Weather in Alajuela - 14-day forecast

Detailed weather forecast for Alajuela, Costa Rica: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Alajuela
today🌧️ 28°💧 4.3 mm
Thu🌧️ 31°💧 10 mm
Fri🌧️ 30°💧 8.6 mm
Sat🌧️ 22°💧 21.5 mm
Sun🌧️ 22°💧 5 mm
Mon🌧️ 25°💧 3.1 mm
Tue🌧️ 25°💧 16.2 mm
Wed🌧️ 24°💧 18.8 mm

14-day forecast - Alajuela

WEATHER FORECAST · 15 DAYSAlajuelaCosta Rica · 15-day forecast28°🌧️Todaynight 20° · wind 3 m/s · humidity 43%🌅 05:21 🌇 18:02 · daylight 12 h 41 min28°20°31°20°30°21°22°22°19°25°20°25°20°24°20°25°20°26°20°25°20°25°20°27°19°24°20°26°20°RAIN (MM)4.3108.621.553.116.218.8111.222.7108.711.222.9Wed8.07Thu9.07Fri10.07Sat11.07Sun12.07Mon13.07Tue14.07Wed15.07Thu16.07Fri17.07Sat18.07Sun19.07Mon20.07Tue21.07Wed22.07AVERAGE26°MAX.31° (9.07)MIN.22° (11.07)TOTAL RAIN175.1 mmSUNNY DAYS0world-prices.com · updated 2026-07-08

📅 Alajuela 30 & 45-day weather - long-range outlook

Next 15 days · forecast
26°
around 20° at night · days with rain: 15
Weeks 3-4 · avg for July
27°
around 20° at night · rain chance 61%
Weeks 5-7 · avg for August
27°
around 19° at night · rain chance 67%
The 30 & 45-day outlook for Alajuela: the next 15 days are a numerical forecast updated daily - on average 26° by day and 20° at night. Further out we rely on multi-year climate averages: around 27° in July, and about 27° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Alajuela

Wednesday8 July 2026
🌧️28°moderate rain
sunrise 05:21 · sunset 18:02 · night 20° · evening 24° · rain 4.33 mm · humidity 43% · wind 3 m/s · clouds 10%
Thursday9 July 2026
🌧️31°moderate rain
sunrise 05:22 · sunset 18:02 · night 20° · evening 23° · rain 9.97 mm · humidity 49% · wind 2 m/s · clouds 70%
Friday10 July 2026
🌧️30°moderate rain
sunrise 05:22 · sunset 18:02 · night 21° · evening 22° · rain 8.63 mm · humidity 53% · wind 2 m/s · clouds 100%
Saturday11 July 2026
🌧️22°moderate rain
sunrise 05:22 · sunset 18:02 · night 20° · evening 20° · rain 21.47 mm · humidity 92% · wind 2 m/s · clouds 100%
Sunday12 July 2026
🌧️22°light rain
sunrise 05:22 · sunset 18:02 · night 19° · evening 20° · rain 4.95 mm · humidity 88% · wind 2 m/s · clouds 100%
Monday13 July 2026
🌧️25°light rain
sunrise 05:23 · sunset 18:02 · night 20° · evening 21° · rain 3.06 mm · humidity 70% · wind 3 m/s · clouds 74%
Tuesday14 July 2026
🌧️25°moderate rain
sunrise 05:23 · sunset 18:02 · night 20° · evening 21° · rain 16.23 mm · humidity 78% · wind 2 m/s · clouds 100%
Wednesday15 July 2026
🌧️24°moderate rain
sunrise 05:23 · sunset 18:02 · night 20° · evening 21° · rain 18.81 mm · humidity 87% · wind 2 m/s · clouds 100%
Thursday16 July 2026
🌧️25°moderate rain
sunrise 05:23 · sunset 18:02 · night 20° · evening 21° · rain 11.01 mm · humidity 78% · wind 2 m/s · clouds 87%
Friday17 July 2026
🌧️26°light rain
sunrise 05:24 · sunset 18:02 · night 20° · evening 21° · rain 1.2 mm · humidity 71% · wind 3 m/s · clouds 57%
Saturday18 July 2026
🌧️25°moderate rain
sunrise 05:24 · sunset 18:02 · night 20° · evening 21° · rain 22.71 mm · humidity 79% · wind 2 m/s · clouds 70%
Sunday19 July 2026
🌧️25°moderate rain
sunrise 05:24 · sunset 18:02 · night 20° · evening 20° · rain 9.96 mm · humidity 80% · wind 2 m/s · clouds 90%
Monday20 July 2026
🌧️27°moderate rain
sunrise 05:24 · sunset 18:02 · night 19° · evening 21° · rain 8.73 mm · humidity 64% · wind 2 m/s · clouds 71%
Tuesday21 July 2026
🌧️24°moderate rain
sunrise 05:24 · sunset 18:02 · night 20° · evening 21° · rain 11.16 mm · humidity 82% · wind 2 m/s · clouds 75%
Wednesday22 July 2026
🌧️26°moderate rain
sunrise 05:25 · sunset 18:02 · night 20° · evening 20° · rain 22.92 mm · humidity 75% · wind 2 m/s · clouds 86%

☀️ UV index in Alajuela - is it safe to sunbathe?

☀️ UV INDEX · 16-DAY FORECASTAlajuela03681111+8.5UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.⏱ Unprotected fair skin may burn in about 25 min9Wed8.077Thu9.078Fri10.076Sat11.078Sun12.079Mon13.076Tue14.075Wed15.078Thu16.079Fri17.074Sat18.077Sun19.078Mon20.079Tue21.078Wed22.076Thu23.070-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-07-08
Today the UV index in Alajuela is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Air quality and smog in Alajuela

CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
San José1420.4good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 19:00).

Alajuela weather through the year

WEATHER THROUGH THE YEARAlajuela26°19°26°18°27°19°28°20°28°20°27°20°27°20°27°19°27°19°27°19°26°19°26°19°CHANCE OF RAIN (%)10812376971616785815728JanFebMarAprMayJunJulAugSepOctNovDecWARMESTApr (28°)COLDESTJan (26°)DRIESTFeb (8%)WETTESTSep (85%)world-prices.com · 2026-07-08 · ★ best months

🎉 Public holidays in Alajuela - when are the long weekends?

Next long weekend in Alajuela: Independence Day (15 September, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).
25 JulySaturday
Annexation of the Party of Nicoya to Costa Rica
falls on a weekend
2 AugustSunday
Feast of Our Lady of the Angels
falls on a weekend
15 AugustSaturday
Mother's Day
falls on a weekend
15 SeptemberTuesday
Independence Day
🎈 long weekend + bridge day
1 DecemberTuesday
Army Abolition Day
🎈 long weekend + bridge day
25 DecemberFriday
Christmas Day
🎈 long weekend
1 JanuaryFriday 2027
New Year's Day
🎈 long weekend
25 MarchThursday 2027
Maundy Thursday
🎈 long weekend + bridge day
26 MarchFriday 2027
Good Friday
🎈 long weekend
11 AprilSunday 2027
Juan Santamaría Day
falls on a weekend
1 MaySaturday 2027
Labour Day
falls on a weekend
25 JulySunday 2027
Annexation of the Party of Nicoya to Costa Rica
falls on a weekend
Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

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FAQ - Alajuela weather

What is the weather like in Alajuela today?
Today it is about 28° during the day and 20° at night, moderate rain.
How far ahead can I check the forecast for Alajuela?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.