diff --git a/esphome/components/graph/graph.cpp b/esphome/components/graph/graph.cpp
index 1178af911d..09f7557714 100644
--- a/esphome/components/graph/graph.cpp
+++ b/esphome/components/graph/graph.cpp
@@ -177,22 +177,26 @@ void Graph::draw(Display *buff, uint16_t x_offset, uint16_t y_offset, Color colo
         bool b = (trace->get_line_type() & bit) == bit;
         if (b) {
           int16_t y = (int16_t) roundf((this->height_ - 1) * (1.0 - v)) - thick / 2 + y_offset;
+          auto draw_pixel_at = [&buff, c, y_offset, this](int16_t x, int16_t y) {
+            if (y >= y_offset && y < y_offset + this->height_)
+              buff->draw_pixel_at(x, y, c);
+          };
           if (!continuous || !has_prev || !prev_b || (abs(y - prev_y) <= thick)) {
             for (int16_t t = 0; t < thick; t++) {
-              buff->draw_pixel_at(x, y + t, c);
+              draw_pixel_at(x, y + t);
             }
           } else {
             int16_t mid_y = (y + prev_y + thick) / 2;
             if (y > prev_y) {
               for (int16_t t = prev_y + thick; t <= mid_y; t++)
-                buff->draw_pixel_at(x + 1, t, c);
+                draw_pixel_at(x + 1, t);
               for (int16_t t = mid_y + 1; t < y + thick; t++)
-                buff->draw_pixel_at(x, t, c);
+                draw_pixel_at(x, t);
             } else {
               for (int16_t t = prev_y - 1; t >= mid_y; t--)
-                buff->draw_pixel_at(x + 1, t, c);
+                draw_pixel_at(x + 1, t);
               for (int16_t t = mid_y - 1; t >= y; t--)
-                buff->draw_pixel_at(x, t, c);
+                draw_pixel_at(x, t);
             }
           }
           prev_y = y;