Climate of San Juan
San Juan has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for San Juan is 39° degrees and there is about 247 inch of rain in a year. It is dry for 232 days a year with an average humidity of 74% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 13°C and 27°C
- Night:the average nighttime temperature is between 10°C and 22°C
- Rain: it rains 110 days and there is a total of approximately 627 mm rainfall
- Sun hours: throughout the year there are 3101 sun hours
Maximum temperature: | between 13°C and 27°C |
Warmest month: | 27°C in January |
Coldest month: | 13°C in July |
Night temperature: | between 10°C and 22°C |
Dry days: | 255 days |
Days with rain: | 110 days |
Days with snow: | 0 days |
Total rain sum: | 627 mm |
Hours of sunshine: | 3101 hours |
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) | 81 | 79 | 75 | 70 | 64 | 58 | 56 | 59 | 61 | 66 | 72 | 78 |
Night temp. (°F) | 71 | 70 | 66 | 62 | 57 | 52 | 50 | 51 | 53 | 57 | 62 | 67 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 20 | 26 | 25 | 16 | 16 | 14 | 22 | 18 | 19 | 20 | 27 | 24 |
Days with rain | 9 | 10 | 11 | 10 | 8 | 6 | 9 | 8 | 9 | 10 | 10 | 10 |
Dry days | 22 | 18 | 20 | 20 | 23 | 24 | 22 | 23 | 21 | 21 | 20 | 21 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 11 | 9 | 9 | 8 | 6 | 6 | 6 | 8 | 8 | 9 | 11 | 11 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
UV-index | 6 | 6 | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 5 | 6 | 6 |
Best time to visit San Juan
The best time to visit San Juan in Uruguay 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 81°F in January and the lowest is 56°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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