Climate guideThirty-year normals for Lima
Lima climate by month
Hot desert · BWhBest May · Aug–Sep
Annual mean19°day and night
Seasonal swing6°warmest vs coolest
Precipitation39 mm3 wet days a year
12.04° S, 77.03° WElevation 152 mUTC−5 · Peru Standard Time
When to goLima · weather score
Best timeMay · Aug–Sep
October: high / low20° / 16°
iSummary
What the weather is like
Lima has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is February, when afternoons average 25° and nights 21°. July is the coolest month, with highs of 19° and lows of 15°. The difference between the warmest and the coolest month is about 6°, a small seasonal swing typical of places tempered by the sea.
About 39 mm of precipitation falls in an average year. March is the wettest month (5 mm, 1 wet days) and April the driest (3 mm, 0 wet days). Cloud cover ranges from 33% in May to 64% in February.
The sea reaches about 22° in February. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Year in figures
- Hottest afternoons
- 25° · February
- Coldest nights
- 15° · August
- Wettest month
- March
- Driest month
- April
- Clearest skies
- May · 33% cloud
- Warmest sea
- 22° · February
- Longest day
- 12 h 50 min
- Shortest day
- 11 h 25 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 24° | 25° | 25° | 23° | 21° | 19° | 19° | 19° | 19° | 20° | 21° | 23° |
| Average low | 20° | 21° | 21° | 19° | 17° | 16° | 15° | 15° | 15° | 16° | 17° | 18° |
| Precipitation | 4 mm | 5 mm | 5 mm | 3 mm | 2 mm | 2 mm | 3 mm | 4 mm | 3 mm | 2 mm | 3 mm | 3 mm |
| Wet days (≥1 mm) | 0.4 | 0.8 | 1.1 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0 | 0.1 | 0.1 | 0.4 |
| Cloud cover | 63% | 64% | 63% | 47% | 33% | 36% | 36% | 34% | 36% | 44% | 51% | 57% |
| Sea temperature | 21° | 22° | 21° | 20° | 19° | 18° | 18° | 17° | 17° | 17° | 18° | 19° |
| Daylight | 12h 45 | 12h 29 | 12h 10 | 11h 50 | 11h 34 | 11h 25 | 11h 29 | 11h 43 | 12h 02 | 12h 22 | 12h 40 | 12h 50 |
| Month score | 85 | 84 | 84 | 93 | 99 | 97 | 97 | 98 | 98 | 94 | 91 | 88 |
ivMonth by month
Lima in every month
January85
24° / 20°
4 mm · 0.4 wet days
February84
25° / 21°
5 mm · 0.8 wet day
March84
25° / 21°
5 mm · 1.1 wet day
April93
23° / 19°
3 mm · 0 wet days
May99
21° / 17°
2 mm · 0.1 wet days
June97
19° / 16°
2 mm · 0.1 wet days
July97
19° / 15°
3 mm · 0.1 wet days
August98
19° / 15°
4 mm · 0.1 wet days
September98
19° / 15°
3 mm · 0 wet days
October94
20° / 16°
2 mm · 0.1 wet days
November91
21° / 17°
3 mm · 0.1 wet days
December88
23° / 18°
3 mm · 0.4 wet days