Rainy season

Peru: when is the rainy season?

The rainy season lasts from February to March, the dry season from May to September. Best time to travel, dry and with good holiday weather: May – September.

Precipitation by destination

Arequipa
No pronounced rainy season
1. 70
2. 100
3. 66
4. 24
5. 6
6. 1
7. 2
8. 4
9. 3
10. 4
11. 3
12. 15
Cajamarca
Rainy: from December to April
1. 284
2. 330
3. 391
4. 242
5. 134
6. 47
7. 23
8. 32
9. 104
10. 203
11. 169
12. 248
Callao
No pronounced rainy season
1. 19
2. 32
3. 26
4. 7
5. 2
6. 2
7. 1
8. 1
9. 2
10. 3
11. 2
12. 6
Chiclayo
No pronounced rainy season
1. 23
2. 36
3. 65
4. 21
5. 6
6. 1
7. 0
8. 1
9. 1
10. 4
11. 5
12. 9
Chimbote
No pronounced rainy season
1. 4
2. 6
3. 7
4. 1
5. 2
6. 3
7. 3
8. 3
9. 3
10. 2
11. 1
12. 3
Cusco
Rainy: from December to March
1. 368
2. 348
3. 289
4. 177
5. 153
6. 120
7. 119
8. 152
9. 183
10. 225
11. 250
12. 346
Huancayo
Rainy: from December to March
1. 191
2. 191
3. 161
4. 76
5. 51
6. 26
7. 30
8. 45
9. 69
10. 105
11. 109
12. 170
Huaraz
Rainy: from January to April
1. 210
2. 269
3. 308
4. 187
5. 87
6. 50
7. 46
8. 66
9. 110
10. 118
11. 103
12. 145
Iquitos
Rainy: from March to April
1. 256
2. 230
3. 301
4. 308
5. 272
6. 214
7. 159
8. 146
9. 162
10. 197
11. 227
12. 265
Juliaca
Rainy: from December to March
1. 205
2. 191
3. 176
4. 76
5. 21
6. 6
7. 6
8. 14
9. 45
10. 72
11. 81
12. 147
La Rinconada
Rainy: from December to March
1. 200
2. 189
3. 142
4. 74
5. 38
6. 17
7. 16
8. 31
9. 56
10. 101
11. 119
12. 186
Lima
No pronounced rainy season
1. 19
2. 32
3. 26
4. 7
5. 2
6. 2
7. 1
8. 1
9. 2
10. 3
11. 2
12. 6
Machu Picchu
Rainy: from November to March
1. 292
2. 274
3. 262
4. 177
5. 95
6. 50
7. 43
8. 63
9. 91
10. 164
11. 217
12. 278
Nazca
No pronounced rainy season
1. 11
2. 16
3. 8
4. 1
5. 0
6. 0
7. 0
8. 0
9. 0
10. 1
11. 0
12. 3
Ollantaytambo
Rainy: from November to March
1. 292
2. 274
3. 262
4. 177
5. 95
6. 50
7. 43
8. 63
9. 91
10. 164
11. 217
12. 278
Paracas
No pronounced rainy season
1. 4
2. 5
3. 3
4. 1
5. 0
6. 0
7. 0
8. 0
9. 0
10. 0
11. 0
12. 1
Písac
Rainy: from December to March
1. 559
2. 543
3. 438
4. 272
5. 216
6. 156
7. 137
8. 169
9. 210
10. 298
11. 386
12. 520
Pisco
No pronounced rainy season
1. 4
2. 5
3. 3
4. 1
5. 0
6. 0
7. 0
8. 0
9. 0
10. 0
11. 0
12. 1
Piura
Rainy: in March
1. 41
2. 85
3. 142
4. 53
5. 5
6. 2
7. 1
8. 1
9. 1
10. 4
11. 9
12. 24
Pucallpa
Rainy: from November to March
1. 274
2. 291
3. 345
4. 252
5. 160
6. 93
7. 74
8. 87
9. 128
10. 205
11. 261
12. 271
Puerto Maldonado
Rainy: from November to March
1. 368
2. 360
3. 296
4. 164
5. 85
6. 47
7. 40
8. 56
9. 105
10. 212
11. 263
12. 335
Puno
Rainy: from December to March
1. 205
2. 191
3. 176
4. 76
5. 21
6. 6
7. 6
8. 14
9. 45
10. 72
11. 81
12. 147
Tacna
No pronounced rainy season
1. 18
2. 22
3. 13
4. 6
5. 25
6. 31
7. 28
8. 22
9. 17
10. 10
11. 4
12. 6
Tarapoto
Rainy: from February to April
1. 206
2. 228
3. 300
4. 234
5. 172
6. 113
7. 86
8. 79
9. 114
10. 185
11. 214
12. 219
Trujillo
No pronounced rainy season
1. 18
2. 34
3. 51
4. 17
5. 4
6. 2
7. 2
8. 2
9. 3
10. 5
11. 5
12. 11
Tumbes
Rainy: from February to April
1. 78
2. 174
3. 195
4. 122
5. 39
6. 11
7. 4
8. 2
9. 5
10. 9
11. 16
12. 37
Urubamba
Rainy: from December to February
1. 509
2. 484
3. 382
4. 250
5. 253
6. 193
7. 179
8. 214
9. 253
10. 328
11. 369
12. 486

Long-term precipitation per month, mm. Rainy months: well above the place's own average (at least 100 mm); dry months: half the average or less, or under 60 mm.

Peru: rainy season, quick answers

Peru: when is the rainy season?

The rainy season lasts from February to March. On average, 183 mm fall in February, the wettest month.

Peru: when is the dry season?

The driest months are May – September, with 39 mm on average in July.

Peru: when is the best time to avoid the rain?

May – September: dry months with good holiday weather at most destinations.

Peru: weather & best time to visit Rainy season: when is the dry season?

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences