Oaxaca, Oaxaca Weather by Month and Climate Averages

How much rain does Oaxaca get?

Oaxaca gets 436 mm of precipitation in an average year, spread over about 52 days with measurable rain. That is fewer rainy days than 62% of Mexico.

June is the wettest month, with 89 mm. January is the driest, with 1 mm. June has the most rainy days, about 9.

The longest dry spell in the last five years lasted 48 days, to February 15, 2024.

Oaxaca weather by month

Oaxaca weather in January

In January, Oaxaca averages a high of 29°C and a low of 8°C. It gets 1 mm of precipitation over about 0 rainy days. The sun is out about 63% of daylight hours. The January record high is 36°C (2024) and the record low is 0°C (1996).

Oaxaca weather in February

In February, Oaxaca averages a high of 31°C and a low of 9°C. It gets 2 mm of precipitation over about 0 rainy days. The sun is out about 79% of daylight hours. The February record high is 37°C (1995) and the record low is 0°C (1996).

Oaxaca weather in March

In March, Oaxaca averages a high of 32°C and a low of 11°C. It gets 9 mm of precipitation over about 2 rainy days. The sun is out about 76% of daylight hours. The March record high is 37°C (2024) and the record low is 0°C (1995).

Oaxaca weather in April

In April, Oaxaca averages a high of 34°C and a low of 13°C. It gets 29 mm of precipitation over about 4 rainy days. The sun is out about 64% of daylight hours. The April record high is 39°C (1994) and the record low is 7°C (1993).

Oaxaca weather in May

In May, Oaxaca averages a high of 33°C and a low of 15°C. It gets 51 mm of precipitation over about 6 rainy days. The sun is out about 47% of daylight hours. The May record high is 39°C (2016) and the record low is 7°C (1983).

Oaxaca weather in June

In June, Oaxaca averages a high of 31°C and a low of 15°C. It gets 89 mm of precipitation over about 9 rainy days. The sun is out about 24% of daylight hours. The June record high is 39°C (2026) and the record low is 8°C (2006).

Oaxaca weather in July

In July, Oaxaca averages a high of 29°C and a low of 14°C. It gets 70 mm of precipitation over about 9 rainy days. The sun is out about 23% of daylight hours. The July record high is 37°C (2026) and the record low is 8°C (1982).

Oaxaca weather in August

In August, Oaxaca averages a high of 30°C and a low of 14°C. It gets 66 mm of precipitation over about 8 rainy days. The sun is out about 20% of daylight hours. The August record high is 39°C (2026) and the record low is 6°C (1982).

Oaxaca weather in September

In September, Oaxaca averages a high of 29°C and a low of 14°C. It gets 80 mm of precipitation over about 9 rainy days. The sun is out about 18% of daylight hours. The September record high is 33°C (1990) and the record low is 8°C (1986).

Oaxaca weather in October

In October, Oaxaca averages a high of 29°C and a low of 13°C. It gets 33 mm of precipitation over about 4 rainy days. The sun is out about 30% of daylight hours. The October record high is 34°C (2004) and the record low is 4°C (2011).

Oaxaca weather in November

In November, Oaxaca averages a high of 29°C and a low of 10°C. It gets 7 mm of precipitation over about 1 rainy days. The sun is out about 55% of daylight hours. The November record high is 35°C (2009) and the record low is 0°C (1994).

Oaxaca weather in December

In December, Oaxaca averages a high of 29°C and a low of 8°C. It gets 1 mm of precipitation over about 0 rainy days. The sun is out about 62% of daylight hours. The December record high is 33°C (2009) and the record low is -1°C (1992).

Sunshine, humidity and wind in Oaxaca

February is the sunniest month in Oaxaca, with sunshine about 79% of daylight hours. September is the cloudiest, at 18%. Over the year the sun shines about 47% of daylight hours. Oaxaca is cloudier than 71% of Mexico.

Humidity peaks in September at 75% and is lowest in March at 50%.

Oaxaca has about 43 days a year above 32°C. Oaxaca is cooler than 70% of Mexico.

Oaxaca weather records

The hottest temperature on record at the Oaxaca station is 39°C, on June 28, 2026. The coldest is -1°C, on December 24, 1989.

The wettest day on record brought 178 mm of rain, on January 26, 1974.

12 all-time records have been set at the station since 1973.

The best time to visit Oaxaca

Winter (December–February) is hot, with average highs around 29°C and lows near 9°C.

Spring (March–May) is hot, with average highs around 33°C and lows near 13°C.

Summer (June–August) is hot, with average highs around 30°C and lows near 14°C. It can feel humid.

Autumn (September–November) is hot, with average highs around 29°C and lows near 12°C.

Oaxaca climate questions

How much rain does Oaxaca get?

Oaxaca gets 436 mm of precipitation in an average year, over about 52 rainy days.

What is the wettest month in Oaxaca?

June is the wettest month in Oaxaca, with 89 mm. January is the driest, with 1 mm.

How many rainy days does Oaxaca have a year?

Oaxaca has about 52 days with measurable rain in an average year. June has the most, about 9.

What is the hottest month in Oaxaca?

April is the warmest month in Oaxaca, with an average high of 34°C.

What is the coldest month in Oaxaca?

January is the coldest month in Oaxaca, with an average low of 8°C.

What is the record high temperature in Oaxaca?

The record high at the Oaxaca station is 39°C, set on June 28, 2026. The record low is -1°C, on December 24, 1989.

What is the sunniest month in Oaxaca?

February is the sunniest month in Oaxaca, with sunshine about 79% of daylight hours. September is the cloudiest.