# Half Moon Bay, United States: what it is and when to go > Half Moon Bay is a bay of the Pacific Ocean off the coast of San Mateo County, California, United States (San Mateo, California), at -4 m above sea level. Interests: Nature. The best time to visit is April to October. In June there are 14 h 34 of daylight, and in December, 9 h 26. It has articles in 6 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/america/estados-unidos/half-moon-bay/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** Bay of the Pacific Ocean off the coast of San Mateo County, California, United States · Nature - **Where:** United States - **Elevation:** -4 m - **Best time:** April to October. - **Nearest airport:** SFO San Francisco, 17 km as the crow flies - **Coordinates:** 37.48327, -122.47192 ## What it is and where Half Moon Bay is a bay of the Pacific Ocean off the coast of San Mateo County, California, United States (San Mateo, California), at -4 m above sea level. It has articles in 6 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. It is in [San Mateo, California](https://kokai.app/en/paises/america/estados-unidos/san-mateo/), where this site lists 29 more places to see, 16 km from the centre. Its coordinates are 37.48327, -122.47192; the nearest main airport is San Francisco International Airport (SFO, San Francisco), 17 km as the crow flies. How to get around United States (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=37.483274%2C-122.471922) - [Directions](https://www.google.com/maps/dir/?api=1&destination=37.483274%2C-122.471922) It is one of the [Nature](https://kokai.app/en/paises/america/estados-unidos/naturaleza/) places in United States. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Half Moon Bay is **April to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 41 | | February | Possible | 10 h 37 | | March | Possible | 11 h 43 | | April | Best time | 12 h 58 | | May | Best time | 14 h 01 | | June | Best time | 14 h 34 | | July | Best time | 14 h 21 | | August | Best time | 13 h 27 | | September | Best time | 12 h 14 | | October | Best time | 11 h | | November | Possible | 9 h 57 | | December | Possible | 9 h 26 | In June there are 14 h 34 of daylight, and in December, 9 h 26. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to United States in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#cuando-ir). ## Before you go to United States To enter United States there are 9 things to sort out before you leave, starting with “Book national parks and cars in advance”: they are all, with their deadlines, in [the United States checklist](https://kokai.app/en/paises/america/estados-unidos/#antes-de-salir). Currency: US dollar (USD); plugs: Type A and B · 120 V · 60 Hz (you need an adapter, and check your devices' voltage); emergencies: 911 for everything. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Miramar Beach, California](https://kokai.app/en/paises/america/estados-unidos/miramar-beach/): Sandy beach in San Mateo County, California, USA · 1.5 km - [Hop Dogma](https://kokai.app/en/paises/america/estados-unidos/hop-dogma/): Brewery · 2.6 km - [Mavericks Beach](https://kokai.app/en/paises/america/estados-unidos/mavericks/): Surfing location in Northern California, United States · 2.6 km - [Jettywave Distillery](https://kokai.app/en/paises/america/estados-unidos/jettywave-distillery/): Distillery · 2.8 km - [Half Moon Bay State Beach](https://kokai.app/en/paises/america/estados-unidos/half-moon-bay-state-beach/): State beach in San Mateo County, California, USA · 3.7 km Distances are as the crow flies. Everything else is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/). ## More in United States: Nature - [Niagara Falls](https://kokai.app/en/paises/america/estados-unidos/niagara-falls-2/): three waterfalls that straddle the international border between Canada and the United States - [Grand Canyon](https://kokai.app/en/paises/america/estados-unidos/grand-canyon-2/): steep-sided canyon carved by the Colorado River in Arizona, United States - [Yellowstone National Park](https://kokai.app/en/paises/america/estados-unidos/parque-nacional-de-yellowstone/): first national park in the world, located in Wyoming, Montana, and Idaho in the United States - [Denali](https://kokai.app/en/paises/america/estados-unidos/monte-denali/): highest mountain in North America, located in Alaska - [Mount Rushmore](https://kokai.app/en/paises/america/estados-unidos/mount-rushmore/): mountain in South Dakota featuring a sculpture of four US presidents - [Mauna Kea](https://kokai.app/en/paises/america/estados-unidos/mauna-kea/): Hawaiian volcano Every United States place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/naturaleza/). ## Frequently asked questions ### What is Half Moon Bay? It is a bay of the Pacific Ocean off the coast of San Mateo County, California, United States. It has articles in 6 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. ### When is the best time to visit Half Moon Bay? April to October. In June there are 14 h 34 of daylight, and in December, 9 h 26. ### How do you get to Half Moon Bay? The nearest main airport is San Francisco International Airport (SFO), 17 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=37.483274%2C-122.471922) opens the route on the map, and how to get around United States is explained in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the United States map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Miramar Beach, California](https://kokai.app/en/paises/america/estados-unidos/miramar-beach/), [Hop Dogma](https://kokai.app/en/paises/america/estados-unidos/hop-dogma/), [Mavericks Beach](https://kokai.app/en/paises/america/estados-unidos/mavericks/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/369163609), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q3782546), CC0. More about Half Moon Bay on [Wikipedia](https://en.wikipedia.org/wiki/Half_Moon_Bay_(California)). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).