The most comfortable time to visit Oaxaca is from mid June to mid March. For sun, aim for mid March to early June.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from mid March to early June, with a second spell from mid July to August. It peaks in late April, at 73. Avoid early and mid January for this: it falls to 25, mostly because it is too cool. The clearest skies come in February, when the sky is typically 32% covered at midday (mostly clear).
The being outside season here runs from mid June to mid March. It peaks in mid January, at 80. The weakest stretch is in May, when it drops to 34, mostly because it is too hot.
Oaxaca never quite rates Good for walking. It comes closest in early January, at 54, mostly because it is too warm. Avoid late April to early June for this: it falls to 6, mostly because it is too warm.
The year, measured
The average temperature in Oaxaca over the whole year is 21°C. May is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 12°C. The rainy (wet) season in Oaxaca runs from April to October, peaking in September with a 66% chance of rain on a given day. The dry season is November to March; February is the driest month, at 19%. Winds in Oaxaca are highest in April, averaging 2.3 m/s (8 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Oaxaca come in February, when the sky is typically 31% covered; June is the cloudiest month, at 77%.
Month by month Oaxaca climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 24°C | 12°C | 23°C | 22% | 40% | 2.1 m/s | 79 | 27 | 53 |
| February | 26°C | 13°C | 24°C | 19% | 31% | 2.2 m/s | 75 | 43 | 39 |
| March | 28°C | 15°C | 26°C | 39% | 36% | 2.2 m/s | 62 | 58 | 23 |
| April | 29°C | 17°C | 28°C | 46% | 45% | 2.3 m/s | 47 | 68 | 12 |
| May | 29°C | 18°C | 29°C | 53% | 64% | 2.2 m/s | 36 | 69 | 7 |
| June | 27°C | 18°C | 27°C | 62% | 77% | 1.9 m/s | 54 | 57 | 15 |
| July | 27°C | 17°C | 27°C | 58% | 69% | 1.8 m/s | 60 | 56 | 15 |
| August | 27°C | 17°C | 27°C | 62% | 73% | 1.7 m/s | 56 | 57 | 14 |
| September | 26°C | 17°C | 27°C | 66% | 76% | 1.6 m/s | 60 | 54 | 17 |
| October | 26°C | 16°C | 26°C | 57% | 67% | 1.9 m/s | 65 | 49 | 25 |
| November | 26°C | 13°C | 25°C | 40% | 42% | 1.8 m/s | 71 | 43 | 35 |
| December | 25°C | 12°C | 24°C | 37% | 38% | 1.9 m/s | 76 | 34 | 45 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Oaxaca weather by season
Year round, Oaxaca has days of about 24°C at their warmest in January, its coolest month, and 29°C in May, its warmest; the coolest hours of the day run from 12°C to 18°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around September and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Oaxaca weather in winterDecember to February
Winter in Oaxaca has typical daily highs of about 25°C and lows of about 12°C, with a 26% chance of rain on a given day.
Oaxaca weather in springMarch to May
Spring in Oaxaca has typical daily highs of about 29°C and lows of about 17°C, with a 46% chance of rain on a given day.
Oaxaca weather in summerJune to August
Summer in Oaxaca has typical daily highs of about 27°C and lows of about 18°C, with a 61% chance of rain on a given day.
Oaxaca weather in autumnSeptember to November
Autumn in Oaxaca has typical daily highs of about 26°C and lows of about 16°C, with a 54% chance of rain on a given day.
When is the rainy season in Oaxaca?
The rainy (wet) season in Oaxaca runs from April to October, peaking in September with a 66% chance of rain on a given day. The dry season is November to March; February is the driest month, at 19%.
What time of year is Oaxaca windiest?
Winds in Oaxaca are highest in April, averaging 2.3 m/s (8 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Oaxaca year round?
The average temperature in Oaxaca over the whole year is 21°C. May is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 12°C.
Where to go instead in mid May, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.