Best time to fly a kite in San Juan

Based on archive 3 years of daily weather data, the best month for kite flying in San Juan is June (kite score 85/100 — YES). Here's the full month-by-month breakdown.

Monthly averages
MonthWindGustsRainTempGood daysScoreVerdict
January10.2 mph14.8 mph1.8 mm26°C1485YES
February9.7 mph14.3 mph4.2 mm25°C1270EH…
March9.6 mph14.2 mph2.5 mm25°C1185YES
April9.0 mph13.5 mph4.0 mm26°C770EH…
May9.2 mph13.4 mph2.9 mm27°C1485YES
June11.1 mph15.7 mph2.1 mm28°C2285YES
July11.8 mph16.7 mph2.0 mm28°C2085YES
August10.7 mph15.5 mph4.1 mm28°C1570EH…
September7.9 mph12.4 mph3.4 mm28°C670EH…
October7.2 mph11.6 mph3.9 mm28°C770EH…
November8.8 mph13.5 mph4.7 mm27°C1170EH…
December9.1 mph13.7 mph2.8 mm26°C1085YES

"Good days" = days with wind 8–25 mph, gusts under 31 mph and less than 2 mm rain. Scores mirror the live forecast weighting (wind 45%, gusts 25%, rain 20%, temp 10%).

Why June is the pick

In June the average wind in San Juan is 11.1 mph with gusts to 15.7 mph, average daily rain is 2.1 mm and the average temperature is 28°C. Roughly 22 days in the month fall in the ideal kite window (wind 8–25 mph, gusts under 31 mph, dry).

How this score works

The monthly kite score reuses the same scoring as the live forecast for San Juan: wind is 45% of the score, gusts 25%, rain 20% and temperature 10%. 80+ is a YES month, 50–79 is EH…, under 50 is a NOPE.

Check today before you go

Averages tell you the odds, not the forecast. Check the live wind in San Juan right now before you pack the kite.

Best time to fly a kite nearby

Compare cities

See how San Juan ranks against every other city, or filter the whole list by month, region and wind: find the best places to fly a kite.

Want the raw numbers — annual averages, windiest and calmest months, and how San Juan ranks worldwide? See the wind statistics for San Juan.