Alajuela Weather in April
Alajuela in April sees high temperatures, with highs around 27°C (81°F) and overnight lows of 17°C (63°F). Rainfall is fairly high at around 78 mm (3.1 in) on average, so pack waterproofs just in case.
Rainfall in Alajuela in April
Historically, the month has about 10 days of rain, averaging 78 mm (3.1 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Alajuela in April
April tends to be one of the perfect months in Alajuela, with 27°C (81°F) in the afternoon and 17°C (63°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Alajuela in April
Expect sunny days throughout the month, with an estimated 241 hours of sunshine. This makes it a pleasant time to visit Alajuela.If your ideal day consists of dry skies and pleasant temperatures, January, February, March and April typically offer the best circumstances for Alajuela.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Alajuela's climate page.
Alajuela Temperature in April
Min Temperature
17°C (63°F)
Max Temperature
27°C (81°F)
Chance of Rain
34%
Precipitation
78 mm (3.1 in)
Rainy days
10 days
Humidity
70% *
Sunshine
241 hours *
Percentage Sunshine
*
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Alajuela typically stay consistent throughout April, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in April
Daily Historical Precipitation
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Alajuela in April
Browse day-by-day weather records for Alajuela spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alajuela historical weather extremes in April
Based on 31 years of weather observations (1995-2026), these are the most extreme conditions recorded in Alajuela.
- The hottest April day on record in Alajuela reached 35°C (95°F) (April 5, 1998).
- The lowest daytime temperature in April was 22°C (72°F), recorded on April 29, 1995.
- Nighttime temperatures dropped to 12°C (54°F) on April 19, 2011, marking the coldest April night on record.
Best Places in Costa Rica in April
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Alajuela in April
Warm but pleasant conditions in Alajuela in April. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Alajuela in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Alajuela's climate page.
Temperature Rainfall Sunshine Humidity
See the full Alajuela climate overview or explore weather in Costa Rica.
