Climate of Decatur
Decatur has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Decatur is 20° degrees and there is about 850 mm of rain in a year. It is dry for 174 days a year with an average humidity of 76% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 7°C and 31°C
- Night:the average nighttime temperature is between -1°C and 19°C
- Rain: it rains 164 days and there is a total of approximately 850 mm rainfall
- Snow: it snows an average of 14 days per year
- Sun hours: throughout the year there are 2905 sun hours
Maximum temperature: | between 7°C and 31°C |
Warmest month: | 31°C in July |
Coldest month: | 7°C in January |
Night temperature: | between -1°C and 19°C |
Dry days: | 187 days |
Days with rain: | 164 days |
Days with snow: | 14 days |
Total rain sum: | 850 mm |
Hours of sunshine: | 2905 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Decatur.
Precipitation graph
This graph shows the average amount of rainfall per month for Decatur.
Climate table of Decatur
In this climate table you can see at a glance what the average weather per month is for Decatur. 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 Decatur might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 7 | 10 | 15 | 21 | 25 | 30 | 31 | 30 | 27 | 21 | 14 | 10 |
Night temp. (°C) | -1 | 1 | 5 | 9 | 14 | 17 | 19 | 18 | 15 | 9 | 4 | 2 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 73 | 81 | 77 | 75 | 66 | 64 | 76 | 64 | 60 | 55 | 66 | 93 |
Days with rain | 12 | 13 | 15 | 14 | 16 | 16 | 17 | 16 | 12 | 10 | 9 | 14 |
Days with snow | 5 | 4 | 2 | - | - | - | - | - | - | - | 1 | 2 |
Dry days | 14 | 11 | 14 | 16 | 15 | 14 | 14 | 15 | 18 | 21 | 20 | 15 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 6 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 6 | 5 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 2 |
Best time to visit Decatur
The best time to visit Decatur in the state of Tennessee is from April through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Decatur is 31°C in July and the lowest is 7°C in January.
Climate of Decatur by month
What is the average climate in a given month for Decatur? 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.
Decatur weather experiences
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