Alajuela Weather in March
In Alajuela, March brings high daytime temperatures around 27°C (81°F), with nights cooling to 16°C (61°F). It is the driest month of the year, with minimal rainfall.
Rainfall in Alajuela in March
The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. Rain is expected on roughly 8 days, totalling around 36 mm (1.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Alajuela in March
March is one of the better months to visit Alajuela. Expect 27°C (81°F) during the day and 16°C (61°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 16°C (61°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 March
The city usually sees around 284 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit 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 March
Min Temperature
16°C (61°F)
Max Temperature
27°C (81°F)
Chance of Rain
27%
Precipitation
36 mm (1.4 in)
Rainy days
8 days
Humidity
66% *
Sunshine
284 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Alajuela typically stay consistent throughout March, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in March
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Alajuela in March
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 March
According to our 32 years of weather records for Alajuela, the following extremes were recorded between 1994 and 2026.
- The hottest March day on record in Alajuela reached 36°C (97°F) (March 26, 1997).
- The lowest daytime temperature in March was 20°C (68°F), recorded on March 17, 1996.
- Nighttime temperatures dropped to 14°C (57°F) on March 18, 1996, marking the coldest March night on record.
Best Places in Costa Rica in March
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 March →
perfect weather
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What to Wear in Alajuela in March
Warm temperatures in March make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Alajuela in March
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.
