Climate and monthly weather forecastSantiago, Mexico
Climate and monthly weather forecast
Weather in January
January, like December, in Santiago, Mexico, is another comfortable winter month, with an average temperature fluctuating between 18.5°C (65.3°F) and 8.3°C (46.9°F). The coldest month is January, with an average high-temperature of 18.5°C (65.3°F) and an average low-temperature of 8.3°C (46.9°F). Weather in January »Weather in February
February, the last month of the winter in Santiago, is a pleasant month, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 10.4°C (50.7°F). Santiago in February denotes a subtle temperature transition, adjusting from an average high of an enjoyable 18.5°C (65.3°F) in January to a pleasant 21.8°C (71.2°F). Weather in February »Weather in March
The first month of the spring, March, is a warm month in Santiago, Mexico, with an average temperature fluctuating between 25.2°C (77.4°F) and 13.3°C (55.9°F). March marks a minor ascent in the average high-temperature, adjusting from February's agreeable 21.8°C (71.2°F) to a warm 25.2°C (77.4°F). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Santiago, Mexico, with an average temperature varying between 16.5°C (61.7°F) and 28.8°C (83.8°F). Observing a slight rise in April, the average high-temperature shifts from March's 25.2°C (77.4°F) to a still warm 28.8°C (83.8°F). Weather in April »Weather in May
The last month of the spring, May, is a tropical month in Santiago, Mexico, with an average temperature fluctuating between 19.2°C (66.6°F) and 30.5°C (86.9°F). The dawn of May sees an average high-temperature of a hot 30.5°C (86.9°F), subtly contrasting with April's 28.8°C (83.8°F). Weather in May »Weather in June
June, the first month of the summer in Santiago, is still a tropical month, with an average temperature ranging between min 20.4°C (68.7°F) and max 31.3°C (88.3°F). The average high-temperature is a still tropical 31.3°C (88.3°F) in June, hardly different from the 30.5°C (86.9°F) recorded in May. Weather in June »Weather in July
July, the same as June, in Santiago, Mexico, is another tropical summer month, with an average temperature fluctuating between 20.7°C (69.3°F) and 31.5°C (88.7°F). Santiago records an average high-temperature of a still hot 31.5°C (88.7°F) in July, maintaining a close correlation with June's 31.3°C (88.3°F). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Santiago, Mexico, with an average temperature ranging between max 31.7°C (89.1°F) and min 20.8°C (69.4°F). August stands out as Santiago's warmest month, with temperatures ranging between an average high of 31.7°C (89.1°F) and a low of 20.8°C (69.4°F). August's mean heat index is appraised at a sweltering 35°C (95°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Santiago, Mexico, with an average temperature ranging between max 27.6°C (81.7°F) and min 19.1°C (66.4°F). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a hot 31.7°C (89.1°F) to a warm 27.6°C (81.7°F). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Santiago, Mexico, with an average temperature varying between 25.9°C (78.6°F) and 15.9°C (60.6°F). Santiago's average high-temperature in October is a still warm 25.9°C (78.6°F), indicating a subtle variation from September. Weather in October »Weather in November
November, the last month of the autumn in Santiago, is another pleasant month, with an average temperature varying between 11.5°C (52.7°F) and 21.5°C (70.7°F). The advent of November brings a slight shift in average high-temperature, moving from a warm 25.9°C (78.6°F) in October to an agreeable 21.5°C (70.7°F). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Santiago, Mexico, with an average temperature ranging between min 9.5°C (49.1°F) and max 19.5°C (67.1°F). Santiago's shift from November to December is accompanied by an average high-temperature of a comfortable 19.5°C (67.1°F), a slight deviation from 21.5°C (70.7°F). 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
In Santiago, January is known for its average lowest temperatures, reaching a high of 18.5°C (65.3°F) and a low of 8.3°C (46.9°F).
In Santiago, Mexico, during the entire year, the rain falls for 158.3 days and collects up to 602mm (23.7") of precipitation.
In Santiago, snow does not fall in January through November.
Throughout the year, in Santiago, there are 0.5 snowfall days, and 6mm (0.24") of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 4.
The month with the least rainfall in Santiago is February, when the rain falls for 7.1 days and typically collects 12mm (0.47") of precipitation.
April is the least humid month in Santiago, with an average relative humidity of 50%.
The month with the most rainfall is May, when the rain falls for 19.3 days and typically aggregates up to 105mm (4.13") of precipitation.
The months with the highest UV index are May and July, with an average maximum UV index of 7.
The month with the longest days in Santiago, Mexico, is June, with an average of 13h and 42min of daylight.
The month with the most sunshine is June, with an average of 11.5h of sunshine.
In Santiago, August registers the highest temperatures, averaging 31.7°C (89.1°F) at the peak and 20.8°C (69.4°F) at the lowest.
September is the most humid month, with an average relative humidity of 69%.
With an average of 7h of sunshine, November has the least sunshine of the year.
December is the only month when snow falls in Santiago.
December is the month with the most snowfall in Santiago, Mexico. Snow falls for 0.1 days and accumulates 6mm (0.24") of snow.
With an average of 10h and 36min of daylight, December has the shortest days of the year in Santiago, Mexico.
Santiago, Mexico, does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Santiago, Mexico
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (18.5°C).
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).
Average pressure
Santiago, Mexico
- Average pressure in January:
1019.5mbar - Average pressure in February:
1016.6mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1012.1mbar - Average pressure in May:
1011.6mbar - Average pressure in June:
1012.1mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1014.2mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1018.3mbar - Average pressure in December:
1018.1mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed
Santiago, Mexico
- Average wind speed in January:
8km/h - Average wind speed in February:
8.5km/h - Average wind speed in March:
10.1km/h - Average wind speed in April:
11km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
11.9km/h
- Average wind speed in July:
11.9km/h - Average wind speed in August:
10.8km/h - Average wind speed in September:
9km/h - Average wind speed in October:
8.6km/h - Average wind speed in November:
8km/h - Average wind speed in December:
7.4km/h
The windiest months (with the highest average wind speed) are June and July (11.9km/h).
The calmest month (with the lowest average wind speed) is December (7.4km/h).
Average humidity
Santiago, Mexico
The month with the highest relative humidity is September (69%).
The month with the lowest relative humidity is April (50%).
Average rainfall
Santiago, Mexico
The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days
Santiago, Mexico
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
22.8 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is September (22.8 days).
The month with the least rainy days is December (6 days).
Average snowfall
Santiago, Mexico
The month with the highest snowfall is December (6mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Santiago, Mexico
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Santiago, Mexico
- Average daylight in January:
10h and 48min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 24min - Average daylight in June:
13h and 42min
- Average daylight in July:
13h and 30min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
10h and 54min - Average daylight in December:
10h and 36min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January:
9h and 6min - Average sunshine in February:
9h and 18min - Average sunshine in March:
9h and 6min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
9h and 12min - Average sunshine in November:
7h and 0min - Average sunshine in December:
7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days
Santiago, Mexico
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
7.7 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
5.5 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
18 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is September (5.5 days).
Average UV index
Santiago, Mexico
The months with the highest UV index are May and July (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Santiago, Mexico
The month with the most cloud cover is September (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Santiago, Mexico
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (10km).
The month with the lowest visibility is September (9km).
