Oaxaca, Mexico Weather
Oaxaca hourly forecast: next 24 hours
Today's high of 78°F (26°C) is right in line with the typical September high of 76°F (25°C).
Current conditions in detail
Oaxaca weather tomorrow (Wednesday, September 16)
Tomorrow in Oaxaca looks overcast, with a high of 80° and an overnight low of 53°. Precipitation chance is modest at 16%. Winds top out near 13 mph, and the UV index reaches 12 (extreme).
Oaxaca 14-day forecast
About the weather in Oaxaca
Temperature barely moves in Oaxaca - 5°C between the average May and the average January. Rainfall does the work instead: 6.8 inches (174 mm) in September against 2 mm (0.1 in) in February.
Oaxaca weather: quick facts
- Hottest month: May - highs near 86°F (30°C)
- Coldest month: January - highs near 78°F (26°C)
- Decade extremes (2015-2024): 101°F (38°C) high · 40°F (4°C) low
- Wettest month: September (20 rainy days) · Sunniest: April (11.9 h sun/day)
- Climate type: subtropical highland
- Annual swing: 5°C between the average warmest and coolest month · day to night: 13°C
- Months averaging 30°C or hotter: 2
- Average humidity: 64%
Temperatures through the year
Days and nights are about 13°C apart on average - wider than 96% of the 3496 cities in our dataset. January sits at the other end of the year: 78°F (26°C) by day, 51°F (11°C) at night. At its warmest, in May, Oaxaca runs to 86°F (30°C) in the afternoon and back to 61°F (16°C) by dawn. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 101°F (38°C) and the lowest daily minimum 40°F (4°C). 6 months average under 20 mm of rain, the longest unbroken stretch running November through April.
Rain, sun and snow
Between the average May and the average January lie 5°C, a narrower spread than about 86% of the cities we track. Relative humidity averages 64% across the year, drier than about 80% of the cities we track.
Season by season
Spring (March through May)
Through spring, Oaxaca brings hot afternoons: 86°F (30°C) by day, 59°F (15°C) after dark, and rain comes on about 16 days over the three months. Daylight is generous - around 11.6 hours of sun a day.
Summer (June through August)
Summer in Oaxaca is mild and warm, with daytime highs averaging 78°F (26°C) and nights around 59°F (15°C); rain falls on around 58 of the 90 days. Daylight is generous - around 10.8 hours of sun a day.
Fall (September through November)
Through fall, Oaxaca is pleasantly warm: 77°F (25°C) by day, 57°F (14°C) after dark, and rain falls on around 34 of the 90 days. Daylight is generous - around 10.2 hours of sun a day.
Winter (December through February)
Through winter, Oaxaca settles into easy warmth: 79°F (26°C) by day, 52°F (11°C) after dark, and precipitation is sparse, near 7 mm (0.3 in) for the season. Daylight is generous - around 10.8 hours of sun a day.
Average temperatures in Oaxaca by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 78° | 51° | 0 | 0.1 in | 10.7 h/day | 56% |
| February | 82° | 52° | 0 | 0.1 in | 11.1 h/day | 52% |
| March | 85° | 56° | 2 | 0.7 in | 11.3 h/day | 52% |
| April | 87° | 59° | 5 | 0.7 in | 11.9 h/day | 51% |
| May | 86° | 61° | 9 | 2.3 in | 11.6 h/day | 58% |
| June | 79° | 60° | 20 | 6.6 in | 10.4 h/day | 73% |
| July | 78° | 58° | 18 | 4.5 in | 11.4 h/day | 74% |
| August | 78° | 58° | 20 | 5.7 in | 10.7 h/day | 75% |
| September | 76° | 59° | 20 | 6.8 in | 9.7 h/day | 78% |
| October | 77° | 57° | 11 | 3.7 in | 10.2 h/day | 73% |
| November | 78° | 54° | 2 | 0.3 in | 10.7 h/day | 64% |
| December | 78° | 52° | 0 | 0.1 in | 10.7 h/day | 58% |