18 to 24°C
temperature
3590 hours
sunshine per day
9 mm
rain
353 days
dry
12 days
rain
0 days
snow

Climate of San Juan

San Juan has a desert climate. The temperature during the day is warm and you won't have rain here anytime soon. The average annual temperature for San Juan is 40° degrees and there is about 4 inch of rain in a year. It is dry for 358 days a year with an average humidity of 68% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 18°C and 24°C
  • Night:the average nighttime temperature is between 12°C and 18°C
  • Rain: it rains 12 days and there is a total of approximately 9 mm rainfall
  • Sun hours: throughout the year there are 3590 sun hours
Maximum temperature: between 18°C and 24°C
Warmest month: 24°C in February
Coldest month: 18°C in July
Night temperature: between 12°C and 18°C
Dry days: 353 days
Days with rain: 12 days
Days with snow: 0 days
Total rain sum: 9 mm
Hours of sunshine: 3590 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for San Juan.

Precipitation graph

This graph shows the average amount of rainfall per month for San Juan.

Climate table of San Juan

In this climate table you can see at a glance what the average weather per month is for San Juan. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for San Juan might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°F) 73 74 73 71 68 66 64 65 66 67 69 70
Night temp. (°F) 63 64 62 59 57 55 53 54 55 57 58 60
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 0 0 0 0 2 0 1 0 0 0 0 0
Days with rain - - 2 2 2 1 2 1 1 - - 1
Dry days 31 28 29 28 29 29 29 30 29 31 30 30
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 10 10 10 10 10 10 10 10 10 10 10 10
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 6 6 5 5 5 5 4 5 5 5 5 5

Best time to visit San Juan

The best time to visit San Juan in Chile is from January through December. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in San Juan is 74°F in February and the lowest is 64°F in July.

Climate of San Juan by month

What is the average climate in a given month for San Juan? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

San Juan weather experiences

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