Climate of Derby
Derby has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Derby is 29° degrees and there is about 313 inch of rain in a year. It is dry for 163 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 1°C and 27°C
- Night:the average nighttime temperature is between -4°C and 19°C
- Rain: it rains 162 days and there is a total of approximately 797 mm rainfall
- Snow: it snows an average of 27 days per year
- Sun hours: throughout the year there are 2759 sun hours
Maximum temperature: | between 1°C and 27°C |
Warmest month: | 27°C in July |
Coldest month: | 1°C in January |
Night temperature: | between -4°C and 19°C |
Dry days: | 176 days |
Days with rain: | 162 days |
Days with snow: | 27 days |
Total rain sum: | 797 mm |
Hours of sunshine: | 2759 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Derby.
Precipitation graph
This graph shows the average amount of rainfall per month for Derby.
Climate table of Derby
In this climate table you can see at a glance what the average weather per month is for Derby. 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 Derby might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°F) | 34 | 37 | 44 | 56 | 67 | 74 | 81 | 80 | 73 | 62 | 50 | 41 |
Night temp. (°F) | 24 | 25 | 32 | 42 | 52 | 59 | 66 | 65 | 59 | 50 | 39 | 32 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 24 | 23 | 26 | 28 | 22 | 24 | 27 | 27 | 23 | 28 | 28 | 34 |
Days with rain | 9 | 10 | 13 | 15 | 16 | 17 | 17 | 15 | 13 | 14 | 10 | 13 |
Days with snow | 8 | 8 | 6 | - | - | - | - | - | - | - | 1 | 4 |
Dry days | 14 | 10 | 12 | 15 | 15 | 13 | 14 | 16 | 17 | 17 | 19 | 14 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 6 | 9 | 9 | 10 | 11 | 11 | 9 | 6 | 5 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
UV-index | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
Best time to visit Derby
The best time to visit Derby in the state of Connecticut is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in Derby is 81°F in July and the lowest is 34°F in January.
Climate of Derby by month
What is the average climate in a given month for Derby? 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.
Derby weather experiences
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