Knokke-Heist weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Poor
Best time to visit: July – August
What is the weather like in Knokke-Heist in July?
In July, Knokke-Heist is mild: daytime highs average 21 °C, and nights cool down to about 15 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, July is not an ideal month for a holiday in Knokke-Heist.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 16 h 12 min05:47 – 21:59
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Brussels
How the score comes together
- Temperatureweight 35 %32 %
- Seaweight 25 %19 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 20 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Knokke-Heist in July: quick answers
Is Knokke-Heist hot in July?
No. In July, Knokke-Heist is mild: daytime highs average 21 °C and nights drop to about 15 °C.
Can you swim in Knokke-Heist in July?
Only if you don't mind cold water: in July the sea averages just 18.3 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Knokke-Heist in July?
Rain is frequent, with about 12 rainy days and 65 mm in total.
Knokke-Heist month by month
The whole year in Knokke-HeistAll destinations: BelgiumWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences