Climate of Alpharetta
Alpharetta has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Alpharetta is 21° degrees and there is about 503 mm of rain in a year. It is dry for 189 days a year with an average humidity of 74% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 9°C and 32°C
- Night:the average nighttime temperature is between 1°C and 21°C
- Rain: it rains 149 days and there is a total of approximately 503 mm rainfall
- Snow: it snows an average of 3 days per year
- Sun hours: throughout the year there are 2950 sun hours
Maximum temperature: | between 9°C and 32°C |
Warmest month: | 32°C in July |
Coldest month: | 9°C in January |
Night temperature: | between 1°C and 21°C |
Dry days: | 213 days |
Days with rain: | 149 days |
Days with snow: | 3 days |
Total rain sum: | 503 mm |
Hours of sunshine: | 2950 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Alpharetta.
Precipitation graph
This graph shows the average amount of rainfall per month for Alpharetta.
Climate table of Alpharetta
In this climate table you can see at a glance what the average weather per month is for Alpharetta. 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 Alpharetta might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 9 | 12 | 16 | 22 | 26 | 31 | 32 | 31 | 28 | 22 | 16 | 12 |
Night temp. (°C) | 1 | 3 | 6 | 11 | 15 | 19 | 21 | 20 | 18 | 11 | 6 | 4 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 33 | 35 | 40 | 32 | 54 | 43 | 54 | 56 | 41 | 25 | 42 | 48 |
Days with rain | 10 | 11 | 13 | 12 | 15 | 15 | 17 | 16 | 12 | 8 | 9 | 11 |
Days with snow | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 |
Dry days | 20 | 16 | 18 | 18 | 16 | 15 | 14 | 15 | 18 | 23 | 21 | 19 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 6 | 7 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 6 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 2 |
Best time to visit Alpharetta
The best time to visit Alpharetta in the state of Georgia is from April through October. In this period you have a hot temperature and little precipitation. The highest average temperature in Alpharetta is 32°C in July and the lowest is 9°C in January.
Climate of Alpharetta by month
What is the average climate in a given month for Alpharetta? 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.
Alpharetta weather experiences
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