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 21° degrees and there is about 569 mm of rain in a year. It is dry for 255 days a year with an average humidity of 70% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 14°C and 29°C
- Night:the average nighttime temperature is between 9°C and 21°C
- Rain: it rains 96 days and there is a total of approximately 570 mm rainfall
- Sun hours: throughout the year there are 3120 sun hours
Maximum temperature: | between 14°C and 29°C |
Warmest month: | 29°C in January |
Coldest month: | 14°C in July |
Night temperature: | between 9°C and 21°C |
Dry days: | 269 days |
Days with rain: | 96 days |
Days with snow: | 0 days |
Total rain sum: | 570 mm |
Hours of sunshine: | 3120 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. (°C) | 29 | 28 | 25 | 22 | 18 | 15 | 14 | 16 | 17 | 20 | 24 | 27 |
Night temp. (°C) | 21 | 21 | 18 | 15 | 13 | 10 | 9 | 10 | 11 | 13 | 16 | 19 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 43 | 58 | 55 | 35 | 44 | 25 | 47 | 38 | 36 | 49 | 75 | 65 |
Days with rain | 8 | 9 | 9 | 9 | 8 | 6 | 8 | 6 | 8 | 9 | 8 | 8 |
Dry days | 23 | 19 | 22 | 21 | 23 | 24 | 23 | 25 | 22 | 22 | 22 | 23 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 11 | 9 | 9 | 8 | 7 | 6 | 7 | 8 | 8 | 9 | 11 | 11 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
UV-index | 6 | 6 | 6 | 5 | 4 | 4 | 3 | 4 | 4 | 5 | 5 | 6 |
Best time to visit San Juan
The best time to visit San Juan in Argentina is from January through May and October through December. In this period you have a warm temperature and little precipitation. The highest average temperature in San Juan is 29°C in January and the lowest is 14°C 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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