Alajuela weather in February
In February, Alajuela sees average daytime highs of 25°C and overnight lows near 16°C, with 20 mm of rain across 4.1 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 50% of the time in February, and the air most often feels comfortable.
Daylight stretches from about 11 h 36 min at the start of February to 11 h 48 min by month's end. Set against the rest of the year, February is Alajuela's 1st-clearest and 2nd-windiest month. For the whole year in context, see Alajuela's year-round climate.
- Daytime high
- 25°
- 4th warmest
- Overnight low
- 16°
- 2nd coldest
- Rainfall
- 20 mm
- 4.1 wet days
- Daylight
- 11 h 42 min
- 6:01 AM – 5:42 PM
- Cloud cover
- 43%
- 1st clearest
- Wind
- 9 km/h
- 2nd windiest
- Solar energy
- 5.53 kWh/m²
- Travel score
- 8.0
- out of 10
- Air quality
- Good
- PM10 18 µg/m³ · 2018
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Day-to-day highs hold fairly steady near 25°C through the month.
A typical February day in Alajuela reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, February runs on par with January and about 1°C cooler than March.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 16 |
| 2 | 25 | 16 |
| 3 | 25 | 16 |
| 4 | 25 | 16 |
| 5 | 25 | 16 |
| 6 | 25 | 16 |
| 7 | 25 | 16 |
| 8 | 25 | 16 |
| 9 | 25 | 16 |
| 10 | 25 | 16 |
| 11 | 25 | 16 |
| 12 | 25 | 16 |
| 13 | 25 | 16 |
| 14 | 25 | 16 |
| 15 | 25 | 16 |
| 16 | 25 | 16 |
| 17 | 25 | 16 |
| 18 | 25 | 16 |
| 19 | 25 | 16 |
| 20 | 25 | 16 |
| 21 | 25 | 16 |
| 22 | 26 | 16 |
| 23 | 26 | 16 |
| 24 | 26 | 16 |
| 25 | 26 | 16 |
| 26 | 26 | 16 |
| 27 | 26 | 16 |
| 28 | 26 | 16 |
Alajuela weather by month
How February compares with the rest of the year at a glance. February is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 16° | 29 | 5.8 | 11.5 | 7.8 |
| Feb | 25° / 16° | 20 | 4.1 | 11.7 | 8.0 |
| Mar | 26° / 17° | 20 | 5.2 | 11.9 | 7.5 |
| Apr | 27° / 17° | 62 | 11.2 | 12.2 | 6.2 |
| May | 25° / 18° | 333 | 24.7 | 12.5 | 4.2 |
| Jun | 25° / 18° | 390 | 27.3 | 12.6 | 3.8 |
| Jul | 24° / 18° | 267 | 25 | 12.5 | 4.3 |
| Aug | 25° / 18° | 352 | 26.4 | 12.3 | 4.0 |
| Sep | 24° / 17° | 424 | 28.3 | 12.1 | 3.7 |
| Oct | 24° / 17° | 444 | 28.8 | 11.8 | 3.8 |
| Nov | 24° / 17° | 224 | 21.5 | 11.5 | 4.8 |
| Dec | 24° / 17° | 72 | 10.8 | 11.4 | 6.9 |
Cloud cover in February
The sky is clear or mostly clear about 50% of the time in February, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 27% of February, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 80 | 79 | 79 | 79 | 79 | 79 | 78 | 78 | 78 | 78 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 |
| Cloudier (%) | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 80 | 20 |
| 2 | 79 | 21 |
| 3 | 79 | 21 |
| 4 | 79 | 21 |
| 5 | 79 | 21 |
| 6 | 79 | 21 |
| 7 | 78 | 22 |
| 8 | 78 | 22 |
| 9 | 78 | 22 |
| 10 | 78 | 22 |
| 11 | 77 | 23 |
| 12 | 76 | 24 |
| 13 | 76 | 24 |
| 14 | 76 | 24 |
| 15 | 76 | 24 |
| 16 | 76 | 24 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 75 | 25 |
| 20 | 74 | 26 |
| 21 | 74 | 26 |
| 22 | 74 | 26 |
| 23 | 74 | 26 |
| 24 | 74 | 26 |
| 25 | 74 | 26 |
| 26 | 74 | 26 |
| 27 | 75 | 25 |
| 28 | 75 | 25 |
Chance of precipitation in February
Alajuela gets around 20 mm of rain over 4.1 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 14% and peaks near 15% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 12 |
| 3 | 12 |
| 4 | 13 |
| 5 | 13 |
| 6 | 13 |
| 7 | 14 |
| 8 | 14 |
| 9 | 15 |
| 10 | 15 |
| 11 | 15 |
| 12 | 15 |
| 13 | 15 |
| 14 | 15 |
| 15 | 15 |
| 16 | 15 |
| 17 | 15 |
| 18 | 15 |
| 19 | 15 |
| 20 | 15 |
| 21 | 15 |
| 22 | 15 |
| 23 | 15 |
| 24 | 15 |
| 25 | 15 |
| 26 | 15 |
| 27 | 15 |
| 28 | 15 |
Humidity in February
Most of February feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the comfortable band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 18 |
| Comfortable (%) | 66 | 66 | 66 | 66 | 65 | 64 | 64 | 64 | 63 | 63 | 64 | 64 | 64 | 62 | 62 | 61 | 61 | 59 | 58 | 58 | 58 | 57 | 57 | 55 | 55 | 56 | 56 | 57 |
| Humid (%) | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 17 | 66 | 16 | 1 |
| 2 | 17 | 66 | 16 | 1 |
| 3 | 17 | 66 | 16 | 1 |
| 4 | 17 | 66 | 16 | 1 |
| 5 | 17 | 65 | 17 | 1 |
| 6 | 18 | 64 | 17 | 1 |
| 7 | 18 | 64 | 17 | 1 |
| 8 | 18 | 64 | 17 | 1 |
| 9 | 18 | 63 | 18 | 1 |
| 10 | 18 | 63 | 18 | 1 |
| 11 | 18 | 64 | 18 | 0 |
| 12 | 17 | 64 | 19 | 0 |
| 13 | 17 | 64 | 19 | 0 |
| 14 | 17 | 62 | 20 | 1 |
| 15 | 17 | 62 | 20 | 1 |
| 16 | 17 | 61 | 21 | 1 |
| 17 | 17 | 61 | 21 | 1 |
| 18 | 18 | 59 | 22 | 1 |
| 19 | 18 | 58 | 23 | 1 |
| 20 | 18 | 58 | 23 | 1 |
| 21 | 18 | 58 | 23 | 1 |
| 22 | 18 | 57 | 24 | 1 |
| 23 | 18 | 57 | 24 | 1 |
| 24 | 19 | 55 | 24 | 2 |
| 25 | 19 | 55 | 24 | 2 |
| 26 | 18 | 56 | 24 | 2 |
| 27 | 18 | 56 | 24 | 2 |
| 28 | 18 | 57 | 23 | 2 |
Wind in February
Winds average 9 km/h in February.
Across February, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
Sunrise & sunset in February
Daylight runs from about 11 h 36 min at the start of February to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over February. Sunrise moves from 6:03 AM to 5:57 AM, and sunset from 5:37 PM to 5:44 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 |
| Sunset (PM) | 5:37 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:44 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:03 | 5:37 |
| 2 | 11.6 | 6:03 | 5:38 |
| 3 | 11.6 | 6:03 | 5:38 |
| 4 | 11.6 | 6:03 | 5:38 |
| 5 | 11.6 | 6:03 | 5:39 |
| 6 | 11.6 | 6:03 | 5:39 |
| 7 | 11.6 | 6:03 | 5:39 |
| 8 | 11.6 | 6:03 | 5:40 |
| 9 | 11.6 | 6:03 | 5:40 |
| 10 | 11.6 | 6:02 | 5:40 |
| 11 | 11.6 | 6:02 | 5:41 |
| 12 | 11.6 | 6:02 | 5:41 |
| 13 | 11.7 | 6:02 | 5:41 |
| 14 | 11.7 | 6:02 | 5:41 |
| 15 | 11.7 | 6:01 | 5:42 |
| 16 | 11.7 | 6:01 | 5:42 |
| 17 | 11.7 | 6:01 | 5:42 |
| 18 | 11.7 | 6:00 | 5:42 |
| 19 | 11.7 | 6:00 | 5:42 |
| 20 | 11.7 | 6:00 | 5:43 |
| 21 | 11.7 | 5:59 | 5:43 |
| 22 | 11.7 | 5:59 | 5:43 |
| 23 | 11.7 | 5:59 | 5:43 |
| 24 | 11.7 | 5:58 | 5:43 |
| 25 | 11.8 | 5:58 | 5:43 |
| 26 | 11.8 | 5:58 | 5:44 |
| 27 | 11.8 | 5:57 | 5:44 |
| 28 | 11.8 | 5:57 | 5:44 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 5.53 kWh/m².
For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.95 kWh/m² in March across the year — February's 5.53 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.7 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
Hazard calendar for Alajuela
None of Alajuela's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Alajuela's rainy season runs May–November, when most of the year's rain falls.
Is February a good time to visit Alajuela?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is one of the better times to visit Alajuela for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Alajuela in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Alajuela sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes and sun protection. About 4 days see rain.
Sea temperature near Alajuela in February
The nearest coast averages about 29°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 48 km away) is warmest in April at about 29°C and coldest in November near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Alajuela in February
Clear-sky midday UV in February peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Alajuela peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 14 | 14 | 14 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in Alajuela in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Alajuela is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 11 | 17 | 19 | 17 | 18 | 17 | 16 | 14 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Alajuela?
Alajuela sits at 10.0°N, 84.2°W, 955 m above sea level, in Costa Rica. The nearest listed city is Mercedes Norte, 9.0 km away.
Topography around Alajuela
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alajuela.
Within 3 km, the terrain around Alajuela has only modest variations in elevation — a maximum elevation change of 200 m around an average of 945 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,297 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,470 m.
The land around Alajuela is covered by artificial surfaces (48%) and trees (32%) within 3 km, trees (56%), grassland (23%) and artificial surfaces (20%) within 16 km, and trees (68%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Alajuela (10.0172°, -84.2127°, elevation 955 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).