Weather by month for Lima, the best months to go and how Peru's regions differ, scored from 10 years of climate data.
May, Jun, Jul, Aug
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 19°C to 21°C · 0 rain days
Jan, Feb, Mar, Apr, Sep, Oct, Nov, Dec
Still good weather, just not quite the top months.
Highs 19°C to 25°C · 0–6 rain days
Weather by month
Average highs and lows, rain days, sunshine, sea temperature and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Sea temp | Score |
|---|---|---|---|---|---|
| January | 24°C / 20°C | 4 days (13 mm) | 11.1 h/day | 20°C | 6.8/10 |
| February | 25°C / 21°C | 4 days (16 mm) | 10.8 h/day | 22°C | 6.7/10 |
| March | 25°C / 21°C | 6 days (21 mm) | 10.9 h/day | 21°C | 6.4/10 |
| April | 24°C / 19°C | 2 days (4 mm) | 11.2 h/day | 21°C | 7.3/10 |
| Best month: May | 21°C / 17°C | 0 days (1 mm) | 10.5 h/day | 20°C | 8.1/10 |
| Best month: June | 20°C / 15°C | 0 days (1 mm) | 10.1 h/day | 19°C | 8.8/10 |
| Best month: July | 19°C / 15°C | 0 days (1 mm) | 10.3 h/day | 19°C | 8.8/10 |
| Best month: August | 19°C / 14°C | 0 days (1 mm) | 10.2 h/day | 18°C | 8.6/10 |
| September | 19°C / 14°C | 0 days (2 mm) | 10.7 h/day | 18°C | 8.1/10 |
| October | 20°C / 15°C | 1 day (3 mm) | 10.9 h/day | 18°C | 7.8/10 |
| November | 21°C / 16°C | 0 days (2 mm) | 11.1 h/day | 18°C | 7.8/10 |
| December | 23°C / 18°C | 2 days (9 mm) | 10.8 h/day | 19°C | 7.4/10 |
Figures for Lima; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
24°C / 20°C · 4 rain days · 11.1 h sun · sea 20°C
Lima highs reach 24°C with about 4 rain days, so it's warm and mostly dry by the coast. This is Peru's summer, scoring 6.8, a good month overall. New Year's Day kicks off the year on January 1, with many travellers still on holiday leave.
25°C / 21°C · 4 rain days · 10.8 h sun · sea 22°C
Lima warms slightly to 25°C highs with 4.2 rain days, keeping the summer feel going. The score sits at 6.7, still a good month for coastal trips. Inland, this falls in the wetter season for the Andes and Amazon, which isn't shown in this coastal data.
25°C / 21°C · 6 rain days · 10.9 h sun · sea 21°C
Highs stay near 25°C in Lima but rain days creep up to 5.8, the wettest point on the coast. The score drops a touch to 6.4, still good but the lowest of the year. It's a transition month as summer fades.
24°C / 19°C · 2 rain days · 11.2 h sun · sea 21°C
Lima cools to 23.5°C highs and rain days fall sharply to 1.7, marking the start of drier weather. The score rises to 7.3, a good month. Holy Week brings Maundy Thursday, Good Friday and Easter Sunday in early April, all public holidays with big processions.
21°C / 17°C · 0 rain days · 10.5 h sun · sea 20°C
Highs drop to 21.4°C and rain almost disappears, just 0.1 rain days in Lima. The score jumps to 8.1, the first 'best' month of the year as dry season sets in. Labour Day falls on May 1.
20°C / 15°C · 0 rain days · 10.1 h sun · sea 19°C
Lima's highs fall to 19.8°C with essentially no rain, 0.1 rain days. This is dry season and the score hits 8.8, among the best months to visit. Saint Peter and Saint Paul is marked on June 29.
19°C / 15°C · 0 rain days · 10.3 h sun · sea 19°C
Highs drop further to 19°C with zero recorded rain days, the driest stretch of the year. The score stays at 8.8, a top month for travel, though coastal Lima turns grey and overcast under its winter cloud cover. Independence Day celebrations run July 28–29, with Air Force Day on July 23.
19°C / 14°C · 0 rain days · 10.2 h sun · sea 18°C
This is the coolest month, with highs of 18.6°C and no rain days in Lima. The score of 8.6 keeps it among the best months, even though the coast sees little sun, just 10.2 hours. Battle of Junin is marked on August 6 and Santa Rosa de Lima on August 30.
19°C / 14°C · 0 rain days · 10.7 h sun · sea 18°C
Highs tick back up slightly to 19°C with only 0.3 rain days, as the dry season continues. The score of 8.1 keeps this a 'best' month, with sunshine starting to pick up again.
20°C / 15°C · 1 rain days · 10.9 h sun · sea 18°C
Lima's highs reach 19.6°C with 0.6 rain days, staying dry and mild. The score eases to 7.8, still a top-rated month. Battle of Angamos is observed on October 8.
21°C / 16°C · 0 rain days · 11.1 h sun · sea 18°C
Highs climb to 20.8°C with minimal rain, just 0.2 rain days, as spring approaches. The score holds at 7.8, keeping it among the best months. All Saints Day falls on November 1.
23°C / 18°C · 2 rain days · 10.8 h sun · sea 19°C
Highs reach 22.5°C and rain days rise to 2 as summer returns to the coast. The score of 7.4 marks a good but slightly cooler verdict than the dry months. Holidays cluster at month's end: Immaculate Conception on December 8, Battle of Ayacucho on December 9, and Christmas Day on December 25.
Regional differences
Average daytime high each month, coloured by that city's own month score.
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lima | 24°C | 25°C | 25°C | 24°C | 21°C | 20°C | 19°C | 19°C | 19°C | 20°C | 21°C | 23°C |
| Arequipa | 21°C | 20°C | 20°C | 22°C | 23°C | 23°C | 23°C | 23°C | 24°C | 24°C | 24°C | 23°C |
| Trujillo | 24°C | 26°C | 26°C | 24°C | 23°C | 22°C | 21°C | 21°C | 21°C | 21°C | 22°C | 23°C |
| Cusco | 16°C | 16°C | 16°C | 16°C | 17°C | 17°C | 17°C | 18°C | 18°C | 18°C | 18°C | 17°C |
| Iquitos | 30°C | 30°C | 30°C | 30°C | 29°C | 29°C | 29°C | 30°C | 31°C | 31°C | 30°C | 30°C |
Best Good OK Tough weather
By trip type
City sightseeing
May to August works best for city trips. These months fall in Peru's dry season, with little rain across the country, making it easier to explore urban sights and travel between cities without weather delays.
Beach
February to April are the top beach months. Lima's sea temperature peaks at 21.6°C in February and stays around 21°C through April, with warm air temperatures near 23–25°C, ideal for swimming and time on the sand.
Hiking & nature
May to August suit hiking best. This is Peru's dry season, confirmed by Lima's data showing rain days dropping to near zero and rainfall of just 1mm a month, which means clearer trails and more reliable conditions in the mountains.
Events calendar
Public holidays: New Year's Day (1 Jan)
Public holidays: Maundy Thursday (2 Apr), Good Friday (3 Apr), Easter Sunday (5 Apr)
Public holidays: Labour Day (1 May)
Public holidays: Saint Peter and Saint Paul (29 Jun)
Public holidays: Air Force Day (23 Jul), Independence Day (28 Jul), Independence Day (29 Jul)
Public holidays: Battle of Junin (6 Aug), Santa Rosa de Lima (30 Aug)
Public holidays: Battle of Angamos (8 Oct)
Public holidays: All Saints Day (1 Nov)
Public holidays: Immaculate Conception (8 Dec), Battle of Ayacucho (9 Dec), Christmas Day (25 Dec)
Keep planning
FAQ
Yes, July is one of the best months, with a score of 8.8 out of 10. In Lima, days reach a high of 19°C and there are 0 rain days, so skies stay dry. This month sits in the dry season, which runs from roughly May to September, making it a reliable time for outdoor plans.
February is rated good, scoring 6.7 out of 10, slightly lower than the dry-season months. Lima sees warmer highs of 25.4°C but also more rain, with 4.2 rain days and 16mm of rainfall, the wettest reading in the data set. Expect humid, showery conditions on the coast.
June and July tie as the top months, each scoring 8.8 out of 10. Both fall in the dry season, when Lima records 0 to 0.1 rain days and under 20°C highs. September and August are close behind with scores of 8.1 and 8.6, so the whole May-to-September stretch works well.
December is rated good, with a score of 7.4 out of 10. Lima's highs climb to 22.5°C and rainfall returns, with 2 rain days and 9mm of rain that month, more than the dry mid-year months. It marks the start of the wetter season, which builds further into February and March.
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