Alajuela monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Alajuela

Alajuela average temperature chart (Celsius) Alajuela average temperature chart (Fahrenheit)
Average monthly temperatures in Alajuela (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.1 24.8 25.8 26.4 25.8 25.1 24.9 24.9 24.9 24.8 24.5 24.2
°F 75.4 76.6 78.5 79.5 78.4 77.2 76.8 76.9 76.8 76.7 76 75.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Alajuela monthly rainfall chart (mm) Alajuela monthly rainfall chart (inches)
Average monthly rainfall in Alajuela (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 19 15 32 109 391 400 283 386 498 489 221 61
inches 0.8 0.6 1.2 4.3 15.4 15.7 11.1 15.2 19.6 19.2 8.7 2.4
Rainy days 12 9 8 10 19 24 23 23 24 23 18 15

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Alajuela

Alajuela average daily sunshine chart
Average daily sunshine Alajuela
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.3 7.7 7.8 7.6 6.9 6.8 6.7 6.5 6.2 6.1 6.4 6.9

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Alajuela average minimum / maximum temperatures (Celsius) Alajuela average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Alajuela (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 16.1 16 16.8 17.6 17.8 17.7 17.8 17.7 17.8 17.4 17 16.6
Max °C 24.3 25 26.1 26.6 26 25.3 25.1 25.1 25.1 25 24.7 24.4
Min °F 61 60.8 62.2 63.7 64 63.9 64 63.9 64 63.3 62.5 61.9
Max °F 68.4 68.9 70.5 71.8 71.4 70.7 70.5 70.5 70.5 70.2 69.4 68.9

Sea temperature

The graph below shows the average sea temperature.

Alajuela average sea temperature chart (Celsius) Alajuela average sea temperature chart (Fahrenheit)
Average sea temperature around Alajuela in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.8 27.8 28.2 28.8 29 28.9 28.6 28.7 28.8 28.5 28.1 27.9
°F 82 82.1 82.8 83.8 84.1 84 83.5 83.7 83.8 83.3 82.5 82.1

Wind speed

The graph below shows the average wind speed.

Alajuela average winspeed by month (km/h) Alajuela average winspeed by month (mph)
Average wind speed in Alajuela (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 25 23 21 19 13 12 14 13 10 11 14 20
mph 15 15 13 12 8 7 9 8 7 7 9 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Alajuela relative humidity averages
Average relative humidity in Alajuela
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 76% 76% 78% 82% 83% 84% 84% 85% 85% 83% 80%

Other monthly averages

UV index Best time to go?

Alajuela weather stats

Alajuela weather statistics
Hottest month: April 26.4°C 79.5°F
Driest month: February 15mm 0.6ins
Sunniest month: February 7.7hrs
Coldest month: January 24.1°C 75.4°F
Wettest month: September 498mm 19.6ins
Warmest sea: May 29°C 84.2°F
Map showing location of Alajuela (10.01667, -84.21667)

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