Climate and monthly weather forecast
Mexico City, Mexico

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A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico
A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico

The climate of Mexico City

Within the borders of Mexico City, a temperate highland tropical climate presides, characterized by dry winters. The annual climatic conditions follow the Köppen climate classification of Cwb. Nestled in the highlands, the city is a study in meteorological contrasts.

Year-round, the city sustains a comfortable range of temperatures, reaching a peak of 25.4°C (77.7°F) and plummeting to a low of 6.8°C (44.2°F). Relative humidity toggles from a cosy 41% to a more palpable 77% throughout the year. Rainfall takes a vigorous turn between May to September, with the wettest month receiving a precipitous 181mm (7.13") of rain, compared to drier months that see merely 4mm (0.16").

Uniquely, Mexico City registers fluctuating sunshine hours, from a heartening high of 13.3 hours to a more subdued 11 hours. The percentage of sunlight-filled days significantly swings from 24.2 to 0.3 days a year. Albeit common amongst regions with Cwb climate, this fluctuation in sunlit days paints a distinctive pattern in the city's climatic calendar.

The best time to visit Mexico City

Climatic variables indicate that the period from November to April offers an ideal window to experience Mexico City. During these months, temperatures fluctuate modestly, from a high of 22°C (71.6°F) down to a low of 7.3°C (45.1°F). The relative humidity ranges from 54 to 66%, allowing visitors to navigate the cityscape in relative comfort.

Sunshine hours persist around 11 to 11.7 hours during this window, immersing the city in vibrant light. Visitors can expect to enjoy between 16.6 and 25.1 days filled with sun. Rainfall is least disruptive during this period, descending from a meager 20mm (0.79") to an almost negligible 4mm (0.16").

The worst time to visit Mexico City

Summertime, from May to October, sees the city grappling with higher levels of rainfall, from 57mm (2.24") in May escalating to a peak of 181mm (7.13") by July. This deluge coupled with relative humidity soaring between 66 to 77% creates unfavorable conditions for travel.

Though sunshine hours remain similar to the rest of the year, the total number of sunny days drastically decreases. A sharp decline is observed from May onwards, hitting rock bottom in July with a mere 0.3 days of sunshine. Visiting Mexico City during these months could potentially dampen travel plans.

Spring weather in Mexico City

Spring season begins in March, bringing with it a gradual elevation in temperature and sporadic showers. Expect temperatures to rise from 19.2°C (66.6°F) to 25.4°C (77.7°F) from March to May. Rainfall shows a discernible increase, tracking upwards from 13mm (0.51") in March to a substantial 57mm (2.24") in May.

Relative humidity dips briefly to 41% in April before climbing back to 49% in May. Spring in Mexico City is illuminated by 12 to 13.1 hours of daylight and 9.7 to 10.5 hours of sunshine.

Summer weather in Mexico City

Summers usher in the wettest period of the year with rainfall amounts peaking in July at 181mm (7.13"). Temperature levels maintain a steady range, hovering between 21.7°C (71.1°F) and 25.4°C (77.7°F). In terms of sunshine, up to 13.3 hours light up summer days, offering 0.3 to 10.6 days of sunlit hours.

However, the humidity elevates from 49 to 74% and rainfall days increase from 14.9 to 28.8. Summer in Mexico City therefore can get moist and increasingly cloudy, marking the toughest time of year for outdoor activities.

Autumn weather in Mexico City

Autumn calls for a mild weather pattern with temperatures oscillating between 22°C (71.6°F) and 20.8°C (69.4°F). While rainfall sees a decline from 169mm (6.65") in August to 72mm (2.83") in October, the city continues to remain comparatively wet with 16.8 to 28.5 days of rainfall.

Autumn days present 12.2 to 12.8 hours of daylight and 9.1 to 9.2 hours of sunshine. This season provides a momentary relief from the summer precipitation yet moisture levels remain noticeable with the relative humidity gauging from 72 to 77%.

Winter weather in Mexico City

Winter witnesses a significant drop in temperature levels, ranging from a chillier 7.3°C (45.1°F) to 20.5°C (68.9°F). Rainfall reduces drastically to less than 20mm (0.79") and the number of rainy days reduces to 9.2 days by November and further to 3.9 days by December.

The dwindling daylight hours from 11.2 to 11 hours, contrasted by high sunshine hours from 7.8 to 8.9 hours, render an impression of a lit, yet colder diaspora. Despite considerable fluctuations in the weather elements, winter falls into a more predictable rhythm, offering a comfortable climate for visitors.

Weather in January

The first of the calendar year in Mexico City often exhibits a mix of cool temperatures and an appreciation for the sun. The ample daylight, extending to 11.1 hours, combines incidences of high UV index, indicating a need for appropriate skin protection, especially during midday. Weather in January »

Weather in February

As the year progresses, February continues with January's semblance; the cool yet mild weather characterizes Mexico City's climate. The month witnesses visible changes as daylight increases slightly, accompanying a marginal rise in temperatures. Weather in February »

Weather in March

March embodies a subtle climatic transition in Mexico City. Days become longer, and temperatures continue their incremental ascent, hinting at incoming warmer conditions. A decline in rainfall contributes to a discernable drop in cloud cover, enhancing local opportunities for sun-heavy activities. Weather in March »

Weather in April

April in Mexico City signifies the arrival of a warmer atmosphere. The sunlight duration reaches its annual maximum, fostering vibrant social life in parks and outdoor spaces across the city. Rainfall remains relatively low, thus preserving a generally dry climate. Weather in April »

Weather in May

The month of May experiences a shift in climatic harmony in Mexico City. The district's meteorological microcosm augments the warmth, placing it among the city's hottest periods. Despite extended daylight and the annual high temperature remaining at 25.4°C (77.7°F), largely corresponding to April, the onset of higher rainfall signals the incoming wetter period. Weather in May »

Weather in June

June welcomes the rainy season in Mexico City, altering the city's climatic qualities. The overall outlook sees a mingling of warm temperatures and high humidity, fostering a unique and contrasting weather experience. Maximum temperatures see a slight drop, hinting at the rainy days gradually cooling the city. Weather in June »

Weather in July

July continues the rainy trend from June, seeing an escalation in both average rainfall and the number of rainy days. The steady decline in maximum temperatures is balanced off by the relatively stable minimum temperature, contributing to a moderate climate. Weather in July »

Weather in August

August offers no sign of relenting rain in Mexico City, making it another wet month within the city limits. Outdoor activities might require careful planning due to the unpredictable showers coupled with the city's high humidity levels. Weather in August »

Weather in September

The month of September signals a shift in the weather landscape in Mexico City, with rainfall quantities decreasing and temperatures showing considerable stability. A modest recovery in maximum temperatures, reaching 20.8°C (69.4°F) on average, combines with constant minimal temperatures to maintain a pleasantly moderate climate. Weather in September »

Weather in October

October ushers in a period of change in Mexico City, marked by declining rainfall and returning warmth. Unobstructed by cloud cover, the sun illuminates the city for 9.2 hours on average, providing a conducive atmosphere for social events and outdoor activities. Weather in October »

Weather in November

November brings a stark reversal of fortunes in Mexico City, returning to drier and slightly cooler conditions suitable for various activities. The drop in rainfall and a significant reduction in cloudy days, offering a clearer sky, promote an environment conducive for sightseeing and exploring the historic treasures of the city. Weather in November »

Weather in December

December wraps up the year with a crisp, mild winter feel in Mexico City. The short days combine with ample sunshine to form a pleasantly cool weather phase. Vastly contrasting the rainy season, December receives the year's lowest rainfall, a near insignificantly small 4mm (0.16"). Weather in December »

Frequently asked questions

What time of the year is the coldest in Mexico City?

January stands out as Mexico City's coldest month, with an average high-temperature of 19.2°C (66.6°F) and a low-temperature of 6.8°C (44.2°F).

How many days does it rain in Mexico City?

Throughout the year, there are 176.8 rainfall days, and 781mm (30.75") of precipitation is accumulated.

When is the lowest UV index in Mexico City?

The months with the lowest UV index in Mexico City, Mexico, are January, June, August through December, with an average maximum UV index of 4.

When is the highest UV index in Mexico City?

The months with the highest UV index are February through May and July, with an average maximum UV index of 5.

What is the hottest time of year in Mexico City?

Mexico City's temperatures tend to hit their maximum during April and May, with an average high-temperature of 25.4°C (77.7°F).

What is the least humid month in Mexico City?

With an average relative humidity of 41%, April is the least humid month.

When are the longest days in Mexico City?

June has the longest days of the year in Mexico City, with an average of 13h and 18min of daylight.

What month has the most sunshine in Mexico City?

With an average of 10.6h of sunshine, June has the most sunshine of the year.

What is the rainiest month in Mexico City?

The month with the most rainfall is July, when the rain falls for 28.8 days and typically aggregates up to 181mm (7.13") of precipitation.

What is the most humid month in Mexico City?

September is the most humid month, with an average relative humidity of 77%.

What is the month with the least sunshine in Mexico City?

With an average of 7.8h of sunshine, November has the least sunshine of the year in Mexico City.

What is the driest month in Mexico City?

The month with the least rainfall is December, when the rain falls for 3.9 days and typically collects 4mm (0.16") of precipitation.

What is the month with the shortest days in Mexico City?

The month with the shortest days is December, with an average of 11h and 0min of daylight.

Is there Daylight Saving Time (DST) in Mexico City?

Mexico City does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
Mexico City, Mexico

Average temperature - Mexico City, Mexico

The warmest months (with the highest average high temperature) are April and May (25.4°C).
The month with the lowest average high temperature is January (19.2°C).

The month with the highest average low temperature is May (13.7°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).

Average pressure
Mexico City, Mexico

Average pressure - Mexico City, Mexico

The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).

Average wind speed
Mexico City, Mexico

Average wind speed - Mexico City, Mexico

The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).

Average humidity
Mexico City, Mexico

Average humidity - Mexico City, Mexico

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (41%).

Average rainfall
Mexico City, Mexico

Average rainfall - Mexico City, Mexico

The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days
Mexico City, Mexico

Average rainfall days - Mexico City, Mexico

The month with the highest number of rainy days is July (28.8 days).
The month with the least rainy days is December (3.9 days).

Average daylight / Average sunshine
Mexico City, Mexico

Average daylight / Average sunshine - Mexico City, Mexico

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).

Average sunshine days
Mexico City, Mexico

Average sunshine days - Mexico City, Mexico

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (0.3 days).

Average UV index
Mexico City, Mexico

Average UV index - Mexico City, Mexico

The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).

Average visibility
Mexico City, Mexico

Average visibility - Mexico City, Mexico

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).

Mexico City, Mexico

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