How Much Water Do Pigs Need in Summer? Hydration Guide by Age & Type

In the summer, pigs need drastically more water to stay hydrated and regulate their body temperature. Here’s a breakdown by age and type:

General Summer Water Needs for Pigs

Pig Type	Daily Water Need (per pig)	Tips
Piglets (up to 40 lbs.)	0.5 – 1 gallon	Increase if it’s hot or if they’re very active
Growing pigs (40–250 lbs.)	2 – 4 gallons	Can double during extreme heat
Finishing pigs (>250 lbs.)	4 – 6+ gallons	May drink more with high-protein diets
Sows (non-lactating)	4 – 6 gallons	Ensure constant access
Lactating sows	6 – 8+ gallons	Water needs spike with milk production
Boars	3 – 5 gallons	Shade and cool water are especially important

Pigs can double their water intake in extreme heat. A 250-lb pig may drink 8 gallons or more per day when it’s over 90°F (32°C).

Check water systems twice daily.
Use nipple waterers or automatic waterers, but make sure the flow rate is strong enough (1 quart/min minimum for larger pigs).
- Gravity flow waterers are especially helpful when water pressure is less than 10PSI, to ensure a strong water flow for proper consumption
Add electrolytes to water during peak heat or stress periods
- Always consult a vet before giving supplements.
Place waterers in the shade to keep water cooler.