The best times to visit Rosario for ideal weather are
January 8th to April 29th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Rosario Travel Guide
Other Rosario Travel Info
Weather in Rosario
Average temperatures in Rosario vary very little. 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 12th 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, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally early May where highs are regularly around 94.7°F (34.8°C) with temperatures rarely dropping below 80.1°F (26.7°C) at night.
Rosario Temperatures (Fahrenheit)
Rosario 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 Perceived Temperature (F)
Rosario Perceived Temperature (C)
Average Rosario 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 are April, 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 late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early August with an average of 5 days of significant precipitation the week of July 30th.
When can you find snow in Rosario? 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.
Snow on the Ground
The graph below shows the average snow on the ground in Rosario (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 has some extremely humid months, and high humidity throughout the year. The least humid month is April (71% relative humidity), and the most humid month is September (81.8%).
Wind in Rosario is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7 knots (8 MPH or 12.9 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 January and early February where average top sustained speeds reach 11.7 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Rosario.
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||5.9||Light breeze||10.4||Gentle breeze|
|Feb||6.7||Light breeze||11.3||Significant breeze|
|Mar||6.9||Light breeze||11.4||Gentle breeze|
|Apr||7||Gentle breeze||11||Significant breeze|
|May||5.8||Light breeze||10.1||Gentle breeze|
|Jun||5.8||Light breeze||10.2||Gentle breeze|
|Jul||5.8||Light breeze||10.2||Gentle breeze|
|Aug||6.2||Light breeze||10.5||Gentle breeze|
|Sep||5.7||Light breeze||9.9||Gentle breeze|
|Oct||5.5||Light breeze||9.7||Gentle breeze|
|Nov||5.9||Light breeze||10.1||Gentle breeze|
|Dec||5.6||Light breeze||9.8||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Rosario?
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 the Philippines; 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 20, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Rosario, the Philippines is May, followed by April and January. 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 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
Overall Rosario Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 94.7°F (34.8°C) and 88.8°F (31.6°C) with warmer temperatures in the later months. Rain is somewhat common with 1 to 9 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 12 to 17 days of precipitation per month. June – August is fairly slow season for tourism in Rosario, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 89.5°F (31.9°C) and 88.1°F (31.2°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 6 to 16 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 to be enjoyable for warm weather travelers. The average high during this season is between 88.8°F (31.6°C) and 85.2°F (29.6°C). On average, it rains or snows a smalll amount: 2 to 6 times per month. These times of year are the second busiest with tourists.