As of Wednesday, May 14, 2025, there are approximately 37 to 38 days until the start of summer 2025 in the Northern Hemisphere. Summer begins on Friday, June 20, 2025, which is the summer solstice marking the first day of summer

. Different sources note the start date as June 20 or June 21, but for 2025, the summer solstice and thus the first day of summer is on June 20, 2025

. Counting from May 14, that gives about 37 to 38 days remaining until summer begins. In summary:

• Summer 2025 starts on June 20, 2025.
• From May 14, 2025, there are about 37-38 days until summer