The best times to visit San Juan for ideal weather are
November 19th to April 1st
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Juan Travel Guide
Other San Juan Travel Info
Weather in San Juan
Average temperatures in San Juan vary very little. Considering humidity, temperatures feel very enjoyable all year with a fair chance of precipitation about half of the year. The area is more temperate than most — in the 79th 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 Juan, the hottest months are April, May, and then June. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 78.1°F (25.6°C) with temperatures rarely dropping below 60.6°F (15.9°C) at night.
San Juan Temperatures (Fahrenheit)
San Juan 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.
San Juan Perceived Temperature (F)
San Juan Perceived Temperature (C)
Average San Juan 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 San Juan are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late December. For example, on the week of December 24th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late July with an average of 6 days of significant precipitation the week of July 23rd.
When can you find snow in San Juan? 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 Juan.
Snow on the Ground
The graph below shows the average snow on the ground in San Juan (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
San Juan has some extremely humid months, and high humidity throughout the year. The least humid month is March (80.3% relative humidity), and the most humid month is August (90.6%).
Wind in San Juan is usually extremely calm. The windiest month is August, followed by June and October. August’s average wind speed of around 4 knots (4.6 MPH or 7.4 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 early to mid August where average top sustained speeds reach 8.3 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Juan.
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||3.6||Barely noticeable||6.6||Light breeze|
|Feb||3.2||Barely noticeable||5.9||Light breeze|
|Mar||3||Barely noticeable||5.7||Light breeze|
|Apr||2.8||Barely noticeable||5||Light breeze|
|May||2.9||Barely noticeable||5.3||Light breeze|
|Jun||3.6||Barely noticeable||6.3||Light breeze|
|Jul||3.4||Barely noticeable||6||Light breeze|
|Aug||4||Light breeze||6.9||Light breeze|
|Sep||3.2||Barely noticeable||5.9||Light breeze|
|Oct||3.6||Barely noticeable||6.6||Light breeze|
|Nov||3.4||Barely noticeable||6.2||Light breeze|
|Dec||3.4||Barely noticeable||6||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to San Juan?
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 San Juan, the Philippines is January, followed by November 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 Juan 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
Overall San Juan Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 78.1°F (25.6°C) and 75.2°F (24°C) with similar temperatures in the later months. Rain is somewhat common with 4 to 14 days of significant precipitation per month. Spring is the second 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 comfortable. These months see the most precipitation with 18 to 21 days of precipitation per month. June – August is the slowest season for tourism in San Juan, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 75.3°F (24.1°C) and 72.4°F (22.4°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 5 to 19 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is somewhat cool this time of year in San Juan to be enjoyable for warm weather travelers. The average high during this season is between 75.4°F (24.1°C) and 72.2°F (22.3°C). On average, it rains or snows a smalll amount: 1 to 3 times per month. These times of year are the busiest with tourists.