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Antigua Guatemala weather by month

Antigua Guatemala runs from about 18°C in November to 21°C in May, with June the wettest month at 668 mm.

warmest month

May

21°C

coolest month

November

18°C

wettest month

June

668 mm

worst air month

May

50 µg/m³

The whole year, month by month.

Monthly climate normals for Antigua Guatemala
MonthAvg tempRainSunPM2.5
January19°C1 mm335 h29
February19°C7 mm327 h32
March21°C15 mm359 h34
April21°C43 mm343 h41
May21°C60 mm350 h50
June19°C668 mm195 h33
July19°C173 mm329 h34
August19°C159 mm340 h35
September19°C250 mm294 h35
October19°C139 mm307 h34
November18°C113 mm278 h30
December18°C16 mm303 h30

About 3,760 hours of sun a year. Roughly 128 rainy days a year.

These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.