Garden socket which IP certification?

IPx4 is splash water protection from all directions, IPx5 is protection against jet water from all directions. Heavy rain combined with strong wind, some also call it driving rain, can well be close to jet water. On May 30th, nearly 30 liters fell here within 15, 20 minutes, strong wind from the southwest, that was no longer splash water in the sense of the standard. But there is a simple solution. If you know that heavy rain combined with wind is coming, you cover it. Covers or protective cases are available in endless sizes, colors, shapes. And otherwise. Unplug and let it dry. Even outdoor lights are usually only IP44. They dry again. My remark about the person lying dead next to it referred to the once again very lax statement of the "experts" along the lines of: "There has been an outlet lying on the ground in my garden for 135 years, Edison installed it himself... nothing ever happened..." Maybe. But if something happens, an electric accident is relatively often fatal... IP44 is okay, otherwise it wouldn’t be sold millions of times.

IPx4 is splash water protection from all directions, IPx5 is protection against jet water from all directions.
Heavy rain combined with strong wind, some also call it driving rain, can quite well be considered jet water.
On May 30th, nearly 30 liters fell here within 15 to 20 minutes, strong wind from the southwest, that was no longer splash water according to the standard.

Those were also my concerns, but it is not always possible to put a cover over it, which is why I want it so that you don't have to think about it anymore.

If you open the flap of the socket and plug in the outdoor plug, then you only have IP44, right?

I want a socket where I can plug in my devices and then forget about them and not have to worry anymore.
I also won't be bringing in or covering the Philips Hue outdoor lamps at every heavier rain.

IP44 is okay, otherwise it wouldn't be sold millions of times.

Would you say IP44 is sufficient or should we go for IP55?
The plugs should remain plugged in permanently, regardless of rain, snow, frost, heavy rain, driving rain, etc.

If it is supposed to be permanent, just clamp it, for example, with a [Gelmuffe]. There are also outdoor enclosures for such purposes that enclose the plug connection. That is at least really sealed. These socket columns of course only have their protection class when closed.

These socket columns naturally only have their protection class when closed.

Yes, but when the plug is inserted, doesn't the whole thing then have the protection class that the plug has? For example, the Philips Hue power supply is rated IP 67. It shouldn't be 100% permanent anyway, or else the power for the lamps has to come from somewhere. It comes from the outdoor power supply with a molded cable plug that then converts to 24V. The lawn mower robot also only has a Schuko plug, which you wouldn't want to unplug in heavy rain.

For example, the Philips Hue power supply says IP 67

But not the Schuko plug. Just try plugging it into a normal socket and think carefully about how it could be dust- and waterproof. The sockets in an outdoor socket column are also not made of silicone, which might seal them. Here it is – if at all – about the plug on the output side.

The Schuko plug of outdoor devices is designed to fill the entire socket and thus seal it. Or am I misinformed? If I use the wrong technical terms, please forgive me.