- Temperature
- 11–32°C
Updated July 2026 · Sources cited: climatestotravel.com, en.climate-data.org
Good to know
Good to Know
- Best window to visit is November–February: dry, comfortable, low rainfall, minimal crowds
- March–May works too if you want warmer days; peak heat reaches 33–34°C (93°F) but rainfall still manageable
- Rainy season (May–September) brings afternoon thunderstorms but lush scenery and fewer tourists; mornings usually sunny
- Despite tropical location, Oaxaca's high elevation (1,550 m) keeps it pleasantly mild year-round—rarely extreme heat or cold
- Driest months are January, February, December; wettest is September with 193 mm of rain
- No snow in the city center; occasional snow only in higher mountain regions of the state above 3,000 m
Best Months
November
- Reason
- Start of dry season; pleasant temperatures; low rainfall
December
- Reason
- Dry season; comfortable temperatures; minimal precipitation
January
- Reason
- Coolest month of dry season; very low rainfall
February
- Reason
- Dry season continues; low humidity; minimal rain
Worst Months
June
- Reason
- Start of rainy season; heavy rainfall begins
July
- Reason
- Peak heat and rainfall; afternoon thunderstorms common
August
- Reason
- Continued heavy rainfall; high humidity; frequent storms
September
- Reason
- Wettest month; peak rainfall and humidity
Seasons
Dry Season
- Months
- October to April
- Characteristics
- Pleasant weather, minimal rainfall, comfortable temperatures
Rainy Season
- Months
- May to September
- Characteristics
- Frequent afternoon thunderstorms, high humidity, lush vegetation
Rainfall
- Annual Range Mm
- 800–1,000 mm
- Annual Range Inches
- 31–39 inches
- Heavy Rainfall Period
- June–September averages 100–200 mm (4–8 inches) monthly
Driest Months
- Months
- January, February, December
- Rainfall Mm
- 5
- Rainfall Inches
- 0.2
Wettest Month
- Month
- September
- Rainfall Mm
- 193
- Rainfall Inches
- 7.6
Snowfall
- City Center
- Extremely rare; city elevation 1,550 m (5,000 ft) prevents snow
- Higher Elevations
- Occasional snow in Sierra Norte and Sierra Sur above 3,000 m (9,843 ft) during winter months
Peak Temperatures
Coldest
- Month
- January
- Low Celsius
- 11
- High Celsius
- 28
- Low Fahrenheit
- 51
- High Fahrenheit
- 82
Hottest
- Months
- July–August
- Low Celsius
- 13
- High Celsius
- 32
- Low Fahrenheit
- 55
- High Fahrenheit
- 90
Peak Heat Window
- Months
- March–May
- Description
- Temperatures reach 33–34°C (91–93°F); driest conditions
Other Characteristics
- Wind
- Generally light; average 7.8 kph
- Humidity Range
- Low in dry season (49%–68%), peaks at 86% in September
- Sunshine Hours Annual
- 2,500–2,800 hours annually
- Climate Classification
- Temperate highland tropical (Cwb Köppen)
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Oaxaca
Data last updated July 2026 · Verify anything important.