The best times to visit Isabela Island for ideal weather are

May 7th to January 28th

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



Other Isabela Island Travel Info

Weather in Isabela Island


Average temperatures in Isabela Island vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 29th 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 Isabela Island, the hottest months are March, April, and then February. See average monthly temperatures below. The warmest time of year is generally early March where highs are regularly around 88.7°F (31.5°C) with temperatures rarely dropping below 78.3°F (25.7°C) at night.

Isabela Island Temperatures (Fahrenheit)


Isabela Island 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.

Isabela Island Perceived Temperature (F)


Isabela Island Perceived Temperature (C)



Average Isabela Island 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 87 80 73.9
Feb 87.2 80.9 75.3
Mar 87.9 82 76.6
Apr 87.5 81.5 76.1
May 87.6 80.6 74.7
Jun 87.2 80.2 73.9
Jul 85.1 78 71.7
Aug 83 75.7 69.6
Sep 83.1 75.7 69.1
Oct 83.2 76.2 69.4
Nov 84.3 77.7 71
Dec 86.5 79.2 73.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.6 26.7 23.3
Feb 30.7 27.2 24.1
Mar 31.1 27.8 24.8
Apr 30.8 27.5 24.5
May 30.9 27 23.7
Jun 30.7 26.8 23.3
Jul 29.5 25.6 22.1
Aug 28.3 24.3 20.9
Sep 28.4 24.3 20.6
Oct 28.4 24.6 20.8
Nov 29.1 25.4 21.7
Dec 30.3 26.2 22.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Isabela Island are January, July, and then September. 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 February with an average of 2 days of significant precipitation the week of February 12th.

When can you find snow in Isabela Island? 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 Isabela Island.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Isabela Island (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 0.1
Feb 17% 0 3
Mar 11% 0 1.2
Apr 12% 0 2.2
May 6% 0 1.3
Jun 1% 0 0.1
Jul 0% 0 0
Aug 1% 0 0
Sep 0% 0 0
Oct 0% 0 0
Nov 0% 0 0
Dec 4% 0 0.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0.3
Feb 17 0 7.6
Mar 11 0 3
Apr 12 0 5.6
May 6 0 3.3
Jun 1 0 0.3
Jul 0 0 0
Aug 1 0 0
Sep 0 0 0
Oct 0 0 0
Nov 0 0 0
Dec 4 0 1.3


Humidity and Wind

Isabela Island has some very humid months, and above average humidity throughout the year. The least humid month is November (63.6% relative humidity), and the most humid month is April (73.2%).

Wind in Isabela Island is usually moderate. The windiest month is September, followed by August and July. September’s average wind speed of around 12 knots (13.9 MPH or 22.3 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid June where average top sustained speeds reach 17.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 10.3 Gentle breeze 14.2 Significant breeze
Feb 7.8 Gentle breeze 11.2 Significant breeze
Mar 7.3 Gentle breeze 10.2 Significant breeze
Apr 8.8 Gentle breeze 12.7 Significant breeze
May 11 Significant breeze 15.2 Significant breeze
Jun 11.6 Significant breeze 15.5 Significant breeze
Jul 11.8 Significant breeze 15.8 Significant breeze
Aug 11.8 Significant breeze 16.4 Significant breeze
Sep 12 Significant breeze 16.6 Significant breeze
Oct 11.4 Significant breeze 16 Significant breeze
Nov 11.7 Significant breeze 15.8 Significant breeze
Dec 10.8 Gentle breeze 14.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 67.6%
Feb 71.7%
Mar 71.5%
Apr 73.2%
May 70%
Jun 67.8%
Jul 66.4%
Aug 65.9%
Sep 65.7%
Oct 64.4%
Nov 63.6%
Dec 65.5%


Is it Safe to Travel to Isabela Island?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Ecuador; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 07, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Isabela Island, Ecuador is July, followed by January and September. 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 Isabela Island in November. 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 21.8 in November means 21.8% of the tourists vs. July.



Overall Isabela Island Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 88.7°F (31.5°C) and 86.5°F (30.3°C) with similar temperatures in the later months. Rain is rare with 2 to 4 days of significant precipitation per month. 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 very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Isabela Island, so lodging and other accommodations may cost more than usual.

Spring (September through November)

Spring daily highs range from 85.3°F (29.6°C) and 82.3°F (27.9°C), which will feel very nice given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Summer (December through February)

Weather is perfect this time of year in Isabela Island to be enjoyable for warm weather travelers. The average high during this season is between 88.2°F (31.2°C) and 85.5°F (29.7°C). On average, it rains or snows a smalll amount: 0 to 5 times per month. These times of year are fairly slow with tourists.


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