The best times to visit Castro for ideal weather are

December 17th to March 18th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Castro Travel Info

Weather in Castro


Average temperatures in Castro vary somewhat. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 43rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Castro, the hottest months are February, January, and then March. See average monthly temperatures below. The warmest time of year is generally mid January where highs are regularly around 70.8°F (21.6°C) with temperatures rarely dropping below 51.9°F (11.1°C) at night.

Castro Temperatures (Fahrenheit)


Castro Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Castro Perceived Temperature (F)


Castro Perceived Temperature (C)



Average Castro Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 66.3 56.9 48.4
Feb 66.7 58.1 49.9
Mar 62.4 55.2 47.3
Apr 58.3 51.8 45.5
May 53.4 48.7 44
Jun 49.6 44.5 39.8
Jul 48.4 43.3 38.7
Aug 49.7 44.5 39.8
Sep 52 45 38.5
Oct 55.7 48.3 41.5
Nov 58.4 50.9 44
Dec 63.1 54.8 46.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 19.1 13.8 9.1
Feb 19.3 14.5 9.9
Mar 16.9 12.9 8.5
Apr 14.6 11 7.5
May 11.9 9.3 6.7
Jun 9.8 6.9 4.3
Jul 9.1 6.3 3.7
Aug 9.8 6.9 4.3
Sep 11.1 7.2 3.6
Oct 13.2 9.1 5.3
Nov 14.7 10.5 6.7
Dec 17.3 12.7 8.3


Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Castro.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Castro (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 0% 0 0
Apr 0% 0 0
May 0% 0 0
Jun 0% 0 0
Jul 0% 0 0
Aug 0% 0 0
Sep 0% 0 0
Oct 0% 0 0
Nov 0% 0 0
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 0 0 0
Apr 0 0 0
May 0 0 0
Jun 0 0 0
Jul 0 0 0
Aug 0 0 0
Sep 0 0 0
Oct 0 0 0
Nov 0 0 0
Dec 0 0 0


Humidity and Wind

Castro has some extremely humid months, and above average humidity throughout the year. The least humid month is February (66.9% relative humidity), and the most humid month is June (89.8%).

Wind in Castro is usually moderate. The windiest month is August, followed by May and July. August’s average wind speed of around 8.5 knots (9.8 MPH or 15.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late May to early June where average top sustained speeds reach 19.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Castro.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.8 Light breeze 12.2 Significant breeze
Feb 7.6 Gentle breeze 12.5 Significant breeze
Mar 7.4 Gentle breeze 12.5 Significant breeze
Apr 6.9 Light breeze 11.5 Significant breeze
May 8.4 Gentle breeze 14.1 Significant breeze
Jun 7.7 Gentle breeze 13.9 Significant breeze
Jul 8.2 Gentle breeze 14.2 Significant breeze
Aug 8.5 Gentle breeze 15.3 Significant breeze
Sep 7.5 Gentle breeze 13.6 Significant breeze
Oct 7.6 Gentle breeze 13.1 Significant breeze
Nov 7.8 Gentle breeze 13.5 Significant breeze
Dec 7.2 Gentle breeze 12.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68.9%
Feb 66.9%
Mar 70.4%
Apr 82.8%
May 87.9%
Jun 89.8%
Jul 89.7%
Aug 85.8%
Sep 78.9%
Oct 74.9%
Nov 74.4%
Dec 69.6%


Is it Safe to Travel to Castro?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for Chile; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Castro, Chile is January, followed by March and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Castro in July. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 54.8 in July means 54.8% of the tourists vs. January.



Overall Castro Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 66.7°F (19.3°C) and 51.7°F (10.9°C) with colder temperatures in the later months. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have cold weather with high temperatures that are still jacket weather. June – August is the slowest season for tourism in Castro, so lodging and other accommodations may cost less than usual.

Spring (September through November)

Spring daily highs range from 61.7°F (16.5°C) and 50.9°F (10.5°C), which will feel chilly given the humidity and wind. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Summer (December through February)

Weather is somewhat cool this time of year in Castro to be enjoyable for warm weather travelers. The average high during this season is between 70.8°F (21.6°C) and 62.5°F (16.9°C). These times of year are the busiest with tourists.


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