Weather forecast for tomorrow says: cold and rainy. Today is cold and rainy too. And gray. If you’re living within latitudes where winter is already dominating, you must miss the sun as well. Thank god summer can be revived online.

Although these sort of posts usually appear much later on the calendar, it can’t be wrong to bring a little sunshine to your Twitter profile so soon, as a contrast to the freezing reality outside. The 15 free backgrounds available below are a reminder of beaches, warmth, sun rays and everything summer-related. If we’re forced to wear a coat, at least we can warm up Twitter.

Most of the sites here offer a quick upload to your Twitter page with a simple username and password login. Enjoy and keep warm. Click on the screen-capture images to go to the source page and download the Twitter backgrounds.