Trujillo is warmest in August, averaging 26° by day and 13° at night. The wettest month is January with 37 mm, and the year brings about 225 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 24° | 14° | 37 mm | 20° | 12.4 h | Sightseeing |
| February | 24° | 14° | 25 mm | 22° | 12.3 h | Sightseeing |
| March | 24° | 15° | 31 mm | 22° | 12.1 h | Sightseeing |
| April | 24° | 14° | 24 mm | 20° | 11.8 h | Sightseeing |
| May | 25° | 14° | 9 mm | 18° | 11.6 h | Beach weather |
| June | 25° | 13° | 3 mm | 18° | 11.5 h | Sightseeing |
| July | 25° | 12° | 16 mm | 18° | 11.6 h | Beach weather |
| August | 26° | 13° | 3 mm | 17° | 11.7 h | Beach weather |
| September | 26° | 14° | 9 mm | 16° | 12.0 h | Beach weather |
| October | 25° | 14° | 19 mm | 16° | 12.2 h | Sightseeing |
| November | 24° | 14° | 15 mm | 17° | 12.4 h | Sightseeing |
| December | 23° | 14° | 34 mm | 18° | 12.5 h | Sightseeing |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: May, July, August and September — highs around 25°, nights no colder than 12°, and at most 16 mm of rain in a month. The sea sits at 16–18° then.
Walking the city: January, February, March, April, June, October, November and December — highs of 23–25° and no more than 37 mm of rain a month.