Parika, Guyana offers 1 beach perfect for sunbathing, surfing, swimming, and more. Parika, Essequibo Islands West Demerara, Guyana, is known for being a gateway to the Essequibo River and its surrounding natural attractions. The best time to travel to Parika, Guyana, is from late August to early November, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!