August might be the last full month of summer, but that doesn’t mean your content can’t still sizzle.

This month offers a mix of powerful observances and lighthearted holidays to help you connect with your community, spark engagement, and keep your strategy strong. From impactful awareness campaigns to easy wins on quirky holidays, this roundup is your go-to source for timely inspiration.

Don’t stop at August! Download our 2025 Observance Calendar Roundup to keep your content calendar prepped for the rest of the year.

Please keep in mind that this is not meant to be a full list of observances and we encourage you to check with your state/county for any area-specific days or with your peers in our GSM Facebook Community Group or free GSM Network. Other helpful resources for additional observances include List of National Days, National Today, Ready.Gov’s Preparedness Calendar, NWS Awareness and Preparedness Calendar, or the United Nations List of International Days and Weeks.

Observed in the month of August

• American Adventures Month
• American Artist Appreciation Month
• Back to School Month
• Black Business Month
• Family Fun Month
• Intersectionality Awareness Month
• MedicAlert Awareness Month
• Motorsports Awareness Month
• National Cheer Safety Month
• National Civility Month
• National Immunization Awareness Month
• National Minority Donor Awareness Month
• National Traffic Awareness Month
• National Water Quality Month
• National Wellness Month
• Summer Sun Safety Month

Weeks observed in August

• 1-7: National Minority Donor Awareness Week
• 1-7: World Breastfeeding Week
• 3-9: International Assistance Dog Week
• 3-9: National Farmers Market Week
• 3-9: National Health Center Week
• 3-9: Stop on Red Week
• 7-17: The World Games
• 11-17: Safe & Sound Week
• 24-28: World Water Week
• 25-31: Be Kind to Humankind Week
• 24-Sep 1: Burning Man
• 25-Sep 7: US Open Tennis

Days observed in August

• 1: DOGust 1st (Universal Birthday for Shelter Dogs)
• 1: National Minority Donor Awareness Day
• 1: Woman Astronomers Day
• 1: World Wide Web Day
• 2-3: Tisha B’Av
• 3: National Watermelon Day
• 4: Assistance Dog Day
• 4: Coast Guard Day
• 5: National Dash Cam Day
• 5: National Night Out
• 5: Work Like a Dog Day
• 6: Farmworker Appreciation Day
• 6: Hiroshima Day
• 7: National Lighthouse Day
• 7: Purple Heart Day
• 9: Book Lovers Day
• 9: International Day of The World’s Indigenous Peoples
• 10: National S’mores Day
• 10: World Lion Day
• 12: City Hall Selfie Day
• 12: International Youth Day
• 12: World Elephant Day
• 13: International Left Handers Day
• 14: National Navajo Code Talkers Day
• 14: World Lizard Day
• 15: National Back to School Prep Day
• 15: National Relaxation Day
• 16: International Geocaching Day
• 16: International Homeless Animals Day
• 16: World Honey Bee Day
• 17: National Nonprofit Day
• 18: Discovery Day (Canada)
• 19: National Aviation Day
• 19: World Humanitarian Day
• 19: World Photography Day
• 20: National Radio Day
• 20: World Mosquito Day
• 21: International Day of Remembrance and Tribute to the Victims of Terrorism
• 21: Internet Self-Care Day
• 21: National Senior Citizens Day
• 22: International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief
• 22-24: X Games
• 23: International Day for the Remembrance of the Slave Trade and its Abolition
• 25: National Park Service Birthday
• 26: National Dog Day
• 26: Women’s Equality Day
• 29: International Day against Nuclear Tests
• 30-31: International Bat Night
• 30: International Day of the Victims of Enforced Disappearances
• 30: National Beach Day
• 30: National Grief Awareness Day
• 31: International Day for People of African Descent
• 31: International Overdose Awareness Day
• 31: National Zoo Awareness Day