Ciudad Constitución weather by month & the best time to visit
Mexico · small town · hot desert climate

The best time to visit Ciudad Constitución is April — its sunniest month (Sunshine Score 100/100), with May and June close behind. Ciudad Constitución averages about 3,727 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 1 mm of rain in April.
When is the best time to visit Ciudad Constitución?
For sunshine, the best time to visit Ciudad Constitución is April, then May and June. The dullest month is August (55/100, 41 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ciudad Constitución?
Ciudad Constitución is one of the sunniest places on Earth: about 3,727 hours of sunshine a year. 45 Sunshine Score points separate April (100) from August (55), so the month you pick matters. It ranks #8 of 62 destinations in Mexico for annual sunshine, above the national median of 3,138 hours. Rain is strongly seasonal here: roughly 75% of the year's 196 mm falls in the three months around September.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 99 | 25° / 77°F | 11° / 52°F | 8 mm | 5 |
| February | 99 | 25° / 77°F | 11° / 52°F | 8 mm | 7 |
| March | 99 | 27° / 81°F | 12° / 54°F | 3 mm | 9 |
| April | 100 | 28° / 82°F | 13° / 55°F | 1 mm | 10 |
| May | 100 | 29° / 84°F | 14° / 57°F | 0 mm | 11 |
| June | 100 | 32° / 90°F | 16° / 61°F | 2 mm | 11 |
| July | 69 | 35° / 95°F | 21° / 70°F | 11 mm | 11 |
| August | 55 | 36° / 97°F | 23° / 73°F | 41 mm | 11 |
| September | 69 | 34° / 93°F | 22° / 72°F | 72 mm | 10 |
| October | 94 | 31° / 88°F | 19° / 66°F | 34 mm | 8 |
| November | 98 | 28° / 82°F | 15° / 59°F | 11 mm | 6 |
| December | 99 | 24° / 75°F | 12° / 54°F | 5 mm | 5 |
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Ciudad Constitución: questions and answers
What kind of destination is Ciudad Constitución?
Ciudad Constitución is a small town in Mexico with a hot desert climate.
How many hours of sunshine does Ciudad Constitución get a year?
Ciudad Constitución gets about 3,727 hours of sunshine a year, at its best around April.
When is the best time to visit Ciudad Constitución?
The sunniest time to visit Ciudad Constitución is April, when the Sunshine Score peaks at 100/100 (with May and June close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Ciudad Constitución?
August is the least sunny month in Ciudad Constitución, scoring 55/100 with about 41 mm of rain.
How strong is the sun in Ciudad Constitución?
The typical midday UV index in Ciudad Constitución peaks around 11 (extreme) in May, easing to about 5 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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