30°C (86°F) in October, with the warmest months being July and August. Precipitation is relatively low, peaking in January and February, while the summer months typically see minimal rainfall. Sunshine is abundant, with hours peaking at 375 in July, making it ideal for outdoor activities year-round. For more detailed information, visit Rosarito climate.
San Felipe, Mexico, experiences a warm, arid climate characterized by hot summers and mild winters. Average temperatures range from 16°C (62°F) in January to 33°C (91°F) in August, with maximums peaking at 40°C (105°F) in September. Rainfall is minimal, with June and August seeing no precipitation, while October is the wettest month with 24 mm (1.0 in). Sunshine is abundant throughout the year, especially in May and June, which receive over 374 hours of sunlight. For more detailed information, visit San Felipe climate.
San Luis Potosí features a climate with warm to hot temperatures throughout the year, peaking in the summer months of June, July, and August where average highs reach around 36-37°C (97-98°F). The winter months are milder, with average temperatures ranging from 14°C (58°F) in December to 20°C (68°F) in November. Precipitation is minimal, with the majority occurring during the summer months, particularly in July, while rainfall is scarce from June through April. The city enjoys abundant sunshine, especially in May and June, exceeding 370 hours of sunlight per month. For more details, visit San Luis Potosi climate.
Santa Fe, Mexico, experiences a temperate climate with mild to warm temperatures throughout the year. January temperatures range from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), while July sees highs reaching 27°C (81°F). The region receives most of its rainfall from January to March, peaking at about 39 mm (1.5 in) in March, and remaining relatively dry from June to August. Sunshine is abundant, particularly in June and July, boasting over 370 hours of sun each month. For more detailed information, visit Santa Fe climate.
Tecate, Mexico, experiences a diverse climate with warm summers and mild winters. Average temperatures range from 11°C (52°F) in January to a peak of 25°C (76°F) in July, with maximum temperatures reaching up to 43°C (110°F) in September. Precipitation is highest in the winter months, particularly in February with 68 mm (2.7 in), while summer months see minimal rainfall. The region enjoys abundant sunshine, especially from April to July, with over 300 hours of sunshine each month. For more details, refer to Tecate climate.
Tijuana, Mexico, experiences a Mediterranean climate characterized by mild, wet winters and warm, dry summers. January temperatures range from 7°C (45°F) to 23°C (75°F), while July sees warmer averages between 16°C (60°F) and 28°C (83°F). Rainfall is more common in winter months, peaking in February with 75 mm (3.0 in), and drying significantly by summer. The city enjoys abundant sunshine, especially in summer, with July boasting up to 375 hours. For more detailed information, visit Tijuana climate.
Uruapan, Mexico experiences a pleasant climate characterized by mild temperatures and significant sunshine throughout the year. Average temperatures range from a cool 14°C (57°F) in winter months to a warmer 21°C (69°F) during the summer, while maximums peak at around 34°C (94°F) in September. Precipitation is relatively low, particularly from June to August, with January and February seeing the highest rainfall at 48 mm (1.9 in). The area enjoys abundant sunshine, particularly in the summer, with July recording the most hours at 374. For more detailed information, visit Uruapan climate.
In conclusion, Baja California, Mexico, offers a fascinating interplay of climate, sunlight, and UV exposure throughout the year. With distinct seasonal variations in temperature, precipitation, sunshine duration, and UV Index, the region showcases a dynamic environment that significantly influences both its natural ecosystems and the lifestyle of its inhabitants. From the warm, sun-drenched summers characterized by extreme UV levels and maximum daylight to the cooler, shorter days of winter, understanding these climatic patterns is essential for residents and visitors alike. By adopting appropriate sun safety measures and appreciating the unique seasonal changes, one can fully enjoy the beauty and diversity that Baja California has to offer.