Oaxaca Temperatures & Rainfall: Averages by Month

Here you'll find information on the typical weather for each month in Oaxaca, Mexico.

There are averages for maximum and minimum temperatures in degrees Celsius and Fahrenheit. These are followed by details about extremes – how hot and cold the beach resort can actually get during each month.

For rainfall in Oaxaca there are monthly totals of the number of days with wet weather and for the amount of rain the ^^ receives. Besides these averages, there are also data on how much a month's precipitation can vary from year to year.

The averages for temperature and rainfall are from weather data collected during 1981 to 2010. The usual ranges for hottest and coldest temperatures and total precipitation are based on the extremes recorded from 1979 to 2007.

Monthly Temperature Averages

The temperature remains fairly steady year-round at Oaxaca, with winters averaging daily highs of 81 degrees Fahrenheit (27 °C) and lows of 51 °F (11 °C). Summers are just a few degrees hotter, with days typically heating up to 83 °F (28 °C) and nights cooling off to 59 °F (15 °C).

Oaxaca daily average temperatures

High °F	Low °F		High °C	Low °C
80	49	January	27	9
84	54	February	29	12
87	55	March	31	13
89	58	April	32	15
88	59	May	31	15
84	60	June	29	16
83	59	July	28	15
82	59	August	28	15
82	59	September	28	15
82	58	October	28	15
82	53	November	28	12
80	51	December	27	11
84	56	Year	29	14

How Hot Can Oaxaca Get?

The temperature usually reaches at least 80.6 °F (27 °C) every month at Oaxaca. But the ^^ normally gets no hotter than 102.2 °F (39 °C).

This table gives the range for each month of the highest officially recorded temperatures from 1979 to 2007. For example, some Januarys only get as hot as 82 °F, while in other years the month's temperature has climbed as high as 91 °F. Usually the hottest day for any January falls in between those two extremes.

Range for the highest monthly temperature at Oaxaca

Range °F		Range °C
82 - 91	January	28 - 33
84 - 100	February	29 - 38
90 - 102	March	32 - 39
84 - 102	April	29 - 39
90 - 102	May	32 - 39
81 - 100	June	27 - 38
82 - 102	July	28 - 39
81 - 102	August	27 - 39
81 - 100	September	27 - 38
86 - 95	October	30 - 35
84 - 90	November	29 - 32
84 - 90	December	29 - 32

How Cold Does it Get in Oaxaca?

Every month, the temperature at Oaxaca usually drops to 66.2 °F (19 °C) or lower. Generally the ^^ gets no colder than 32 °F (0 °C).

Typical range of lowest monthly temperatures at Oaxaca

Range °F		Range °C
32 - 55	January	0 - 13
37 - 66	February	3 - 19
37 - 59	March	3 - 15
48 - 59	April	9 - 15
48 - 59	May	9 - 15
48 - 59	June	9 - 15
45 - 59	July	7 - 15
50 - 59	August	10 - 15
50 - 57	September	10 - 14
45 - 57	October	7 - 14
41 - 50	November	5 - 10
36 - 57	December	2 - 14

Total Rainfall Averages per Month

Winters bring dry weather to Oaxaca, with averages of just one day and one-fifth of an inch (5 millimetres) of rain a month.

During summer, the monthly rainfall averages out to 12 days totalling five inches (122 mm) a month. Usually June is Oaxaca's rainiest time of year.

The number of rainy days includes those when rainfall amounted to 0.004 inches (0.1 mm) or more.

Average amount of rain at Oaxaca

Days		Inches	Milli­metres
0	January	0.1	3
1	February	0.2	5
2	March	0.5	13
3	April	1.4	36
8	May	3.2	81
14	June	6.1	154
10	July	3.8	97
11	August	4.6	116
12	September	4.8	123
6	October	2.0	52
1	November	0.3	7
1	December	0.3	8
67	Year	27.3	694

How Rainy is Oaxaca?

How much it rains each month at Oaxaca varies from year to year. To show what's possible, here's the range of total rainfall that's been measured – the driest and wettest per month.

From September to April, Oaxaca can go through an entire month without any a drop of precipitation. Even so, September can get as much as 13.2 inches (336 mm) of rain.

Typical range of total rainfall

Inches		Milli­metres
0 - 2	January	0 - 51
0 - 1.1	February	0 - 29
0 - 1.8	March	0 - 46
0 - 3.8	April	0 - 97
0.3 - 10.6	May	8 - 269
2.6 - 11.5	June	66 - 291
0.8 - 9	July	20 - 228
0.2 - 11.3	August	6 - 287
0 - 13.2	September	0 - 336
0 - 7.9	October	0 - 200
0 - 2.4	November	0 - 62
0 - 3	December	0 - 77
0.9 - 43.3	Year	22 - 1101