Climate & Weather in Alajuela, 🇨🇷 Costa Rica - Monthly Averages, Forecast & Air Quality
🇨🇷 Alajuela,
Costa Rica
#929
Nomad Score
6.2
Coords
10.0165053, -84.2138674
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CURRENT CONDITIONS
Temperature
28.1°C
/
20.7°C
Feels Like
32.8°C / 24.5°C
Weather
⛈️ Thunderstorm
Humidity
%
Wind
11.1 km/h
(gusts 32.0)
UV Index
9.3
Sunrise / Sunset
05:26
/
17:39
Daylight
12.2 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sat 12 Sep | ⛈️ Thunderstorm | 28.1° | 20.7° | 99% |
| Sun 13 Sep | 🌧️ Slight rain showers | 28.1° | 20.2° | 93% |
| Mon 14 Sep | ⛈️ Thunderstorm | 25.3° | 19.8° | 96% |
| Tue 15 Sep | ⛈️ Thunderstorm | 25.2° | 19.4° | 100% |
| Wed 16 Sep | ⛈️ Thunderstorm | 26.1° | 18.4° | 98% |
| Thu 17 Sep | 🌧️ Dense drizzle | 26.4° | 18.6° | 99% |
| Fri 18 Sep | ⛈️ Thunderstorm | 25.4° | 19.5° | 100% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| January | Excellent | 28.3°C | 17.4°C | 6.0 |
| February | Good | 29.4°C | 18.2°C | 4.9 |
| December | Good | 27.3°C | 17.4°C | 9.3 |
| August | Good | 26.3°C | 17.9°C | 27.7 |
| July | Good | 26.6°C | 18.3°C | 24.0 |
| June | Good | 25.8°C | 18.3°C | 29.0 |
| September | Good | 25.9°C | 17.9°C | 30.0 |
| October | Good | 25.4°C | 17.8°C | 29.4 |
| November | Good | 25.5°C | 17.8°C | 25.0 |
| March | Good | 30.4°C | 18.0°C | 8.7 |
| May | Good | 27.7°C | 18.5°C | 25.9 |
| April | Fair | 29.6°C | 18.3°C | 18.6 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
41
🟢 Good
US Air Quality Index
European AQI: 29
PM2.5
8.0 µg/m³
PM10
8.6 µg/m³
Ozone
9.0 µg/m³
NO₂
16.4 µg/m³
SO₂
2.7 µg/m³
CO
292.0 µg/m³
UV Index
0.0
Dust
1.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 28.3° | 17.4° | 22.1° | 29.6° | 17.3° | 28.4 mm | 6.0 | 0.0 cm | 341.0 hrs | 11.6 hrs | - | 66.7% | 17.6 km/h | 48.7% |
| Feb | 29.4° | 18.2° | 22.9° | 30.3° | 17.7° | 16.1 mm | 4.9 | 0.0 cm | 313.6 hrs | 11.8 hrs | - | 60.3% | 19.7 km/h | 50.8% |
| Mar | 30.4° | 18.0° | 23.3° | 31.9° | 17.9° | 49.7 mm | 8.7 | 0.0 cm | 347.2 hrs | 12.1 hrs | - | 62.0% | 18.2 km/h | 56.0% |
| Apr | 29.6° | 18.3° | 22.9° | 32.3° | 18.8° | 186.3 mm | 18.6 | 0.0 cm | 309.0 hrs | 12.4 hrs | - | 71.2% | 15.1 km/h | 75.2% |
| May | 27.7° | 18.5° | 22.2° | 31.7° | 20.1° | 429.5 mm | 25.9 | 0.0 cm | 285.2 hrs | 12.6 hrs | - | 83.4% | 12.5 km/h | 82.7% |
| Jun | 25.8° | 18.3° | 21.3° | 29.9° | 20.2° | 531.4 mm | 29.0 | 0.0 cm | 231.0 hrs | 12.7 hrs | - | 89.3% | 10.0 km/h | 91.3% |
| Jul | 26.6° | 18.3° | 21.7° | 30.5° | 19.9° | 433.6 mm | 24.0 | 0.0 cm | 251.1 hrs | 12.6 hrs | - | 85.2% | 11.1 km/h | 85.5% |
| Aug | 26.3° | 17.9° | 21.3° | 30.4° | 19.6° | 521.6 mm | 27.7 | 0.0 cm | 257.3 hrs | 12.4 hrs | - | 87.7% | 10.7 km/h | 87.9% |
| Sep | 25.9° | 17.9° | 21.1° | 30.2° | 19.7° | 569.2 mm | 30.0 | 0.0 cm | 237.0 hrs | 12.2 hrs | - | 89.5% | 10.4 km/h | 89.5% |
| Oct | 25.4° | 17.8° | 20.8° | 29.6° | 19.6° | 666.3 mm | 29.4 | 0.0 cm | 229.4 hrs | 11.9 hrs | - | 90.5% | 10.1 km/h | 89.9% |
| Nov | 25.5° | 17.8° | 20.9° | 29.1° | 19.5° | 487.6 mm | 25.0 | 0.0 cm | 225.0 hrs | 11.7 hrs | - | 87.9% | 9.9 km/h | 83.4% |
| Dec | 27.3° | 17.4° | 21.6° | 29.5° | 18.0° | 80.9 mm | 9.3 | 0.0 cm | 310.0 hrs | 11.5 hrs | - | 75.0% | 14.0 km/h | 61.2% |