Ready to heat up your content calendar?

June is full of opportunities to celebrate, connect, and spotlight the communities you serve. From major national observances to niche days with creative potential, this month’s calendar is designed to spark timely, meaningful content—or simply help your team stay aware of what’s happening.

Let’s take a look at what’s ahead—and how you can make the most of it.

Don’t stop at June! Our 2025 Observance Calendar Roundup Download covers the full year—download it for free and keep your posts on point all year long.

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 June

• Adopt-A-Cat Month
• African American Music Appreciation Month
• Audiobook Appreciation Month
• Black Lives Matter Month
• Caribbean American Heritage Month
• Children’s Awareness Month
• Effective Communications Month
• FIFA Club World Cup (Jun 15-Jul 13)
• Fireworks Safety Month
• Great Outdoors Month
• Gun Violence Awareness Month
• National Camping Month
• National Foster a Pet Month
• National Homeownership Month
• National Immigrant Heritage Month
• National Indigenous History Month (Canada)
• National Men’s Health Month
• National Microchipping Month
• National Oceans Month
• National Pet Preparedness Month
• National Pollinators Month
• National Rivers Month
• National Safety Month
• National Zoo and Aquarium Month
• Pride Month
• PTSD Awareness Month

June is also the start of Hurricane season. Helpful information can be found here from NOAA. 

Weeks observed in June

• 1-7: National CPR and AED Awareness Week
• 1-8: National Fishing and Boating Week
• 1-7: National Garden Week
• 2-8: Canadian Environment Week
• 4-9: Hajj
• 6-8: Wear Orange Weekend
• 9-13: Community Health Improvement Week
• 9-15: International Men’s Health Week
• 15-21: National Forage Week
• 15-21: National Mosquito Control Awareness Week
• 15-21: National Public Service Week (Canada)
• 16-22: Animal Rights Awareness Week
• 16-22: Pollinator Week
• 17-23: Waste and Recycling Workers Week
• 22-28: Deafblind Awareness Week
• 22-28: Lightning Safety Awareness Week
• 30-Jul 6: Wildland Firefighter Week of Remembrance
• 30-Jul 13: Wimbledon

Days observed in June

• 1: Global Day of Parents
• 1: National Cancer Survivors Day
• 1: National Heimlich Maneuver Day
• 1: National Say Something Nice Day
• 1: World Reef Awareness Day
• 2: Native American Citizenship Day
• 3: World Bicycle Day
• 4: International Day of Innocent Children Victims of Aggression
• 5: International Day for the Fight Against Illegal, Unreported and Unregulated Fishing
• 5: World Environment Day
• 6: D-Day
• 6-10: Eid al-Adha
• 6: National Donut Day
• 6: National Gardening Exercise Day
• 6: National Gun Violence Awareness Day
• 6: National Higher Education Day
• 6: Russian Language Day
• 6-8: Wear Orange Weekend
• 6: World Pest Day
• 7: National Black Bear Day
• 7: National Trails Day
• 7: World Food Safety Day
• 8: Caribbean American HIV/AIDS Awareness Day
• 8: Family Health & Fitness Day
• 8: National Best Friends Day
• 8: Race Unity Day
• 8: World Oceans Day
• 11: International Day of Play
• 11: Yarn Bombing Day
• 12: Loving Day
• 12: National Women Veterans Recognition Day
• 12: World Day Against Child Labor
• 13: National Weed Your Garden Day
• 13: Random Acts of Light Day
• 14: Army Birthday
• 14: Flag Day
• 14: World Blood Donor Day
• 15: Father’s Day
• 15: Nature Photography Day
• 15: World Elder Abuse Awareness Day
• 15: Worldwide Day of Giving
• 16: International Day of Family Remittances
• 16: World Sea Turtle Day
• 17: Global Garbage Man Day
• 17: World Day to Combat Desertification and Drought
• 18: International Day for Countering Hate Speech
• 18: International Picnic Day
• 18: Sustainable Gastronomy Day
• 19: International Day for the Elimination of Sexual Violence in Conflict
• 19: Juneteenth
• 20: American Eagle Day
• 20: Summer Solstice
• 20: World Refugee Day
• 21: International Day of the Celebration of the Solstice
• 21: International Day of Yoga
• 21: National Indigenous Peoples Day (Canada)
• 21: National Take Your Dog to Work Day
• 21: Selfie Day
• 21: World Giraffe Day
• 21: World Music Day
• 22: National Pet Choking Prevention Day
• 22: World Rainforest Day
• 23: International Widows' Day
• 23: International Women in Engineering Day
• 23: National Family Owned & Operated Business Day
• 23: United Nations Public Service Day
• 24: International Day of Women in Diplomacy
• 25: Day of the Seafarer
• 26: Anniversary of Legalization of Same-Sex Marriage in the U.S. 
• 26: International Day Against Drug Abuse and Illicit Trafficking
• 26: International Day in Support of Victims of Torture
• 27: Micro-, Small and Medium-sized Enterprises Day
• 27: Muharram
• 27: National Food Truck Day
• 27: National HIV Testing Day
• 27: National PTSD Awareness Day
• 27: National Women’s Fly Fishing Day
• 28: National Insurance Awareness Day
• 29: International Day of the Tropics
• 29: International Fisherman Day
• 30: International Asteroid Day
• 30: International Day of Parliamentarism
• 30: National Meteor Watch Day
• 30: World Social Media Day