| Average climate data for Jerez, Spain | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 16 | 18 | 21 | 22 | 25 | 30 | 34 | 33 | 31 | 25 | 20 | 17 | 34 |
| Average minimum temperature (°C) | 5 | 6 | 8 | 10 | 13 | 16 | 18 | 19 | 17 | 14 | 9 | 7 | 5 |
| Average precipitation (mm) | 78 | 56 | 36 | 49 | 30 | 9 | 1 | 2 | 27 | 73 | 95 | 111 | 567 |
| Average rainfall days (days) | 6 | 6 | 5 | 6 | 4 | 1 | 0 | 0 | 2 | 6 | 7 | 8 | 51 |
| Average relative humidity (%) | 78 | 73 | 67 | 64 | 60 | 55 | 52 | 56 | 62 | 70 | 75 | 80 | 66 |
| Average daily daylight hours (h) | 10 | 10 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 12 |
| Average daily sunshine hours (h) | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 10 | 8 | 7 | 6 | 5 | 8 |
| Average UV index | 2 | 4 | 5 | 7 | 8 | 9 | 10 | 9 | 7 | 5 | 3 | 2 | 6 |
The warmest month, with the highest average maximum temperature, is July (33.5 °C). The month with the lowest average maximum temperature is January (16.2 °C). Overall, the average maximum temperature over the whole year is 24.3 °C.
The month with the highest average minimum temperature is August (18.6 °C). The coldest month, with the lowest average minimum temperature, is January (5.3 °C). Overall, the average minimum temperature over the whole year is 11.8 °C.
The wettest month, with the highest amount of precipitation, is December (110.5 mm). The driest month, with the least amount of precipitation, is July (1 mm). Over the whole year there are 567 mm of rainfall on average.
The month with the most days of rain is December (7.9 days). The month with the fewest days of rain is July (0.1 days). Over the whole year there are 51 days of rain on average.
The month with the highest average relative humidity is December (79.6 %). The month with the lowest average relative humidity is July (52.3 %). The overall average relative humidity over the whole year is 65.9 %.
The month with the longest days, so the most daylight, is June (Average daylight: 14.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9.1 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 11.1 h). The month with the least sunshine per day is December (Average sunshine: 5.1 h). Over the whole year there are 7.7 h of sunlight per day on average.
The month with the highest average UV index is July (UV index: 10). The months with the lowest average UV index are January and December (UV index: 2). Over the whole year the average UV index is 5.9.
