Why Do Sheep Stand Still In The Rain?

Sheep are gentle, patient grazing animals, and one of their odd-looking habits is standing calmly in the rain while people run for cover.

Why do sheep stand still in the rain? A full fleece insulates sheep well, so light to moderate rain rarely bothers them and they keep grazing or resting. Cold, heavy rain with strong wind is different: it pulls heat from the body, and sheep will huddle or look for shelter.

Below, we explain how wool protects sheep, when rain becomes a real risk, and what sheep keepers should do in bad weather.

Why Do Sheep Stand Still In The Rain?

Sheep are calm animals that spend most of their day grazing and chewing their cud. A passing shower is usually not worth interrupting that routine.

A full fleece is a thick layer of insulation. The wool also contains lanolin, a natural grease that helps water run off the outer fleece before it soaks down to the skin.

That is why you often see sheep standing still in a light rain. They are not ignoring the weather so much as staying comfortable in it.

Heavy, windy rain is another story. Sheep tend to turn their backs to the wind, huddle together, or move to hedges, trees, or sheds when the weather gets rough.

Is Rain Bad For Sheep?

Mild rain does not hurt a healthy sheep in full fleece. The danger comes from cold, wet, and windy weather together.

According to Tasmania's Department of Natural Resources and Environment, rain that lodges in the fleece and drips off removes warmth from the skin. High rainfall and strong winds with below-normal temperatures can kill young animals.

Do A Sheep Need A Shelter From Rain?

Yes. Every flock should have access to shelter from cold wind and driving rain, such as a windbreak, a line of trees, or an open-sided shed.

Shelter matters most for lambs and newly shorn sheep. Government guidance recommends small, well-protected paddocks for lambing and for sheep just off shears.

Do Sheep Feel Cold In The Rain?

Yes, they can. A sheep in full fleece copes with most rain, but a soaked fleece in strong wind loses much of its insulating value.

Recently shorn sheep may have only about three millimeters of wool left, so cold rain hits them much harder. Lambs are also at higher risk because they have little body fat to burn for heat.

Early signs of cold stress include shivering, shallow breathing, huddling, and seeking shelter. Lethargy, pale gums, and cold legs are serious signs, so call a vet right away.

What Should You Do If Your Sheep Is In The Rain?

Check the forecast, not just the rain. Light rain on sheep in full fleece is usually fine.

If cold, windy, or heavy rain is coming, move lambs, newly shorn sheep, and any weak or thin animals to sheltered paddocks or a shed. Make sure the shelter is solid enough to stand up to strong wind.

Avoid shearing right before a cold, wet spell when you can.

Can Sheep Get Too Wet From Rain?

Yes. A fleece that stays soaked in cold, windy weather can no longer keep the sheep warm, and that is when hypothermia becomes a risk.

The wool itself will not shrink or felt on the sheep the way a wool sweater can in a hot wash. Felting needs heat, moisture, and agitation together, which a sheep standing in the rain does not get.

Final Words

Sheep stand still in light rain because their fleece keeps them warm and dry enough to carry on. In cold, heavy, or windy rain, they huddle and seek shelter, and lambs and newly shorn sheep need protection from the keeper.

Sources

• Caring for sheep during extreme weather, Tasmania Department of Natural Resources and Environment