Weather in Jersey in July 2025
Average weather
Average temperature in Jersey in July
Going from a maximum of +21°C during the day to a minimum of +15°C during the night, the temperature in July averages around +18°C.
The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +17°C to +18°C.
Is Jersey warm or cold in July?
Jersey is typically mild in July.
Maximum temperatures go up compared to the previous month from +17°C to +19°C. The minimum temperature also goes up from +13°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
July is one of the warmest months in Jersey, here is the comparison with other months:
Climate in Jersey in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +19°C | +19°C | ||||
| Min. temperature | ||||||
| +7°C | +11°C | +10°C | ||||
| Max. temperature | ||||||
| +32°C | +35°C | +33°C | ||||
| Rainfall | ||||||
| 45 mm | 40 mm | 52 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 81% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 5 | ||||
| Cloudy days | ||||||
| 12 | 11 | 11 | ||||
| Rainy days | ||||||
| 12 | 12 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +17°C to +19°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 45 mm to 40 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during July, staying around 4 m/s. The good news is there are likely to be more sunny days in July, from 5 to 6.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Jersey is gradually decreasing during July, going from 7 m/s to 6 m/s over the course of the month.
Rain
How was the weather last July in Jersey?
Climate Change over Years
The climate in Jersey in July has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+12°C) and the highest in 2020 (+15°C). The driest year was 1989 with only 603 mm of rainfall, and the wettest year was 2020 with 1376 mm.
FAQ
Is July a good time to visit Jersey?
Can you sunbathe in Jersey in July?
Is Jersey rainy in July?
Is it sunny in Jersey in July?
Monthly weather in Jersey
Source of the data
For this page, we’ve looked at the typical weather in Jersey, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.