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Contents
- The climate of Castro
- The best time to visit Castro
- The worst time to visit Castro
- Spring weather in Castro
- Summer weather in Castro
- Autumn weather in Castro
- Winter weather in Castro
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Castro
Located in the second southernmost region of Chile, Castro experiences a marine west coast climate, designated as Cfb under the Köppen climate classification. This climatic zone denotes the warm summer pattern afflicting the area. Temperature swings throughout the year are moderate, with highs falling within the range of 9.3°C (48.7°F) in July to a yearly top of 17.6°C (63.7°F) seen in January and February. Nighttime temperatures vary from 5.6°C (42.1°F) in July to 10.9°C (51.6°F) in January and February.
Relative humidity prominently displays characteristic tendencies of coastal wet climates; between 79% in January and a peak value reaching 87% in June and August. Pertaining to wind conditions, the coastal exposure of Castro precipitates persistent winds, with yearly averages swinging from 13.4km/h (8.3mph) in January to a yearly high of 17.8km/h (11.1mph) in August. These wind speeds can occasionally spike, producing gusts reaching up to 27.6km/h (17.1mph), especially in August.
Rainfall predominates Castro's climate with all months registering numerous wet days. The months from April to August weather the heaviest rainfall, with July sitting at a peak of 124mm (4.88"). The fewer rainy days are experienced from January to March, but with January still showing a good deal of precipitation at 37mm (1.46"). Alongside the rainfall, there is a significant amount of cloud cover year-round, ranging from 44% in January to a yearly high of 64% in June and August.
Relative humidity prominently displays characteristic tendencies of coastal wet climates; between 79% in January and a peak value reaching 87% in June and August. Pertaining to wind conditions, the coastal exposure of Castro precipitates persistent winds, with yearly averages swinging from 13.4km/h (8.3mph) in January to a yearly high of 17.8km/h (11.1mph) in August. These wind speeds can occasionally spike, producing gusts reaching up to 27.6km/h (17.1mph), especially in August.
Rainfall predominates Castro's climate with all months registering numerous wet days. The months from April to August weather the heaviest rainfall, with July sitting at a peak of 124mm (4.88"). The fewer rainy days are experienced from January to March, but with January still showing a good deal of precipitation at 37mm (1.46"). Alongside the rainfall, there is a significant amount of cloud cover year-round, ranging from 44% in January to a yearly high of 64% in June and August.
The best time to visit Castro
For warmth and long days of sunshine, the best time to visit Castro is between December and February. Sunshine hours reach between 6 in December to 7.4 in February, and temperatures range from a low of 9.7°C (49.5°F) to a high of 17.6°C (63.7°F). Despite being the wetter part of the year, rainfall is comparatively less with averages from 68mm (2.68") in December to 37mm (1.46") in February, the least in the year.
The worst time to visit Castro
Due to the increasing frequency of rain and wind, it is less advisable to visit Castro between April and August. During these months, rainfall heightens, with averages far surpassing 100mm (3.94") between April and August. Moreover, wind conditions intensify, with average wind speed increasing to 17km/h (10.6mph). Combined with decreased daylight hours and cooler temperatures, traveling during this season may prove somewhat challenging.
Spring weather in Castro
Castro's spring, from September to November, sees slowly rising temperatures from 10.5°C (50.9°F) in September to 13.5°C (56.3°F) in November. Although this season experiences an increase in rainfall from 65mm (2.56") in September to 74mm (2.91") in November, it also brings an increase in daylight hours. Sunshine hours increase as well from 5.4 in September to 6 in November.
Summer weather in Castro
The summer months in Castro, which fall between December and February, are mildly warm, with temperatures rising and falling between 15.6°C (60.1°F) to 17.6°C (63.7°F). This is the season with the most sunshine, tallying from 6 hours in December to a yearly high of 7.4 hours in February despite considerable cloud cover ranging from 55% in December to 44% in February. January, despite being a summer month, sees 14.9 days of rainfall accumulating to 37mm (1.46").
Autumn weather in Castro
Autumn in Castro profoundly sees a transition from the milder summer months into the colder, wetter months of the year. Between March and May, temperatures fall from 16°C (60.8°F) in March to 11.8°C (53.2°F) in May. The months of April and May contend with significant rain, soaring as high as 88mm (3.46") and 126mm (4.96") respectively.
Winter weather in Castro
Winter months of June through August in Castro are highly rainy, with rainfall peaking at 124mm (4.88") in June. Temperatures during this period hover at a low point from 9.3°C (48.7°F) in July to 9.6°C (49.3°F) in August. Despite the average daily temperature only varying slightly, a considerable drop in daylight hours is felt from 9.1 hours in June to a minimal 9.4 hours in July. However, this also aligns with the highest monthly average relative humidity of 87% in June and August, emphasizing the typical damp, cool winter conditions inherent in a Cfb climate zone.
Weather in January
January weather in Castro, Chile is characterized by mild temperatures and substantial rainfall. Temperatures are relatively high in January, with an average high of 17.6°C (63.7°F) serving as the backdrop for the plentiful rainfall occurring on approximately half the days. Weather in January »
Weather in February
Weather in February in Castro is quite similar to January in several key ways. Average temperatures and rainfalls remain more or less constant, with a slightly increased tendency for rain. While February experiences less daylight than its predecessor, the month compensates with slightly more sun-soaked days. Weather in February »
Weather in March
March ushers in a noticeable change in Castro’s climate. During this month, the average high temperature decreases to 16°C (60.8°F), and the percentage of cloud cover rises. The winds take a slight respite, dipping to 12.8km/h (8mph) on average. Weather in March »
Weather in April
April in Castro witnesses a shift from the light, mild climate of March. This shift is characterized by a decrease in temperature, an increase in cloud cover leading to less sunshine, and stronger winds with average speeds of 13.2km/h (8.2mph). Weather in April »
Weather in May
May is typically the start of the colder seasons in Castro. Compared to previous months, May is marked by a pronounced decrease in average temperatures and an increase in rainfall. Humidity peaks to 86%, and the cloud cover significantly increases, leading to fewer hours of sunshine. Weather in May »
Weather in June
June in Castro is a month of shorter days and lower temperatures. This period sees a further dip in temperature from May, accompanied by an impressive amount of rainfall over the number of days. Despite the chillier weather, the city is not lethargic, with the number of rain hours not far deviating from the rest of the year. Weather in June »
Weather in July
July accentuates the trend of colder, wetter conditions ongoing in Castro since the past few months. Key weather parameters such as rainfall, wind speed, and cloud cover are all at their highest levels with the wind gusts klipping at a brisk 26.9km/h (16.7mph). Weather in July »
Weather in August
August is still deep within the throes of winter in Castro. The maximum temperature begins to crawl upward slightly to 9.6°C (49.3°F), but the nights are arguably cold with the mercury dropping to 5.8°C (42.4°F). Extended rainfall in August contributes to the high levels of humidity. Weather in August »
Weather in September
September acts as a transitionary phase from the chills of winter to the mildness of spring in Castro. There’s a slight upswing in the mean temperatures and a downtick in the amount of rainfall, providing a breather before the rainy season returns in earnest. Weather in September »
Weather in October
October in Castro is characterized as a mild month, with increasing temperature and a tendency towards clearer skies. The arrival of October marks a shift towards warmer days and cooler nights. The rainfall value decreases to 79mm (3.11"). Weather in October »
Weather in November
November in Castro, Chile is a period of swiftly changing weather conditions. It sees a further increase in temperatures, while the duration of daylight increases - a welcome addition for the outdoor enthusiasts who take to Castro’s green spaces. Weather in November »
Weather in December
A significant surge in the maximum temperature to 15.6°C (60.1°F) marks December in Castro. It is accompanied by a similar rise in the minimum temperature, and a corresponding increase in rainfall. This time of the year, weather continues to be a mixed bag with longer daylight hours, more sun, and an increased UV index of 4. 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
What is the warmest month in Castro?
Castro's warmest period falls in January and February, when the average high-temperatures ascend to 17.6°C (63.7°F).
What is the least humid month in Castro?
The least humid month in Castro, Chile, is January, with an average relative humidity of 79%.
What is the driest month in Castro?
The month with the least rainfall is January, when the rain falls for 14.9 days and typically collects 37mm (1.46") of precipitation.
How much does it rain in Castro?
In Castro, Chile, during the entire year, the rain falls for 218 days and collects up to 1005mm (39.57") of precipitation.
What month has the most sunshine in Castro?
With an average of 8.4h of sunshine, January has the most sunshine of the year.
When is the highest UV index in Castro?
The months with the highest UV index are January through March and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in Castro?
On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends in Castro, 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.
What is the wettest month in Castro?
The month with the most rainfall is May, when the rain falls for 20.8 days and typically aggregates up to 126mm (4.96") of precipitation.
What is the most humid month in Castro?
The months with the highest humidity in Castro are June and August, with an average relative humidity of 87%.
What is the month with the shortest days in Castro?
The month with the shortest days is June, with an average of 9h and 6min of daylight.
What is the month with the least sunshine in Castro?
The month with the least sunshine in Castro is June, with an average of 3.5h of sunshine.
When is the lowest UV index in Castro?
The months with the lowest UV index in Castro are June, July and September, with an average maximum UV index of 2.
What is the coldest time of year in Castro?
With an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 5.6°C (42.1°F), July is the coldest month.
When are the longest days in Castro?
The month with the longest days in Castro, Chile, is December, with an average of 15h and 12min of daylight.
Average temperature
Castro, Chile
The warmest months (with the highest average high temperature) are January and February (17.6°C).
The month with the lowest average high temperature is July (9.3°C).
The months with the highest average low temperature are January and February (10.9°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure
Castro, Chile
- Average pressure in January:
1016.4mbar - Average pressure in February:
1015.7mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1017mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1015mbar
- Average pressure in July:
1016.6mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1018.7mbar - Average pressure in October:
1017.7mbar - Average pressure in November:
1017.3mbar - Average pressure in December:
1015.9mbar
The month with the highest atmospheric pressure is September (1018.7mbar).
The month with the lowest atmospheric pressure is June (1015mbar).
Average wind speed
Castro, Chile
- Average wind speed in January:
13.4km/h - Average wind speed in February:
13.7km/h - Average wind speed in March:
12.8km/h - Average wind speed in April:
13.2km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
17km/h
- Average wind speed in July:
17.1km/h - Average wind speed in August:
17.8km/h - Average wind speed in September:
15km/h - Average wind speed in October:
14.1km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
14.8km/h
The windiest month (with the highest average wind speed) is August (17.8km/h).
The calmest month (with the lowest average wind speed) is March (12.8km/h).
Average humidity
Castro, Chile
The months with the highest relative humidity are June and August (87%).
The month with the lowest relative humidity is January (79%).
Average rainfall
Castro, Chile
- Average rainfall in January:
37mm - Average rainfall in February:
45mm - Average rainfall in March:
64mm - Average rainfall in April:
88mm - Average rainfall in May:
126mm - Average rainfall in June:
124mm
The wettest month (with the highest rainfall) is May (126mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days
Castro, Chile
- Average rainfall days in January:
14.9 days - Average rainfall days in February:
13.6 days - Average rainfall days in March:
16.7 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
20.8 days - Average rainfall days in June:
19.9 days
- Average rainfall days in July:
20.6 days - Average rainfall days in August:
21.7 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
18.1 days - Average rainfall days in November:
17.5 days - Average rainfall days in December:
17.2 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is February (13.6 days).
Average daylight / Average sunshine
Castro, Chile
- Average daylight in January:
14h and 5min - Average daylight in February:
13h and 4min - Average daylight in March:
12h and 2min - Average daylight in April:
10h and 5min - Average daylight in May:
9h and 4min - Average daylight in June:
9h and 1min
- Average daylight in July:
9h and 2min - Average daylight in August:
10h and 3min - Average daylight in September:
11h and 5min - Average daylight in October:
13h and 2min - Average daylight in November:
14h and 4min - Average daylight in December:
15h and 1min
The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 6min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
7h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
5h and 5min - Average sunshine in May:
4h and 3min - Average sunshine in June:
3h and 3min
- Average sunshine in July:
3h and 4min - Average sunshine in August:
4h and 3min - Average sunshine in September:
5h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
6h and 0min - Average sunshine in December:
7h and 2min
The month with the most sunshine is January (Average sunshine: 8h and 24min).
The month with the least sunshine is June (Average sunshine: 3h and 30min).
Average sunshine days
Castro, Chile
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
11 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
9.6 days - Average sunshine days in May:
8 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
7.2 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
9.9 days - Average sunshine days in November:
8.9 days - Average sunshine days in December:
10 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (7.2 days).
Average UV index
Castro, Chile
The months with the highest UV index are January, February, March and December (UV index 4).
The months with the lowest UV index are June, July and September (UV index 2).
Average cloud cover
Castro, Chile
The months with the most cloud cover are June and August (Cloud cover 64).
The month with the least cloud cover is January (Cloud cover 44).
Average visibility
Castro, Chile
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Castro, Chile
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