Ciudad Constitución weather in December
In December, Ciudad Constitución sees average daytime highs of 26°C and overnight lows near 12°C, with 10 mm of rain across 1.4 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.
Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 56% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Ciudad Constitución's 12th-clearest and 12th-windiest month. For the whole year in context, see Ciudad Constitución's year-round climate.
- Daytime high
- 26°
- 11th warmest
- Overnight low
- 12°
- 3rd coldest
- Rainfall
- 10 mm
- 1.4 wet days
- Daylight
- 10 h 30 min
- 7:09 AM – 5:36 PM
- Cloud cover
- 41%
- 12th clearest
- Wind
- 11 km/h
- 12th windiest
- Solar energy
- 4.19 kWh/m²
- Travel score
- 8.4
- out of 10
Ciudad Constitución is municipal seat of Comondú, State of Baja California Sur, Mexico.
- Founded
- 1953
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 27°C in the first days to 25°C by the end.
A typical December day in Ciudad Constitución reaches about 26°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 14 |
| 2 | 27 | 14 |
| 3 | 27 | 14 |
| 4 | 27 | 13 |
| 5 | 27 | 13 |
| 6 | 26 | 13 |
| 7 | 26 | 13 |
| 8 | 26 | 13 |
| 9 | 26 | 13 |
| 10 | 26 | 13 |
| 11 | 26 | 13 |
| 12 | 26 | 13 |
| 13 | 26 | 13 |
| 14 | 26 | 12 |
| 15 | 26 | 12 |
| 16 | 25 | 12 |
| 17 | 25 | 12 |
| 18 | 25 | 12 |
| 19 | 25 | 12 |
| 20 | 25 | 12 |
| 21 | 25 | 12 |
| 22 | 25 | 12 |
| 23 | 25 | 12 |
| 24 | 25 | 12 |
| 25 | 25 | 12 |
| 26 | 25 | 12 |
| 27 | 25 | 12 |
| 28 | 25 | 12 |
| 29 | 25 | 12 |
| 30 | 25 | 12 |
| 31 | 25 | 12 |
How December really feels in Ciudad Constitución
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ciudad Constitución weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 12° | 7 | 1 | 10.6 | 8.6 |
| Feb | 26° / 12° | 7 | 1.2 | 11.1 | 8.3 |
| Mar | 27° / 13° | 3 | 0.4 | 11.8 | 8.4 |
| Apr | 28° / 14° | 1 | 0.1 | 12.6 | 7.6 |
| May | 30° / 15° | 0 | 0.1 | 13.2 | 7.1 |
| Jun | 32° / 18° | 2 | 0.2 | 13.5 | 5.6 |
| Jul | 35° / 22° | 3 | 0.6 | 13.4 | 3.5 |
| Aug | 35° / 24° | 18 | 2.4 | 12.9 | 2.8 |
| Sep | 35° / 24° | 46 | 4.2 | 12.2 | 3.3 |
| Oct | 32° / 20° | 16 | 1.3 | 11.4 | 5.2 |
| Nov | 29° / 16° | 12 | 1 | 10.8 | 7.2 |
| Dec | 26° / 12° | 10 | 1.4 | 10.5 | 8.4 |
Cloud cover in December
The sky is clear or mostly clear about 56% of the time in December, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 35%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 67 | 66 | 65 | 65 | 64 | 64 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 65 | 66 | 66 | 67 | 67 |
| Cloudier (%) | 33 | 34 | 35 | 35 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 35 | 34 | 34 | 33 | 33 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 66 | 34 |
| 3 | 65 | 35 |
| 4 | 65 | 35 |
| 5 | 64 | 36 |
| 6 | 64 | 36 |
| 7 | 65 | 35 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 66 | 34 |
| 12 | 66 | 34 |
| 13 | 66 | 34 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 66 | 34 |
| 19 | 66 | 34 |
| 20 | 65 | 35 |
| 21 | 65 | 35 |
| 22 | 65 | 35 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 64 | 36 |
| 27 | 65 | 35 |
| 28 | 66 | 34 |
| 29 | 66 | 34 |
| 30 | 67 | 33 |
| 31 | 67 | 33 |
Chance of precipitation in December
Ciudad Constitución gets around 10 mm of rain over 1.4 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Rain chance (%) | |
|---|---|
| 1 | 5 |
| 2 | 5 |
| 3 | 6 |
| 4 | 6 |
| 5 | 6 |
| 6 | 6 |
| 7 | 5 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 5 |
| 12 | 5 |
| 13 | 5 |
| 14 | 5 |
| 15 | 5 |
| 16 | 5 |
| 17 | 5 |
| 18 | 4 |
| 19 | 4 |
| 20 | 4 |
| 21 | 4 |
| 22 | 4 |
| 23 | 4 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 4 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 59 | 60 | 61 | 63 | 64 | 64 | 65 | 65 | 66 | 68 | 70 | 71 | 73 | 75 | 77 | 79 | 80 | 82 | 83 | 84 | 84 | 85 | 84 | 85 | 85 | 85 | 84 | 83 | 83 | 82 | 82 |
| Comfortable (%) | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 |
| Humid (%) | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Muggy (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 59 | 26 | 13 | 2 |
| 2 | 60 | 25 | 13 | 2 |
| 3 | 61 | 25 | 13 | 1 |
| 4 | 63 | 24 | 12 | 1 |
| 5 | 64 | 24 | 11 | 1 |
| 6 | 64 | 24 | 11 | 1 |
| 7 | 65 | 24 | 10 | 1 |
| 8 | 65 | 24 | 10 | 1 |
| 9 | 66 | 24 | 9 | 1 |
| 10 | 68 | 23 | 8 | 1 |
| 11 | 70 | 23 | 7 | 0 |
| 12 | 71 | 22 | 7 | 0 |
| 13 | 73 | 21 | 6 | 0 |
| 14 | 75 | 20 | 5 | 0 |
| 15 | 77 | 19 | 4 | 0 |
| 16 | 79 | 18 | 3 | 0 |
| 17 | 80 | 17 | 3 | 0 |
| 18 | 82 | 16 | 2 | 0 |
| 19 | 83 | 15 | 2 | 0 |
| 20 | 84 | 14 | 2 | 0 |
| 21 | 84 | 14 | 2 | 0 |
| 22 | 85 | 13 | 2 | 0 |
| 23 | 84 | 13 | 2 | 1 |
| 24 | 85 | 12 | 2 | 1 |
| 25 | 85 | 12 | 2 | 1 |
| 26 | 85 | 12 | 2 | 1 |
| 27 | 84 | 13 | 2 | 1 |
| 28 | 83 | 13 | 3 | 1 |
| 29 | 83 | 13 | 3 | 1 |
| 30 | 82 | 14 | 3 | 1 |
| 31 | 82 | 14 | 3 | 1 |
Wind in December
Winds average 11 km/h in December, the calmest month.
Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 36 min at the start of December to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:00 AM to 7:16 AM, and sunset from 5:33 PM to 5:44 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 | 10.5 | 10.5 |
| Sunrise (AM) | 7:00 | 7:00 | 7:01 | 7:02 | 7:02 | 7:03 | 7:04 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:14 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 |
| Sunset (PM) | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.6 | 7:00 | 5:33 |
| 2 | 10.5 | 7:00 | 5:33 |
| 3 | 10.5 | 7:01 | 5:33 |
| 4 | 10.5 | 7:02 | 5:33 |
| 5 | 10.5 | 7:02 | 5:33 |
| 6 | 10.5 | 7:03 | 5:34 |
| 7 | 10.5 | 7:04 | 5:34 |
| 8 | 10.5 | 7:04 | 5:34 |
| 9 | 10.5 | 7:05 | 5:34 |
| 10 | 10.5 | 7:06 | 5:34 |
| 11 | 10.5 | 7:06 | 5:35 |
| 12 | 10.5 | 7:07 | 5:35 |
| 13 | 10.5 | 7:08 | 5:35 |
| 14 | 10.5 | 7:08 | 5:36 |
| 15 | 10.5 | 7:09 | 5:36 |
| 16 | 10.5 | 7:09 | 5:36 |
| 17 | 10.4 | 7:10 | 5:37 |
| 18 | 10.4 | 7:10 | 5:37 |
| 19 | 10.4 | 7:11 | 5:38 |
| 20 | 10.4 | 7:11 | 5:38 |
| 21 | 10.4 | 7:12 | 5:38 |
| 22 | 10.4 | 7:12 | 5:39 |
| 23 | 10.4 | 7:13 | 5:39 |
| 24 | 10.4 | 7:13 | 5:40 |
| 25 | 10.4 | 7:14 | 5:40 |
| 26 | 10.4 | 7:14 | 5:41 |
| 27 | 10.4 | 7:14 | 5:41 |
| 28 | 10.5 | 7:15 | 5:42 |
| 29 | 10.5 | 7:15 | 5:43 |
| 30 | 10.5 | 7:16 | 5:43 |
| 31 | 10.5 | 7:16 | 5:44 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.19 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 8.09 kWh/m² in May across the year — December's 4.19 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.3 | Bright |
| 29 | 4.3 | Bright |
| 30 | 4.3 | Bright |
| 31 | 4.3 | Bright |
Hazard calendar for Ciudad Constitución
None of Ciudad Constitución's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Ciudad Constitución sits in the eastern Pacific hurricane zone; the season peaks August–September.
Is December a good time to visit Ciudad Constitución?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Ciudad Constitución for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ciudad Constitución in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Ciudad Constitución sees daytime highs around 26°C and nights near 12°C. Worth packing: light clothes.
Sea temperature near Ciudad Constitución in December
The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 48 km away) is warmest in September at about 26°C and coldest in April near 18°C.
It's comfortable for a long swim from Jun 25 to Jan 19 — about 6.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 19 | 18 | 18 | 18 | 19 | 23 | 25 | 26 | 25 | 23 | 22 |
| Comfort | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 19 | Cool |
| Mar | 18 | Cool |
| Apr | 18 | Cool |
| May | 18 | Cool |
| Jun | 19 | Cool |
| Jul | 23 | Refreshing |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 22 | Refreshing |
UV index in Ciudad Constitución in December
Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ciudad Constitución peaks around July 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 7 | 9 | 11 | 11 | 12 | 13 | 11 | 10 | 8 | 6 | 5 |
| Level | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Where is Ciudad Constitución?
Ciudad Constitución sits at 25.0°N, 111.7°W, 53 m above sea level, in Mexico. The nearest listed city is La Paz, 169 km away.
Topography around Ciudad Constitución
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ciudad Constitución.
Within 3 km, the terrain around Ciudad Constitución has only modest variations in elevation — a maximum elevation change of 14 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, large variations in elevation — a maximum elevation change of 1,115 m.
The land around Ciudad Constitución is covered by bare terrain (51%) and artificial surfaces (33%) within 3 km, bare terrain (52%) and shrubs (35%) within 16 km, and shrubs (58%) and water (24%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ciudad Constitución (25.0321°, -111.6626°, elevation 53 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).