The best times to visit San Fernando for ideal weather are
October 15th to April 8th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Fernando Travel Guide
Other San Fernando Travel Info
Weather in San Fernando
Temperature
Average temperatures in San Fernando vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 55th 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 San Fernando, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally early to mid January where highs are regularly around 88.4°F (31.3°C) with temperatures rarely dropping below 55.4°F (13°C) at night.
San Fernando Temperatures (Fahrenheit)
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San Fernando Temperatures (Celsius)
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“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.
San Fernando Perceived Temperature (F)
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San Fernando Perceived Temperature (C)
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Average San Fernando 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 | 88.1 | 74.9 | 55.8 |
| Feb | 86.2 | 72.5 | 54.4 |
| Mar | 81.3 | 68.6 | 50.9 |
| Apr | 71.2 | 58.1 | 44.6 |
| May | 61.8 | 52.4 | 43.4 |
| Jun | 55.8 | 48.1 | 41.1 |
| Jul | 54.1 | 46.2 | 38.8 |
| Aug | 59.8 | 50.2 | 41.5 |
| Sep | 64.9 | 54.7 | 43.8 |
| Oct | 70.6 | 59.4 | 46.2 |
| Nov | 78.1 | 65.9 | 49.8 |
| Dec | 84.5 | 70.7 | 53 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 31.2 | 23.8 | 13.2 |
| Feb | 30.1 | 22.5 | 12.4 |
| Mar | 27.4 | 20.3 | 10.5 |
| Apr | 21.8 | 14.5 | 7 |
| May | 16.6 | 11.3 | 6.3 |
| Jun | 13.2 | 8.9 | 5.1 |
| Jul | 12.3 | 7.9 | 3.8 |
| Aug | 15.4 | 10.1 | 5.3 |
| Sep | 18.3 | 12.6 | 6.6 |
| Oct | 21.4 | 15.2 | 7.9 |
| Nov | 25.6 | 18.8 | 9.9 |
| Dec | 29.2 | 21.5 | 11.7 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Fernando are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 2 days of significant precipitation the week of August 6th.
When can you find snow in San Fernando? Weather stations report no annual snow. 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 San Fernando.
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Snow on the Ground
The graph below shows the average snow on the ground in San Fernando (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 1% | 0 | 0.1 |
| Feb | 1% | 0 | 0.2 |
| Mar | 1% | 0 | 0.1 |
| Apr | 3% | 0 | 0.3 |
| May | 9% | 0 | 1 |
| Jun | 11% | 0 | 1.8 |
| Jul | 13% | 0 | 2.8 |
| Aug | 15% | 0 | 2.9 |
| Sep | 10% | 0 | 1.2 |
| Oct | 7% | 0 | 1 |
| Nov | 3% | 0 | 0.3 |
| Dec | 2% | 0 | 0.6 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 1 | 0 | 0.3 |
| Feb | 1 | 0 | 0.5 |
| Mar | 1 | 0 | 0.3 |
| Apr | 3 | 0 | 0.8 |
| May | 9 | 0 | 2.5 |
| Jun | 11 | 0 | 4.6 |
| Jul | 13 | 0 | 7.1 |
| Aug | 15 | 0 | 7.4 |
| Sep | 10 | 0 | 3 |
| Oct | 7 | 0 | 2.5 |
| Nov | 3 | 0 | 0.8 |
| Dec | 2 | 0 | 1.5 |
Humidity and Wind
San Fernando has some very humid months, with other moderately humid months on the other side of the year. The least humid month is January (42.2% relative humidity), and the most humid month is June (78%).
Wind in San Fernando is usually calm. The windiest month is January, followed by November and December. January’s average wind speed of around 6.7 knots (7.7 MPH or 12.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late November to early December where average top sustained speeds reach 11 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Fernando.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 6.7 | Light breeze | 10.6 | Gentle breeze |
| Feb | 6.2 | Light breeze | 9.8 | Gentle breeze |
| Mar | 5.8 | Light breeze | 9.2 | Gentle breeze |
| Apr | 5 | Light breeze | 8 | Gentle breeze |
| May | 4.5 | Light breeze | 7.4 | Gentle breeze |
| Jun | 5 | Light breeze | 8.1 | Gentle breeze |
| Jul | 4.8 | Light breeze | 7.8 | Gentle breeze |
| Aug | 5.2 | Light breeze | 8.7 | Gentle breeze |
| Sep | 5.2 | Light breeze | 8.5 | Gentle breeze |
| Oct | 5.9 | Light breeze | 9.4 | Gentle breeze |
| Nov | 6.7 | Light breeze | 10.1 | Gentle breeze |
| Dec | 6.6 | Light breeze | 10.5 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 42.2% |
| Feb | 43.9% |
| Mar | 45.5% |
| Apr | 58.3% |
| May | 73.2% |
| Jun | 78% |
| Jul | 76.9% |
| Aug | 70.7% |
| Sep | 62.3% |
| Oct | 55.6% |
| Nov | 46.2% |
| Dec | 43.4% |
Is it Safe to Travel to San Fernando?
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 San Fernando, Chile is November, followed by September and December. 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 San Fernando in May. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall San Fernando Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 84.5°F (29.2°C) and 58.3°F (14.6°C) with colder temperatures in the later months. Rain is rare with 0 to 3 days of significant precipitation per month. Fall is fairly slow for tourism, which makes it a good time for those looking for deals.
Winter (June through August)
The middle-year months have cold weather with high temperatures that are brisk. These months see the most precipitation with 3 to 5 days of precipitation per month. June – August is the slowest season for tourism in San Fernando, so lodging and other accommodations may cost less than usual.
Spring (September through November)
Spring daily highs range from 81.7°F (27.6°C) and 63.6°F (17.6°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 3 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Summer (December through February)
Weather is perfect this time of year in San Fernando to be enjoyable for warm weather travelers. The average high during this season is between 88.4°F (31.3°C) and 82.7°F (28.2°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the second busiest with tourists.
Best Times to Travel› Chile › San Fernando, Chile