Weather in Salvador in May
Brazil · 20-year averages, May
Shoulder season. May sits in between. You will get good days and you will lose some. You should expect rain on 21 days of the month, which is more days wet than dry.
May ranks 10 of 12 — near the bottom of Salvador's year. September is the month that works, and the swing between the two is 20 points, which is a different holiday rather than a slightly better one.
Rain on 21 of the month's 31 days, 5 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Natural fibres and a second shirt for the day. At 82% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 4 days top 30 °C — hot spells arrive, but they break; the day barely swings — 4.7 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest May day reached 33.1 °C and the coldest night fell to 21.2 °C, and the wettest single day dropped 79 mm — roughly 48% of the month's rain in one day.
May is moderately variable: 76 mm in the driest year against 447 mm in the wettest, around an average of 166 mm. Roughly two Mays in three land near that average, and the third does something else entirely.
Wind is light at 7.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, high enough to notice on the warm days without dominating them.
How May sits in the year
Temperatures hold steady either side: 30.2 °C in April, 28.6 here, 27.3 in June. Nothing about the timing within the month matters much.
Daylight in May
Salvador sits close enough to the equator that daylight barely moves all year — 11.5 hours in May, against a range of just 1.5 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
Sea temperature
The sea sits at about 27.9 °C in May — warm enough that the water offers no relief from the heat. The sea peaks at 28.7 °C in March and bottoms out at 25.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
May in Salvador versus nearby
If Salvador is one option among several, the nearby comparison is worth making. Maceió is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Recife is close enough to be a coin toss — within a degree on temperature, 3 days more rain.
So: May works, with September the better month by 14 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Salvador
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 31 | 24.5 | 14 | 83 | 73 | 12.8 | 27.8 | 57 |
| February | 31.2 | 24.9 | 14 | 86 | 74 | 12.5 | 28.3 | 56 |
| March | 31.2 | 25 | 17 | 100 | 76 | 12.2 | 28.7 | 50 |
| April | 30.2 | 24.8 | 21 | 147 | 78 | 11.8 | 28.6 | 51 |
| May | 28.6 | 23.9 | 21 | 166 | 82 | 11.5 | 27.9 | 56 |
| June | 27.3 | 22.9 | 23 | 138 | 81 | 11.4 | 26.9 | 63 |
| July | 26.6 | 22 | 22 | 128 | 81 | 11.4 | 26.1 | 64 |
| August | 26.8 | 21.6 | 20 | 96 | 79 | 11.7 | 25.7 | 65 |
| September | 28 | 22 | 15 | 71 | 77 | 12 | 25.7 | 70 |
| October | 29.5 | 23 | 12 | 69 | 75 | 12.4 | 26.2 | 67 |
| November | 30.5 | 23.7 | 12 | 72 | 74 | 12.7 | 26.7 | 62 |
| December | 31.1 | 24.2 | 10 | 57 | 73 | 12.9 | 27.3 | 63 |
See all twelve months in Salvador, or where else to go in May.
Planning the rest of the trip
- Flight time to Salvador how long you are actually in the air
- Salvador time zone and the difference from home
- Days until your trip count down to the departure date