Climate and monthly weather forecastValle de Chalco, Mexico
Climate and monthly weather forecast
The climate of Valle de Chalco
Valle de Chalco, Mexico, experiences a temperate highland tropical climate with dry winters, known as Cwb in the Köppen climate classification. It has a unique climatic footprint due to its geographical coordinates and altitude. Variations in temperature, humidity, rainfall, and daylight hours weave a complex but predictable climate fabric that characterizes the weather pattern throughout the year.The temperature in Valle de Chalco range from a low of 6.8°C (44.2°F) to a high of 25.3°C (77.5°F). The city experiences its highest temperatures in April and May, around 25.2°C (77.4°F) to 25.3°C (77.5°F), while the lowest temperatures occur in January, dipping down to 6.8°C (44.2°F). That said, weather conditions remain generally comfortable since extreme temperatures are infrequent, and there is a minimal variation in average temperatures throughout the year.
Rainfall shows an interesting pattern throughout the year. February experiences the lowest amount of rainfall with 10mm (0.39"), while July received the most rainfall, marking up to 230mm (9.06"). The number of rainfall days follows a similar pattern, with fewer days of rainfall in the drier months, increasing up to 29.7 days in July and August, thus denoting the monsoon season.
Humidity remains relatively balanced throughout the year. It goes from a lower level of 43% (in April) to a higher level of 80%(in September) indicating a fair level of comfort most of the year. Wind speed remains moderate throughout the year, fluctuating from 4.8km/h (3mph) to 6.8km/h (4.2mph), providing a gentle breeze to accompany the tropical climate.
The best time to visit Valle de Chalco
Taking into account the overall weather parameters, the best time to visit Valle de Chalco is from March to May. During this period, the temperature hovers from 21.5°C (70.7°F) to 25.3°C (77.5°F) while humidity levels are comfortably around the 50% mark. Rainfall is moderate in these months, reducing the chances of any weather-related interruptions during your visit. Sunshine hours are at their maximum, with longer daylight hours ranging from 12 hours to 13.1 hours, providing ample time to explore the city's attractions.The worst time to visit Valle de Chalco
The least favorable time to visit Valle de Chalco would be from June to September. These months experience the highest rainfall amount going from a hefty 175mm (6.89") to a peak of 230mm (9.06") in July, accompanied by a significant number of rainy days. The high humidity levels during this season, from 69% to 80%, make it uncomfortable for outdoor activities. Wind speeds are at their lowest, providing minimal respite from the damp conditions.Spring weather in Valle de Chalco
Spring months from March to May witness a gradual rise in temperatures. They range from a comfortable 21.5°C (70.7°F) to 25.3°C (77.5°F), providing a gentle warmth that elevates the overall ambiance. The frequency of rainfall is relatively moderate, and daylight hours incrementally increase throughout the season, providing ample time to enjoy outdoor activities. Humidity remains at comfortable levels in the 40%-50% range.Summer weather in Valle de Chalco
The summer months witness a significant fluctuation in climatic conditions. While the first month of the season, June, experiences an average temperature of 22.9°C (73.2°F), the rainfall dramatically increases to its highest levels of the year, from 175mm (6.89") to a peak of 230mm (9.06") in July. The humidity also climbs to 70% and above, creating a damp atmosphere. Despite this, daylight hours remain significantly long, contributing to overall visibility.Autumn weather in Valle de Chalco
Autumn, from September to November, witnesses a gradual decline in temperature from 20.5°C (68.9°F) to 20°C (68°F), offering respite from the summer heat. While rainfall starts to lessen, humidity levels remain high in September at 80%, slowly falling to 67% by November. Despite these conditions, daylight and sunshine hours start decreasing, indicating the onset of winter.Winter weather in Valle de Chalco
Winter in Valle de Chalco begins with a gradual decline in temperature from 20°C (68°F) in December to a chilly 19.3°C (66.7°F) in January. However, it is characterized by low levels of rainfall and a reduced number of rainy days, making it a drier period of the year. Daylight hours are shorter, fluctuating between 11 hours to 11.2 hours, and wind speeds experience a gentle rise, providing a much-needed respite from the lower temperatures. Despite the cold, overall humidity remains at a comfortable level, making winter a pleasant season in Valle de Chalco.Weather in January
January in Valle de Chalco, Mexico, is characterized by relatively cool temperatures, making it a pleasant start to the year. The month's average highest and lowest temperatures are noted at 19.3°C (66.7°F) and 6.8°C (44.2°F) respectively. Weather in January »Weather in February
February in Valle de Chalco, Mexico, witnesses a mild increment in temperature in comparison to January. Notable about this month is the marginal upward shift in rainfall to 10mm (0.39") from the preceding month's 12mm (0.47"). Weather in February »Weather in March
March brings a noticeable change to Valle de Chalco's weather significant in its relatively increased levels of rainfall. The increment in rain becomes striking as it jumps to 18mm (0.71") in March, providing a breather from the drier climate of the previous months. Weather in March »Weather in April
April in Valle de Chalco, Mexico brings about a distinct shift in weather mainly observable in the considerably increased rainfall, with 29mm (1.14") precipitation observed. The month appears wetter as the region transitions deeper into the warmer seasons. Weather in April »Weather in May
Intensifying the trends from April, May marks a significant escalation in both temperatures and rainfall. A significant feature about May's weather is the sizable leap in rainfall to an average of 89mm (3.5"). This increment also brings about a rise in humidity, setting the stage for the onset of the wetter months ahead. Weather in May »Weather in June
June brings about some of the more intense weather changes in Valle de Chalco, Mexico. The dominant feature of this month is a sharp rise in rainfall which averages 175mm (6.89"), marking the onset of the monsoon season. The month bears the brunt of this rainfall increment, corroborated by the highest humidity levels of the year. Weather in June »Weather in July
July's weather in Valle de Chalco, Mexico, reflects a distinct monsoon character. July is noted for having the highest levels of rainfall for the year, averaging around 230mm (9.06"). This high precipitation resultantly ushers in the highest documented humidity levels, reflective of a typical monsoon climate. Weather in July »Weather in August
August essentially continues the monsoon pattern observed in July for Valle de Chalco, Mexico. A telling feature about August's weather is its significant rainfall, being only marginally less than July's, falling around 216mm (8.5"). Weather in August »Weather in September
September brings about a slight relief to the monsoon conditions predominant in Valle de Chalco, Mexico. The rainfall notably decreases to 174mm (6.85") in September, setting a trend towards a more pleasant climate. The retreat from the rainy season brings with it slightly reduced humidity, providing a departure from the preceding damp environment. Weather in September »Weather in October
October brings a welcome change to the weather in Valle de Chalco, Mexico, with the onset of more agreeable conditions. A striking aspect about October's weather is the appreciable dip in rainfall to 100mm (3.94") in comparison to September's 174mm (6.85"). Weather in October »Weather in November
November accentuates the more temperate weather trends in Valle de Chalco, Mexico. November presents a stark contrast to the preceding months with its relatively low rainfall, averaging around 30mm (1.18"). This decrease in precipitation coincides with a steady drop in humidity, rendering a characteristically drier climate. Weather in November »Weather in December
December culminates the weather phenomenon of Valle de Chalco, Mexico, into a notably calm period. The primary attribute characterizing December's weather includes the low average rainfall, which is a mere 5mm (0.2"). This substantial reduction results in the driest month of the year, creating a stark contrast from the heavy rains of the monsoon months. Weather in December »Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with an average high of 19.3°C (66.7°F) and a low of 6.8°C (44.2°F), signifies the coldest month of the year.
Throughout the year, in Valle de Chalco, there are 195.2 rainfall days, and 1088mm (42.83") of precipitation is accumulated.
The months with the lowest UV index are January, August through December, with an average maximum UV index of 4.
February through July, with an average maximum UV index of 5, are months with the highest UV index.
April, with its high-temperature average of 25.3°C (77.5°F) and a low-temperature average of 11.6°C (52.9°F), is the warmest month in Valle de Chalco.
April is the least humid month, with an average relative humidity of 43%.
With an average of 13h and 18min of daylight, June has the longest days of the year in Valle de Chalco.
June has the most sunshine of the year in Valle de Chalco, Mexico, with an average of 10.8h of sunshine.
July is the month with the most rainfall. Rain falls for 29.7 days and accumulates 230mm (9.06") of precipitation.
September is the most humid month, with an average relative humidity of 80%.
With an average of 7.7h of sunshine, November has the least sunshine of the year.
The month with the least rainfall in Valle de Chalco is December, when the rain falls for 4.3 days and typically collects 5mm (0.2") of precipitation.
The month with the shortest days in Valle de Chalco, Mexico, is December, with an average of 11h and 0min of daylight.
Valle de Chalco, Mexico, does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Valle de Chalco, Mexico
The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is January (19.3°C).
The month with the highest average low temperature is May (13°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure
Valle de Chalco, Mexico
- Average pressure in January:
1018.4mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1014.9mbar
- Average pressure in July:
1016.9mbar - Average pressure in August:
1016.3mbar - Average pressure in September:
1015.6mbar - Average pressure in October:
1016.4mbar - Average pressure in November:
1017.8mbar - Average pressure in December:
1017.8mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed
Valle de Chalco, Mexico
- Average wind speed in January:
6.6km/h - Average wind speed in February:
6.7km/h - Average wind speed in March:
6.8km/h - Average wind speed in April:
6.8km/h - Average wind speed in May:
5.5km/h - Average wind speed in June:
5.3km/h
- Average wind speed in July:
4.8km/h - Average wind speed in August:
5.2km/h - Average wind speed in September:
5.5km/h - Average wind speed in October:
6.7km/h - Average wind speed in November:
6.2km/h - Average wind speed in December:
6.1km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.8km/h).
Average humidity
Valle de Chalco, Mexico
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is April (43%).
Average rainfall
Valle de Chalco, Mexico
The wettest month (with the highest rainfall) is July (230mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days
Valle de Chalco, Mexico
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
25.4 days
- Average rainfall days in July:
29.7 days - Average rainfall days in August:
29.7 days - Average rainfall days in September:
27.5 days - Average rainfall days in October:
20.2 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
4.3 days
The months with the highest number of rainy days are July and August (29.7 days).
The month with the least rainy days is December (4.3 days).
Average daylight / Average sunshine
Valle de Chalco, Mexico
- Average daylight in January:
11h and 6min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 18min
- Average daylight in July:
13h and 12min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 12min - Average daylight in December:
11h and 0min
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).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
9h and 48min - Average sunshine in March:
9h and 42min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
9h and 0min - Average sunshine in September:
9h and 0min - Average sunshine in October:
9h and 6min - Average sunshine in November:
7h and 42min - Average sunshine in December:
8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days
Valle de Chalco, Mexico
- Average sunshine days in January:
23.6 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
6.5 days - Average sunshine days in June:
1.9 days
- Average sunshine days in July:
0.5 days - Average sunshine days in August:
0.5 days - Average sunshine days in September:
1.3 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
14.5 days - Average sunshine days in December:
24.9 days
The month with the most sunshine days is December (24.9 days).
The months with the least sunshine days are July and August (0.5 days).
Average UV index
Valle de Chalco, Mexico
The months with the highest UV index are February, March, April, May, June and July (UV index 5).
The months with the lowest UV index are January, August, September, October, November and December (UV index 4).
Average cloud cover
Valle de Chalco, Mexico
The months with the most cloud cover are July and September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 10).
Average visibility
Valle de Chalco, 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).
