The answer for a hardy pony who hides it
A Welsh pony in a heatwave needs the same serious protection as any horse — shade, water, rest at midday — plus grass control, because this native breed's thriftiness is its main hot-weather danger. A Welsh pony will keep a bright eye and a willing expression while carrying more condition than he needs into a hot spell, and his dense, weatherproof coat slows heat loss on still days. Do not let his reputation for hardiness set his care: measure his comfort by his breathing rate, whether he is sweating under the coat, and whether the water level in his trough is actually falling.
Section differences and the individual pony
Welsh ponies range from the small, fine Section A to the taller, stronger Section D cob, and a heatwave plan should be fitted to the animal in front of you rather than the breed label. A chunky Section D with a thick mane and full body carries more insulation into the heat than a lighter Section B, while an older Welsh pony of any section may drink less keenly and need his water flavoured by nothing more exotic than being kept scrupulously clean and fresh. Part his coat along the neck after a hot afternoon: if the skin beneath feels clammy and hot and his breathing is still quick an hour after work should have ended, this Welsh pony needs hosing to the skin, shade, and rest, not another short ride because he seems keen.
Grass management through a hot, dry spell
A Welsh pony's pasture changes character in a heatwave — short, stressed grass can carry concentrated sugars, and the first growth after rain is richer still — so his grazing hours are part of his heat plan, not a separate topic. Bring this Welsh pony onto a shaded bare paddock or stable him with hay through the afternoon, use a grazing muzzle only if he accepts it without rubbing or distress, and feel his neck crest and the pulses above his hooves as part of the evening check. A Welsh pony who starts standing camped, shifting between his front feet, or lying down more than usual on hard, hot ground should come in onto deep bedding and be discussed with your veterinarian that day.
Riding lessons and children in hot weather
A Welsh pony is very often a child's mount shared between a family, a riding school, and weekend helpers, which makes his heatwave rules easy to lose between people. Set the rule in advance: lessons before the heat builds, walking and short trots only during a hot spell, and no pony-club games afternoon in full sun regardless of how the pony appears to be coping. Give him a full drink and a sponge-down between young riders rather than back-to-back sessions, and let the child who loves him learn his breathing check — counting flank movements while he rests — as part of the day's horsemanship.
One set of rules everyone can read
The Welsh pony ridden by a daughter on Saturday, loaned to a lesson on Sunday, and fed by a grandparent on Monday needs his heat limits written where all of them can see them. KinsLe Family Sharing holds this Welsh pony's grazing hours, riding cut-off time, and cooling routine on his shared profile, so each person who handles him applies the same hot-weather rules.