Hermosillo weather by month & the best time to visit
🇲🇽 Mexico · city break · semi-arid climate
The best time to visit Hermosillo is April — its sunniest month (Sunshine Score 100/100), with February and March close behind. Hermosillo averages about 3,844 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 2 mm of rain in April.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 3,844
- Sunniest month
- April
- Peak score
- 100/100
- Rain / year
- 383 mm
- Midday UV at peak
- 11 (extreme)
- Population
- 812k
- Elevation
- 186 m
When is the best time to visit Hermosillo?
For sunshine, the best time to visit Hermosillo is April, then February and March. The dullest month is June (20/100, 12 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hermosillo?
Hermosillo is one of the sunniest places on Earth: about 3,844 hours of sunshine a year. 80 Sunshine Score points separate April (100) from June (20), so the month you pick matters. It ranks #2 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 383 mm falls in the three months around August.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 97 | 23° / 73°F | 8° / 46°F | 16 mm | 4 |
| February | 98 | 25° / 77°F | 9° / 48°F | 13 mm | 6 |
| March | 98 | 29° / 84°F | 12° / 54°F | 9 mm | 8 |
| April | 100 | 32° / 90°F | 14° / 57°F | 2 mm | 10 |
| May | 70 | 35° / 95°F | 18° / 64°F | 1 mm | 11 |
| June | 20 | 40° / 104°F | 23° / 73°F | 12 mm | 11 |
| July | 40 | 37° / 99°F | 26° / 79°F | 110 mm | 11 |
| August | 49 | 36° / 97°F | 25° / 77°F | 99 mm | 10 |
| September | 51 | 36° / 97°F | 23° / 73°F | 80 mm | 9 |
| October | 88 | 33° / 91°F | 18° / 64°F | 14 mm | 7 |
| November | 97 | 28° / 82°F | 13° / 55°F | 15 mm | 5 |
| December | 98 | 23° / 73°F | 9° / 48°F | 12 mm | 4 |
See Hermosillo on the interactive sunshine globe →
Nearby places for sunshine
- Ciudad Obregón Mexico · 224 km · best in Apr · 3,623 h sun/yr
- Tucson United States · 336 km · best in Apr · 3,726 h sun/yr
- Los Mochis Mexico · 426 km · best in Mar · 3,511 h sun/yr
- Mesa United States · 472 km · best in Apr · 3,778 h sun/yr
- Phoenix United States · 491 km · best in Apr · 3,833 h sun/yr
- Chihuahua Mexico · 497 km · best in Feb · 3,641 h sun/yr
Nearest destinations
- Guaymas Mexico · 126 km · 3,717 h sun/yr · best in Apr
- Mulegé Mexico · 245 km · 3,774 h sun/yr · best in Apr
- Guerrero Negro Mexico · 313 km · 3,207 h sun/yr · best in Apr
- Puerto Peñasco Mexico · 332 km · 3,864 h sun/yr · best in Apr
Head-to-head
How Hermosillo compares month by month: Hermosillo vs Tucson · Hermosillo vs Ciudad Obregón · Hermosillo vs Los Mochis · all comparisons
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