The best times to visit Rosario Islands for ideal weather are
December 24th to April 22nd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Rosario Islands Travel Guide
Other Rosario Islands Travel Info
Weather in Rosario Islands
Average temperatures in Rosario Islands vary barely at all. Considering humidity, temperatures feel hot all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 16th 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 Rosario Islands, the hottest months are June, September, and then July. See average monthly temperatures below. The warmest time of year is generally early June where highs are regularly around 91.4°F (33°C) with temperatures rarely dropping below 79.5°F (26.4°C) at night.
Rosario Islands Temperatures (Fahrenheit)
Rosario Islands Temperatures (Celsius)
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.
Rosario Islands Perceived Temperature (F)
Rosario Islands Perceived Temperature (C)
Average Rosario Islands 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Rosario Islands 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 late October to early November with an average of 2 days of significant precipitation the week of October 29th.
When can you find snow in Rosario Islands? 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 Rosario Islands.
Snow on the Ground
The graph below shows the average snow on the ground in Rosario Islands (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Rosario Islands has some very humid months, and high humidity throughout the year. The least humid month is February (74.2% relative humidity), and the most humid month is November (79.8%).
Wind in Rosario Islands is usually calm. The windiest month is March, followed by February and January. March’s average wind speed of around 7.3 knots (8.4 MPH or 13.4 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 early March where average top sustained speeds reach 15.6 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Rosario Islands.
The graph below shows wind speed (max and average) in knots.
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||6.1||Light breeze||13.6||Significant breeze|
|Feb||6.8||Light breeze||14.5||Significant breeze|
|Mar||7.3||Gentle breeze||14.7||Significant breeze|
|Apr||6.1||Light breeze||12.8||Significant breeze|
|May||5||Light breeze||11||Significant breeze|
|Jun||4.6||Light breeze||10.9||Gentle breeze|
|Jul||4.9||Light breeze||11.4||Significant breeze|
|Aug||4.8||Light breeze||11||Significant breeze|
|Sep||4.7||Light breeze||10.8||Significant breeze|
|Oct||4.5||Light breeze||10.3||Gentle breeze|
|Nov||4.6||Light breeze||10.5||Significant breeze|
|Dec||5.3||Light breeze||11.9||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Rosario Islands?
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 Colombia; 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 Sep 05, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Rosario Islands, Colombia is December, followed by June and July. 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 Rosario Islands in March. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Rosario Islands Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 90.5°F (32.5°C) and 87.8°F (31°C) with similar temperatures in the later months. Rain is rare with 0 to 5 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Rosario Islands, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 90.8°F (32.7°C) and 88.8°F (31.6°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 7 to 9 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Rosario Islands to be enjoyable for warm weather travelers. The average high during this season is between 89.5°F (31.9°C) and 87.6°F (30.9°C). On average, it rains or snows a smalll amount: 0 to 3 times per month. These times of year are the second busiest with tourists.