Flights to San Juan, United States

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Weather in San Juan

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C22°C
February27°C22°C
March27°C22°C
April28°C23°C
May29°C24°C
June30°C25°C
July30°C25°C
August30°C25°C
September30°C25°C
October29°C25°C
November28°C24°C
December27°C23°C
Hottest Month
30°C
August
Coldest month
22°C
February
Sunny days
251
days per year

14 day forecast

Saturday
31 May
65%
31°C27°C
7 Jun
88%
29°C24°C
Sunday
1 Jun
30°C26°C
8 Jun
85%
30°C24°C
Monday
2 Jun
29°C26°C
9 Jun
79%
30°C25°C
Tuesday
3 Jun
86%
29°C25°C
10 Jun
74%
30°C25°C
Wednesday
4 Jun
89%
28°C24°C
11 Jun
86%
30°C25°C
Thursday
5 Jun
80%
29°C25°C
12 Jun
79%
30°C25°C
Friday
6 Jun
89%
29°C25°C
13 Jun
84%
30°C25°C

Cheapest month to fly to San Juan

Explore price trends for trips to San Juan

Annual Avg. Price346 GBP
June 2025290 GBP
July 2025345 GBP
August 2025274 GBP
September 2025274 GBP
October 2025308 GBP
November 2025340 GBP
December 2025384 GBP
January 2026351 GBP
February 2026384 GBP
March 2026401 GBP
April 2026455 GBP

Frequently asked questions

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