diff --git a/homeassistant/components/sensor/yr.py b/homeassistant/components/sensor/yr.py
index d2b3a35816d..ef12ba392e1 100644
--- a/homeassistant/components/sensor/yr.py
+++ b/homeassistant/components/sensor/yr.py
@@ -7,6 +7,7 @@ https://home-assistant.io/components/sensor.yr/
 import asyncio
 from datetime import timedelta
 import logging
+from random import randrange
 from xml.parsers.expat import ExpatError
 
 import async_timeout
@@ -80,8 +81,9 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
     yield from async_add_devices(dev)
 
     weather = YrData(hass, coordinates, dev)
-    # Update weather on the hour
-    async_track_utc_time_change(hass, weather.async_update, minute=0, second=0)
+    # Update weather on the hour, spread seconds
+    async_track_utc_time_change(hass, weather.async_update, minute=0,
+                                second=randrange(5, 25))
     yield from weather.async_update()