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San Mateo Atenco, State of Mexico climate

Cwb Subtropical highland (dry winter)

San Mateo Atenco has a mildly seasonal mild-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is June with an average daily high near 73°F, while the coldest is January averaging around 31°F at night. Precipitation totals about 33 inches a year and is strongly seasonal — July alone averages 6.6 inches while December barely receives 0.38 inches.

☀️ Summers

Mild

Highs near 73°F in June.

❄️ Winters

Cold

Lows near 31°F in January.

🌧️ Rain

Moderate rainfall

About 33 in of rain a year.

Wettest in July

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

San Mateo Atenco climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	69	72	75	77	76	73	71	71	71	72	71	70
Avg temp (°F)	50	53	56	59	60	60	59	59	59	57	54	51
Avg low (°F)	31	34	37	41	44	48	47	47	48	43	37	33
Precipitation (in)	0.4	0.5	0.7	1.2	2.8	5.7	6.6	6.4	5.5	2.1	0.8	0.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	69	72	75	77	76	73
Avg temp (°F)	50	53	56	59	60	60
Avg low (°F)	31	34	37	41	44	48
Precipitation (in)	0.4	0.5	0.7	1.2	2.8	5.7

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	71	71	71	72	71	70
Avg temp (°F)	59	59	59	57	54	51
Avg low (°F)	47	47	48	43	37	33
Precipitation (in)	6.6	6.4	5.5	2.1	0.8	0.4

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	39	35	36	46	55	71	75	74	76	59	42	37
Relative humidity (%)	61	55	50	48	55	69	76	79	82	78	72	65
Wind speed (mph)	2.4	2.6	2.8	2.8	2.6	2.6	2.2	2.3	2.4	2.4	2.2	2.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	39	35	36	46	55	71
Relative humidity (%)	61	55	50	48	55	69
Wind speed (mph)	2.4	2.6	2.8	2.8	2.6	2.6

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	75	74	76	59	42	37
Relative humidity (%)	76	79	82	78	72	65
Wind speed (mph)	2.2	2.3	2.4	2.4	2.2	2.2

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Calixtlahuaca, about 18 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →