The best times to visit the Alajuela Province for ideal weather are

January 1st 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.



Other the Alajuela Province Travel Info

Weather in the Alajuela Province


Average temperatures in the Alajuela Province vary barely at all. Considering humidity, temperatures feel hot for most of the 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 the Alajuela Province, the hottest months are April, March, and then May. See average monthly temperatures below. The warmest time of year is generally late March where highs are regularly around 87.8°F (31°C) with temperatures rarely dropping below 68.7°F (20.4°C) at night.

the Alajuela Province Temperatures (Fahrenheit)


the Alajuela Province 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.

the Alajuela Province Perceived Temperature (F)


the Alajuela Province Perceived Temperature (C)



Average the Alajuela Province 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 83.4 76.4 67.4
Feb 84.8 77.3 67
Mar 86.2 78.9 68.9
Apr 87.1 79.6 70.2
May 85.2 78.4 70.6
Jun 84.2 77.6 70.4
Jul 84 77.6 70.7
Aug 84.2 77.4 69.8
Sep 84.6 76.7 68.7
Oct 83.2 75.9 68.4
Nov 82.7 75.6 67.7
Dec 83.1 76 67.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 28.6 24.7 19.7
Feb 29.3 25.2 19.4
Mar 30.1 26.1 20.5
Apr 30.6 26.4 21.2
May 29.6 25.8 21.4
Jun 29 25.3 21.3
Jul 28.9 25.3 21.5
Aug 29 25.2 21
Sep 29.2 24.8 20.4
Oct 28.4 24.4 20.2
Nov 28.2 24.2 19.8
Dec 28.4 24.4 19.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in the Alajuela Province are March, February, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late March. For example, on the week of March 26th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late September with an average of 3 days of significant precipitation the week of September 24th.

When can you find snow in the Alajuela Province? 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 the Alajuela Province.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in the Alajuela Province (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 8% 0 2
Feb 7% 0 1.5
Mar 6% 0 1.4
Apr 14% 0 3
May 24% 0 5.9
Jun 30% 0 6.3
Jul 24% 0 5.7
Aug 25% 0 5.5
Sep 37% 0 8.3
Oct 34% 0 8
Nov 26% 0 6.3
Dec 13% 0 3.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 8 0 5.1
Feb 7 0 3.8
Mar 6 0 3.6
Apr 14 0 7.6
May 24 0 15
Jun 30 0 16
Jul 24 0 14.5
Aug 25 0 14
Sep 37 0 21.1
Oct 34 0 20.3
Nov 26 0 16
Dec 13 0 8.4


Humidity and Wind

the Alajuela Province has some very humid months, with other comfortably humid months. The least humid month is February (51.6% relative humidity), and the most humid month is October (74%).

Wind in the Alajuela Province is usually moderate. The windiest month is January, followed by March and February. January’s average wind speed of around 11.2 knots (12.9 MPH or 20.8 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 early March where average top sustained speeds reach 16.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in the Alajuela Province.

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 11.2 Significant breeze 16.1 Significant breeze
Feb 10.7 Gentle breeze 15.7 Significant breeze
Mar 11 Significant breeze 15.8 Significant breeze
Apr 8.6 Gentle breeze 13.9 Significant breeze
May 7.1 Gentle breeze 12.5 Significant breeze
Jun 6.6 Light breeze 11.7 Significant breeze
Jul 7.2 Gentle breeze 12.2 Significant breeze
Aug 6.8 Light breeze 12.1 Significant breeze
Sep 5.7 Light breeze 11.1 Significant breeze
Oct 5.6 Light breeze 10.8 Gentle breeze
Nov 7.2 Gentle breeze 12.2 Significant breeze
Dec 9.1 Gentle breeze 14 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 54.3%
Feb 51.6%
Mar 52.7%
Apr 57.3%
May 67.3%
Jun 71.8%
Jul 69.5%
Aug 70.5%
Sep 71.8%
Oct 74%
Nov 68%
Dec 59.9%


Is it Safe to Travel to the Alajuela Province?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for Costa Rica; 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 Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in the Alajuela Province is January, followed by February and March. 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 the Alajuela Province in September. 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 58.4 in September means 58.4% of the tourists vs. January.



Overall the Alajuela Province Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 87.8°F (31°C) and 83.4°F (28.6°C) with similar temperatures in the later months. Rain is somewhat common with 2 to 8 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 moderate precipitation with 7 to 9 days of precipitation per month. June – August is fairly slow season for tourism in the Alajuela Province, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 84.7°F (29.3°C) and 82.2°F (27.9°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 8 to 11 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 the Alajuela Province to be enjoyable for warm weather travelers. The average high during this season is between 85.1°F (29.5°C) and 82.9°F (28.3°C). On average, it rains or snows a smalll amount: 2 to 4 times per month. These times of year are the busiest with tourists.


Best Times to Travel › the Alajuela Province