24 to 28°C
temperature
2896 hours
sunshine per day
2172 mm
rain
82 days
dry
283 days
rain
0 days
snow

Climate of Alajuela

Alajuela has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Alajuela is 25° degrees and there is about 2171 mm of rain in a year. It is dry for 56 days a year with an average humidity of 83% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 24°C and 28°C
  • Night:the average nighttime temperature is between 15°C and 18°C
  • Rain: it rains 283 days and there is a total of approximately 2172 mm rainfall
  • Sun hours: throughout the year there are 2896 sun hours
Maximum temperature: between 24°C and 28°C
Warmest month: 28°C in March
Coldest month: 24°C in June
Night temperature: between 15°C and 18°C
Dry days: 82 days
Days with rain: 283 days
Days with snow: 0 days
Total rain sum: 2172 mm
Hours of sunshine: 2896 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Alajuela.

Precipitation graph

This graph shows the average amount of rainfall per month for Alajuela.

Climate table of Alajuela

In this climate table you can see at a glance what the average weather per month is for Alajuela. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Alajuela might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 26 27 28 27 26 24 25 25 24 24 24 25
Night temp. (°C) 15 15 16 17 18 18 18 18 18 18 17 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 26 26 31 94 286 317 245 257 290 377 165 58
Days with rain 14 12 16 20 28 29 29 28 29 30 28 20
Dry days 17 16 15 10 3 1 2 3 1 1 2 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 9 9 9 9 8 7 8 7 7 6 7 8
Wind force (Bft) 2 2 2 2 1 1 2 1 1 1 2 2
UV-index 5 5 6 6 5 5 5 5 5 5 5 5

Best time to visit Alajuela

The best time to visit Alajuela in Costa Rica is from January through April and December. In this period you have a warm temperature and little precipitation. The highest average temperature in Alajuela is 28°C in March and the lowest is 24°C in June.

Climate of Alajuela by month

What is the average climate in a given month for Alajuela? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Alajuela weather experiences

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