Geminids from Mexico City in 2026

Geminids from Mexico City: the short answer

Mexico City is at 19.4°N and 2240 m, which puts the Geminids radiant 77.1° up at culmination (02:39 local time) on the night of maximum, 14 December 2026. Peak activity is 07:41, the reference-sky rate tops out at 145.8 an hour, and 23:00–06:00 is the stretch to be outside.

That makes the Geminids the strongest of the twelve annual showers from Mexico City in 2026, ahead of the Perseids at 71.1 an hour.

The radiant track over this city

Gemini carries the radiant. From Mexico City it clears the horizon at 19:48 on a bearing of 55° (NE), reaches 77.1° at 02:39 in the north, and drops back below the horizon at 09:31. Within the observing window it peaks at 76.4°.

When it gets dark here

Mexico City loses the Sun at 17:59 and gets it back at 07:02. True astronomical darkness — the only part that counts for faint meteors — runs 19:18 to 05:43, 10 h 25 min out of 13 h 3 min of night.

Local solar midnight, the true middle of the night, falls at 00:30 here rather than at 00:00: America/Mexico_City runs 37 minutes ahead of mean solar time at 99.13°W. That offset is why the best hour on this page is not the hour you would guess from the clock.

What the Moon does here

The Moon is 23% lit and out of the way for 9 of the 12 sampled dark hours. Moonrise 11:08. Moonset 22:02. At the best hour it is 67.2° below the horizon, and the limiting magnitude works out at 6.50.

Why 146 an hour and not 150

Converting ZHR 150 into something useful for Mexico City means multiplying by sin(76.4°) and dividing by 2.6 raised to (6.5 − 6.50). That lands at 145.8 meteors an hour, from medium-speed 33.8 km/s entries.

Hour by hour the modelled rate runs from 0.0 at 19:00 (radiant -9.1°) to 16.0 at 06:00 (radiant 43.6°), peaking at 145.8. That spread across 12 hours is why a "what time" answer beats a "how many" answer.

The stream comes from Minor planet (3200) Phaethon and is listed as active 4 December to 20 December, so 14 December 2026 is the best night from Mexico City rather than the only one.

Watching from around Mexico City

Mexico City is the 13th largest of the 300 cities covered here, with a population of 12.29 million at 2240 m above sea level. The nearest other cities on the site are Puebla (105 km ESE), Santiago de Querétaro (184 km NW), León de los Aldama (326 km NW) — close enough that the radiant altitudes barely change, far enough that sunset and moonrise do.

What this page does not know

Light-pollution data for this location is not connected yet. Rates on this page are computed against the reference rural sky the zenithal hourly rate is defined for (naked-eye limiting magnitude 6.5); they are not a claim about how bright the sky is where you are standing. Once the light-pollution layer is connected these figures will be recomputed for the local sky and will generally fall.

Cloud cover is a forecast, not a constant, so it is resolved when you load the tonight card and is deliberately absent from this prerendered page — the hourly table shows "unavailable" rather than assuming clear skies. Meteor outbursts, local terrain and building horizons are not modelled.

A single observer with an unobstructed horizon typically records 30–50% below the ideal-sky figure. Give your eyes twenty minutes to adapt, keep bright screens away, look about halfway up the sky rather than straight at the radiant, and count for a full hour before judging a shower.