Climate and monthly weather forecastRancagua, Chile
Climate and monthly weather forecast
The climate of Rancagua
Rancagua, located in Chile, experiences a Mediterranean climate with warm summers, classified as 'Csb' under the Köppen climate classification. A distinguishing feature of this climatic zone is the cool, wet winters contrasted by warm, dry summers.Throughout the year, Rancagua witnesses a significant fluctuation in temperature, from a high of 27.1°C (80.8°F) in January to a low of 10.6°C (51.1°F) in July. The humidity levels also vary over the months, registering a maximum of 64% in July and August and dipping to 40% in March. The region receives maximum rainfall between May and August, peaking in June at 105mm (4.13"). On the other hand, the month that sees a minimum downpour of just 2mm (0.08") is March.
Interest is raised by the occurrence of snow in July, with a snowfall of 4mm (0.16"), although the number of snowfall days is only 0.3. A striking aspect is the stability of visibility, which remains constant at 10km (6.2mi) throughout the year, indicating relatively clear skies for the most part. The wind speed sees minor variations, ranging from 6.2km/h (3.9mph) in April to 7.9km/h (4.9mph) in June, ensuring moderate conditions that do not lean towards extreme windiness.
The best time to visit Rancagua
For visitors seeking a trip to Rancagua, the months from November to March provide the most pleasant conditions. These months feature a comfortable blend of warm temperatures and low rainfall. Top temperatures oscillate between 25.1°C (77.2°F) to 27.1°C (80.8°F) and rainfall measures minimal, between 2mm (0.08") to 10mm (0.39"), creating ideal conditions for outdoor activities or sightseeing. The sunshine hours are high, ranging from 9.6 hours per day in November to 9.9 hours in February, ensuring plenty of opportunity to soak in the pleasant warmth.The worst time to visit Rancagua
The least ideal time for a visit to Rancagua occurs from May to August. These months are characterized by lower temperatures, heavy rains and higher humidity. With temperatures dropping from 16.2°C (61.2°F) to 10.6°C (51.1°F) between May and July, and rainfall shooting up to 105mm (4.13") in June, these months are less favorable for outdoor activities. Humidity levels range from 59% to 64% during these months, adding to a thicker atmosphere and potentially challenging those unaccustomed to such conditions.Spring weather in Rancagua
Rancagua's spring months, from September through November, see a gradual rise in temperatures and a reduction in rainfall. Temperatures progress from 14.7°C (58.5°F) to 22.3°C (72.1°F) providing the perfect boot-up to the warm, sunny summer months. Rainfall significantly decreases from 41mm (1.61") to 10mm (0.39"), heralding the approach of drier times.Summer weather in Rancagua
Characterizing the Mediterranean climate, the summer months in Rancagua, between December and February, are defined by warm and dry conditions. Temperatures linger around the mid-twenties, specifically between 24.9°C (76.8°F) to 27.1°C (80.8°F). Rainfall remains low, being minimal at 4mm (0.16") in December and merely 3mm (0.12") in February, inspiring visitors and locals to indulge in outdoor activities.Autumn weather in Rancagua
Autumn in Rancagua, falling between March and May, experiences a decline in temperatures from 25.1°C (77.2°F) to 16.2°C (61.2°F). Rainfall sees a considerable increase from a mere 2mm (0.08") in March to a substantial 41mm (1.61") by May, signifying the onset of the wet season. However, humidity remains moderate, enabling activities that are not majorly influenced by rainfall.Winter weather in Rancagua
With temperatures dipping to their lowest and rainfall at its peak, winter establishes itself from June to August in Rancagua. The temperatures dip to a chilly range from 11.8°C (53.2°F) in June to 10.6°C (51.1°F) in July. Rainfall peaks at a high 105mm (4.13") in June. The occurrence of snow in July adds to the cold surroundings. These colder, wet months are less suitable for outdoor activities, making them the off-season for tourism.Weather in January
January starts on a high note regarding weather in Rancagua, Chile. Minimizing rainfall to 4mm (0.16") over 1.8 days, the month boasts ample sunlight, fostering favorable moments for outdoor activities. A significant characteristic of January's weather is the highest average temperature of 27.1°C (80.8°F). Weather in January »Weather in February
In comparison to the proceeding period, February maintains most of January's elements with a slight drop in temperature. The warmth slightly shrinks to an average high of 26.6°C (79.9°F), though it hardly hampers outdoor amusements. Weather in February »Weather in March
As Rancagua transitions into autumn, March introduces a slight modification in the weather condition. With an average high at 25.1c, the temperature eases from the February peak, paving a welcome path for those lethargic to the heat. Weather in March »Weather in April
April firmly establishes itself as an autumn month in Rancagua, considerably shifting from March's weather composition. The evident reduction in temperature, which averages a high of 21°C (69.8°F), becomes more pronounced, catapulting the city into the seasonal spirit of autumn. Weather in April »Weather in May
May strengthens the transformative course set by April, with descending temperature and daylight duration in Rancagua. Here, weather signifies the city's in-depth plunge into autumn. With increased cloud coverage, the ambiance turns somewhat somber yet poetic. Weather in May »Weather in June
June welcomes winter to the aura of Rancagua by lowering the mercury even further to an average high of 11.8°C (53.2°F). The dwindling temperature contributes to an extraordinary season imbued with frosty mornings and crispy evenings. Weather in June »Weather in July
Arriving at the heart of winter, July instills a chilly atmosphere in Rancagua. The weather climate takes a different turn in this month, introducing snowfall of 4mm (0.16"). Unlike previous months, July embraces this unique weather characteristic, cradling cold-loving adventurers. Weather in July »Weather in August
August maintains the ice-clad grip of winter yet marks the preliminary signs of transition to spring in Rancagua. Mimicking July’s weather demeanor, the temperature explores a slight rise, with an average high revamping to 12.8°C (55°F). Weather in August »Weather in September
September takes Rancagua a step forward towards spring, heralding a gradual surge in temperature, climatic conditions, and outdoor activities. The ambiance embraces a new charm, removing the winter frost and welcoming a warm breeze. Weather in September »Weather in October
With October in full swing, Rancagua experiences the height of spring, a season renowned for its pleasant weather. This period records a significant leap in the average high temperature, which moves up to 18.1°C (64.6°F). As the weather becomes more favorable, a flurry of outdoor activities return to Rancagua’s scenery. Weather in October »Weather in November
The onset of November brings a remarkable rise in temperature in Rancagua, setting the city on a direct path towards summer. Soaking under an average high of 22.3°C (72.1°F), the city slips further into the distinctive charm of late spring. Weather in November »Weather in December
Finally, December concludes Rancagua's weather cycle by dialling up the temperature to an exhilarating average high of 24.9°C (76.8°F), signaling the onset of summer. This month is a haven for sun-lovers, blessed with an impressive 14.4 hours of daylight, making for prolonged evenings. Weather in December »Updated: Jan 24, 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 its high-temperature average of 27.1°C (80.8°F) and a low-temperature average of 11.8°C (53.2°F), is the warmest month.
Throughout the year, there are 64.2 rainfall days, and 389mm (15.31") of precipitation is accumulated.
January through June, August through December are months without snowfall in Rancagua, Chile.
In Rancagua, during the entire year, snow aggregates up to 4mm (0.16").
The months with the most sunshine are January and February, with an average of 9.9h of sunshine.
January is the month with the highest UV index in Rancagua, Chile, with an average maximum UV index of 6.
March is the least humid month in Rancagua, with an average relative humidity of 40%.
The month with the least rainfall is March, when the rain falls for 2.3 days and typically collects 2mm (0.08") of precipitation.
On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends, and the time zone changes from -03 to -04. The next Daylight Saving Time starts on Sunday, 08. September 2024, at 00:00, and the time zone reverts from -04 to -03.
June is the month with the most rainfall. Rain falls for 9.1 days and accumulates 105mm (4.13") of precipitation.
June has the shortest days of the year, with an average of 9h and 54min of daylight.
With an average of 7.7h of sunshine, June has the least sunshine of the year in Rancagua.
June and July, with an average maximum UV index of 2, are months with the lowest UV index.
Rancagua's temperature records reveal July as the coldest month, marked by average highs of 10.6°C (51.1°F) and lows of 1.7°C (35.1°F).
July and August, with an average relative humidity of 64%, are most humid months.
The only month with snowfall is July.
The month with the most snowfall in Rancagua is July, when snow falls for 0.3 days and typically aggregates up to 4mm (0.16") of snow.
With an average of 14h and 24min of daylight, December has the longest days of the year in Rancagua, Chile.
Average temperature
Rancagua, Chile
The warmest month (with the highest average high temperature) is January (27.1°C).
The month with the lowest average high temperature is July (10.6°C).
The month with the highest average low temperature is January (11.8°C).
The coldest month (with the lowest average low temperature) is July (1.7°C).
Average pressure
Rancagua, Chile
- Average pressure in January:
1014.4mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1016.8mbar - Average pressure in May:
1017.8mbar - Average pressure in June:
1019mbar
- Average pressure in July:
1019.8mbar - Average pressure in August:
1019.6mbar - Average pressure in September:
1019.1mbar - Average pressure in October:
1017.7mbar - Average pressure in November:
1016.1mbar - Average pressure in December:
1014.8mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).
Average wind speed
Rancagua, Chile
- Average wind speed in January:
7.5km/h - Average wind speed in February:
7.1km/h - Average wind speed in March:
6.6km/h - Average wind speed in April:
6.2km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
7.9km/h
- Average wind speed in July:
7.5km/h - Average wind speed in August:
7.2km/h - Average wind speed in September:
6.8km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
7.2km/h
The windiest month (with the highest average wind speed) is June (7.9km/h).
The calmest month (with the lowest average wind speed) is April (6.2km/h).
Average humidity
Rancagua, Chile
The months with the highest relative humidity are July and August (64%).
The month with the lowest relative humidity is March (40%).
Average rainfall
Rancagua, Chile
The wettest month (with the highest rainfall) is June (105mm).
The driest month (with the least rainfall) is March (2mm).
Average rainfall days
Rancagua, Chile
- Average rainfall days in January:
1.8 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
2.3 days - Average rainfall days in April:
4.3 days - Average rainfall days in May:
6.6 days - Average rainfall days in June:
9.1 days
- Average rainfall days in July:
8.8 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
2.2 days
The month with the highest number of rainy days is June (9.1 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall
Rancagua, Chile
The month with the highest snowfall is July (4mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days
Rancagua, Chile
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 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:
0.3 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 days
The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Rancagua, Chile
- Average daylight in January:
14h and 6min - Average daylight in February:
13h and 18min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 12min - Average daylight in May:
10h and 18min - Average daylight in June:
9h and 54min
- Average daylight in July:
10h and 6min - Average daylight in August:
10h and 54min - Average daylight in September:
11h and 54min - Average daylight in October:
13h and 0min - Average daylight in November:
13h and 54min - Average daylight in December:
14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January:
9h and 54min - Average sunshine in February:
9h and 54min - Average sunshine in March:
9h and 42min - Average sunshine in April:
9h and 12min - Average sunshine in May:
8h and 12min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
7h and 54min - Average sunshine in August:
7h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
8h and 42min - Average sunshine in November:
9h and 36min - Average sunshine in December:
9h and 42min
The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 42min).
Average sunshine days
Rancagua, Chile
- Average sunshine days in January:
26.8 days - Average sunshine days in February:
24.9 days - Average sunshine days in March:
28.8 days - Average sunshine days in April:
25.5 days - Average sunshine days in May:
24 days - Average sunshine days in June:
20.2 days
- Average sunshine days in July:
20.9 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
22.9 days - Average sunshine days in November:
23.9 days - Average sunshine days in December:
27.4 days
The month with the most sunshine days is March (28.8 days).
The month with the least sunshine days is June (20.2 days).
Average UV index
Rancagua, Chile
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are June and July (UV index 2).
Average cloud cover
Rancagua, Chile
The month with the most cloud cover is June (Cloud cover 32).
The month with the least cloud cover is February (Cloud cover 4).
Average visibility
Rancagua, Chile
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
