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's figures show January highs of 24.3°C and lows of 19.9°C. There are about 4 rain days, but they bring only 13 mm of rain in total. You get 11.1 hours of sun a day, and the sea is 19.6°C. January scores 6.8 and is rated good, a solid choice for warm days on the coast.
25°C / 21°C · 4 rain days · 10.8 h sun · sea 22°C
February is the warmest month in Lima, with highs of 25.4°C and lows of 21°C. The sea also peaks at 21.6°C. There are about 4 rain days with 16 mm of rain, so showers are light. It scores 6.7 and is rated good, mainly because of the heat and the extra rain days.
25°C / 21°C · 6 rain days · 10.9 h sun · sea 21°C
March stays hot in Lima, with highs of 25.1°C and lows of 20.6°C. It has the most rain of the year: 5.8 rain days and 21 mm, though that total is still small. At 6.4, its score is the lowest of the year, but the month is still rated good. The sea remains warm at 21.4°C.
24°C / 19°C · 2 rain days · 11.2 h sun · sea 21°C
April cools a little in Lima, with highs of 23.5°C and lows of 19.1°C. Rain drops to 1.7 days and 4 mm. It has the most sun of any month, at 11.2 hours a day, and the sea is still 21.3°C. April scores 7.3 and is rated good, a step up from the months before.
21°C / 17°C · 0 rain days · 10.5 h sun · sea 20°C
May starts the best-rated period in Lima, with a score of 8.1. Highs are 21.4°C and lows 17°C, so days feel mild rather than hot. Rain almost disappears: 0.1 rain days and 1 mm. The sea is 19.9°C, and you can expect 10.5 hours of sun a day.
20°C / 15°C · 0 rain days · 10.1 h sun · sea 19°C
June scores 8.8, one of the 2 highest scores of the year, and is rated best. Lima's highs fall to 19.8°C and lows to 15.4°C, so bring a layer for the evenings. Rain is close to zero, with 0.1 rain days and 1 mm. The sea is 19°C.
19°C / 15°C · 0 rain days · 10.3 h sun · sea 19°C
July shares the top score of 8.8 and is rated best. Lima has 0 rain days on average and just 1 mm of rain. It is cool, though: highs are 19°C and lows 14.5°C, and the sea is 18.6°C. Expect about 10.3 hours of sun a day.
19°C / 14°C · 0 rain days · 10.2 h sun · sea 18°C
August is Lima's coolest month, with highs of 18.6°C and lows of 14.1°C. Like July, it has 0 rain days on average. The sea is 18.3°C, which feels fresh for swimming. August scores 8.6 and is rated best, so it works well if you prefer dry, mild weather to heat.
19°C / 14°C · 0 rain days · 10.7 h sun · sea 18°C
September stays dry in Lima, with 0.3 rain days and 2 mm of rain. Highs are 19°C and lows 14.4°C. The sea cools to 17.8°C, and sunshine rises to 10.7 hours a day. It scores 8.1 and is rated best.
20°C / 15°C · 1 rain days · 10.9 h sun · sea 18°C
October brings highs of 19.6°C and lows of 15.1°C in Lima. Rain stays very low, at 0.6 rain days and 3 mm. The sea is at its coolest, 17.6°C, so swimming is chilly. October scores 7.8 and is rated best.
21°C / 16°C · 0 rain days · 11.1 h sun · sea 18°C
November warms up in Lima, with highs of 20.8°C and lows of 16.2°C. It is almost dry, with 0.2 rain days and 2 mm of rain, plus 11.1 hours of sun a day. The sea is 18°C. November scores 7.8 and is rated best, the last month of the top period.
23°C / 18°C · 2 rain days · 10.8 h sun · sea 19°C
December highs in Lima reach 22.5°C, with lows of 18.1°C. Rain returns a little: 2 rain days and 9 mm in total. The sea is 18.5°C, and there are 10.8 hours of sun a day. December scores 7.4 and is rated good.
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 suit city trips best, with July, June and August ranked highest. In Lima these months are dry, with 0 to 0.1 rain days and about 1 mm of rain. Highs sit at a mild 19–21°C.
Beach
February, March and April are best for the beach. Lima's sea reaches 21.3–21.6°C, highs reach 23.5–25.4°C and you get about 11 hours of sun. March is the wettest, with 5.8 rain days and 21 mm.
Hiking & nature
June, July, August and May rank best for hiking. Based on Lima data, these months are almost completely dry, with 0 to 0.1 rain days. The air is cool for walking, with highs of 19–21°C and lows of 14–17°C.
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
Based on Lima's weather, June and July score highest, both at 8.8 out of 10. August (8.6) and May (8.1) are also among the best months. In June and July, days reach about 19–20°C and nights drop to about 15°C. Rain is almost absent, with 0–0.1 rain days and about 1 mm per month. Note that this data covers Lima only, not the mountains or the rainforest.
Yes. July is one of the best months, with a score of 8.8 out of 10. The average high is 19°C and the low is 14.5°C. There are 0 rain days and only about 1 mm of rain. It is one of the cooler months, and the sea is about 18.6°C. Bring a light jacket for the evenings.
Yes, February is rated good, with a score of 6.7 out of 10. It is the warmest month, with highs of 25.4°C and lows of 21°C. The sea reaches 21.6°C, its warmest of the year. It is a little wetter than winter, with 4.2 rain days and 16 mm of rain. Even so, rain stays light, so February suits travellers who want warm, beach-style weather.
March is the wettest month in Lima, with 5.8 rain days and 21 mm of rain. That is still very little rain overall. Highs are about 25°C and lows about 21°C. March has the lowest score of the year at 6.4 out of 10, but it is still rated good. The sea stays warm at about 21.4°C.
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